Commonalization, part 3. (#155)

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Bitmap.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Bitmap.kt

@@ -2,16 +2,13 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.RuntimeException
-import java.lang.ref.Reference
-import java.nio.ByteBuffer
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR), IHasImageInfo {
     companion object {
         fun makeFromImage(image: Image): Bitmap {
-            assert(image != null) { "Can’t makeFromImage with image == null" }
             val bitmap = Bitmap()
             bitmap.allocPixels(image.imageInfo)
             return if (image.readPixels(bitmap)) bitmap else {
@@ -139,7 +136,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             Bitmap(_nMakeClone(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -152,10 +149,10 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
      */
     fun swap(other: Bitmap) {
         Stats.onNativeCall()
-        _nSwap(_ptr, Native.Companion.getPtr(other))
+        _nSwap(_ptr, getPtr(other))
         _imageInfo = null
-        Reference.reachabilityFence(this)
-        Reference.reachabilityFence(other)
+        reachabilityBarrier(this)
+        reachabilityBarrier(other)
     }
 
     override val imageInfo: ImageInfo
@@ -166,7 +163,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             }
             _imageInfo!!
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -180,7 +177,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nGetRowBytesAsPixels(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -196,7 +193,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nIsNull(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -223,7 +220,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nGetRowBytes(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -269,7 +266,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             _imageInfo = null
             _nSetAlphaType(_ptr, alphaType.ordinal)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -286,7 +283,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nComputeByteSize(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -306,7 +303,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nIsImmutable(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -373,7 +370,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nComputeIsOpaque(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -383,7 +380,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
      * @see [https://fiddle.skia.org/c/@Bitmap_getBounds_2](https://fiddle.skia.org/c/@Bitmap_getBounds_2)
      */
     val bounds: IRect
-        get() = IRect.Companion.makeXYWH(0, 0, width, height)
+        get() = IRect.makeXYWH(0, 0, width, height)
 
     /**
      * Returns the bounds of this bitmap, offset by its PixelRef origin.
@@ -391,7 +388,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
     val subset: IRect
         get() {
             val origin = pixelRefOrigin
-            return IRect.Companion.makeXYWH(origin.x, origin.y, width, height)
+            return IRect.makeXYWH(origin.x, origin.y, width, height)
         }
 
     /**
@@ -473,12 +470,12 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 imageInfo.height,
                 imageInfo.colorInfo.colorType.ordinal,
                 imageInfo.colorInfo.alphaType.ordinal,
-                Native.getPtr(imageInfo.colorInfo.colorSpace),
+                getPtr(imageInfo.colorInfo.colorSpace),
                 rowBytes
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(imageInfo.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(imageInfo.colorInfo.colorSpace)
         }
     }
 
@@ -515,8 +512,8 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 if (zeroPixels) 1 else 0
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(imageInfo.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(imageInfo.colorInfo.colorSpace)
         }
     }
 
@@ -550,12 +547,12 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 info.height,
                 info.colorInfo.colorType.ordinal,
                 info.colorInfo.alphaType.ordinal,
-                Native.Companion.getPtr(info.colorInfo.colorSpace),
+                getPtr(info.colorInfo.colorSpace),
                 rowBytes
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(info.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(info.colorInfo.colorSpace)
         }
     }
 
@@ -615,10 +612,9 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
      * @param height  pixel row count; must be zero or greater
      * @return        true if pixel storage is allocated
      */
-    @JvmOverloads
     fun allocN32Pixels(width: Int, height: Int, opaque: Boolean = false): Boolean {
         return allocPixels(
-            ImageInfo.Companion.makeN32(
+            ImageInfo.makeN32(
                 width,
                 height,
                 if (opaque) ColorAlphaType.OPAQUE else ColorAlphaType.PREMUL
@@ -658,13 +654,13 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 info.height,
                 info.colorInfo.colorType.ordinal,
                 info.colorInfo.alphaType.ordinal,
-                Native.getPtr(info.colorInfo.colorSpace),
+                getPtr(info.colorInfo.colorSpace),
                 pixels,
                 rowBytes
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(info.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(info.colorInfo.colorSpace)
         }
     }
 
@@ -684,7 +680,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nAllocPixels(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -702,7 +698,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             val res = _nGetPixelRef(_ptr)
             if (res == 0L) null else PixelRef(res)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -728,7 +724,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             val res = _nGetPixelRefOrigin(_ptr)
             IPoint((res and -0x1).toInt(), (res ushr 32).toInt())
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -756,13 +752,13 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nSetPixelRef(
                 _ptr,
-                Native.Companion.getPtr(pixelRef),
+                getPtr(pixelRef),
                 dx,
                 dy
             )
             this
         } finally {
-            Reference.reachabilityFence(pixelRef)
+            reachabilityBarrier(pixelRef)
         }
     }
 
@@ -776,7 +772,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nIsReadyToDraw(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -797,7 +793,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nGetGenerationId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -813,7 +809,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             _nNotifyPixelsChanged(_ptr)
             this
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -833,7 +829,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             _nEraseColor(_ptr, color)
             this
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -856,7 +852,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             _nErase(_ptr, color, area.left, area.top, area.right, area.bottom)
             this
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -884,7 +880,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nGetColor(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -903,7 +899,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nGetAlphaf(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -939,15 +935,15 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nExtractSubset(
                 _ptr,
-                Native.Companion.getPtr(dst),
+                getPtr(dst),
                 subset.left,
                 subset.top,
                 subset.right,
                 subset.bottom
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dst)
         }
     }
 
@@ -985,7 +981,6 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
      * @param srcY         row index whose absolute value is less than height()
      * @return             pixel data or null
      */
-    @JvmOverloads
     fun readPixels(
         dstInfo: ImageInfo = imageInfo,
         dstRowBytes: Long = rowBytes,
@@ -1000,14 +995,14 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 dstInfo.height,
                 dstInfo.colorInfo.colorType.ordinal,
                 dstInfo.colorInfo.alphaType.ordinal,
-                Native.getPtr(dstInfo.colorInfo.colorSpace),
+                getPtr(dstInfo.colorInfo.colorSpace),
                 dstRowBytes,
                 srcX,
                 srcY
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dstInfo.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dstInfo.colorInfo.colorSpace)
         }
     }
 
@@ -1042,13 +1037,13 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nExtractAlpha(
                 _ptr,
-                Native.Companion.getPtr(dst),
-                Native.Companion.getPtr(paint)
+                getPtr(dst),
+                getPtr(paint)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dst)
-            Reference.reachabilityFence(paint)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dst)
+            reachabilityBarrier(paint)
         }
     }
 
@@ -1065,12 +1060,12 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             Stats.onNativeCall()
             _nPeekPixels(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     fun makeShader(localMatrix: Matrix33?): Shader {
-        return makeShader(FilterTileMode.CLAMP, FilterTileMode.CLAMP, SamplingMode.Companion.DEFAULT, localMatrix)
+        return makeShader(FilterTileMode.CLAMP, FilterTileMode.CLAMP, SamplingMode.DEFAULT, localMatrix)
     }
 
     fun makeShader(
@@ -1078,10 +1073,9 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         tmy: FilterTileMode,
         localMatrix: Matrix33?
     ): Shader {
-        return makeShader(tmx, tmy, SamplingMode.Companion.DEFAULT, localMatrix)
+        return makeShader(tmx, tmy, SamplingMode.DEFAULT, localMatrix)
     }
 
-    @JvmOverloads
     fun makeShader(
         tmx: FilterTileMode = FilterTileMode.CLAMP,
         tmy: FilterTileMode = FilterTileMode.CLAMP,
@@ -1089,9 +1083,9 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         localMatrix: Matrix33? = null
     ): Shader {
         return try {
-            assert(tmx != null) { "Can’t Bitmap.makeShader with tmx == null" }
-            assert(tmy != null) { "Can’t Bitmap.makeShader with tmy == null" }
-            assert(sampling != null) { "Can’t Bitmap.makeShader with sampling == null" }
+            require(tmx != null) { "Can’t Bitmap.makeShader with tmx == null" }
+            require(tmy != null) { "Can’t Bitmap.makeShader with tmy == null" }
+            require(sampling != null) { "Can’t Bitmap.makeShader with sampling == null" }
             Stats.onNativeCall()
             Shader(
                 _nMakeShader(
@@ -1103,7 +1097,7 @@ class Bitmap internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 )
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Canvas.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Canvas.kt

 package org.jetbrains.skia
 
-import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.ImageFilter.Companion.makeDropShadowOnly
+import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import org.jetbrains.skia.impl.use
+import kotlin.jvm.JvmStatic
 
 open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val _owner: Any) :
     Managed(ptr, _FinalizerHolder.PTR, managed) {
     companion object {
-        @JvmStatic external fun _nGetFinalizer(): Long
-        @JvmStatic external fun _nMakeFromBitmap(bitmapPtr: Long, flags: Int, pixelGeometry: Int): Long
-        @JvmStatic external fun _nDrawPoint(ptr: Long, x: Float, y: Float, paintPtr: Long)
-        @JvmStatic external fun _nDrawPoints(ptr: Long, mode: Int, coords: FloatArray?, paintPtr: Long)
-        @JvmStatic external fun _nDrawLine(ptr: Long, x0: Float, y0: Float, x1: Float, y1: Float, paintPtr: Long)
-        @JvmStatic external fun _nDrawArc(
+        @JvmStatic
+        external fun _nGetFinalizer(): Long
+        @JvmStatic
+        external fun _nMakeFromBitmap(bitmapPtr: Long, flags: Int, pixelGeometry: Int): Long
+        @JvmStatic
+        external fun _nDrawPoint(ptr: Long, x: Float, y: Float, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawPoints(ptr: Long, mode: Int, coords: FloatArray?, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawLine(ptr: Long, x0: Float, y0: Float, x1: Float, y1: Float, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawArc(
             ptr: Long,
             left: Float,
             top: Float,
@@ -27,9 +34,12 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawRect(ptr: Long, left: Float, top: Float, right: Float, bottom: Float, paintPtr: Long)
-        @JvmStatic external fun _nDrawOval(ptr: Long, left: Float, top: Float, right: Float, bottom: Float, paint: Long)
-        @JvmStatic external fun _nDrawRRect(
+        @JvmStatic
+        external fun _nDrawRect(ptr: Long, left: Float, top: Float, right: Float, bottom: Float, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawOval(ptr: Long, left: Float, top: Float, right: Float, bottom: Float, paint: Long)
+        @JvmStatic
+        external fun _nDrawRRect(
             ptr: Long,
             left: Float,
             top: Float,
@@ -39,7 +49,8 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawDRRect(
+        @JvmStatic
+        external fun _nDrawDRRect(
             ptr: Long,
             ol: Float,
             ot: Float,
@@ -54,8 +65,10 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawPath(ptr: Long, nativePath: Long, paintPtr: Long)
-        @JvmStatic external fun _nDrawImageRect(
+        @JvmStatic
+        external fun _nDrawPath(ptr: Long, nativePath: Long, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawImageRect(
             ptr: Long,
             nativeImage: Long,
             sl: Float,
@@ -71,7 +84,8 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             strict: Boolean
         )
 
-        @JvmStatic external fun _nDrawImageNine(
+        @JvmStatic
+        external fun _nDrawImageNine(
             ptr: Long,
             nativeImage: Long,
             cl: Int,
@@ -86,11 +100,16 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawRegion(ptr: Long, nativeRegion: Long, paintPtr: Long)
-        @JvmStatic external fun _nDrawString(ptr: Long, string: String?, x: Float, y: Float, font: Long, paint: Long)
-        @JvmStatic external fun _nDrawTextBlob(ptr: Long, blob: Long, x: Float, y: Float, paint: Long)
-        @JvmStatic external fun _nDrawPicture(ptr: Long, picturePtr: Long, matrix: FloatArray?, paintPtr: Long)
-        @JvmStatic external fun _nDrawVertices(
+        @JvmStatic
+        external fun _nDrawRegion(ptr: Long, nativeRegion: Long, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawString(ptr: Long, string: String?, x: Float, y: Float, font: Long, paint: Long)
+        @JvmStatic
+        external fun _nDrawTextBlob(ptr: Long, blob: Long, x: Float, y: Float, paint: Long)
+        @JvmStatic
+        external fun _nDrawPicture(ptr: Long, picturePtr: Long, matrix: FloatArray?, paintPtr: Long)
+        @JvmStatic
+        external fun _nDrawVertices(
             ptr: Long,
             verticesMode: Int,
             cubics: FloatArray?,
@@ -101,7 +120,8 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawPatch(
+        @JvmStatic
+        external fun _nDrawPatch(
             ptr: Long,
             cubics: FloatArray?,
             colors: IntArray?,
@@ -110,13 +130,20 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         )
 
-        @JvmStatic external fun _nDrawDrawable(ptr: Long, drawablePrt: Long, matrix: FloatArray?)
-        @JvmStatic external fun _nClear(ptr: Long, color: Int)
-        @JvmStatic external fun _nDrawPaint(ptr: Long, paintPtr: Long)
-        @JvmStatic external fun _nSetMatrix(ptr: Long, matrix: FloatArray?)
-        @JvmStatic external fun _nGetLocalToDevice(ptr: Long): FloatArray
-        @JvmStatic external fun _nResetMatrix(ptr: Long)
-        @JvmStatic external fun _nClipRect(
+        @JvmStatic
+        external fun _nDrawDrawable(ptr: Long, drawablePrt: Long, matrix: FloatArray?)
+        @JvmStatic
+        external fun _nClear(ptr: Long, color: Int)
+        @JvmStatic
+        external fun _nDrawPaint(ptr: Long, paintPtr: Long)
+        @JvmStatic
+        external fun _nSetMatrix(ptr: Long, matrix: FloatArray?)
+        @JvmStatic
+        external fun _nGetLocalToDevice(ptr: Long): FloatArray
+        @JvmStatic
+        external fun _nResetMatrix(ptr: Long)
+        @JvmStatic
+        external fun _nClipRect(
             ptr: Long,
             left: Float,
             top: Float,
@@ -126,7 +153,8 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             antiAlias: Boolean
         )
 
-        @JvmStatic external fun _nClipRRect(
+        @JvmStatic
+        external fun _nClipRRect(
             ptr: Long,
             left: Float,
             top: Float,
@@ -137,15 +165,24 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             antiAlias: Boolean
         )
 
-        @JvmStatic external fun _nClipPath(ptr: Long, nativePath: Long, mode: Int, antiAlias: Boolean)
-        @JvmStatic external fun _nClipRegion(ptr: Long, nativeRegion: Long, mode: Int)
-        @JvmStatic external fun _nConcat(ptr: Long, matrix: FloatArray?)
-        @JvmStatic external fun _nConcat44(ptr: Long, matrix: FloatArray?)
-        @JvmStatic external fun _nReadPixels(ptr: Long, bitmapPtr: Long, srcX: Int, srcY: Int): Boolean
-        @JvmStatic external fun _nWritePixels(ptr: Long, bitmapPtr: Long, x: Int, y: Int): Boolean
-        @JvmStatic external fun _nSave(ptr: Long): Int
-        @JvmStatic external fun _nSaveLayer(ptr: Long, paintPtr: Long): Int
-        @JvmStatic external fun _nSaveLayerRect(
+        @JvmStatic
+        external fun _nClipPath(ptr: Long, nativePath: Long, mode: Int, antiAlias: Boolean)
+        @JvmStatic
+        external fun _nClipRegion(ptr: Long, nativeRegion: Long, mode: Int)
+        @JvmStatic
+        external fun _nConcat(ptr: Long, matrix: FloatArray?)
+        @JvmStatic
+        external fun _nConcat44(ptr: Long, matrix: FloatArray?)
+        @JvmStatic
+        external fun _nReadPixels(ptr: Long, bitmapPtr: Long, srcX: Int, srcY: Int): Boolean
+        @JvmStatic
+        external fun _nWritePixels(ptr: Long, bitmapPtr: Long, x: Int, y: Int): Boolean
+        @JvmStatic
+        external fun _nSave(ptr: Long): Int
+        @JvmStatic
+        external fun _nSaveLayer(ptr: Long, paintPtr: Long): Int
+        @JvmStatic
+        external fun _nSaveLayerRect(
             ptr: Long,
             left: Float,
             top: Float,
@@ -154,9 +191,12 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             paintPtr: Long
         ): Int
 
-        @JvmStatic external fun _nGetSaveCount(ptr: Long): Int
-        @JvmStatic external fun _nRestore(ptr: Long)
-        @JvmStatic external fun _nRestoreToCount(ptr: Long, saveCount: Int)
+        @JvmStatic
+        external fun _nGetSaveCount(ptr: Long): Int
+        @JvmStatic
+        external fun _nRestore(ptr: Long)
+        @JvmStatic
+        external fun _nRestoreToCount(ptr: Long, saveCount: Int)
 
         init {
             staticLoad()
@@ -195,7 +235,6 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      *
      * @see [https://fiddle.skia.org/c/@Canvas_copy_const_SkBitmap](https://fiddle.skia.org/c/@Canvas_copy_const_SkBitmap)
      */
-    @JvmOverloads
     constructor(bitmap: Bitmap, surfaceProps: SurfaceProps = SurfaceProps()) : this(
         _nMakeFromBitmap(
             bitmap._ptr,
@@ -204,14 +243,13 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         ), true, bitmap
     ) {
         Stats.onNativeCall()
-        Reference.reachabilityFence(bitmap)
+        reachabilityBarrier(bitmap)
     }
 
     fun drawPoint(x: Float, y: Float, paint: Paint): Canvas {
-        assert(paint != null) { "Can’t drawPoint with paint == null" }
         Stats.onNativeCall()
-        _nDrawPoint(_ptr, x, y, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawPoint(_ptr, x, y, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -241,7 +279,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawPoints(coords: Array<Point>, paint: Paint): Canvas {
-        return drawPoints(Point.Companion.flattenArray(coords)!!, paint)
+        return drawPoints(Point.flattenArray(coords)!!, paint)
     }
 
     /**
@@ -270,11 +308,9 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawPoints(coords: FloatArray, paint: Paint): Canvas {
-        assert(coords != null) { "Can’t drawPoints with coords == null" }
-        assert(paint != null) { "Can’t drawPoints with paint == null" }
         Stats.onNativeCall()
-        _nDrawPoints(_ptr, 0 /* SkCanvas::PointMode::kPoints_PointMode */, coords, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawPoints(_ptr, 0 /* SkCanvas::PointMode::kPoints_PointMode */, coords, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -302,7 +338,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawLines(coords: Array<Point>, paint: Paint): Canvas {
-        return drawLines(Point.Companion.flattenArray(coords)!!, paint)
+        return drawLines(Point.flattenArray(coords)!!, paint)
     }
 
     /**
@@ -329,11 +365,9 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawLines(coords: FloatArray, paint: Paint): Canvas {
-        assert(coords != null) { "Can’t drawLines with coords == null" }
-        assert(paint != null) { "Can’t drawLines with paint == null" }
         Stats.onNativeCall()
-        _nDrawPoints(_ptr, 1 /* SkCanvas::PointMode::kLines_PointMode */, coords, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawPoints(_ptr, 1 /* SkCanvas::PointMode::kLines_PointMode */, coords, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -360,7 +394,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawPolygon(coords: Array<Point>, paint: Paint): Canvas {
-        return drawPolygon(Point.Companion.flattenArray(coords)!!, paint)
+        return drawPolygon(Point.flattenArray(coords)!!, paint)
     }
 
     /**
@@ -386,19 +420,19 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawPoints](https://fiddle.skia.org/c/@Canvas_drawPoints)
      */
     fun drawPolygon(coords: FloatArray, paint: Paint): Canvas {
-        assert(coords != null) { "Can’t drawPolygon with coords == null" }
-        assert(paint != null) { "Can’t drawPolygon with paint == null" }
+        require(coords != null) { "Can’t drawPolygon with coords == null" }
+        require(paint != null) { "Can’t drawPolygon with paint == null" }
         Stats.onNativeCall()
-        _nDrawPoints(_ptr, 2 /* SkCanvas::PointMode::kPolygon_PointMode */, coords, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawPoints(_ptr, 2 /* SkCanvas::PointMode::kPolygon_PointMode */, coords, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawLine(x0: Float, y0: Float, x1: Float, y1: Float, paint: Paint): Canvas {
-        assert(paint != null) { "Can’t drawLine with paint == null" }
+        require(paint != null) { "Can’t drawLine with paint == null" }
         Stats.onNativeCall()
-        _nDrawLine(_ptr, x0, y0, x1, y1, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawLine(_ptr, x0, y0, x1, y1, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -412,52 +446,52 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         includeCenter: Boolean,
         paint: Paint
     ): Canvas {
-        assert(paint != null) { "Can’t drawArc with paint == null" }
+        require(paint != null) { "Can’t drawArc with paint == null" }
         Stats.onNativeCall()
-        _nDrawArc(_ptr, left, top, right, bottom, startAngle, sweepAngle, includeCenter, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawArc(_ptr, left, top, right, bottom, startAngle, sweepAngle, includeCenter, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawRect(r: Rect, paint: Paint): Canvas {
-        assert(r != null) { "Can’t drawRect with r == null" }
-        assert(paint != null) { "Can’t drawRect with paint == null" }
+        require(r != null) { "Can’t drawRect with r == null" }
+        require(paint != null) { "Can’t drawRect with paint == null" }
         Stats.onNativeCall()
-        _nDrawRect(_ptr, r.left, r.top, r.right, r.bottom, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawRect(_ptr, r.left, r.top, r.right, r.bottom, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawOval(r: Rect, paint: Paint): Canvas {
-        assert(r != null) { "Can’t drawOval with r == null" }
-        assert(paint != null) { "Can’t drawOval with paint == null" }
+        require(r != null) { "Can’t drawOval with r == null" }
+        require(paint != null) { "Can’t drawOval with paint == null" }
         Stats.onNativeCall()
-        _nDrawOval(_ptr, r.left, r.top, r.right, r.bottom, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawOval(_ptr, r.left, r.top, r.right, r.bottom, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawCircle(x: Float, y: Float, radius: Float, paint: Paint): Canvas {
-        assert(paint != null) { "Can’t drawCircle with paint == null" }
+        require(paint != null) { "Can’t drawCircle with paint == null" }
         Stats.onNativeCall()
-        _nDrawOval(_ptr, x - radius, y - radius, x + radius, y + radius, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawOval(_ptr, x - radius, y - radius, x + radius, y + radius, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawRRect(r: RRect, paint: Paint): Canvas {
-        assert(r != null) { "Can’t drawRRect with r == null" }
-        assert(paint != null) { "Can’t drawRRect with paint == null" }
+        require(r != null) { "Can’t drawRRect with r == null" }
+        require(paint != null) { "Can’t drawRRect with paint == null" }
         Stats.onNativeCall()
-        _nDrawRRect(_ptr, r.left, r.top, r.right, r.bottom, r.radii, Native.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawRRect(_ptr, r.left, r.top, r.right, r.bottom, r.radii, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawDRRect(outer: RRect, inner: RRect, paint: Paint): Canvas {
-        assert(outer != null) { "Can’t drawDRRect with outer == null" }
-        assert(inner != null) { "Can’t drawDRRect with inner == null" }
-        assert(paint != null) { "Can’t drawDRRect with paint == null" }
+        require(outer != null) { "Can’t drawDRRect with outer == null" }
+        require(inner != null) { "Can’t drawDRRect with inner == null" }
+        require(paint != null) { "Can’t drawDRRect with paint == null" }
         Stats.onNativeCall()
         _nDrawDRRect(
             _ptr,
@@ -471,9 +505,9 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             inner.right,
             inner.bottom,
             inner.radii,
-            Native.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -482,7 +516,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun drawRectShadow(r: Rect, dx: Float, dy: Float, blur: Float, spread: Float, color: Int): Canvas {
-        assert(r != null) { "Can’t drawRectShadow with r == null" }
+        require(r != null) { "Can’t drawRectShadow with r == null" }
         val insides = r.inflate(-1f)
         if (!insides.isEmpty) {
             save()
@@ -494,10 +528,10 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun drawRectShadowNoclip(r: Rect, dx: Float, dy: Float, blur: Float, spread: Float, color: Int): Canvas {
-        assert(r != null) { "Can’t drawRectShadow with r == null" }
+        require(r != null) { "Can’t drawRectShadow with r == null" }
         val outline = r.inflate(spread)
         makeDropShadowOnly(dx, dy, blur / 2f, blur / 2f, color).use { f ->
-            org.jetbrains.skia.Paint().use { p ->
+            Paint().use { p ->
                 p.setImageFilter(f)
                 if (outline is RRect) drawRRect(outline, p) else drawRect(outline, p)
             }
@@ -506,21 +540,19 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun drawPath(path: Path, paint: Paint): Canvas {
-        assert(path != null) { "Can’t drawPath with path == null" }
-        assert(paint != null) { "Can’t drawPath with paint == null" }
         Stats.onNativeCall()
-        _nDrawPath(_ptr, Native.Companion.getPtr(path), Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(path)
-        Reference.reachabilityFence(paint)
+        _nDrawPath(_ptr, getPtr(path), getPtr(paint))
+        reachabilityBarrier(path)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawImage(image: Image, left: Float, top: Float): Canvas {
         return drawImageRect(
             image,
-            Rect.Companion.makeWH(image.width.toFloat(), image.height.toFloat()),
-            Rect.Companion.makeXYWH(left, top, image.width.toFloat(), image.height.toFloat()),
-            SamplingMode.Companion.DEFAULT,
+            Rect.makeWH(image.width.toFloat(), image.height.toFloat()),
+            Rect.makeXYWH(left, top, image.width.toFloat(), image.height.toFloat()),
+            SamplingMode.DEFAULT,
             null,
             true
         )
@@ -531,7 +563,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             image,
             Rect.makeWH(image.width.toFloat(), image.height.toFloat()),
             Rect.makeXYWH(left, top, image.width.toFloat(), image.height.toFloat()),
-            SamplingMode.Companion.DEFAULT,
+            SamplingMode.DEFAULT,
             paint,
             true
         )
@@ -542,7 +574,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             image,
             Rect.makeWH(image.width.toFloat(), image.height.toFloat()),
             dst,
-            SamplingMode.Companion.DEFAULT,
+            SamplingMode.DEFAULT,
             null,
             true
         )
@@ -579,14 +611,14 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         paint: Paint?,
         strict: Boolean
     ): Canvas {
-        assert(image != null) { "Can’t drawImageRect with image == null" }
-        assert(src != null) { "Can’t drawImageRect with src == null" }
-        assert(dst != null) { "Can’t drawImageRect with dst == null" }
-        assert(samplingMode != null) { "Can’t drawImageRect with samplingMode == null" }
+        require(image != null) { "Can’t drawImageRect with image == null" }
+        require(src != null) { "Can’t drawImageRect with src == null" }
+        require(dst != null) { "Can’t drawImageRect with dst == null" }
+        require(samplingMode != null) { "Can’t drawImageRect with samplingMode == null" }
         Stats.onNativeCall()
         _nDrawImageRect(
             _ptr,
-            Native.Companion.getPtr(image),
+            getPtr(image),
             src.left,
             src.top,
             src.right,
@@ -596,23 +628,23 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             dst.right,
             dst.bottom,
             samplingMode._pack(),
-            Native.Companion.getPtr(paint),
+            getPtr(paint),
             strict
         )
-        Reference.reachabilityFence(image)
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(image)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawImageNine(image: Image, center: IRect, dst: Rect, filterMode: FilterMode, paint: Paint?): Canvas {
-        assert(image != null) { "Can’t drawImageNine with image == null" }
-        assert(center != null) { "Can’t drawImageNine with center == null" }
-        assert(dst != null) { "Can’t drawImageNine with dst == null" }
-        assert(filterMode != null) { "Can’t drawImageNine with filterMode == null" }
+        require(image != null) { "Can’t drawImageNine with image == null" }
+        require(center != null) { "Can’t drawImageNine with center == null" }
+        require(dst != null) { "Can’t drawImageNine with dst == null" }
+        require(filterMode != null) { "Can’t drawImageNine with filterMode == null" }
         Stats.onNativeCall()
         _nDrawImageNine(
             _ptr,
-            Native.getPtr(image),
+            getPtr(image),
             center.left,
             center.top,
             center.right,
@@ -622,47 +654,47 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             dst.right,
             dst.bottom,
             filterMode.ordinal,
-            Native.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(image)
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(image)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawRegion(r: Region, paint: Paint): Canvas {
-        assert(r != null) { "Can’t drawRegion with r == null" }
-        assert(paint != null) { "Can’t drawRegion with paint == null" }
+        require(r != null) { "Can’t drawRegion with r == null" }
+        require(paint != null) { "Can’t drawRegion with paint == null" }
         Stats.onNativeCall()
-        _nDrawRegion(_ptr, Native.Companion.getPtr(r), Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(r)
-        Reference.reachabilityFence(paint)
+        _nDrawRegion(_ptr, getPtr(r), getPtr(paint))
+        reachabilityBarrier(r)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawString(s: String, x: Float, y: Float, font: Font?, paint: Paint): Canvas {
-        assert(s != null) { "Can’t drawString with s == null" }
-        assert(paint != null) { "Can’t drawString with paint == null" }
+        require(s != null) { "Can’t drawString with s == null" }
+        require(paint != null) { "Can’t drawString with paint == null" }
         Stats.onNativeCall()
-        _nDrawString(_ptr, s, x, y, Native.Companion.getPtr(font), Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(font)
-        Reference.reachabilityFence(paint)
+        _nDrawString(_ptr, s, x, y, getPtr(font), getPtr(paint))
+        reachabilityBarrier(font)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawTextBlob(blob: TextBlob, x: Float, y: Float, paint: Paint): Canvas {
-        assert(blob != null) { "Can’t drawTextBlob with blob == null" }
-        assert(paint != null) { "Can’t drawTextBlob with paint == null" }
+        require(blob != null) { "Can’t drawTextBlob with blob == null" }
+        require(paint != null) { "Can’t drawTextBlob with paint == null" }
         Stats.onNativeCall()
-        _nDrawTextBlob(_ptr, Native.Companion.getPtr(blob), x, y, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(blob)
-        Reference.reachabilityFence(paint)
+        _nDrawTextBlob(_ptr, getPtr(blob), x, y, getPtr(paint))
+        reachabilityBarrier(blob)
+        reachabilityBarrier(paint)
         return this
     }
 
     fun drawTextLine(line: TextLine, x: Float, y: Float, paint: Paint): Canvas {
-        assert(line != null) { "Can’t drawTextLine with line == null" }
-        assert(paint != null) { "Can’t drawTextLine with paint == null" }
-        line.textBlob.use { blob -> blob?.let { drawTextBlob(it, x, y, paint) } }
+        require(line != null) { "Can’t drawTextLine with line == null" }
+        require(paint != null) { "Can’t drawTextLine with paint == null" }
+        line.textBlob?.use { blob -> drawTextBlob(blob, x, y, paint) }
         return this
     }
 
@@ -671,11 +703,10 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun drawPicture(picture: Picture, matrix: Matrix33?, paint: Paint?): Canvas {
-        assert(picture != null) { "Can’t drawPicture with picture == null" }
         Stats.onNativeCall()
-        _nDrawPicture(_ptr, Native.Companion.getPtr(picture), matrix?.mat, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(picture)
-        Reference.reachabilityFence(paint)
+        _nDrawPicture(_ptr, getPtr(picture), matrix?.mat, getPtr(paint))
+        reachabilityBarrier(picture)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -765,23 +796,23 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         mode: BlendMode,
         paint: Paint
     ): Canvas {
-        assert(positions != null) { "Can’t drawTriangles with positions == null" }
-        assert(positions.size % 3 == 0) { "Expected positions.length % 3 == 0, got: " + positions.size }
-        assert(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
-        assert(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
-        assert(paint != null) { "Can’t drawTriangles with paint == null" }
+        require(positions != null) { "Can’t drawTriangles with positions == null" }
+        require(positions.size % 3 == 0) { "Expected positions.length % 3 == 0, got: " + positions.size }
+        require(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
+        require(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
+        require(paint != null) { "Can’t drawTriangles with paint == null" }
         Stats.onNativeCall()
         _nDrawVertices(
             _ptr,
             0 /* kTriangles_VertexMode */,
-            Point.Companion.flattenArray(positions),
+            Point.flattenArray(positions),
             colors,
-            Point.Companion.flattenArray(texCoords),
+            Point.flattenArray(texCoords),
             indices,
             mode.ordinal,
-            Native.Companion.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -871,23 +902,23 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         mode: BlendMode,
         paint: Paint
     ): Canvas {
-        assert(positions != null) { "Can’t drawTriangleStrip with positions == null" }
-        assert(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
-        assert(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
-        assert(mode != null) { "Can’t drawTriangles with mode == null" }
-        assert(paint != null) { "Can’t drawTriangles with paint == null" }
+        require(positions != null) { "Can’t drawTriangleStrip with positions == null" }
+        require(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
+        require(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
+        require(mode != null) { "Can’t drawTriangles with mode == null" }
+        require(paint != null) { "Can’t drawTriangles with paint == null" }
         Stats.onNativeCall()
         _nDrawVertices(
             _ptr,
             1 /* kTriangleStrip_VertexMode */,
-            Point.Companion.flattenArray(positions),
+            Point.flattenArray(positions),
             colors,
-            Point.Companion.flattenArray(texCoords),
+            Point.flattenArray(texCoords),
             indices,
             mode.ordinal,
-            Native.Companion.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -977,23 +1008,20 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         mode: BlendMode,
         paint: Paint
     ): Canvas {
-        assert(positions != null) { "Can’t drawTriangleFan with positions == null" }
-        assert(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
-        assert(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
-        assert(mode != null) { "Can’t drawTriangleFan with mode == null" }
-        assert(paint != null) { "Can’t drawTriangleFan with paint == null" }
+        require(colors == null || colors.size == positions.size) { "Expected colors.length == positions.length, got: " + colors!!.size + " != " + positions.size }
+        require(texCoords == null || texCoords.size == positions.size) { "Expected texCoords.length == positions.length, got: " + texCoords!!.size + " != " + positions.size }
         Stats.onNativeCall()
         _nDrawVertices(
             _ptr,
             2 /* kTriangleFan_VertexMode */,
-            Point.Companion.flattenArray(positions),
+            Point.flattenArray(positions),
             colors,
-            Point.Companion.flattenArray(texCoords),
+            Point.flattenArray(texCoords),
             indices,
             mode.ordinal,
-            Native.Companion.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -1107,23 +1135,23 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
         mode: BlendMode,
         paint: Paint
     ): Canvas {
-        assert(cubics != null) { "Can’t drawPatch with cubics == null" }
-        assert(cubics.size == 12) { "Expected cubics.length == 12, got: " + cubics.size }
-        assert(colors != null) { "Can’t drawPatch with colors == null" }
-        assert(colors.size == 4) { "Expected colors.length == 4, got: " + colors.size }
-        assert(texCoords == null || texCoords.size == 4) { "Expected texCoords.length == 4, got: " + texCoords!!.size }
-        assert(mode != null) { "Can’t drawPatch with mode == null" }
-        assert(paint != null) { "Can’t drawPatch with paint == null" }
+        require(cubics != null) { "Can’t drawPatch with cubics == null" }
+        require(cubics.size == 12) { "Expected cubics.length == 12, got: " + cubics.size }
+        require(colors != null) { "Can’t drawPatch with colors == null" }
+        require(colors.size == 4) { "Expected colors.length == 4, got: " + colors.size }
+        require(texCoords == null || texCoords.size == 4) { "Expected texCoords.length == 4, got: " + texCoords!!.size }
+        require(mode != null) { "Can’t drawPatch with mode == null" }
+        require(paint != null) { "Can’t drawPatch with paint == null" }
         Stats.onNativeCall()
         _nDrawPatch(
             _ptr,
-            Point.Companion.flattenArray(cubics),
+            Point.flattenArray(cubics),
             colors,
-            Point.Companion.flattenArray(texCoords),
+            Point.flattenArray(texCoords),
             mode.ordinal,
-            Native.Companion.getPtr(paint)
+            getPtr(paint)
         )
-        Reference.reachabilityFence(paint)
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -1162,7 +1190,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawDrawable_2](https://fiddle.skia.org/c/@Canvas_drawDrawable_2)
      */
     fun drawDrawable(drawable: Drawable, x: Float, y: Float): Canvas {
-        return drawDrawable(drawable, Matrix33.Companion.makeTranslate(x, y))
+        return drawDrawable(drawable, Matrix33.makeTranslate(x, y))
     }
 
     /**
@@ -1183,10 +1211,10 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_drawDrawable](https://fiddle.skia.org/c/@Canvas_drawDrawable)
      */
     fun drawDrawable(drawable: Drawable, matrix: Matrix33?): Canvas {
-        assert(drawable != null) { "Can’t drawDrawable with drawable == null" }
+        require(drawable != null) { "Can’t drawDrawable with drawable == null" }
         Stats.onNativeCall()
-        _nDrawDrawable(_ptr, Native.Companion.getPtr(drawable), matrix?.mat)
-        Reference.reachabilityFence(drawable)
+        _nDrawDrawable(_ptr, getPtr(drawable), matrix?.mat)
+        reachabilityBarrier(drawable)
         return this
     }
 
@@ -1197,10 +1225,10 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun drawPaint(paint: Paint): Canvas {
-        assert(paint != null) { "Can’t drawPaint with paint == null" }
+        require(paint != null) { "Can’t drawPaint with paint == null" }
         Stats.onNativeCall()
-        _nDrawPaint(_ptr, Native.Companion.getPtr(paint))
-        Reference.reachabilityFence(paint)
+        _nDrawPaint(_ptr, getPtr(paint))
+        reachabilityBarrier(paint)
         return this
     }
 
@@ -1213,7 +1241,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @see [https://fiddle.skia.org/c/@Canvas_setMatrix](https://fiddle.skia.org/c/@Canvas_setMatrix)
      */
     fun setMatrix(matrix: Matrix33): Canvas {
-        assert(matrix != null) { "Can’t setMatrix with matrix == null" }
+        require(matrix != null) { "Can’t setMatrix with matrix == null" }
         Stats.onNativeCall()
         _nSetMatrix(_ptr, matrix.mat)
         return this
@@ -1240,15 +1268,15 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             val mat = _nGetLocalToDevice(_ptr)
             Matrix44(*mat)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     val localToDeviceAsMatrix33: Matrix33
         get() = localToDevice.asMatrix33()
 
     fun clipRect(r: Rect, mode: ClipMode, antiAlias: Boolean): Canvas {
-        assert(r != null) { "Can’t clipRect with r == null" }
-        assert(mode != null) { "Can’t clipRect with mode == null" }
+        require(r != null) { "Can’t clipRect with r == null" }
+        require(mode != null) { "Can’t clipRect with mode == null" }
         Stats.onNativeCall()
         _nClipRect(_ptr, r.left, r.top, r.right, r.bottom, mode.ordinal, antiAlias)
         return this
@@ -1267,8 +1295,8 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun clipRRect(r: RRect, mode: ClipMode, antiAlias: Boolean): Canvas {
-        assert(r != null) { "Can’t clipRRect with r == null" }
-        assert(mode != null) { "Can’t clipRRect with mode == null" }
+        require(r != null) { "Can’t clipRRect with r == null" }
+        require(mode != null) { "Can’t clipRRect with mode == null" }
         Stats.onNativeCall()
         _nClipRRect(_ptr, r.left, r.top, r.right, r.bottom, r.radii, mode.ordinal, antiAlias)
         return this
@@ -1287,11 +1315,11 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun clipPath(p: Path, mode: ClipMode, antiAlias: Boolean): Canvas {
-        assert(p != null) { "Can’t clipPath with p == null" }
-        assert(mode != null) { "Can’t clipPath with mode == null" }
+        require(p != null) { "Can’t clipPath with p == null" }
+        require(mode != null) { "Can’t clipPath with mode == null" }
         Stats.onNativeCall()
-        _nClipPath(_ptr, Native.Companion.getPtr(p), mode.ordinal, antiAlias)
-        Reference.reachabilityFence(p)
+        _nClipPath(_ptr, getPtr(p), mode.ordinal, antiAlias)
+        reachabilityBarrier(p)
         return this
     }
 
@@ -1308,11 +1336,11 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun clipRegion(r: Region, mode: ClipMode): Canvas {
-        assert(r != null) { "Can’t clipRegion with r == null" }
-        assert(mode != null) { "Can’t clipRegion with mode == null" }
+        require(r != null) { "Can’t clipRegion with r == null" }
+        require(mode != null) { "Can’t clipRegion with mode == null" }
         Stats.onNativeCall()
-        _nClipRegion(_ptr, Native.Companion.getPtr(r), mode.ordinal)
-        Reference.reachabilityFence(r)
+        _nClipRegion(_ptr, getPtr(r), mode.ordinal)
+        reachabilityBarrier(r)
         return this
     }
 
@@ -1321,11 +1349,11 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
     }
 
     fun translate(dx: Float, dy: Float): Canvas {
-        return concat(Matrix33.Companion.makeTranslate(dx, dy))
+        return concat(Matrix33.makeTranslate(dx, dy))
     }
 
     fun scale(sx: Float, sy: Float): Canvas {
-        return concat(Matrix33.Companion.makeScale(sx, sy))
+        return concat(Matrix33.makeScale(sx, sy))
     }
 
     /**
@@ -1333,22 +1361,22 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      * @return     this
      */
     fun rotate(deg: Float): Canvas {
-        return concat(Matrix33.Companion.makeRotate(deg))
+        return concat(Matrix33.makeRotate(deg))
     }
 
     fun skew(sx: Float, sy: Float): Canvas {
-        return concat(Matrix33.Companion.makeSkew(sx, sy))
+        return concat(Matrix33.makeSkew(sx, sy))
     }
 
     fun concat(matrix: Matrix33): Canvas {
-        assert(matrix != null) { "Can’t concat with matrix == null" }
+        require(matrix != null) { "Can’t concat with matrix == null" }
         Stats.onNativeCall()
         _nConcat(_ptr, matrix.mat)
         return this
     }
 
     fun concat(matrix: Matrix44): Canvas {
-        assert(matrix != null) { "Can’t concat with matrix == null" }
+        require(matrix != null) { "Can’t concat with matrix == null" }
         Stats.onNativeCall()
         _nConcat44(_ptr, matrix.mat)
         return this
@@ -1401,17 +1429,17 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      */
     fun readPixels(bitmap: Bitmap, srcX: Int, srcY: Int): Boolean {
         return try {
-            assert(bitmap != null) { "Can’t readPixels with bitmap == null" }
+            require(bitmap != null) { "Can’t readPixels with bitmap == null" }
             Stats.onNativeCall()
             _nReadPixels(
                 _ptr,
-                Native.Companion.getPtr(bitmap),
+                getPtr(bitmap),
                 srcX,
                 srcY
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(bitmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(bitmap)
         }
     }
 
@@ -1467,17 +1495,17 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
      */
     fun writePixels(bitmap: Bitmap, x: Int, y: Int): Boolean {
         return try {
-            assert(bitmap != null) { "Can’t writePixels with bitmap == null" }
+            require(bitmap != null) { "Can’t writePixels with bitmap == null" }
             Stats.onNativeCall()
             _nWritePixels(
                 _ptr,
-                Native.Companion.getPtr(bitmap),
+                getPtr(bitmap),
                 x,
                 y
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(bitmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(bitmap)
         }
     }
 
@@ -1486,7 +1514,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             Stats.onNativeCall()
             _nSave(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -1499,11 +1527,11 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
                 top,
                 right,
                 bottom,
-                Native.Companion.getPtr(paint)
+                getPtr(paint)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(paint)
+            reachabilityBarrier(this)
+            reachabilityBarrier(paint)
         }
     }
 
@@ -1541,18 +1569,18 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             Stats.onNativeCall()
             if (bounds == null) _nSaveLayer(
                 _ptr,
-                Native.Companion.getPtr(paint)
+                getPtr(paint)
             ) else _nSaveLayerRect(
                 _ptr,
                 bounds.left,
                 bounds.top,
                 bounds.right,
                 bounds.bottom,
-                Native.getPtr(paint)
+                getPtr(paint)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(paint)
+            reachabilityBarrier(this)
+            reachabilityBarrier(paint)
         }
     }
 
@@ -1561,7 +1589,7 @@ open class Canvas internal constructor(ptr: Long, managed: Boolean, internal val
             Stats.onNativeCall()
             _nGetSaveCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     fun restore(): Canvas {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Data.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Data.kt

@@ -4,15 +4,13 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
-import java.nio.ByteBuffer
+import org.jetbrains.skia.impl.reachabilityBarrier
 
 /**
  * Data holds an immutable data buffer.
  */
 class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR) {
     companion object {
-        @JvmOverloads
         fun makeFromBytes(bytes: ByteArray, offset: Long = 0, length: Long = bytes.size.toLong()): Data {
             Stats.onNativeCall()
             return Data(_nMakeFromBytes(bytes, offset, length))
@@ -56,7 +54,7 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
             Stats.onNativeCall()
             _nSize(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val bytes: ByteArray
         get() = getBytes(0, size)
@@ -66,7 +64,7 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
             Stats.onNativeCall()
             _nBytes(_ptr, offset, length)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -77,10 +75,10 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
     override fun _nativeEquals(other: Native?): Boolean {
         return try {
             Stats.onNativeCall()
-            _nEquals(_ptr, Native.Companion.getPtr(other))
+            _nEquals(_ptr, getPtr(other))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(this)
+            reachabilityBarrier(other)
         }
     }
 
@@ -93,7 +91,7 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
             Stats.onNativeCall()
             Data(_nMakeSubset(_ptr, offset, length))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -102,7 +100,7 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
             Stats.onNativeCall()
             Data(_nMakeSubset(_ptr, 0, size))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -111,7 +109,7 @@ class Data internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
             Stats.onNativeCall()
             _nToByteBuffer(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Drawable.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Drawable.kt

@@ -2,9 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 /**
  *
@@ -45,7 +45,7 @@ abstract class Drawable : RefCnt(_nMake()) {
      * and the current matrix and clip settings will not be changed.
      */
     fun draw(canvas: Canvas?, x: Float, y: Float): Drawable {
-        return draw(canvas, Matrix33.Companion.makeTranslate(x, y))
+        return draw(canvas, Matrix33.makeTranslate(x, y))
     }
 
     /**
@@ -58,12 +58,12 @@ abstract class Drawable : RefCnt(_nMake()) {
             Stats.onNativeCall()
             _nDraw(
                 _ptr,
-                Native.Companion.getPtr(canvas),
+                getPtr(canvas),
                 matrix?.mat
             )
             this
         } finally {
-            Reference.reachabilityFence(canvas)
+            reachabilityBarrier(canvas)
         }
     }
 
@@ -72,7 +72,7 @@ abstract class Drawable : RefCnt(_nMake()) {
             Stats.onNativeCall()
             Picture(_nMakePictureSnapshot(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -90,7 +90,7 @@ abstract class Drawable : RefCnt(_nMake()) {
             Stats.onNativeCall()
             _nGetGenerationId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**

skiko/src/commonMain/kotlin/org/jetbrains/skia/Expects.kt

+package org.jetbrains.skia
+
+expect abstract class ByteBuffer
+
+expect fun <R> commonSynchronized(lock: Any, block: () -> R)
+
+expect fun String.intCodePoints(): IntArray
+
+expect fun defaultLanguageTag(): String
+
+expect class Pattern {
+    fun split(input: CharSequence): Array<String?>?
+    fun matcher(input: CharSequence): Matcher
+}
+
+expect class Matcher {
+    fun group(name: String): String?
+    fun matches(): Boolean
+}
+
+expect fun compilePattern(regex: String): Pattern
+
+interface BooleanSupplier {
+    /**
+     * Gets a result.
+     *
+     * @return a result
+     */
+    val asBoolean: Boolean
+}
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Font.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Font.kt

@@ -4,7 +4,8 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Font : Managed {
     companion object {
@@ -81,18 +82,18 @@ class Font : Managed {
      *
      * @param typeface  typeface and style used to draw and measure text. Pass null for default
      */
-    constructor(typeface: Typeface?) : this(_nMakeTypeface(Native.getPtr(typeface))) {
+    constructor(typeface: Typeface?) : this(_nMakeTypeface(getPtr(typeface))) {
         Stats.onNativeCall()
-        Reference.reachabilityFence(typeface)
+        reachabilityBarrier(typeface)
     }
 
     /**
      * @param typeface  typeface and style used to draw and measure text. Pass null for default
      * @param size      typographic size of the text
      */
-    constructor(typeface: Typeface?, size: Float) : this(_nMakeTypefaceSize(Native.Companion.getPtr(typeface), size)) {
+    constructor(typeface: Typeface?, size: Float) : this(_nMakeTypefaceSize(getPtr(typeface), size)) {
         Stats.onNativeCall()
-        Reference.reachabilityFence(typeface)
+        reachabilityBarrier(typeface)
     }
 
     /**
@@ -107,11 +108,11 @@ class Font : Managed {
      */
     constructor(typeface: Typeface?, size: Float, scaleX: Float, skewX: Float) : this(
         _nMakeTypefaceSizeScaleSkew(
-            Native.Companion.getPtr(typeface), size, scaleX, skewX
+            getPtr(typeface), size, scaleX, skewX
         )
     ) {
         Stats.onNativeCall()
-        Reference.reachabilityFence(typeface)
+        reachabilityBarrier(typeface)
     }
 
     /**
@@ -120,10 +121,10 @@ class Font : Managed {
      */
     override fun _nativeEquals(other: Native?): Boolean {
         return try {
-            _nEquals(_ptr, Native.Companion.getPtr(other))
+            _nEquals(_ptr, getPtr(other))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(this)
+            reachabilityBarrier(other)
         }
     }
 
@@ -138,7 +139,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nIsAutoHintingForced(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -149,7 +150,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nAreBitmapsEmbedded(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -161,7 +162,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nIsSubpixel(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -172,7 +173,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nAreMetricsLinear(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -187,7 +188,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nIsEmboldened(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -201,7 +202,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nIsBaselineSnapped(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -288,7 +289,7 @@ class Font : Managed {
             Stats.onNativeCall()
             FontEdging.values().get(_nGetEdging(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -309,7 +310,7 @@ class Font : Managed {
             Stats.onNativeCall()
             FontHinting.values().get(_nGetHinting(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -337,7 +338,7 @@ class Font : Managed {
             val ptr = _nGetTypeface(_ptr)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -348,7 +349,7 @@ class Font : Managed {
             Stats.onNativeCall()
             Typeface(_nGetTypefaceOrDefault(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -359,7 +360,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetSize(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -370,7 +371,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetScaleX(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -381,7 +382,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetSkewX(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -392,11 +393,11 @@ class Font : Managed {
             Stats.onNativeCall()
             _nSetTypeface(
                 _ptr,
-                Native.Companion.getPtr(typeface)
+                getPtr(typeface)
             )
             this
         } finally {
-            Reference.reachabilityFence(typeface)
+            reachabilityBarrier(typeface)
         }
     }
 
@@ -433,7 +434,7 @@ class Font : Managed {
      * @return  the corresponding glyph ids for each character.
      */
     fun getStringGlyphs(s: String): ShortArray {
-        return getUTF32Glyphs(s.codePoints().toArray())
+        return getUTF32Glyphs(s.intCodePoints())
     }
 
     /**
@@ -446,7 +447,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetUTF32Glyphs(_ptr, uni)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -458,7 +459,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetUTF32Glyph(_ptr, unichar)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -470,7 +471,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetStringGlyphsCount(_ptr, s)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
     /**
@@ -480,14 +481,13 @@ class Font : Managed {
     /**
      * @return  the bounding box of text
      */
-    @JvmOverloads
     fun measureText(s: String?, p: Paint? = null): Rect {
         return try {
             Stats.onNativeCall()
-            _nMeasureText(_ptr, s, Native.Companion.getPtr(p))
+            _nMeasureText(_ptr, s, getPtr(p))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(p)
+            reachabilityBarrier(this)
+            reachabilityBarrier(p)
         }
     }
 
@@ -502,11 +502,11 @@ class Font : Managed {
             _nMeasureTextWidth(
                 _ptr,
                 s,
-                Native.Companion.getPtr(p)
+                getPtr(p)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(p)
+            reachabilityBarrier(this)
+            reachabilityBarrier(p)
         }
     }
 
@@ -518,7 +518,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetWidths(_ptr, glyphs)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -538,11 +538,11 @@ class Font : Managed {
             _nGetBounds(
                 _ptr,
                 glyphs,
-                Native.Companion.getPtr(p)
+                getPtr(p)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(p)
+            reachabilityBarrier(this)
+            reachabilityBarrier(p)
         }
     }
 
@@ -554,7 +554,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetPositions(_ptr, glyphs, 0f, 0f)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -566,7 +566,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetPositions(_ptr, glyphs, offset.x, offset.y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -578,7 +578,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetXPositions(_ptr, glyphs, 0f)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -590,7 +590,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetXPositions(_ptr, glyphs, offset)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -602,9 +602,9 @@ class Font : Managed {
         return try {
             Stats.onNativeCall()
             val ptr = _nGetPath(_ptr, glyph)
-            if (ptr == 0L) null else org.jetbrains.skia.Path(ptr)
+            if (ptr == 0L) null else Path(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -616,7 +616,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetPaths(_ptr, glyphs)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -629,7 +629,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetMetrics(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -641,7 +641,7 @@ class Font : Managed {
             Stats.onNativeCall()
             _nGetSpacing(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     private object _FinalizerHolder {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontFamilyName.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontFamilyName.kt

@@ -8,10 +8,10 @@ class FontFamilyName(val name: String, val language: String) {
         if (!other.canEqual(this as Any)) return false
         val `this$_name`: Any = name
         val `other$_name`: Any = other.name
-        if (if (`this$_name` == null) `other$_name` != null else `this$_name` != `other$_name`) return false
+        if (`this$_name` != `other$_name`) return false
         val `this$_language`: Any = language
         val `other$_language`: Any = other.language
-        return if (if (`this$_language` == null) `other$_language` != null else `this$_language` != `other$_language`) false else true
+        return `this$_language` == `other$_language`
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -22,13 +22,13 @@ class FontFamilyName(val name: String, val language: String) {
         val PRIME = 59
         var result = 1
         val `$_name`: Any = name
-        result = result * PRIME + (`$_name`?.hashCode() ?: 43)
+        result = result * PRIME + (`$_name`.hashCode())
         val `$_language`: Any = language
-        result = result * PRIME + (`$_language`?.hashCode() ?: 43)
+        result = result * PRIME + (`$_language`.hashCode())
         return result
     }
 
     override fun toString(): String {
-        return "FontFamilyName(_name=" + name + ", _language=" + language + ")"
+        return "FontFamilyName(_name=$name, _language=$language)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontFeature.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontFeature.kt

 package org.jetbrains.skia
 
-import java.util.regex.Pattern
-
 class FontFeature(val _tag: Int, val value: Int, val start: Long, val end: Long) {
 
     constructor(feature: String, value: Int, start: Long, end: Long) : this(
-        FourByteTag.Companion.fromString(feature),
+        FourByteTag.fromString(feature),
         value,
         start,
         end
     )
 
     constructor(feature: String, value: Int) : this(
-        FourByteTag.Companion.fromString(feature),
+        FourByteTag.fromString(feature),
         value,
         GLOBAL_START,
         GLOBAL_END
     )
 
     constructor(feature: String, value: Boolean) : this(
-        FourByteTag.Companion.fromString(feature),
+        FourByteTag.fromString(feature),
         if (value) 1 else 0,
         GLOBAL_START,
         GLOBAL_END
     )
 
-    constructor(feature: String) : this(FourByteTag.Companion.fromString(feature), 1, GLOBAL_START, GLOBAL_END)
+    constructor(feature: String) : this(FourByteTag.fromString(feature), 1, GLOBAL_START, GLOBAL_END)
 
     val tag: String
-        get() = FourByteTag.Companion.toString(_tag)
+        get() = FourByteTag.toString(_tag)
 
     override fun toString(): String {
         var range = ""
@@ -48,7 +46,7 @@ class FontFeature(val _tag: Int, val value: Int, val start: Long, val end: Long)
         if (!other.canEqual(this as Any)) return false
         val `this$_tag`: Any = _tag
         val `other$_tag`: Any = other._tag
-        if (if (`this$_tag` == null) `other$_tag` != null else `this$_tag` != `other$_tag`) return false
+        if (`this$_tag` != `other$_tag`) return false
         if (value != other.value) return false
         if (start != other.start) return false
         return if (end != other.end) false else true
@@ -62,7 +60,7 @@ class FontFeature(val _tag: Int, val value: Int, val start: Long, val end: Long)
         val PRIME = 59
         var result = 1
         val `$_tag`: Any = _tag
-        result = result * PRIME + (`$_tag`?.hashCode() ?: 43)
+        result = result * PRIME + (`$_tag`.hashCode())
         result = result * PRIME + value
         val `$_start` = start
         result = result * PRIME + (`$_start` ushr 32 xor `$_start`).toInt()
@@ -75,22 +73,22 @@ class FontFeature(val _tag: Int, val value: Int, val start: Long, val end: Long)
         const val GLOBAL_START: Long = 0
         const val GLOBAL_END = Long.MAX_VALUE
         val EMPTY = arrayOfNulls<FontFeature>(0)
-        val _splitPattern = Pattern.compile("\\s+")
+        val _splitPattern = compilePattern("\\s+")
         val _featurePattern =
-            Pattern.compile("(?<sign>[-+])?(?<tag>[a-z0-9]{4})(?:\\[(?<start>\\d+)?:(?<end>\\d+)?\\])?(?:=(?<value>\\d+))?")
+            compilePattern("(?<sign>[-+])?(?<tag>[a-z0-9]{4})(?:\\[(?<start>\\d+)?:(?<end>\\d+)?\\])?(?:=(?<value>\\d+))?")
 
         fun parseOne(s: String): FontFeature {
             val m = _featurePattern.matcher(s)
             require(m.matches()) { "Can’t parse FontFeature: $s" }
-            val value = if (m.group("value") != null) m.group("value")
+            val value = if (m.group("value") != null) m.group("value")!!
                 .toInt() else if (m.group("sign") == null) 1 else if ("-" == m.group("sign")) 0 else 1
-            val start = if (m.group("start") == null) 0 else m.group("start").toLong()
-            val end = if (m.group("end") == null) Long.MAX_VALUE else m.group("end").toLong()
-            return FontFeature(m.group("tag"), value, start, end)
+            val start = if (m.group("start") == null) 0 else m.group("start")!!.toLong()
+            val end = if (m.group("end") == null) Long.MAX_VALUE else m.group("end")!!.toLong()
+            return FontFeature(m.group("tag")!!, value, start, end)
         }
 
-        fun parse(s: String?): Array<FontFeature?> {
-            return _splitPattern.split(s).map { s -> parseOne(s) }.toTypedArray()
+        fun parse(s: String): Array<FontFeature?> {
+            return _splitPattern.split(s)?.map { s -> parseOne(s!!) }?.toTypedArray() ?: emptyArray()
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontMetrics.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontMetrics.kt

@@ -115,17 +115,17 @@ class FontMetrics(
         if (o !is FontMetrics) return false
         val other = o
         if (!other.canEqual(this as Any)) return false
-        if (java.lang.Float.compare(top, other.top) != 0) return false
-        if (java.lang.Float.compare(ascent, other.ascent) != 0) return false
-        if (java.lang.Float.compare(descent, other.descent) != 0) return false
-        if (java.lang.Float.compare(bottom, other.bottom) != 0) return false
-        if (java.lang.Float.compare(leading, other.leading) != 0) return false
-        if (java.lang.Float.compare(avgCharWidth, other.avgCharWidth) != 0) return false
-        if (java.lang.Float.compare(maxCharWidth, other.maxCharWidth) != 0) return false
-        if (java.lang.Float.compare(xMin, other.xMin) != 0) return false
-        if (java.lang.Float.compare(xMax, other.xMax) != 0) return false
-        if (java.lang.Float.compare(xHeight, other.xHeight) != 0) return false
-        if (java.lang.Float.compare(capHeight, other.capHeight) != 0) return false
+        if (top.compareTo(other.top) != 0) return false
+        if (ascent.compareTo(other.ascent) != 0) return false
+        if (descent.compareTo(other.descent) != 0) return false
+        if (bottom.compareTo(other.bottom) != 0) return false
+        if (leading.compareTo(other.leading) != 0) return false
+        if (avgCharWidth.compareTo(other.avgCharWidth) != 0) return false
+        if (maxCharWidth.compareTo(other.maxCharWidth) != 0) return false
+        if (xMin.compareTo(other.xMin) != 0) return false
+        if (xMax.compareTo(other.xMax) != 0) return false
+        if (xHeight.compareTo(other.xHeight) != 0) return false
+        if (capHeight.compareTo(other.capHeight) != 0) return false
         val `this$_underlineThickness`: Any? = underlineThickness
         val `other$_underlineThickness`: Any? = other.underlineThickness
         if (if (`this$_underlineThickness` == null) `other$_underlineThickness` != null else `this$_underlineThickness` != `other$_underlineThickness`) return false
@@ -147,17 +147,17 @@ class FontMetrics(
     override fun hashCode(): Int {
         val PRIME = 59
         var result = 1
-        result = result * PRIME + java.lang.Float.floatToIntBits(top)
-        result = result * PRIME + java.lang.Float.floatToIntBits(ascent)
-        result = result * PRIME + java.lang.Float.floatToIntBits(descent)
-        result = result * PRIME + java.lang.Float.floatToIntBits(bottom)
-        result = result * PRIME + java.lang.Float.floatToIntBits(leading)
-        result = result * PRIME + java.lang.Float.floatToIntBits(avgCharWidth)
-        result = result * PRIME + java.lang.Float.floatToIntBits(maxCharWidth)
-        result = result * PRIME + java.lang.Float.floatToIntBits(xMin)
-        result = result * PRIME + java.lang.Float.floatToIntBits(xMax)
-        result = result * PRIME + java.lang.Float.floatToIntBits(xHeight)
-        result = result * PRIME + java.lang.Float.floatToIntBits(capHeight)
+        result = result * PRIME + top.toBits()
+        result = result * PRIME + ascent.toBits()
+        result = result * PRIME + descent.toBits()
+        result = result * PRIME + bottom.toBits()
+        result = result * PRIME + leading.toBits()
+        result = result * PRIME + avgCharWidth.toBits()
+        result = result * PRIME + maxCharWidth.toBits()
+        result = result * PRIME + xMin.toBits()
+        result = result * PRIME + xMax.toBits()
+        result = result * PRIME + xHeight.toBits()
+        result = result * PRIME + capHeight.toBits()
         val `$_underlineThickness`: Any? = underlineThickness
         result = result * PRIME + (`$_underlineThickness`?.hashCode() ?: 43)
         val `$_underlinePosition`: Any? = underlinePosition

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontMgr.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontMgr.kt

@@ -2,9 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 open class FontMgr : RefCnt {
     companion object {
@@ -35,7 +35,7 @@ open class FontMgr : RefCnt {
             Stats.onNativeCall()
             _nGetFamiliesCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     fun getFamilyName(index: Int): String {
@@ -43,7 +43,7 @@ open class FontMgr : RefCnt {
             Stats.onNativeCall()
             _nGetFamilyName(_ptr, index)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -53,7 +53,7 @@ open class FontMgr : RefCnt {
             val ptr = _nMakeStyleSet(_ptr, index)
             if (ptr == 0L) null else FontStyleSet(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -73,7 +73,7 @@ open class FontMgr : RefCnt {
             Stats.onNativeCall()
             FontStyleSet(_nMatchFamily(_ptr, familyName))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -95,7 +95,7 @@ open class FontMgr : RefCnt {
             val ptr = _nMatchFamilyStyle(_ptr, familyName, style._value)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -133,7 +133,7 @@ open class FontMgr : RefCnt {
             val ptr = _nMatchFamilyStyleCharacter(_ptr, familyName, style._value, bcp47, character)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -155,16 +155,15 @@ open class FontMgr : RefCnt {
      * or null if the data is not recognized. The caller must call [.close] on
      * the returned object if it is not null.
      */
-    @JvmOverloads
     fun makeFromData(data: Data?, ttcIndex: Int = 0): Typeface? {
         return try {
             Stats.onNativeCall()
             val ptr =
-                _nMakeFromData(_ptr, Native.Companion.getPtr(data), ttcIndex)
+                _nMakeFromData(_ptr, getPtr(data), ttcIndex)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(data)
+            reachabilityBarrier(this)
+            reachabilityBarrier(data)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontStyle.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontStyle.kt

@@ -56,9 +56,9 @@ class FontStyle {
     }
 
     companion object {
-        val NORMAL = FontStyle(FontWeight.Companion.NORMAL, FontWidth.Companion.NORMAL, FontSlant.UPRIGHT)
-        val BOLD = FontStyle(FontWeight.Companion.BOLD, FontWidth.Companion.NORMAL, FontSlant.UPRIGHT)
-        val ITALIC = FontStyle(FontWeight.Companion.NORMAL, FontWidth.Companion.NORMAL, FontSlant.ITALIC)
-        val BOLD_ITALIC = FontStyle(FontWeight.Companion.BOLD, FontWidth.Companion.NORMAL, FontSlant.ITALIC)
+        val NORMAL = FontStyle(FontWeight.NORMAL, FontWidth.NORMAL, FontSlant.UPRIGHT)
+        val BOLD = FontStyle(FontWeight.BOLD, FontWidth.NORMAL, FontSlant.UPRIGHT)
+        val ITALIC = FontStyle(FontWeight.NORMAL, FontWidth.NORMAL, FontSlant.ITALIC)
+        val BOLD_ITALIC = FontStyle(FontWeight.BOLD, FontWidth.NORMAL, FontSlant.ITALIC)
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontStyleSet.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontStyleSet.kt

@@ -3,7 +3,8 @@ package org.jetbrains.skia
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class FontStyleSet internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -29,16 +30,16 @@ class FontStyleSet internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     fun getStyle(index: Int): FontStyle {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.FontStyle(_nGetStyle(_ptr, index))
+            FontStyle(_nGetStyle(_ptr, index))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -47,7 +48,7 @@ class FontStyleSet internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetStyleName(_ptr, index)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -57,7 +58,7 @@ class FontStyleSet internal constructor(ptr: Long) : RefCnt(ptr) {
             val ptr = _nGetTypeface(_ptr, index)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -67,7 +68,7 @@ class FontStyleSet internal constructor(ptr: Long) : RefCnt(ptr) {
             val ptr = _nMatchStyle(_ptr, style._value)
             if (ptr == 0L) null else Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontVariation.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontVariation.kt

 package org.jetbrains.skia
 
-import java.util.regex.Pattern
-
 class FontVariation(val _tag: Int, val value: Float) {
 
     constructor(feature: String, value: Float) : this(FourByteTag.fromString(feature), value) {}
@@ -20,8 +18,8 @@ class FontVariation(val _tag: Int, val value: Float) {
         if (!other.canEqual(this as Any)) return false
         val `this$_tag`: Any = _tag
         val `other$_tag`: Any = other._tag
-        if (if (`this$_tag` == null) `other$_tag` != null else `this$_tag` != `other$_tag`) return false
-        return if (java.lang.Float.compare(value, other.value) != 0) false else true
+        if (`this$_tag` != `other$_tag`) return false
+        return value.compareTo(other.value) == 0
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -33,25 +31,26 @@ class FontVariation(val _tag: Int, val value: Float) {
         var result = 1
         val `$_tag`: Any = _tag
         result = result * PRIME + (`$_tag`?.hashCode() ?: 43)
-        result = result * PRIME + java.lang.Float.floatToIntBits(value)
+        result = result * PRIME + value.toBits()
         return result
     }
 
     companion object {
         val EMPTY = arrayOfNulls<FontVariation>(0)
 
-        internal val _splitPattern = Pattern.compile("\\s+")
+        internal val _splitPattern = compilePattern("\\s+")
+
+        internal val _variationPattern = compilePattern("(?<tag>[a-z0-9]{4})=(?<value>\\d+)")
 
-        internal val _variationPattern = Pattern.compile("(?<tag>[a-z0-9]{4})=(?<value>\\d+)")
         fun parseOne(s: String): FontVariation {
             val m = _variationPattern.matcher(s)
             require(m.matches()) { "Can’t parse FontVariation: $s" }
-            val value = m.group("value").toFloat()
-            return FontVariation(m.group("tag"), value)
+            val value = m.group("value")!!.toFloat()
+            return FontVariation(m.group("tag")!!, value)
         }
 
         fun parse(s: String?): Array<FontVariation> {
-            return _splitPattern.split(s).map { s: String -> parseOne(s) }
+            return _splitPattern.split(s!!)!!.map { s -> parseOne(s!!) }
                 .toTypedArray()
         }
     }

skiko/src/jvmMain/kotlin/org/jetbrains/skia/FontVariationAxis.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/FontVariationAxis.kt

@@ -21,7 +21,7 @@ class FontVariationAxis(
     }
 
     constructor(tag: String, min: Float, def: Float, max: Float) : this(
-        FourByteTag.Companion.fromString(tag),
+        FourByteTag.fromString(tag),
         min,
         def,
         max,
@@ -36,11 +36,11 @@ class FontVariationAxis(
         if (!other.canEqual(this as Any)) return false
         val `this$_tag`: Any = _tag
         val `other$_tag`: Any = other._tag
-        if (if (`this$_tag` == null) `other$_tag` != null else `this$_tag` != `other$_tag`) return false
-        if (java.lang.Float.compare(minValue, other.minValue) != 0) return false
-        if (java.lang.Float.compare(defaultValue, other.defaultValue) != 0) return false
-        if (java.lang.Float.compare(maxValue, other.maxValue) != 0) return false
-        return if (isHidden != other.isHidden) false else true
+        if (`this$_tag` != `other$_tag`) return false
+        if (minValue.compareTo(other.minValue) != 0) return false
+        if (defaultValue.compareTo(other.defaultValue) != 0) return false
+        if (maxValue.compareTo(other.maxValue) != 0) return false
+        return isHidden == other.isHidden
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -51,15 +51,15 @@ class FontVariationAxis(
         val PRIME = 59
         var result = 1
         val `$_tag`: Any = _tag
-        result = result * PRIME + (`$_tag`?.hashCode() ?: 43)
-        result = result * PRIME + java.lang.Float.floatToIntBits(minValue)
-        result = result * PRIME + java.lang.Float.floatToIntBits(defaultValue)
-        result = result * PRIME + java.lang.Float.floatToIntBits(maxValue)
+        result = result * PRIME + (`$_tag`.hashCode())
+        result = result * PRIME + minValue.toBits()
+        result = result * PRIME + defaultValue.toBits()
+        result = result * PRIME + maxValue.toBits()
         result = result * PRIME + if (isHidden) 79 else 97
         return result
     }
 
     override fun toString(): String {
-        return "FontVariationAxis(_tag=" + _tag + ", _minValue=" + minValue + ", _defaultValue=" + defaultValue + ", _maxValue=" + maxValue + ", _hidden=" + isHidden + ")"
+        return "FontVariationAxis(_tag=$_tag, _minValue=$minValue, _defaultValue=$defaultValue, _maxValue=$maxValue, _hidden=$isHidden)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Image.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Image.kt

@@ -2,11 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.RuntimeException
-import java.lang.ref.Reference
-import java.nio.ByteBuffer
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
     companion object {
@@ -39,14 +37,14 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
                     imageInfo.height,
                     imageInfo.colorInfo.colorType.ordinal,
                     imageInfo.colorInfo.alphaType.ordinal,
-                    Native.Companion.getPtr(imageInfo.colorInfo.colorSpace),
+                    getPtr(imageInfo.colorInfo.colorSpace),
                     bytes,
                     rowBytes
                 )
                 if (ptr == 0L) throw RuntimeException("Failed to makeRaster $imageInfo $bytes $rowBytes")
                 Image(ptr)
             } finally {
-                Reference.reachabilityFence(imageInfo.colorInfo.colorSpace)
+                reachabilityBarrier(imageInfo.colorInfo.colorSpace)
             }
         }
 
@@ -77,15 +75,15 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
                     imageInfo.height,
                     imageInfo.colorInfo.colorType.ordinal,
                     imageInfo.colorInfo.alphaType.ordinal,
-                    Native.getPtr(imageInfo.colorInfo.colorSpace),
-                    Native.getPtr(data),
+                    getPtr(imageInfo.colorInfo.colorSpace),
+                    getPtr(data),
                     rowBytes
                 )
                 if (ptr == 0L) throw RuntimeException("Failed to makeRaster $imageInfo $data $rowBytes")
                 Image(ptr)
             } finally {
-                Reference.reachabilityFence(imageInfo.colorInfo.colorSpace)
-                Reference.reachabilityFence(data)
+                reachabilityBarrier(imageInfo.colorInfo.colorSpace)
+                reachabilityBarrier(data)
             }
         }
 
@@ -112,27 +110,27 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
          */
         fun makeFromBitmap(bitmap: Bitmap): Image {
             return try {
-                assert(bitmap != null) { "Can’t makeFromBitmap with bitmap == null" }
+                require(bitmap != null) { "Can’t makeFromBitmap with bitmap == null" }
                 Stats.onNativeCall()
                 val ptr =
-                    _nMakeFromBitmap(Native.Companion.getPtr(bitmap))
+                    _nMakeFromBitmap(getPtr(bitmap))
                 if (ptr == 0L) throw RuntimeException("Failed to Image::makeFromBitmap $bitmap")
                 Image(ptr)
             } finally {
-                Reference.reachabilityFence(bitmap)
+                reachabilityBarrier(bitmap)
             }
         }
 
         fun makeFromPixmap(pixmap: Pixmap): Image {
             return try {
-                assert(pixmap != null) { "Can’t makeFromPixmap with pixmap == null" }
+                require(pixmap != null) { "Can’t makeFromPixmap with pixmap == null" }
                 Stats.onNativeCall()
                 val ptr =
-                    _nMakeFromPixmap(Native.Companion.getPtr(pixmap))
+                    _nMakeFromPixmap(getPtr(pixmap))
                 if (ptr == 0L) throw RuntimeException("Failed to Image::makeFromRaster $pixmap")
                 Image(ptr)
             } finally {
-                Reference.reachabilityFence(pixmap)
+                reachabilityBarrier(pixmap)
             }
         }
 
@@ -199,7 +197,7 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
     override val imageInfo: ImageInfo
         get() = try {
             if (_imageInfo == null) {
-                synchronized(this) {
+                commonSynchronized(this) {
                     if (_imageInfo == null) {
                         Stats.onNativeCall()
                         _imageInfo = _nGetImageInfo(_ptr)
@@ -208,7 +206,7 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
             }
             _imageInfo!!
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     /**
      * Encodes Image pixels, returning result as Data.
@@ -240,14 +238,13 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
      *
      * @see [https://fiddle.skia.org/c/@Image_encodeToData_2](https://fiddle.skia.org/c/@Image_encodeToData_2)
      */
-    @JvmOverloads
     fun encodeToData(format: EncodedImageFormat = EncodedImageFormat.PNG, quality: Int = 100): Data? {
         return try {
             Stats.onNativeCall()
             val ptr = _nEncodeToData(_ptr, format.ordinal, quality)
             if (ptr == 0L) null else org.jetbrains.skia.Data(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -263,17 +260,16 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
         return makeShader(tmx, tmy, SamplingMode.DEFAULT, localMatrix)
     }
 
-    @JvmOverloads
     fun makeShader(
         tmx: FilterTileMode = FilterTileMode.CLAMP,
         tmy: FilterTileMode = FilterTileMode.CLAMP,
-        sampling: SamplingMode = SamplingMode.Companion.DEFAULT,
+        sampling: SamplingMode = SamplingMode.DEFAULT,
         localMatrix: Matrix33? = null
     ): Shader {
         return try {
-            assert(tmx != null) { "Can’t Bitmap.makeShader with tmx == null" }
-            assert(tmy != null) { "Can’t Bitmap.makeShader with tmy == null" }
-            assert(sampling != null) { "Can’t Bitmap.makeShader with sampling == null" }
+            require(tmx != null) { "Can’t Bitmap.makeShader with tmx == null" }
+            require(tmy != null) { "Can’t Bitmap.makeShader with tmy == null" }
+            require(sampling != null) { "Can’t Bitmap.makeShader with sampling == null" }
             Stats.onNativeCall()
             Shader(
                 _nMakeShader(
@@ -285,7 +281,7 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
                 )
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -302,7 +298,7 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
             Stats.onNativeCall()
             _nPeekPixels(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -311,11 +307,11 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
             Stats.onNativeCall()
             _nPeekPixelsToPixmap(
                 _ptr,
-                Native.Companion.getPtr(pixmap)
+                getPtr(pixmap)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(pixmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(pixmap)
         }
     }
 
@@ -368,50 +364,50 @@ class Image internal constructor(ptr: Long) : RefCnt(ptr), IHasImageInfo {
      */
     fun readPixels(context: DirectContext?, dst: Bitmap, srcX: Int, srcY: Int, cache: Boolean): Boolean {
         return try {
-            assert(dst != null) { "Can’t readPixels with dst == null" }
+            require(dst != null) { "Can’t readPixels with dst == null" }
             _nReadPixelsBitmap(
                 _ptr,
-                Native.Companion.getPtr(context),
-                Native.Companion.getPtr(dst),
+                getPtr(context),
+                getPtr(dst),
                 srcX,
                 srcY,
                 cache
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(context)
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(this)
+            reachabilityBarrier(context)
+            reachabilityBarrier(dst)
         }
     }
 
     fun readPixels(dst: Pixmap, srcX: Int, srcY: Int, cache: Boolean): Boolean {
         return try {
-            assert(dst != null) { "Can’t readPixels with dst == null" }
+            require(dst != null) { "Can’t readPixels with dst == null" }
             _nReadPixelsPixmap(
                 _ptr,
-                Native.Companion.getPtr(dst),
+                getPtr(dst),
                 srcX,
                 srcY,
                 cache
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dst)
         }
     }
 
     fun scalePixels(dst: Pixmap, samplingMode: SamplingMode, cache: Boolean): Boolean {
         return try {
-            assert(dst != null) { "Can’t scalePixels with dst == null" }
+            require(dst != null) { "Can’t scalePixels with dst == null" }
             _nScalePixels(
                 _ptr,
-                Native.Companion.getPtr(dst),
+                getPtr(dst),
                 samplingMode._pack(),
                 cache
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dst)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/ImageFilter.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/ImageFilter.kt

@@ -4,8 +4,8 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
-import java.util.*
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -20,14 +20,14 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 ImageFilter(
                     _nMakeAlphaThreshold(
-                        Native.Companion.getPtr(
+                        getPtr(
                             r
-                        ), innerMin, outerMax, Native.Companion.getPtr(input), crop
+                        ), innerMin, outerMax, getPtr(input), crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(r)
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(r)
+                reachabilityBarrier(input)
             }
         }
 
@@ -50,14 +50,14 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         k3,
                         k4,
                         enforcePMColor,
-                        Native.Companion.getPtr(bg),
-                        Native.Companion.getPtr(fg),
+                        getPtr(bg),
+                        getPtr(fg),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(bg)
-                Reference.reachabilityFence(fg)
+                reachabilityBarrier(bg)
+                reachabilityBarrier(fg)
             }
         }
 
@@ -67,18 +67,17 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 ImageFilter(
                     _nMakeBlend(
                         blendMode.ordinal,
-                        Native.Companion.getPtr(bg),
-                        Native.Companion.getPtr(fg),
+                        getPtr(bg),
+                        getPtr(fg),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(bg)
-                Reference.reachabilityFence(fg)
+                reachabilityBarrier(bg)
+                reachabilityBarrier(fg)
             }
         }
 
-        @JvmOverloads
         fun makeBlur(
             sigmaX: Float,
             sigmaY: Float,
@@ -93,12 +92,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         sigmaX,
                         sigmaY,
                         mode.ordinal,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -107,14 +106,14 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 ImageFilter(
                     _nMakeColorFilter(
-                        Native.Companion.getPtr(
+                        getPtr(
                             f
-                        ), Native.Companion.getPtr(input), crop
+                        ), getPtr(input), crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(f)
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(f)
+                reachabilityBarrier(input)
             }
         }
 
@@ -123,14 +122,14 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 ImageFilter(
                     _nMakeCompose(
-                        Native.Companion.getPtr(
+                        getPtr(
                             outer
-                        ), Native.Companion.getPtr(inner)
+                        ), getPtr(inner)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(outer)
-                Reference.reachabilityFence(inner)
+                reachabilityBarrier(outer)
+                reachabilityBarrier(inner)
             }
         }
 
@@ -149,18 +148,17 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         x.ordinal,
                         y.ordinal,
                         scale,
-                        Native.Companion.getPtr(displacement),
-                        Native.Companion.getPtr(color),
+                        getPtr(displacement),
+                        getPtr(color),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(displacement)
-                Reference.reachabilityFence(color)
+                reachabilityBarrier(displacement)
+                reachabilityBarrier(color)
             }
         }
 
-        @JvmOverloads
         fun makeDropShadow(
             dx: Float,
             dy: Float,
@@ -179,16 +177,15 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         sigmaX,
                         sigmaY,
                         color,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
-        @JvmOverloads
         fun makeDropShadowOnly(
             dx: Float,
             dy: Float,
@@ -207,18 +204,18 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         sigmaX,
                         sigmaY,
                         color,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
         fun makeImage(image: Image): ImageFilter {
-            val r: Rect = Rect.Companion.makeWH(image.width.toFloat(), image.height.toFloat())
-            return makeImage(image, r, r, SamplingMode.Companion.DEFAULT)
+            val r: Rect = Rect.makeWH(image.width.toFloat(), image.height.toFloat())
+            return makeImage(image, r, r, SamplingMode.DEFAULT)
         }
 
         fun makeImage(image: Image?, src: Rect, dst: Rect, mode: SamplingMode): ImageFilter {
@@ -226,7 +223,7 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 ImageFilter(
                     _nMakeImage(
-                        Native.Companion.getPtr(
+                        getPtr(
                             image
                         ),
                         src.left,
@@ -241,7 +238,7 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                     )
                 )
             } finally {
-                Reference.reachabilityFence(image)
+                reachabilityBarrier(image)
             }
         }
 
@@ -255,12 +252,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         r.right,
                         r.bottom,
                         inset,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -290,12 +287,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         offsetY,
                         tileMode.ordinal,
                         convolveAlpha,
-                        Native.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -306,11 +303,11 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                     _nMakeMatrixTransform(
                         matrix.mat,
                         mode._pack(),
-                        Native.Companion.getPtr(input)
+                        getPtr(input)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -318,10 +315,10 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
             return try {
                 Stats.onNativeCall()
                 val filterPtrs = LongArray(filters.size)
-                Arrays.setAll(filterPtrs) { i: Int -> Native.Companion.getPtr(filters[i]) }
+                filterPtrs.forEachIndexed { i: Int, _: Long -> getPtr(filters[i]) }
                 ImageFilter(_nMakeMerge(filterPtrs, crop))
             } finally {
-                Reference.reachabilityFence(filters)
+                reachabilityBarrier(filters)
             }
         }
 
@@ -332,12 +329,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                     _nMakeOffset(
                         dx,
                         dy,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -346,20 +343,16 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 ImageFilter(
                     _nMakePaint(
-                        Native.Companion.getPtr(
+                        getPtr(
                             paint
                         ), crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(paint)
+                reachabilityBarrier(paint)
             }
         }
 
-        // public static ImageFilter makePicture(Picture picture, Rect target) {
-        //     Native.onNativeCall();
-        //     return new ImageFilter(_nMakePicture(Native.pointer(picture), target.left, target.top, target.right, target.bottom));
-        // }
         fun makeTile(src: Rect, dst: Rect, input: ImageFilter?): ImageFilter {
             return try {
                 Stats.onNativeCall()
@@ -373,11 +366,11 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         dst.top,
                         dst.right,
                         dst.bottom,
-                        Native.Companion.getPtr(input)
+                        getPtr(input)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -388,12 +381,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                     _nMakeDilate(
                         rx,
                         ry,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -404,12 +397,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                     _nMakeErode(
                         rx,
                         ry,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -433,12 +426,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         lightColor,
                         surfaceScale,
                         kd,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -462,12 +455,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         lightColor,
                         surfaceScale,
                         kd,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -501,12 +494,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         lightColor,
                         surfaceScale,
                         kd,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -532,12 +525,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         surfaceScale,
                         ks,
                         shininess,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -563,12 +556,12 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         surfaceScale,
                         ks,
                         shininess,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
@@ -604,16 +597,17 @@ class ImageFilter internal constructor(ptr: Long) : RefCnt(ptr) {
                         surfaceScale,
                         ks,
                         shininess,
-                        Native.Companion.getPtr(input),
+                        getPtr(input),
                         crop
                     )
                 )
             } finally {
-                Reference.reachabilityFence(input)
+                reachabilityBarrier(input)
             }
         }
 
-        @JvmStatic external fun _nMakeAlphaThreshold(
+        @JvmStatic
+        external fun _nMakeAlphaThreshold(
             regionPtr: Long,
             innerMin: Float,
             outerMax: Float,

skiko/src/jvmMain/kotlin/org/jetbrains/skia/ImageInfo.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/ImageInfo.kt

@@ -87,7 +87,7 @@ class ImageInfo(val colorInfo: ColorInfo, val width: Int, val height: Int) {
      * @return  integral rectangle from (0, 0) to (getWidth(), getHeight())
      */
     val bounds: IRect
-        get() = IRect.Companion.makeXYWH(0, 0, width, height)
+        get() = IRect.makeXYWH(0, 0, width, height)
 
     /**
      * @return  true if associated ColorSpace is not null, and ColorSpace gamma
@@ -230,7 +230,7 @@ class ImageInfo(val colorInfo: ColorInfo, val width: Int, val height: Int) {
     }
 
     companion object {
-        val DEFAULT = ImageInfo(ColorInfo.Companion.DEFAULT, 0, 0)
+        val DEFAULT = ImageInfo(ColorInfo.DEFAULT, 0, 0)
 
         /**
          * @return  ImageInfo with [ColorType.N32]

skiko/src/jvmMain/kotlin/org/jetbrains/skia/ManagedString.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/ManagedString.kt

@@ -3,7 +3,8 @@ package org.jetbrains.skia
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class ManagedString internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR) {
     companion object {
@@ -29,7 +30,7 @@ class ManagedString internal constructor(ptr: Long) : Managed(ptr, _FinalizerHol
             Stats.onNativeCall()
             _nToString(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/MaskFilter.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/MaskFilter.kt

@@ -2,13 +2,12 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class MaskFilter internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
-        @JvmOverloads
         fun makeBlur(mode: FilterBlurMode, sigma: Float, respectCTM: Boolean = true): MaskFilter {
             Stats.onNativeCall()
             return MaskFilter(_nMakeBlur(mode.ordinal, sigma, respectCTM))
@@ -17,9 +16,9 @@ class MaskFilter internal constructor(ptr: Long) : RefCnt(ptr) {
         fun makeShader(s: Shader?): MaskFilter {
             return try {
                 Stats.onNativeCall()
-                MaskFilter(_nMakeShader(Native.Companion.getPtr(s)))
+                MaskFilter(_nMakeShader(getPtr(s)))
             } finally {
-                Reference.reachabilityFence(s)
+                reachabilityBarrier(s)
             }
         }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Paint.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Paint.kt

@@ -4,7 +4,9 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
+import kotlin.math.round
 
 class Paint : Managed {
     companion object {
@@ -133,16 +135,16 @@ class Paint : Managed {
             Stats.onNativeCall()
             Paint(_nMakeClone(_ptr), true)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     override fun _nativeEquals(other: Native?): Boolean {
         return try {
-            _nEquals(_ptr, Native.Companion.getPtr(other))
+            _nEquals(_ptr, getPtr(other))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(this)
+            reachabilityBarrier(other)
         }
     }
 
@@ -168,7 +170,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nIsAntiAlias(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setAntiAlias(value)
@@ -193,7 +195,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nIsDither(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -216,7 +218,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             PaintMode.values().get(_nGetMode(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setMode(value)
@@ -230,7 +232,7 @@ class Paint : Managed {
      * @see [https://fiddle.skia.org/c/@Stroke_Width](https://fiddle.skia.org/c/@Stroke_Width)
      */
     fun setMode(style: PaintMode): Paint {
-        assert(style != null) { "Paint::setMode expected style != null" }
+        require(style != null) { "Paint::setMode expected style != null" }
         Stats.onNativeCall()
         _nSetMode(_ptr, style.ordinal)
         return this
@@ -258,7 +260,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nGetColor(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setColor(value)
@@ -275,7 +277,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nGetColor4f(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setColor4f(value)
@@ -318,7 +320,7 @@ class Paint : Managed {
      */
     fun setColor4f(color: Color4f, colorSpace: ColorSpace?): Paint {
         return try {
-            assert(color != null) { "Paint::setColor4f expected color != null" }
+            require(color != null) { "Paint::setColor4f expected color != null" }
             Stats.onNativeCall()
             _nSetColor4f(
                 _ptr,
@@ -326,11 +328,11 @@ class Paint : Managed {
                 color.g,
                 color.b,
                 color.a,
-                Native.Companion.getPtr(colorSpace)
+                getPtr(colorSpace)
             )
             this
         } finally {
-            Reference.reachabilityFence(colorSpace)
+            reachabilityBarrier(colorSpace)
         }
     }
 
@@ -348,7 +350,7 @@ class Paint : Managed {
      * @return  alpha ranging from 0, fully transparent, to 255, fully opaque
      */
     val alpha: Int
-        get() = Math.round(alphaf * 255f)
+        get() = round(alphaf * 255f).toInt()
 
     /**
      *
@@ -409,7 +411,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nGetStrokeWidth(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setStrokeWidth(value)
@@ -443,7 +445,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nGetStrokeMiter(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setStrokeMiter(value)
@@ -473,7 +475,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             PaintStrokeCap.values().get(_nGetStrokeCap(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setStrokeCap(value)
@@ -489,7 +491,7 @@ class Paint : Managed {
      * @see [https://fiddle.skia.org/c/@Paint_setStrokeCap_b](https://fiddle.skia.org/c/@Paint_setStrokeCap_b)
      */
     fun setStrokeCap(cap: PaintStrokeCap): Paint {
-        assert(cap != null) { "Paint::setStrokeCap expected cap != null" }
+        require(cap != null) { "Paint::setStrokeCap expected cap != null" }
         Stats.onNativeCall()
         _nSetStrokeCap(_ptr, cap.ordinal)
         return this
@@ -503,7 +505,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             PaintStrokeJoin.values().get(_nGetStrokeJoin(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setStrokeJoin(value)
@@ -517,7 +519,7 @@ class Paint : Managed {
      * @see [https://fiddle.skia.org/c/@Paint_setStrokeJoin](https://fiddle.skia.org/c/@Paint_setStrokeJoin)
      */
     fun setStrokeJoin(join: PaintStrokeJoin): Paint {
-        assert(join != null) { "Paint::setStrokeJoin expected join != null" }
+        require(join != null) { "Paint::setStrokeJoin expected join != null" }
         Stats.onNativeCall()
         _nSetStrokeJoin(_ptr, join.ordinal)
         return this
@@ -544,18 +546,18 @@ class Paint : Managed {
      */
     fun getFillPath(src: Path, cull: Rect?, resScale: Float): Path {
         return try {
-            assert(src != null) { "Paint::getFillPath expected src != null" }
+            require(src != null) { "Paint::getFillPath expected src != null" }
             Stats.onNativeCall()
             if (cull == null) org.jetbrains.skia.Path(
                 _nGetFillPath(
                     _ptr,
-                    Native.Companion.getPtr(src),
+                    getPtr(src),
                     resScale
                 )
             ) else org.jetbrains.skia.Path(
                 _nGetFillPathCull(
                     _ptr,
-                    Native.Companion.getPtr(src),
+                    getPtr(src),
                     cull.left,
                     cull.top,
                     cull.right,
@@ -564,8 +566,8 @@ class Paint : Managed {
                 )
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(src)
+            reachabilityBarrier(this)
+            reachabilityBarrier(src)
         }
     }
 
@@ -579,7 +581,7 @@ class Paint : Managed {
             val shaderPtr = _nGetShader(_ptr)
             if (shaderPtr == 0L) null else Shader(shaderPtr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setShader(value)
@@ -595,10 +597,10 @@ class Paint : Managed {
     fun setShader(shader: Shader?): Paint {
         return try {
             Stats.onNativeCall()
-            _nSetShader(_ptr, Native.Companion.getPtr(shader))
+            _nSetShader(_ptr, getPtr(shader))
             this
         } finally {
-            Reference.reachabilityFence(shader)
+            reachabilityBarrier(shader)
         }
     }
 
@@ -612,7 +614,7 @@ class Paint : Managed {
             val colorFilterPtr = _nGetColorFilter(_ptr)
             if (colorFilterPtr == 0L) null else ColorFilter(colorFilterPtr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setColorFilter(value)
@@ -630,11 +632,11 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nSetColorFilter(
                 _ptr,
-                Native.Companion.getPtr(colorFilter)
+                getPtr(colorFilter)
             )
             this
         } finally {
-            Reference.reachabilityFence(colorFilter)
+            reachabilityBarrier(colorFilter)
         }
     }
 
@@ -643,12 +645,12 @@ class Paint : Managed {
      *
      * @return  mode used to combine source color with destination color
      */
-    var blendMode: BlendMode?
+    var blendMode: BlendMode
         get() = try {
             Stats.onNativeCall()
             BlendMode.values().get(_nGetBlendMode(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setBlendMode(value)
@@ -666,10 +668,9 @@ class Paint : Managed {
      * @param mode  BlendMode used to combine source color and destination
      * @return      this
      */
-    fun setBlendMode(mode: BlendMode?): Paint {
-        assert(mode != null) { "Paint::setBlendMode expected mode != null" }
+    fun setBlendMode(mode: BlendMode): Paint {
         Stats.onNativeCall()
-        _nSetBlendMode(_ptr, mode!!.ordinal)
+        _nSetBlendMode(_ptr, mode.ordinal)
         return this
     }
 
@@ -683,7 +684,7 @@ class Paint : Managed {
             val pathEffectPtr = _nGetPathEffect(_ptr)
             if (pathEffectPtr == 0L) null else PathEffect(pathEffectPtr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setPathEffect(value)
@@ -699,10 +700,10 @@ class Paint : Managed {
     fun setPathEffect(p: PathEffect?): Paint {
         return try {
             Stats.onNativeCall()
-            _nSetPathEffect(_ptr, Native.Companion.getPtr(p))
+            _nSetPathEffect(_ptr, getPtr(p))
             this
         } finally {
-            Reference.reachabilityFence(p)
+            reachabilityBarrier(p)
         }
     }
 
@@ -716,7 +717,7 @@ class Paint : Managed {
             val maskFilterPtr = _nGetMaskFilter(_ptr)
             if (maskFilterPtr == 0L) null else MaskFilter(maskFilterPtr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -732,11 +733,11 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nSetMaskFilter(
                 _ptr,
-                Native.Companion.getPtr(maskFilter)
+                getPtr(maskFilter)
             )
             this
         } finally {
-            Reference.reachabilityFence(maskFilter)
+            reachabilityBarrier(maskFilter)
         }
     }
 
@@ -750,7 +751,7 @@ class Paint : Managed {
             val imageFilterPtr = _nGetImageFilter(_ptr)
             if (imageFilterPtr == 0L) null else org.jetbrains.skia.ImageFilter(imageFilterPtr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -765,11 +766,11 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nSetImageFilter(
                 _ptr,
-                Native.Companion.getPtr(imageFilter)
+                getPtr(imageFilter)
             )
             this
         } finally {
-            Reference.reachabilityFence(imageFilter)
+            reachabilityBarrier(imageFilter)
         }
     }
 
@@ -791,7 +792,7 @@ class Paint : Managed {
             Stats.onNativeCall()
             _nHasNothingToDraw(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Path.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Path.kt

@@ -4,8 +4,8 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.IllegalArgumentException
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 /**
  *
@@ -165,14 +165,14 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             return try {
                 Stats.onNativeCall()
                 val ptr = _nMakeCombining(
-                    Native.Companion.getPtr(one),
-                    Native.Companion.getPtr(two),
+                    getPtr(one),
+                    getPtr(two),
                     op.ordinal
                 )
                 if (ptr == 0L) null else Path(ptr)
             } finally {
-                Reference.reachabilityFence(one)
-                Reference.reachabilityFence(two)
+                reachabilityBarrier(one)
+                reachabilityBarrier(two)
             }
         }
 
@@ -199,7 +199,8 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             return Path(_nMakeFromBytes(data))
         }
 
-        @JvmStatic external fun _nGetFinalizer(): Long
+        @JvmStatic
+        external fun _nGetFinalizer(): Long
         @JvmStatic external fun _nMake(): Long
         @JvmStatic external fun _nMakeFromSVGString(s: String?): Long
         @JvmStatic external fun _nEquals(aPtr: Long, bPtr: Long): Boolean
@@ -370,10 +371,10 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      */
         override fun _nativeEquals(other: Native?): Boolean {
         return try {
-            _nEquals(_ptr, Native.Companion.getPtr(other))
+            _nEquals(_ptr, getPtr(other))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(this)
+            reachabilityBarrier(other)
         }
     }
 
@@ -397,11 +398,11 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsInterpolatable(
                 _ptr,
-                Native.Companion.getPtr(compare)
+                getPtr(compare)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(compare)
+            reachabilityBarrier(this)
+            reachabilityBarrier(compare)
         }
     }
 
@@ -436,14 +437,14 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             val ptr = _nMakeLerp(
                 _ptr,
-                Native.Companion.getPtr(ending),
+                getPtr(ending),
                 weight
             )
             require(ptr != 0L) { "Point array is not the same size as ending Point array" }
             Path(ptr)
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(ending)
+            reachabilityBarrier(this)
+            reachabilityBarrier(ending)
         }
     }
 
@@ -452,7 +453,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             PathFillMode.values().get(_nGetFillMode(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
         set(value) {
             setFillMode(value)
@@ -474,7 +475,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsConvex(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -489,7 +490,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsOval(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -504,7 +505,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsRRect(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -560,7 +561,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsEmpty(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -580,7 +581,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsLastContourClosed(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -595,7 +596,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsFinite(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -611,7 +612,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsVolatile(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -655,7 +656,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nMaybeGetAsLine(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -671,7 +672,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetPointsCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -692,7 +693,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetPoint(_ptr, index)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -727,11 +728,11 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      */
     fun getPoints(points: Array<Point?>?, max: Int): Int {
         return try {
-            assert(if (points == null) max == 0 else true)
+            require(if (points == null) max == 0 else true)
             Stats.onNativeCall()
             _nGetPoints(_ptr, points, max)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -748,7 +749,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nCountVerbs(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val verbs: Array<PathVerb?>
         get() {
@@ -768,16 +769,16 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      */
     fun getVerbs(verbs: Array<PathVerb?>?, max: Int): Int {
         return try {
-            assert(if (verbs == null) max == 0 else true)
+            require(if (verbs == null) max == 0 else true)
             Stats.onNativeCall()
             val out = if (verbs == null) null else ByteArray(max)
             val count = _nGetVerbs(_ptr, out, max)
-            if (verbs != null) for (i in 0 until Math.min(count, max)) verbs[i] = PathVerb.values().get(
+            if (verbs != null) for (i in 0 until minOf(count, max)) verbs[i] = PathVerb.values().get(
                 out!![i].toInt()
             )
             count
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -791,7 +792,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nApproximateBytesUsed(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -808,10 +809,10 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
     fun swap(other: Path?): Path {
         return try {
             Stats.onNativeCall()
-            _nSwap(_ptr, Native.Companion.getPtr(other))
+            _nSwap(_ptr, getPtr(other))
             this
         } finally {
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(other)
         }
     }
 
@@ -834,7 +835,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetBounds(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -882,7 +883,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nComputeTightBounds(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -913,7 +914,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
                 rect.bottom
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -1572,7 +1573,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsRect(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     /**
      * Adds Rect to Path, appending [PathVerb.MOVE], three [PathVerb.LINE], and [PathVerb.CLOSE].
@@ -1609,7 +1610,6 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      *
      * @see [https://fiddle.skia.org/c/@Path_addRect](https://fiddle.skia.org/c/@Path_addRect)
      */
-    @JvmOverloads
     fun addRect(rect: Rect, dir: PathDirection = PathDirection.CLOCKWISE, start: Int = 0): Path {
         Stats.onNativeCall()
         _nAddRect(_ptr, rect.left, rect.top, rect.right, rect.bottom, dir.ordinal, start)
@@ -1657,7 +1657,6 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      *
      * @see [https://fiddle.skia.org/c/@Path_addOval](https://fiddle.skia.org/c/@Path_addOval)
      */
-    @JvmOverloads
     fun addOval(oval: Rect, dir: PathDirection = PathDirection.CLOCKWISE, start: Int = 1): Path {
         Stats.onNativeCall()
         _nAddOval(_ptr, oval.left, oval.top, oval.right, oval.bottom, dir.ordinal, start)
@@ -1691,7 +1690,6 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @param radius  distance from center to edge
      * @return        reference to Path
      */
-    @JvmOverloads
     fun addCircle(x: Float, y: Float, radius: Float, dir: PathDirection = PathDirection.CLOCKWISE): Path {
         Stats.onNativeCall()
         _nAddCircle(_ptr, x, y, radius, dir.ordinal)
@@ -1750,7 +1748,6 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      *
      * @see [https://fiddle.skia.org/c/@Path_addRRect](https://fiddle.skia.org/c/@Path_addRRect)
      */
-    @JvmOverloads
     fun addRRect(rrect: RRect, dir: PathDirection = PathDirection.CLOCKWISE, start: Int = 6): Path {
         Stats.onNativeCall()
         _nAddRRect(_ptr, rrect.left, rrect.top, rrect.right, rrect.bottom, rrect.radii, dir.ordinal, start)
@@ -1799,7 +1796,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @see [https://fiddle.skia.org/c/@Path_addPoly](https://fiddle.skia.org/c/@Path_addPoly)
      */
     fun addPoly(pts: FloatArray, close: Boolean): Path {
-        assert(pts.size % 2 == 0) { "Expected even amount of pts, got " + pts.size }
+        require(pts.size % 2 == 0) { "Expected even amount of pts, got " + pts.size }
         Stats.onNativeCall()
         _nAddPoly(_ptr, pts, close)
         return this
@@ -1828,18 +1825,17 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @param src  Path verbs, Point, and conic weights to add
      * @return     reference to Path
      */
-    @JvmOverloads
     fun addPath(src: Path?, extend: Boolean = false): Path {
         return try {
             Stats.onNativeCall()
             _nAddPath(
                 _ptr,
-                Native.Companion.getPtr(src),
+                getPtr(src),
                 extend
             )
             this
         } finally {
-            Reference.reachabilityFence(src)
+            reachabilityBarrier(src)
         }
     }
     /**
@@ -1870,20 +1866,19 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @param dy      offset added to src Point array y-axis coordinates
      * @return        reference to Path
      */
-    @JvmOverloads
     fun addPath(src: Path?, dx: Float, dy: Float, extend: Boolean = false): Path {
         return try {
             Stats.onNativeCall()
             _nAddPathOffset(
                 _ptr,
-                Native.Companion.getPtr(src),
+                getPtr(src),
                 dx,
                 dy,
                 extend
             )
             this
         } finally {
-            Reference.reachabilityFence(src)
+            reachabilityBarrier(src)
         }
     }
     /**
@@ -1914,19 +1909,18 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @param matrix  transform applied to src
      * @return        reference to Path
      */
-    @JvmOverloads
     fun addPath(src: Path?, matrix: Matrix33, extend: Boolean = false): Path {
         return try {
             Stats.onNativeCall()
             _nAddPathTransform(
                 _ptr,
-                Native.Companion.getPtr(src),
+                getPtr(src),
                 matrix.mat,
                 extend
             )
             this
         } finally {
-            Reference.reachabilityFence(src)
+            reachabilityBarrier(src)
         }
     }
 
@@ -1942,10 +1936,10 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
     fun reverseAddPath(src: Path?): Path {
         return try {
             Stats.onNativeCall()
-            _nReverseAddPath(_ptr, Native.Companion.getPtr(src))
+            _nReverseAddPath(_ptr, getPtr(src))
             this
         } finally {
-            Reference.reachabilityFence(src)
+            reachabilityBarrier(src)
         }
     }
     /**
@@ -1966,14 +1960,13 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      * @param dy  offset added to Point array y-axis coordinates
      * @return    this
      */
-    @JvmOverloads
     fun offset(dx: Float, dy: Float, dst: Path? = null): Path {
         return try {
             Stats.onNativeCall()
-            _nOffset(_ptr, dx, dy, Native.Companion.getPtr(dst))
+            _nOffset(_ptr, dx, dy, getPtr(dst))
             this
         } finally {
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(dst)
         }
     }
 
@@ -2022,19 +2015,18 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
      *
      * @see [https://fiddle.skia.org/c/@Path_transform](https://fiddle.skia.org/c/@Path_transform)
      */
-    @JvmOverloads
     fun transform(matrix: Matrix33, dst: Path? = null, applyPerspectiveClip: Boolean = true): Path {
         return try {
             Stats.onNativeCall()
             _nTransform(
                 _ptr,
                 matrix.mat,
-                Native.Companion.getPtr(dst),
+                getPtr(dst),
                 applyPerspectiveClip
             )
             this
         } finally {
-            Reference.reachabilityFence(dst)
+            reachabilityBarrier(dst)
         }
     }
 
@@ -2050,7 +2042,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetLastPt(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -2106,7 +2098,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetSegmentMasks(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     override fun iterator(): PathSegmentIterator {
@@ -2132,7 +2124,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nContains(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -2206,7 +2198,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nSerializeToBytes(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -2233,7 +2225,7 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nGetGenerationId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -2248,6 +2240,6 @@ class Path internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR),
             Stats.onNativeCall()
             _nIsValid(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PathEffect.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/PathEffect.kt

@@ -2,9 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class PathEffect internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -13,14 +13,14 @@ class PathEffect internal constructor(ptr: Long) : RefCnt(ptr) {
                 Stats.onNativeCall()
                 PathEffect(
                     _nMakePath1D(
-                        Native.Companion.getPtr(path),
+                        getPtr(path),
                         advance,
                         phase,
                         style.ordinal
                     )
                 )
             } finally {
-                Reference.reachabilityFence(path)
+                reachabilityBarrier(path)
             }
         }
 
@@ -30,11 +30,11 @@ class PathEffect internal constructor(ptr: Long) : RefCnt(ptr) {
                 PathEffect(
                     _nMakePath2D(
                         matrix.mat,
-                        Native.Companion.getPtr(path)
+                        getPtr(path)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(path)
+                reachabilityBarrier(path)
             }
         }
 
@@ -86,20 +86,20 @@ class PathEffect internal constructor(ptr: Long) : RefCnt(ptr) {
     fun makeSum(second: PathEffect?): PathEffect {
         return try {
             Stats.onNativeCall()
-            PathEffect(_nMakeSum(_ptr, Native.Companion.getPtr(second)))
+            PathEffect(_nMakeSum(_ptr, getPtr(second)))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(second)
+            reachabilityBarrier(this)
+            reachabilityBarrier(second)
         }
     }
 
     fun makeCompose(inner: PathEffect?): PathEffect {
         return try {
             Stats.onNativeCall()
-            PathEffect(_nMakeCompose(_ptr, Native.Companion.getPtr(inner)))
+            PathEffect(_nMakeCompose(_ptr, getPtr(inner)))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(inner)
+            reachabilityBarrier(this)
+            reachabilityBarrier(inner)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PathSegment.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/PathSegment.kt

 package org.jetbrains.skia
 
-import java.lang.RuntimeException
-import java.util.*
-
-class PathSegment @JvmOverloads constructor(
+class PathSegment constructor(
     val verb: PathVerb = PathVerb.DONE,
     val p0: Point? = null,
     val p1: Point? = null,
@@ -17,9 +14,9 @@ class PathSegment @JvmOverloads constructor(
     constructor(verbOrdinal: Int, x0: Float, y0: Float, isClosedContour: Boolean) : this(
         PathVerb.values().get(
             verbOrdinal
-        ), org.jetbrains.skia.Point(x0, y0), null, null, null, 0.0f, false, isClosedContour
+        ), Point(x0, y0), null, null, null, 0.0f, false, isClosedContour
     ) {
-        assert(verbOrdinal == PathVerb.MOVE.ordinal || verbOrdinal == PathVerb.CLOSE.ordinal) {
+        require(verbOrdinal == PathVerb.MOVE.ordinal || verbOrdinal == PathVerb.CLOSE.ordinal) {
             "Expected MOVE or CLOSE, got " + PathVerb.values().get(
                 verbOrdinal
             )
@@ -28,8 +25,8 @@ class PathSegment @JvmOverloads constructor(
 
     constructor(x0: Float, y0: Float, x1: Float, y1: Float, isCloseLine: Boolean, isClosedContour: Boolean) : this(
         PathVerb.LINE,
-        org.jetbrains.skia.Point(x0, y0),
-        org.jetbrains.skia.Point(x1, y1),
+        Point(x0, y0),
+        Point(x1, y1),
         null,
         null,
         0.0f,
@@ -40,9 +37,9 @@ class PathSegment @JvmOverloads constructor(
 
     constructor(x0: Float, y0: Float, x1: Float, y1: Float, x2: Float, y2: Float, isClosedContour: Boolean) : this(
         PathVerb.QUAD,
-        org.jetbrains.skia.Point(x0, y0),
-        org.jetbrains.skia.Point(x1, y1),
-        org.jetbrains.skia.Point(x2, y2),
+        Point(x0, y0),
+        Point(x1, y1),
+        Point(x2, y2),
         null,
         0.0f,
         false,
@@ -61,9 +58,9 @@ class PathSegment @JvmOverloads constructor(
         isClosedContour: Boolean
     ) : this(
         PathVerb.CONIC,
-        org.jetbrains.skia.Point(x0, y0),
-        org.jetbrains.skia.Point(x1, y1),
-        org.jetbrains.skia.Point(x2, y2),
+        Point(x0, y0),
+        Point(x1, y1),
+        Point(x2, y2),
         null,
         conicWeight,
         false,
@@ -83,10 +80,10 @@ class PathSegment @JvmOverloads constructor(
         isClosedContour: Boolean
     ) : this(
         PathVerb.CUBIC,
-        org.jetbrains.skia.Point(x0, y0),
-        org.jetbrains.skia.Point(x1, y1),
-        org.jetbrains.skia.Point(x2, y2),
-        org.jetbrains.skia.Point(x3, y3),
+        Point(x0, y0),
+        Point(x1, y1),
+        Point(x2, y2),
+        Point(x3, y3),
         0.0f,
         false,
         isClosedContour
@@ -94,26 +91,30 @@ class PathSegment @JvmOverloads constructor(
     }
 
     override fun toString(): String {
-        return "Segment(" + "verb=" + verb + (if (verb != PathVerb.DONE) ", p0=" + p0 else "") + (if (verb == PathVerb.LINE || verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) ", p1=" + p1 else "") + (if (verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) ", p2=" + p2 else "") + (if (verb == PathVerb.CUBIC) ", p3=" + p3 else "") + (if (verb == PathVerb.CONIC) ", conicWeight=" + conicWeight else "") + (if (verb == PathVerb.LINE) ", closeLine=" + isCloseLine else "") + (if (verb != PathVerb.DONE) ", closedContour=" + isClosedContour else "") + ")"
+        return "Segment(" + "verb=" + verb + (if (verb != PathVerb.DONE) ", p0=$p0" else "") + (if (verb == PathVerb.LINE || verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) ", p1=" + p1 else "") + (if (verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) ", p2=" + p2 else "") + (if (verb == PathVerb.CUBIC) ", p3=" + p3 else "") + (if (verb == PathVerb.CONIC) ", conicWeight=" + conicWeight else "") + (if (verb == PathVerb.LINE) ", closeLine=" + isCloseLine else "") + (if (verb != PathVerb.DONE) ", closedContour=" + isClosedContour else "") + ")"
     }
 
     override fun equals(o: Any?): Boolean {
         if (this === o) return true
-        if (o == null || javaClass != o.javaClass) return false
-        val segment = o as PathSegment
-        return verb == segment.verb && (if (verb != PathVerb.DONE) p0 == segment.p0 else true) && (if (verb == PathVerb.LINE || verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) p1 == segment.p1 else true) && (if (verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) p2 == segment.p2 else true) && (if (verb == PathVerb.CUBIC) p3 == segment.p3 else true) && (if (verb == PathVerb.CONIC) java.lang.Float.compare(
-            segment.conicWeight,
-            conicWeight
-        ) == 0 else true) && (if (verb == PathVerb.LINE) isCloseLine == segment.isCloseLine else true) && if (verb != PathVerb.DONE) isClosedContour == segment.isClosedContour else true
+        if (o == null || o !is PathSegment) return false
+        val segment = o
+        return verb == segment.verb &&
+                (if (verb != PathVerb.DONE) p0 == segment.p0 else true) &&
+                (if (verb == PathVerb.LINE || verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) p1 == segment.p1 else true) &&
+                (if (verb == PathVerb.QUAD || verb == PathVerb.CONIC || verb == PathVerb.CUBIC) p2 == segment.p2 else true) &&
+                (if (verb == PathVerb.CUBIC) p3 == segment.p3 else true) &&
+                (if (verb == PathVerb.CONIC) segment.conicWeight.compareTo(conicWeight) == 0 else true) &&
+                (if (verb == PathVerb.LINE) isCloseLine == segment.isCloseLine else true) &&
+                if (verb != PathVerb.DONE) isClosedContour == segment.isClosedContour else true
     }
 
     override fun hashCode(): Int {
         return when (verb) {
-            PathVerb.DONE -> Objects.hash(verb)
-            PathVerb.MOVE -> Objects.hash(verb, p0, isClosedContour)
-            PathVerb.LINE -> Objects.hash(verb, p0, p1, isCloseLine, isClosedContour)
-            PathVerb.QUAD -> Objects.hash(verb, p0, p1, p2, isClosedContour)
-            PathVerb.CONIC -> Objects.hash(
+            PathVerb.DONE -> objectHashes(verb)
+            PathVerb.MOVE -> objectHashes(verb, p0, isClosedContour)
+            PathVerb.LINE -> objectHashes(verb, p0, p1, isCloseLine, isClosedContour)
+            PathVerb.QUAD -> objectHashes(verb, p0, p1, p2, isClosedContour)
+            PathVerb.CONIC -> objectHashes(
                 verb,
                 p0,
                 p1,
@@ -121,8 +122,12 @@ class PathSegment @JvmOverloads constructor(
                 conicWeight,
                 isClosedContour
             )
-            PathVerb.CUBIC -> Objects.hash(verb, p0, p1, p2, p3, isClosedContour)
+            PathVerb.CUBIC -> objectHashes(verb, p0, p1, p2, p3, isClosedContour)
             else -> throw RuntimeException("Unreachable")
         }
     }
 }
+
+internal fun objectHashes(vararg args: Any?): Int {
+    return args.contentHashCode()
+}
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PathSegmentIterator.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/PathSegmentIterator.kt

@@ -2,10 +2,8 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
-import java.util.NoSuchElementException
+import org.jetbrains.skia.impl.reachabilityBarrier
 
 class PathSegmentIterator internal constructor(val _path: Path?, ptr: Long) : Managed(ptr, _nGetFinalizer()),
     MutableIterator<PathSegment?> {
@@ -13,12 +11,12 @@ class PathSegmentIterator internal constructor(val _path: Path?, ptr: Long) : Ma
         fun make(path: Path?, forceClose: Boolean): PathSegmentIterator {
             return try {
                 val ptr =
-                    _nMake(Native.Companion.getPtr(path), forceClose)
+                    _nMake(getPtr(path), forceClose)
                 val i = PathSegmentIterator(path, ptr)
                 i._nextSegment = _nNext(ptr)
                 i
             } finally {
-                Reference.reachabilityFence(path)
+                reachabilityBarrier(path)
             }
         }
 
@@ -39,7 +37,7 @@ class PathSegmentIterator internal constructor(val _path: Path?, ptr: Long) : Ma
             _nextSegment = _nNext(_ptr)
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Picture.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Picture.kt

@@ -2,10 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
-import java.util.function.BooleanSupplier
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -17,10 +16,10 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
         fun makeFromData(data: Data?): Picture? {
             return try {
                 Stats.onNativeCall()
-                val ptr = _nMakeFromData(Native.getPtr(data))
+                val ptr = _nMakeFromData(getPtr(data))
                 if (ptr == 0L) null else Picture(ptr)
             } finally {
-                Reference.reachabilityFence(data)
+                reachabilityBarrier(data)
             }
         }
 
@@ -94,14 +93,13 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
      *
      * @see [https://fiddle.skia.org/c/@Picture_playback](https://fiddle.skia.org/c/@Picture_playback)
      */
-    @JvmOverloads
     fun playback(canvas: Canvas?, abort: BooleanSupplier? = null): Picture {
         return try {
             Stats.onNativeCall()
-            _nPlayback(_ptr, Native.Companion.getPtr(canvas), abort)
+            _nPlayback(_ptr, getPtr(canvas), abort)
             this
         } finally {
-            Reference.reachabilityFence(canvas)
+            reachabilityBarrier(canvas)
         }
     }
 
@@ -123,7 +121,7 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetCullRect(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -136,7 +134,7 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetUniqueId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -147,9 +145,9 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
     fun serializeToData(): Data {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.Data(_nSerializeToData(_ptr))
+            Data(_nSerializeToData(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -168,7 +166,7 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetApproximateOpCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -184,7 +182,7 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetApproximateBytesUsed(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     /**
      * Return a new shader that will draw with this picture.
@@ -219,7 +217,6 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
      * @param localMatrix  Optional matrix used when sampling
      * @return             Returns a new shader object. Note: this function never returns null.
      */
-    @JvmOverloads
     fun makeShader(
         tmx: FilterTileMode,
         tmy: FilterTileMode,
@@ -232,7 +229,7 @@ class Picture internal constructor(ptr: Long) : RefCnt(ptr) {
             val arr = localMatrix?.mat
             Shader(_nMakeShader(_ptr, tmx.ordinal, tmy.ordinal, mode.ordinal, arr, tileRect))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PixelRef.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/PixelRef.kt

@@ -3,7 +3,8 @@ package org.jetbrains.skia
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class PixelRef internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -25,21 +26,21 @@ class PixelRef internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetWidth(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val height: Int
         get() = try {
             Stats.onNativeCall()
             _nGetHeight(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val rowBytes: Long
         get() = try {
             Stats.onNativeCall()
             _nGetRowBytes(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -52,7 +53,7 @@ class PixelRef internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetGenerationId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -75,7 +76,7 @@ class PixelRef internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nIsImmutable(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Pixmap.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Pixmap.kt

 package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.*
-import java.lang.ref.Reference
-import java.nio.ByteBuffer
+import kotlin.jvm.JvmStatic
 
 class Pixmap internal constructor(ptr: Long, managed: Boolean) :
     Managed(ptr, _FinalizerHolder.PTR, managed) {
@@ -13,7 +12,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
     fun reset() {
         Stats.onNativeCall()
         _nReset(_ptr)
-        Reference.reachabilityFence(this)
+        reachabilityBarrier(this)
     }
 
     fun reset(info: ImageInfo, addr: Long, rowBytes: Int) {
@@ -23,10 +22,10 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
             info.width, info.height,
             info.colorInfo.colorType.ordinal,
             info.colorInfo.alphaType.ordinal,
-            Native.getPtr(info.colorInfo.colorSpace), addr, rowBytes
+            getPtr(info.colorInfo.colorSpace), addr, rowBytes
         )
-        Reference.reachabilityFence(this)
-        Reference.reachabilityFence(info.colorInfo.colorSpace)
+        reachabilityBarrier(this)
+        reachabilityBarrier(info.colorInfo.colorSpace)
     }
 
     fun reset(info: ImageInfo, buffer: ByteBuffer, rowBytes: Int) {
@@ -35,9 +34,9 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
 
     fun setColorSpace(colorSpace: ColorSpace?) {
         Stats.onNativeCall()
-        _nSetColorSpace(_ptr, Native.Companion.getPtr(colorSpace))
-        Reference.reachabilityFence(this)
-        Reference.reachabilityFence(colorSpace)
+        _nSetColorSpace(_ptr, getPtr(colorSpace))
+        reachabilityBarrier(this)
+        reachabilityBarrier(colorSpace)
     }
 
     fun extractSubset(subsetPtr: Long, area: IRect): Boolean {
@@ -52,7 +51,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
                 area.bottom
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -66,7 +65,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
             return try {
                 _nGetInfo(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val rowBytes: Int
@@ -75,7 +74,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
             return try {
                 _nGetRowBytes(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val addr: Long
@@ -84,7 +83,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
             return try {
                 _nGetAddr(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val rowBytesAsPixels: Int
@@ -93,7 +92,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
             return try {
                 _nGetRowBytesAsPixels(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
 
@@ -102,7 +101,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nComputeByteSize(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -111,7 +110,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nComputeIsOpaque(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -120,7 +119,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nGetColor(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -129,7 +128,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nGetAlphaF(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -138,7 +137,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nGetAddrAt(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -150,11 +149,11 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
                 info.width, info.height,
                 info.colorInfo.colorType.ordinal,
                 info.colorInfo.alphaType.ordinal,
-                Native.getPtr(info.colorInfo.colorSpace), addr, rowBytes
+                getPtr(info.colorInfo.colorSpace), addr, rowBytes
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(info.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(info.colorInfo.colorSpace)
         }
     }
 
@@ -166,12 +165,12 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
                 info.width, info.height,
                 info.colorInfo.colorType.ordinal,
                 info.colorInfo.alphaType.ordinal,
-                Native.getPtr(info.colorInfo.colorSpace), addr, rowBytes,
+                getPtr(info.colorInfo.colorSpace), addr, rowBytes,
                 srcX, srcY
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(info.colorInfo.colorSpace)
+            reachabilityBarrier(this)
+            reachabilityBarrier(info.colorInfo.colorSpace)
         }
     }
 
@@ -180,11 +179,11 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nReadPixelsToPixmap(
                 _ptr,
-                Native.Companion.getPtr(pixmap)
+                getPtr(pixmap)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(pixmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(pixmap)
         }
     }
 
@@ -193,13 +192,13 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nReadPixelsToPixmapFromPoint(
                 _ptr,
-                Native.Companion.getPtr(pixmap),
+                getPtr(pixmap),
                 srcX,
                 srcY
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(pixmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(pixmap)
         }
     }
 
@@ -208,12 +207,12 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nScalePixels(
                 _ptr,
-                Native.Companion.getPtr(dstPixmap),
+                getPtr(dstPixmap),
                 samplingMode._pack()
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(dstPixmap)
+            reachabilityBarrier(this)
+            reachabilityBarrier(dstPixmap)
         }
     }
 
@@ -222,7 +221,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
         return try {
             _nErase(_ptr, color)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -238,7 +237,7 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
                 subset.bottom
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -260,12 +259,12 @@ class Pixmap internal constructor(ptr: Long, managed: Boolean) :
                     info.width, info.height,
                     info.colorInfo.colorType.ordinal,
                     info.colorInfo.alphaType.ordinal,
-                    Native.Companion.getPtr(info.colorInfo.colorSpace), addr, rowBytes
+                    getPtr(info.colorInfo.colorSpace), addr, rowBytes
                 )
                 require(ptr != 0L) { "Failed to create Pixmap." }
                 Pixmap(ptr, true)
             } finally {
-                Reference.reachabilityFence(info.colorInfo.colorSpace)
+                reachabilityBarrier(info.colorInfo.colorSpace)
             }
         }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/RSXform.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/RSXform.kt

 package org.jetbrains.skia
 
+import kotlin.math.cos
+import kotlin.math.sin
+
 /**
  *
  * A compressed form of a rotation+scale matrix.
@@ -20,10 +23,10 @@ class RSXform(
         if (o !is RSXform) return false
         val other = o
         if (!other.canEqual(this as Any)) return false
-        if (java.lang.Float.compare(scos, other.scos) != 0) return false
-        if (java.lang.Float.compare(ssin, other.ssin) != 0) return false
-        if (java.lang.Float.compare(tx, other.tx) != 0) return false
-        return if (java.lang.Float.compare(ty, other.ty) != 0) false else true
+        if (scos.compareTo(other.scos) != 0) return false
+        if (ssin.compareTo(other.ssin) != 0) return false
+        if (tx.compareTo(other.tx) != 0) return false
+        return ty.compareTo(other.ty) == 0
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -33,15 +36,15 @@ class RSXform(
     override fun hashCode(): Int {
         val PRIME = 59
         var result = 1
-        result = result * PRIME + java.lang.Float.floatToIntBits(scos)
-        result = result * PRIME + java.lang.Float.floatToIntBits(ssin)
-        result = result * PRIME + java.lang.Float.floatToIntBits(tx)
-        result = result * PRIME + java.lang.Float.floatToIntBits(ty)
+        result = result * PRIME + scos.toBits()
+        result = result * PRIME + ssin.toBits()
+        result = result * PRIME + tx.toBits()
+        result = result * PRIME + ty.toBits()
         return result
     }
 
     override fun toString(): String {
-        return "RSXform(_scos=" + scos + ", _ssin=" + ssin + ", _tx=" + tx + ", _ty=" + ty + ")"
+        return "RSXform(_scos=$scos, _ssin=$ssin, _tx=$tx, _ty=$ty)"
     }
 
     companion object {
@@ -52,8 +55,8 @@ class RSXform(
          * Note: the anchor point is not normalized (e.g. 0...1) but is in pixels of the src image.
          */
         fun makeFromRadians(scale: Float, radians: Float, tx: Float, ty: Float, ax: Float, ay: Float): RSXform {
-            val s = Math.sin(radians.toDouble()).toFloat() * scale
-            val c = Math.cos(radians.toDouble()).toFloat() * scale
+            val s = sin(radians.toDouble()).toFloat() * scale
+            val c = cos(radians.toDouble()).toFloat() * scale
             return RSXform(c, s, tx + -c * ax + s * ay, ty + -s * ax - c * ay)
         }
     }

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Region.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Region.kt

@@ -2,9 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
     companion object {
@@ -71,10 +71,10 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
     fun set(r: Region?): Boolean {
         return try {
             Stats.onNativeCall()
-            _nSet(_ptr, Native.Companion.getPtr(r))
+            _nSet(_ptr, getPtr(r))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -83,28 +83,28 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nIsEmpty(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val isRect: Boolean
         get() = try {
             Stats.onNativeCall()
             _nIsRect(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val isComplex: Boolean
         get() = try {
             Stats.onNativeCall()
             _nIsComplex(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     val bounds: IRect
         get() = try {
             Stats.onNativeCall()
             _nGetBounds(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     fun computeRegionComplexity(): Int {
@@ -112,7 +112,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nComputeRegionComplexity(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -121,11 +121,11 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nGetBoundaryPath(
                 _ptr,
-                Native.Companion.getPtr(p)
+                getPtr(p)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(p)
+            reachabilityBarrier(this)
+            reachabilityBarrier(p)
         }
     }
 
@@ -134,7 +134,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nSetEmpty(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -143,7 +143,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nSetRect(_ptr, rect.left, rect.top, rect.right, rect.bottom)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -159,17 +159,17 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nSetRects(_ptr, arr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     fun setRegion(r: Region?): Boolean {
         return try {
             Stats.onNativeCall()
-            _nSetRegion(_ptr, Native.Companion.getPtr(r))
+            _nSetRegion(_ptr, getPtr(r))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -178,13 +178,13 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nSetPath(
                 _ptr,
-                Native.Companion.getPtr(path),
-                Native.Companion.getPtr(clip)
+                getPtr(path),
+                getPtr(clip)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(path)
-            Reference.reachabilityFence(clip)
+            reachabilityBarrier(this)
+            reachabilityBarrier(path)
+            reachabilityBarrier(clip)
         }
     }
 
@@ -193,7 +193,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nIntersectsIRect(_ptr, rect.left, rect.top, rect.right, rect.bottom)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -202,11 +202,11 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nIntersectsRegion(
                 _ptr,
-                Native.Companion.getPtr(r)
+                getPtr(r)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -215,7 +215,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nContainsIPoint(_ptr, x, y)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -224,17 +224,17 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nContainsIRect(_ptr, rect.left, rect.top, rect.right, rect.bottom)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     operator fun contains(r: Region?): Boolean {
         return try {
             Stats.onNativeCall()
-            _nContainsRegion(_ptr, Native.Companion.getPtr(r))
+            _nContainsRegion(_ptr, getPtr(r))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -243,7 +243,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nQuickContains(_ptr, rect.left, rect.top, rect.right, rect.bottom)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -252,7 +252,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nQuickRejectIRect(_ptr, rect.left, rect.top, rect.right, rect.bottom)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -261,11 +261,11 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nQuickRejectRegion(
                 _ptr,
-                Native.Companion.getPtr(r)
+                getPtr(r)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -274,7 +274,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nTranslate(_ptr, dx, dy)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -290,7 +290,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
                 op.ordinal
             )
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -299,12 +299,12 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nOpRegion(
                 _ptr,
-                Native.Companion.getPtr(r),
+                getPtr(r),
                 op.ordinal
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -317,12 +317,12 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
                 rect.top,
                 rect.right,
                 rect.bottom,
-                Native.Companion.getPtr(r),
+                getPtr(r),
                 op.ordinal
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -331,7 +331,7 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nOpRegionIRect(
                 _ptr,
-                Native.Companion.getPtr(r),
+                getPtr(r),
                 rect.left,
                 rect.top,
                 rect.right,
@@ -339,8 +339,8 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
                 op.ordinal
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(r)
+            reachabilityBarrier(this)
+            reachabilityBarrier(r)
         }
     }
 
@@ -349,14 +349,14 @@ class Region : Managed(_nMake(), _FinalizerHolder.PTR) {
             Stats.onNativeCall()
             _nOpRegionRegion(
                 _ptr,
-                Native.Companion.getPtr(a),
-                Native.Companion.getPtr(b),
+                getPtr(a),
+                getPtr(b),
                 op.ordinal
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(a)
-            Reference.reachabilityFence(b)
+            reachabilityBarrier(this)
+            reachabilityBarrier(a)
+            reachabilityBarrier(b)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Shader.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Shader.kt

@@ -2,9 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -27,7 +27,6 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             return makeLinearGradient(p0.x, p0.y, p1.x, p1.y, colors, positions, style)
         }
 
-        @JvmOverloads
         fun makeLinearGradient(
             x0: Float,
             y0: Float,
@@ -37,7 +36,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             positions: FloatArray? = null,
             style: GradientStyle = GradientStyle.Companion.DEFAULT
         ): Shader {
-            assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+            require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
             Stats.onNativeCall()
             return Shader(
                 _nMakeLinearGradient(
@@ -76,7 +75,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             style: GradientStyle
         ): Shader {
             return try {
-                assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+                require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
                 Stats.onNativeCall()
                 Shader(
                     _nMakeLinearGradientCS(
@@ -84,8 +83,8 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                         y0,
                         x1,
                         y1,
-                        Color4f.Companion.flattenArray(colors),
-                        Native.Companion.getPtr(cs),
+                        Color4f.flattenArray(colors),
+                        getPtr(cs),
                         positions,
                         style.tileMode.ordinal,
                         style._getFlags(),
@@ -93,7 +92,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                     )
                 )
             } finally {
-                Reference.reachabilityFence(cs)
+                reachabilityBarrier(cs)
             }
         }
 
@@ -116,7 +115,6 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             return makeRadialGradient(center.x, center.y, r, colors, positions, style)
         }
 
-        @JvmOverloads
         fun makeRadialGradient(
             x: Float,
             y: Float,
@@ -125,7 +123,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             positions: FloatArray? = null,
             style: GradientStyle = GradientStyle.Companion.DEFAULT
         ): Shader {
-            assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+            require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
             Stats.onNativeCall()
             return Shader(
                 _nMakeRadialGradient(
@@ -162,15 +160,15 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             style: GradientStyle
         ): Shader {
             return try {
-                assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+                require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
                 Stats.onNativeCall()
                 Shader(
                     _nMakeRadialGradientCS(
                         x,
                         y,
                         r,
-                        Color4f.Companion.flattenArray(colors),
-                        Native.Companion.getPtr(cs),
+                        Color4f.flattenArray(colors),
+                        getPtr(cs),
                         positions,
                         style.tileMode.ordinal,
                         style._getFlags(),
@@ -178,7 +176,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                     )
                 )
             } finally {
-                Reference.reachabilityFence(cs)
+                reachabilityBarrier(cs)
             }
         }
 
@@ -210,7 +208,6 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             return makeTwoPointConicalGradient(p0.x, p0.y, r0, p1.x, p1.y, r1, colors, positions, style)
         }
 
-        @JvmOverloads
         fun makeTwoPointConicalGradient(
             x0: Float,
             y0: Float,
@@ -222,7 +219,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             positions: FloatArray? = null,
             style: GradientStyle = GradientStyle.Companion.DEFAULT
         ): Shader {
-            assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+            require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
             Stats.onNativeCall()
             return Shader(
                 _nMakeTwoPointConicalGradient(
@@ -267,7 +264,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             style: GradientStyle
         ): Shader {
             return try {
-                assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+                require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
                 Stats.onNativeCall()
                 Shader(
                     _nMakeTwoPointConicalGradientCS(
@@ -277,8 +274,8 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                         x1,
                         y1,
                         r1,
-                        Color4f.Companion.flattenArray(colors),
-                        Native.Companion.getPtr(cs),
+                        Color4f.flattenArray(colors),
+                        getPtr(cs),
                         positions,
                         style.tileMode.ordinal,
                         style._getFlags(),
@@ -286,7 +283,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                     )
                 )
             } finally {
-                Reference.reachabilityFence(cs)
+                reachabilityBarrier(cs)
             }
         }
 
@@ -341,7 +338,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             positions: FloatArray?,
             style: GradientStyle
         ): Shader {
-            assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+            require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
             Stats.onNativeCall()
             return Shader(
                 _nMakeSweepGradient(
@@ -381,7 +378,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
             style: GradientStyle
         ): Shader {
             return try {
-                assert(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
+                require(positions == null || colors.size == positions.size) { "colors.length " + colors.size + "!= positions.length " + positions!!.size }
                 Stats.onNativeCall()
                 Shader(
                     _nMakeSweepGradientCS(
@@ -389,8 +386,8 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                         y,
                         startAngle,
                         endAngle,
-                        Color4f.Companion.flattenArray(colors),
-                        Native.Companion.getPtr(cs),
+                        Color4f.flattenArray(colors),
+                        getPtr(cs),
                         positions,
                         style.tileMode.ordinal,
                         style._getFlags(),
@@ -398,7 +395,7 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                     )
                 )
             } finally {
-                Reference.reachabilityFence(cs)
+                reachabilityBarrier(cs)
             }
         }
 
@@ -422,11 +419,11 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                         color.g,
                         color.b,
                         color.a,
-                        Native.Companion.getPtr(space)
+                        getPtr(space)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(space)
+                reachabilityBarrier(space)
             }
         }
 
@@ -436,13 +433,13 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
                 Shader(
                     _nMakeBlend(
                         mode.ordinal,
-                        Native.Companion.getPtr(dst),
-                        Native.Companion.getPtr(src)
+                        getPtr(dst),
+                        getPtr(src)
                     )
                 )
             } finally {
-                Reference.reachabilityFence(dst)
-                Reference.reachabilityFence(src)
+                reachabilityBarrier(dst)
+                reachabilityBarrier(src)
             }
         }
 
@@ -561,10 +558,10 @@ class Shader internal constructor(ptr: Long) : RefCnt(ptr) {
 
     fun makeWithColorFilter(f: ColorFilter?): Shader {
         return try {
-            Shader(_nMakeWithColorFilter(_ptr, Native.Companion.getPtr(f)))
+            Shader(_nMakeWithColorFilter(_ptr, getPtr(f)))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(f)
+            reachabilityBarrier(this)
+            reachabilityBarrier(f)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/SurfaceProps.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/SurfaceProps.kt

 package org.jetbrains.skia
 
-
-class SurfaceProps @JvmOverloads constructor(
+class SurfaceProps constructor(
     internal val isDeviceIndependentFonts: Boolean = false,
     internal val pixelGeometry: PixelGeometry = PixelGeometry.UNKNOWN
 ) {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/TextBlob.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/TextBlob.kt

@@ -2,10 +2,9 @@ package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.IllegalArgumentException
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR) {
     companion object {
@@ -21,17 +20,17 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
          */
         fun makeFromPosH(glyphs: ShortArray, xpos: FloatArray, ypos: Float, font: Font?): TextBlob? {
             return try {
-                assert(glyphs.size == xpos.size) { "glyphs.length " + glyphs.size + " != xpos.length " + xpos.size }
+                require(glyphs.size == xpos.size) { "glyphs.length " + glyphs.size + " != xpos.length " + xpos.size }
                 Stats.onNativeCall()
                 val ptr = _nMakeFromPosH(
                     glyphs,
                     xpos,
                     ypos,
-                    Native.Companion.getPtr(font)
+                    getPtr(font)
                 )
                 if (ptr == 0L) null else TextBlob(ptr)
             } finally {
-                Reference.reachabilityFence(font)
+                reachabilityBarrier(font)
             }
         }
 
@@ -46,7 +45,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
          */
         fun makeFromPos(glyphs: ShortArray, pos: Array<Point>, font: Font?): TextBlob? {
             return try {
-                assert(glyphs.size == pos.size) { "glyphs.length " + glyphs.size + " != pos.length " + pos.size }
+                require(glyphs.size == pos.size) { "glyphs.length " + glyphs.size + " != pos.length " + pos.size }
                 val floatPos = FloatArray(pos.size * 2)
                 for (i in pos.indices) {
                     floatPos[i * 2] = pos[i].x
@@ -54,16 +53,16 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
                 }
                 Stats.onNativeCall()
                 val ptr =
-                    _nMakeFromPos(glyphs, floatPos, Native.Companion.getPtr(font))
+                    _nMakeFromPos(glyphs, floatPos, getPtr(font))
                 if (ptr == 0L) null else TextBlob(ptr)
             } finally {
-                Reference.reachabilityFence(font)
+                reachabilityBarrier(font)
             }
         }
 
         fun makeFromRSXform(glyphs: ShortArray, xform: Array<RSXform>, font: Font?): TextBlob? {
             return try {
-                assert(glyphs.size == xform.size) { "glyphs.length " + glyphs.size + " != xform.length " + xform.size }
+                require(glyphs.size == xform.size) { "glyphs.length " + glyphs.size + " != xform.length " + xform.size }
                 val floatXform = FloatArray(xform.size * 4)
                 for (i in xform.indices) {
                     floatXform[i * 4] = xform[i].scos
@@ -75,21 +74,21 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
                 val ptr = _nMakeFromRSXform(
                     glyphs,
                     floatXform,
-                    Native.Companion.getPtr(font)
+                    getPtr(font)
                 )
                 if (ptr == 0L) null else TextBlob(ptr)
             } finally {
-                Reference.reachabilityFence(font)
+                reachabilityBarrier(font)
             }
         }
 
         fun makeFromData(data: Data?): TextBlob? {
             return try {
                 Stats.onNativeCall()
-                val ptr = _nMakeFromData(Native.Companion.getPtr(data))
+                val ptr = _nMakeFromData(getPtr(data))
                 if (ptr == 0L) null else TextBlob(ptr)
             } finally {
-                Reference.reachabilityFence(data)
+                reachabilityBarrier(data)
             }
         }
 
@@ -127,7 +126,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nBounds(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -140,7 +139,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetUniqueId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -183,20 +182,20 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
                 _ptr,
                 lowerBound,
                 upperBound,
-                Native.Companion.getPtr(paint)
+                getPtr(paint)
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(paint)
+            reachabilityBarrier(this)
+            reachabilityBarrier(paint)
         }
     }
 
     fun serializeToData(): Data {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.Data(_nSerializeToData(_ptr))
+            Data(_nSerializeToData(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -208,7 +207,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetGlyphs(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -230,7 +229,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetPositions(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -245,7 +244,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             val res = _nGetClusters(_ptr) ?: throw IllegalArgumentException()
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -260,7 +259,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             val res = _nGetTightBounds(_ptr) ?: throw IllegalArgumentException()
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -275,7 +274,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             val res = _nGetBlockBounds(_ptr) ?: throw IllegalArgumentException()
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -290,7 +289,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             val res = _nGetFirstBaseline(_ptr) ?: throw IllegalArgumentException()
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -305,7 +304,7 @@ class TextBlob internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             val res = _nGetLastBaseline(_ptr) ?: throw IllegalArgumentException()
             res
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     private object _FinalizerHolder {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/TextLine.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/TextLine.kt

 package org.jetbrains.skia
 
-import org.jetbrains.skia.impl.Library
-import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Stats
+import org.jetbrains.skia.impl.*
 import org.jetbrains.skia.shaper.*
-import java.lang.ref.Reference
+import kotlin.jvm.JvmStatic
 
 class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR) {
     companion object {
@@ -13,7 +11,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
         }
 
         fun make(text: String?, font: Font?, opts: ShapingOptions?): TextLine {
-            Shaper.makeShapeDontWrapOrReorder().use { shaper -> return shaper.shapeLine(text, font, opts!!) }
+            return Shaper.makeShapeDontWrapOrReorder().use { shaper -> shaper.shapeLine(text, font, opts!!) }
         }
 
         @JvmStatic external fun _nGetFinalizer(): Long
@@ -49,7 +47,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetAscent(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val capHeight: Float
@@ -58,7 +56,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetCapHeight(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val xHeight: Float
@@ -67,7 +65,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetXHeight(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val descent: Float
@@ -76,7 +74,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetDescent(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val leading: Float
@@ -85,7 +83,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetLeading(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val width: Float
@@ -94,7 +92,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetWidth(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val height: Float
@@ -103,7 +101,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetHeight(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val textBlob: TextBlob?
@@ -113,7 +111,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
                 val res = _nGetTextBlob(_ptr)
                 if (res == 0L) null else TextBlob(res)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
     val glyphs: ShortArray
@@ -122,7 +120,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetGlyphs(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
 
@@ -135,7 +133,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             return try {
                 _nGetPositions(_ptr)
             } finally {
-                Reference.reachabilityFence(this)
+                reachabilityBarrier(this)
             }
         }
 
@@ -148,7 +146,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetOffsetAtCoord(_ptr, x)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -161,7 +159,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetLeftOffsetAtCoord(_ptr, x)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -174,7 +172,7 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
             Stats.onNativeCall()
             _nGetCoordAtOffset(_ptr, offset)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -207,10 +205,10 @@ class TextLine internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.P
      */
     fun getIntercepts(lowerBound: Float, upperBound: Float, paint: Paint?): FloatArray? {
         try {
-            textBlob.use { blob -> return blob?.getIntercepts(lowerBound, upperBound, paint) }
+            textBlob!!.use { blob -> return blob.getIntercepts(lowerBound, upperBound, paint) }
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(paint)
+            reachabilityBarrier(this)
+            reachabilityBarrier(paint)
         }
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Typeface.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/Typeface.kt

@@ -4,9 +4,8 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.impl.RefCnt
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
-import java.util.*
-import kotlin.streams.toList
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
     companion object {
@@ -38,7 +37,6 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
          * @return  a new typeface given a file
          * @throws IllegalArgumentException  If the file does not exist, or is not a valid font file
          */
-        @JvmOverloads
         fun makeFromFile(path: String, index: Int = 0): Typeface {
             Stats.onNativeCall()
             val ptr = _nMakeFromFile(path, index)
@@ -53,15 +51,14 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
          * @return  a new typeface given a Data
          * @throws IllegalArgumentException  If the data is null, or is not a valid font file
          */
-        @JvmOverloads
         fun makeFromData(data: Data, index: Int = 0): Typeface {
             return try {
                 Stats.onNativeCall()
-                val ptr = _nMakeFromData(Native.Companion.getPtr(data), index)
+                val ptr = _nMakeFromData(getPtr(data), index)
                 require(ptr != 0L) { "Failed to create Typeface from data $data" }
                 Typeface(ptr)
             } finally {
-                Reference.reachabilityFence(data)
+                reachabilityBarrier(data)
             }
         }
 
@@ -102,14 +99,14 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             org.jetbrains.skia.FontStyle(_nGetFontStyle(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
      * @return  true if [.getFontStyle] has the bold bit set
      */
     val isBold: Boolean
-        get() = fontStyle.weight >= FontWeight.Companion.SEMI_BOLD
+        get() = fontStyle.weight >= FontWeight.SEMI_BOLD
 
     /**
      * @return  true if [.getFontStyle] has the italic bit set
@@ -126,7 +123,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nIsFixedPitch(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -138,7 +135,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetVariations(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -150,7 +147,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetVariationAxes(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -161,7 +158,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetUniqueId(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -169,10 +166,10 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
      */
     override fun _nativeEquals(other: Native?): Boolean {
         return try {
-            _nEquals(_ptr, Native.Companion.getPtr(other))
+            _nEquals(_ptr, getPtr(other))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(other)
+            reachabilityBarrier(this)
+            reachabilityBarrier(other)
         }
     }
 
@@ -200,20 +197,17 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
      * @return  same typeface if all variation already match, new typeface otherwise
      * @throws IllegalArgumentException  on failure
      */
-    @JvmOverloads
     fun makeClone(variations: Array<FontVariation>, collectionIndex: Int = 0): Typeface {
         return try {
             if (variations.size == 0) return this
             Stats.onNativeCall()
             val ptr = _nMakeClone(_ptr, variations, collectionIndex)
             require(ptr != 0L) {
-                "Failed to clone Typeface $this with " + Arrays.toString(
-                    variations
-                )
+                "Failed to clone Typeface $this with $variations"
             }
             Typeface(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -223,7 +217,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
      * @return  the corresponding glyph ids for each character.
      */
     fun getStringGlyphs(s: String): ShortArray {
-        return getUTF32Glyphs(s.codePoints().toArray())
+        return getUTF32Glyphs(s.intCodePoints())
     }
 
     /**
@@ -236,7 +230,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetUTF32Glyphs(_ptr, uni)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -249,7 +243,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetUTF32Glyph(_ptr, unichar)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -261,7 +255,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetGlyphsCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -272,7 +266,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetTablesCount(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -281,11 +275,9 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
     val tableTags: Array<String>
         get() = try {
             Stats.onNativeCall()
-            Arrays.stream(_nGetTableTags(_ptr))
-                .mapToObj { tag: Int -> FourByteTag.toString(tag) }
-                .toList().toTypedArray()
+            _nGetTableTags(_ptr)!!.map { tag -> FourByteTag.toString(tag) }.toTypedArray()
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -294,9 +286,9 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
     fun getTableSize(tag: String): Long {
         return try {
             Stats.onNativeCall()
-            _nGetTableSize(_ptr, FourByteTag.Companion.fromString(tag))
+            _nGetTableSize(_ptr, FourByteTag.fromString(tag))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -310,10 +302,10 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
     fun getTableData(tag: String): Data? {
         return try {
             Stats.onNativeCall()
-            val ptr = _nGetTableData(_ptr, FourByteTag.Companion.fromString(tag))
-            if (ptr == 0L) null else org.jetbrains.skia.Data(ptr)
+            val ptr = _nGetTableData(_ptr, FourByteTag.fromString(tag))
+            if (ptr == 0L) null else Data(ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -325,7 +317,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetUnitsPerEm(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -345,7 +337,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetKerningPairAdjustments(_ptr, glyphs)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
@@ -357,7 +349,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetFamilyNames(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -368,7 +360,7 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetFamilyName(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 
     /**
@@ -381,6 +373,6 @@ class Typeface internal constructor(ptr: Long) : RefCnt(ptr) {
             Stats.onNativeCall()
             _nGetBounds(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/impl/BufferUtil.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/impl/BufferUtil.kt

 package org.jetbrains.skia.impl
 
-import java.nio.ByteBuffer
+import org.jetbrains.skia.ByteBuffer
+import kotlin.jvm.JvmStatic
 
 object BufferUtil {
     fun getByteBufferFromPointer(ptr: Long, size: Int): ByteBuffer {

skiko/src/commonMain/kotlin/org/jetbrains/skia/impl/Managed.kt

 package org.jetbrains.skia.impl
 
 expect abstract class Managed(ptr: Long, finalizer: Long, managed: Boolean = true) : Native {
-    open fun close()
+    open fun close(): Unit
+}
+
+inline fun <T: Managed, R> T.use(block: (T) -> R): R {
+    return try {
+        block(this)
+    } finally {
+        this.close()
+    }
 }
\ No newline at end of file

skiko/src/commonMain/kotlin/org/jetbrains/skia/impl/Native.kt

@@ -6,6 +6,8 @@ expect abstract class Native(ptr: Long) {
     companion object {
         fun getPtr(n: Native?): Long
     }
+
+    open fun _nativeEquals(other: Native?): Boolean
 }
 
 expect fun reachabilityBarrier(obj: Any?)

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/FontMgrRunIterator.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/FontMgrRunIterator.kt

@@ -4,7 +4,8 @@ import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.*
 import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class FontMgrRunIterator(text: ManagedString?, manageText: Boolean, font: Font?, opts: ShapingOptions) :
     ManagedRunIterator<FontRun?>(
@@ -25,17 +26,17 @@ class FontMgrRunIterator(text: ManagedString?, manageText: Boolean, font: Font?,
     override operator fun next(): FontRun {
         return try {
             _nConsume(_ptr)
-            FontRun(_getEndOfCurrentRun(), org.jetbrains.skia.Font(_nGetCurrentFont(_ptr)))
+            FontRun(_getEndOfCurrentRun(), Font(_nGetCurrentFont(_ptr)))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     init {
         Stats.onNativeCall()
-        Reference.reachabilityFence(text)
-        Reference.reachabilityFence(font)
-        Reference.reachabilityFence(opts)
+        reachabilityBarrier(text)
+        reachabilityBarrier(font)
+        reachabilityBarrier(opts)
     }
 
     override fun remove() {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/FontRun.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/FontRun.kt

@@ -2,14 +2,14 @@ package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.*
 import org.jetbrains.skia.impl.Native
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
 
 class FontRun(internal val end: Int, internal val font: Font) {
     private fun _getFontPtr(): Long {
         return try {
             Native.Companion.getPtr(font)
         } finally {
-            Reference.reachabilityFence(font)
+            reachabilityBarrier(font)
         }
     }
 
@@ -21,7 +21,7 @@ class FontRun(internal val end: Int, internal val font: Font) {
         if (end != other.end) return false
         val `this$_font`: Any = font
         val `other$_font`: Any = other.font
-        return if (if (`this$_font` == null) `other$_font` != null else `this$_font` != `other$_font`) false else true
+        return `this$_font` == `other$_font`
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -33,11 +33,11 @@ class FontRun(internal val end: Int, internal val font: Font) {
         var result = 1
         result = result * PRIME + end
         val `$_font`: Any = font
-        result = result * PRIME + (`$_font`?.hashCode() ?: 43)
+        result = result * PRIME + `$_font`.hashCode()
         return result
     }
 
     override fun toString(): String {
-        return "FontRun(_end=" + end + ", _font=" + font + ")"
+        return "FontRun(_end=$end, _font=$font)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/HbIcuScriptRunIterator.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/HbIcuScriptRunIterator.kt

@@ -2,13 +2,13 @@ package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.ManagedString
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class HbIcuScriptRunIterator(text: ManagedString?, manageText: Boolean) : ManagedRunIterator<ScriptRun?>(
     _nMake(
-        Native.getPtr(text)
+        getPtr(text)
     ), text, manageText
 ) {
     companion object {
@@ -27,13 +27,13 @@ class HbIcuScriptRunIterator(text: ManagedString?, manageText: Boolean) : Manage
             _nConsume(_ptr)
             ScriptRun(_getEndOfCurrentRun(), _nGetCurrentScriptTag(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     init {
         Stats.onNativeCall()
-        Reference.reachabilityFence(text)
+        reachabilityBarrier(text)
     }
 
     override fun remove() {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/IcuBidiRunIterator.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/IcuBidiRunIterator.kt

@@ -2,12 +2,12 @@ package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.ManagedString
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 class IcuBidiRunIterator(text: ManagedString?, manageText: Boolean, bidiLevel: Int) : ManagedRunIterator<BidiRun?>(
-    _nMake(Native.Companion.getPtr(text), bidiLevel), text, manageText
+    _nMake(getPtr(text), bidiLevel), text, manageText
 ) {
     companion object {
         @JvmStatic external fun _nMake(textPtr: Long, bidiLevel: Int): Long
@@ -25,13 +25,13 @@ class IcuBidiRunIterator(text: ManagedString?, manageText: Boolean, bidiLevel: I
             _nConsume(_ptr)
             BidiRun(_getEndOfCurrentRun(), _nGetCurrentLevel(_ptr))
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 
     init {
         Stats.onNativeCall()
-        Reference.reachabilityFence(text)
+        reachabilityBarrier(text)
     }
 
     override fun remove() {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/LanguageRun.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/LanguageRun.kt

@@ -18,7 +18,7 @@ class LanguageRun(
         if (end != other.end) return false
         val `this$_language`: Any = language
         val `other$_language`: Any = other.language
-        return if (if (`this$_language` == null) `other$_language` != null else `this$_language` != `other$_language`) false else true
+        return `this$_language` == `other$_language`
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -30,11 +30,11 @@ class LanguageRun(
         var result = 1
         result = result * PRIME + end
         val `$_language`: Any = language
-        result = result * PRIME + (`$_language`?.hashCode() ?: 43)
+        result = result * PRIME + `$_language`.hashCode()
         return result
     }
 
     override fun toString(): String {
-        return "LanguageRun(_end=" + end + ", _language=" + language + ")"
+        return "LanguageRun(_end=$end, _language=$language)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/ManagedRunIterator.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/ManagedRunIterator.kt

@@ -3,8 +3,8 @@ package org.jetbrains.skia.shaper
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.ManagedString
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
-import java.lang.ref.Reference
+import org.jetbrains.skia.impl.reachabilityBarrier
+import kotlin.jvm.JvmStatic
 
 abstract class ManagedRunIterator<T> internal constructor(
     ptr: Long,
@@ -30,10 +30,10 @@ abstract class ManagedRunIterator<T> internal constructor(
 
     internal fun _getEndOfCurrentRun(): Int {
         return try {
-            _nGetEndOfCurrentRun(_ptr, Native.Companion.getPtr(_text))
+            _nGetEndOfCurrentRun(_ptr, getPtr(_text))
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(_text)
+            reachabilityBarrier(this)
+            reachabilityBarrier(_text)
         }
     }
 
@@ -41,7 +41,7 @@ abstract class ManagedRunIterator<T> internal constructor(
         return try {
             !_nIsAtEnd(_ptr)
         } finally {
-            Reference.reachabilityFence(this)
+            reachabilityBarrier(this)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/RunInfo.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/RunInfo.kt

@@ -45,11 +45,11 @@ class RunInfo(
         if (!other.canEqual(this as Any)) return false
         if (_fontPtr != other._fontPtr) return false
         if (bidiLevel != other.bidiLevel) return false
-        if (java.lang.Float.compare(advanceX, other.advanceX) != 0) return false
-        if (java.lang.Float.compare(advanceY, other.advanceY) != 0) return false
+        if (advanceX.compareTo(other.advanceX) != 0) return false
+        if (advanceY.compareTo(other.advanceY) != 0) return false
         if (glyphCount != other.glyphCount) return false
         if (rangeBegin != other.rangeBegin) return false
-        return if (rangeSize != other.rangeSize) false else true
+        return rangeSize == other.rangeSize
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -62,8 +62,8 @@ class RunInfo(
         val `$_fontPtr` = _fontPtr
         result = result * PRIME + (`$_fontPtr` ushr 32 xor `$_fontPtr`).toInt()
         result = result * PRIME + bidiLevel
-        result = result * PRIME + java.lang.Float.floatToIntBits(advanceX)
-        result = result * PRIME + java.lang.Float.floatToIntBits(advanceY)
+        result = result * PRIME + advanceX.toBits()
+        result = result * PRIME + advanceY.toBits()
         val `$_glyphCount` = glyphCount
         result = result * PRIME + (`$_glyphCount` ushr 32 xor `$_glyphCount`).toInt()
         result = result * PRIME + rangeBegin
@@ -72,6 +72,6 @@ class RunInfo(
     }
 
     override fun toString(): String {
-        return "RunInfo(_fontPtr=" + _fontPtr + ", _bidiLevel=" + bidiLevel + ", _advanceX=" + advanceX + ", _advanceY=" + advanceY + ", _glyphCount=" + glyphCount + ", _rangeBegin=" + rangeBegin + ", _rangeSize=" + rangeSize + ")"
+        return "RunInfo(_fontPtr=$_fontPtr, _bidiLevel=$bidiLevel, _advanceX=$advanceX, _advanceY=$advanceY, _glyphCount=$glyphCount, _rangeBegin=$rangeBegin, _rangeSize=$rangeSize)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/ScriptRun.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/ScriptRun.kt

@@ -10,7 +10,7 @@ class ScriptRun(internal val end: Int, internal val scriptTag: Int) {
      * Should be iso15924 codes.
      */
     val script: String
-        get() = FourByteTag.Companion.toString(scriptTag)
+        get() = FourByteTag.toString(scriptTag)
 
     override fun equals(o: Any?): Boolean {
         if (o === this) return true
@@ -18,7 +18,7 @@ class ScriptRun(internal val end: Int, internal val scriptTag: Int) {
         val other = o
         if (!other.canEqual(this as Any)) return false
         if (end != other.end) return false
-        return if (scriptTag != other.scriptTag) false else true
+        return scriptTag == other.scriptTag
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -34,6 +34,6 @@ class ScriptRun(internal val end: Int, internal val scriptTag: Int) {
     }
 
     override fun toString(): String {
-        return "ScriptRun(_end=" + end + ", _scriptTag=" + scriptTag + ")"
+        return "ScriptRun(_end=$end, _scriptTag=$scriptTag)"
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/Shaper.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/Shaper.kt

@@ -3,12 +3,10 @@ package org.jetbrains.skia.shaper
 import org.jetbrains.skia.impl.Library.Companion.staticLoad
 import org.jetbrains.skia.*
 import org.jetbrains.skia.impl.Managed
-import org.jetbrains.skia.impl.Native
 import org.jetbrains.skia.impl.Stats
-import java.lang.UnsupportedOperationException
-import java.lang.ref.Reference
-import java.text.Bidi
-import java.util.*
+import org.jetbrains.skia.impl.reachabilityBarrier
+import org.jetbrains.skia.impl.use
+import kotlin.jvm.JvmStatic
 
 /**
  * Shapes text using HarfBuzz and places the shaped text into a
@@ -28,9 +26,9 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         fun makeShaperDrivenWrapper(fontMgr: FontMgr?): Shaper {
             return try {
                 Stats.onNativeCall()
-                Shaper(_nMakeShaperDrivenWrapper(Native.Companion.getPtr(fontMgr)))
+                Shaper(_nMakeShaperDrivenWrapper(getPtr(fontMgr)))
             } finally {
-                Reference.reachabilityFence(fontMgr)
+                reachabilityBarrier(fontMgr)
             }
         }
 
@@ -41,9 +39,9 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         fun makeShapeThenWrap(fontMgr: FontMgr?): Shaper {
             return try {
                 Stats.onNativeCall()
-                Shaper(_nMakeShapeThenWrap(Native.Companion.getPtr(fontMgr)))
+                Shaper(_nMakeShapeThenWrap(getPtr(fontMgr)))
             } finally {
-                Reference.reachabilityFence(fontMgr)
+                reachabilityBarrier(fontMgr)
             }
         }
 
@@ -54,9 +52,9 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         fun makeShapeDontWrapOrReorder(fontMgr: FontMgr?): Shaper {
             return try {
                 Stats.onNativeCall()
-                Shaper(_nMakeShapeDontWrapOrReorder(Native.Companion.getPtr(fontMgr)))
+                Shaper(_nMakeShapeDontWrapOrReorder(getPtr(fontMgr)))
             } finally {
-                Reference.reachabilityFence(fontMgr)
+                reachabilityBarrier(fontMgr)
             }
         }
 
@@ -83,9 +81,9 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         fun make(fontMgr: FontMgr?): Shaper {
             return try {
                 Stats.onNativeCall()
-                Shaper(_nMake(Native.Companion.getPtr(fontMgr)))
+                Shaper(_nMake(getPtr(fontMgr)))
             } finally {
-                Reference.reachabilityFence(fontMgr)
+                reachabilityBarrier(fontMgr)
             }
         }
 
@@ -148,12 +146,11 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
 
     fun shape(text: String?, font: Font?, opts: ShapingOptions, width: Float, offset: Point): TextBlob? {
         return try {
-            assert(opts != null) { "Can’t Shaper::shape with opts == null" }
             Stats.onNativeCall()
             val ptr = _nShapeBlob(
                 _ptr,
                 text,
-                Native.Companion.getPtr(font),
+                getPtr(font),
                 opts,
                 width,
                 offset.x,
@@ -161,8 +158,8 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
             )
             if (0L == ptr) null else TextBlob(ptr)
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(font)
+            reachabilityBarrier(this)
+            reachabilityBarrier(font)
         }
     }
 
@@ -178,11 +175,11 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
                 IcuBidiRunIterator(
                     textUtf8,
                     false,
-                    if (opts.isLeftToRight) Bidi.DIRECTION_LEFT_TO_RIGHT else Bidi.DIRECTION_RIGHT_TO_LEFT
+                    if (opts.isLeftToRight) -2 /* Bidi.DIRECTION_LEFT_TO_RIGHT */ else -1 /* Bidi.DIRECTION_RIGHT_TO_LEFT */
                 ).use { bidiIter ->
                     HbIcuScriptRunIterator(textUtf8, false).use { scriptIter ->
                         val langIter =
-                            TrivialLanguageRunIterator(text, Locale.getDefault().toLanguageTag())
+                            TrivialLanguageRunIterator(text, defaultLanguageTag())
                         return shape(textUtf8, fontIter, bidiIter, scriptIter, langIter, opts, width, runHandler)
                     }
                 }
@@ -224,15 +221,10 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
         width: Float,
         runHandler: RunHandler
     ): Shaper {
-        assert(fontIter != null) { "FontRunIterator == null" }
-        assert(bidiIter != null) { "BidiRunIterator == null" }
-        assert(scriptIter != null) { "ScriptRunIterator == null" }
-        assert(langIter != null) { "LanguageRunIterator == null" }
-        assert(opts != null) { "Can’t Shaper::shape with opts == null" }
         Stats.onNativeCall()
         _nShape(
             _ptr,
-            Native.Companion.getPtr(textUtf8),
+            getPtr(textUtf8),
             fontIter,
             bidiIter,
             scriptIter,
@@ -246,19 +238,18 @@ class Shaper internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR
 
     fun shapeLine(text: String?, font: Font?, opts: ShapingOptions): TextLine {
         return try {
-            assert(opts != null) { "Can’t Shaper::shapeLine with opts == null" }
             Stats.onNativeCall()
-            org.jetbrains.skia.TextLine(
+            TextLine(
                 _nShapeLine(
                     _ptr,
                     text,
-                    Native.Companion.getPtr(font),
+                    getPtr(font),
                     opts
                 )
             )
         } finally {
-            Reference.reachabilityFence(this)
-            Reference.reachabilityFence(font)
+            reachabilityBarrier(this)
+            reachabilityBarrier(font)
         }
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/shaper/ShapingOptions.kt → skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/ShapingOptions.kt

@@ -2,7 +2,6 @@ package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.FontFeature
 import org.jetbrains.skia.FontMgr
-import java.util.*
 
 class ShapingOptions(
     internal val fontMgr: FontMgr?,
@@ -47,7 +46,7 @@ class ShapingOptions(
         val `this$_fontMgr`: Any? = fontMgr
         val `other$_fontMgr`: Any? = other.fontMgr
         if (if (`this$_fontMgr` == null) `other$_fontMgr` != null else `this$_fontMgr` != `other$_fontMgr`) return false
-        return if (!Arrays.deepEquals(features, other.features)) false else true
+        return features.contentDeepEquals(other.features)
     }
 
     protected fun canEqual(other: Any?): Boolean {
@@ -62,12 +61,12 @@ class ShapingOptions(
         result = result * PRIME + if (isApproximatePunctuation) 79 else 97
         val `$_fontMgr`: Any? = fontMgr
         result = result * PRIME + (`$_fontMgr`?.hashCode() ?: 43)
-        result = result * PRIME + Arrays.deepHashCode(features)
+        result = result * PRIME + features.contentDeepHashCode()
         return result
     }
 
     override fun toString(): String {
-        return "ShapingOptions(_fontMgr=" + fontMgr + ", _features=" + Arrays.deepToString(features) + ", _leftToRight=" + isLeftToRight + ", _approximateSpaces=" + isApproximateSpaces + ", _approximatePunctuation=" + isApproximatePunctuation + ")"
+        return "ShapingOptions(_fontMgr=" + fontMgr + ", _features=" + features.contentDeepToString() + ", _leftToRight=" + isLeftToRight + ", _approximateSpaces=" + isApproximateSpaces + ", _approximatePunctuation=" + isApproximatePunctuation + ")"
     }
 
     fun withFontMgr(_fontMgr: FontMgr?): ShapingOptions {

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Actuals.jvm.kt

+package org.jetbrains.skia
+
+import java.util.*
+
+actual typealias ByteBuffer = java.nio.ByteBuffer
+
+actual fun <R> commonSynchronized(lock: Any, block: () -> R) {
+    synchronized(lock, block)
+}
+
+actual fun String.intCodePoints(): IntArray = this.codePoints().toArray()
+
+actual typealias Pattern = java.util.regex.Pattern
+
+actual typealias Matcher = java.util.regex.Matcher
+
+actual fun defaultLanguageTag(): String = Locale.getDefault().toLanguageTag()
+
+actual fun compilePattern(regex: String): Pattern = Pattern.compile(regex)
+

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Codec.kt

@@ -99,7 +99,7 @@ class Codec internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.PTR)
      * @return  decoded bitmap
      */
     fun readPixels(): Bitmap {
-        val bitmap = org.jetbrains.skia.Bitmap()
+        val bitmap = Bitmap()
         bitmap.allocPixels(imageInfo)
         readPixels(bitmap)
         return bitmap

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PaintFilterCanvas.kt

@@ -29,7 +29,7 @@ abstract class PaintFilterCanvas(canvas: Canvas, unrollDrawable: Boolean) :
      */
     abstract fun onFilter(paint: Paint): Boolean
     fun onFilter(paintPtr: Long): Boolean {
-        val paint = org.jetbrains.skia.Paint(paintPtr, false)
+        val paint = Paint(paintPtr, false)
         return onFilter(paint)
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/PictureRecorder.kt

@@ -62,7 +62,7 @@ class PictureRecorder internal constructor(ptr: Long) : Managed(ptr, _FinalizerH
     fun beginRecording(bounds: Rect): Canvas {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.Canvas(
+            Canvas(
                 _nBeginRecording(
                     _ptr,
                     bounds.left,
@@ -83,7 +83,7 @@ class PictureRecorder internal constructor(ptr: Long) : Managed(ptr, _FinalizerH
         get() = try {
             Stats.onNativeCall()
             val ptr = _nGetRecordingCanvas(_ptr)
-            if (ptr == 0L) null else org.jetbrains.skia.Canvas(ptr, false, this)
+            if (ptr == 0L) null else Canvas(ptr, false, this)
         } finally {
             Reference.reachabilityFence(this)
         }

skiko/src/jvmMain/kotlin/org/jetbrains/skia/RuntimeEffect.kt

@@ -39,6 +39,6 @@ class RuntimeEffect internal constructor(ptr: Long) : RefCnt(ptr) {
         val childrenPtrs = LongArray(childCount)
         for (i in 0 until childCount) childrenPtrs[i] = Native.Companion.getPtr(children!![i])
         val matrix = localMatrix?.mat
-        return Shader(_nMakeShader(_ptr, Native.Companion.getPtr(uniforms), childrenPtrs, matrix, isOpaque))
+        return Shader(_nMakeShader(_ptr, getPtr(uniforms), childrenPtrs, matrix, isOpaque))
     }
 }
\ No newline at end of file

skiko/src/jvmMain/kotlin/org/jetbrains/skia/Surface.kt

@@ -860,7 +860,7 @@ class Surface : RefCnt {
     fun makeImageSnapshot(): Image {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.Image(_nMakeImageSnapshot(_ptr))
+            Image(_nMakeImageSnapshot(_ptr))
         } finally {
             Reference.reachabilityFence(this)
         }
@@ -886,7 +886,7 @@ class Surface : RefCnt {
     fun makeImageSnapshot(area: IRect): Image? {
         return try {
             Stats.onNativeCall()
-            org.jetbrains.skia.Image(
+            Image(
                 _nMakeImageSnapshotR(
                     _ptr,
                     area.left,

skiko/src/jvmMain/kotlin/org/jetbrains/skia/impl/Native.jvm.kt

@@ -21,7 +21,7 @@ actual abstract class Native actual constructor(ptr: Long) {
         }
     }
 
-    open fun _nativeEquals(other: Native?): Boolean {
+    actual open fun _nativeEquals(other: Native?): Boolean {
         return false
     }
 

skiko/src/jvmMain/kotlin/org/jetbrains/skia/paragraph/StrutStyle.kt

@@ -65,7 +65,7 @@ class StrutStyle internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder
     val fontStyle: FontStyle
         get() = try {
             Stats.onNativeCall()
-            org.jetbrains.skia.FontStyle(_nGetFontStyle(_ptr))
+            FontStyle(_nGetFontStyle(_ptr))
         } finally {
             Reference.reachabilityFence(this)
         }

skiko/src/jvmMain/kotlin/org/jetbrains/skia/paragraph/TextStyle.kt

@@ -113,7 +113,7 @@ class TextStyle internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.
         get() = try {
             Stats.onNativeCall()
             val ptr = _nGetForeground(_ptr)
-            if (ptr == 0L) null else org.jetbrains.skia.Paint(ptr, true)
+            if (ptr == 0L) null else Paint(ptr, true)
         } finally {
             Reference.reachabilityFence(this)
         }
@@ -135,7 +135,7 @@ class TextStyle internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.
         get() = try {
             Stats.onNativeCall()
             val ptr = _nGetBackground(_ptr)
-            if (ptr == 0L) null else org.jetbrains.skia.Paint(ptr, true)
+            if (ptr == 0L) null else Paint(ptr, true)
         } finally {
             Reference.reachabilityFence(this)
         }
@@ -179,7 +179,7 @@ class TextStyle internal constructor(ptr: Long) : Managed(ptr, _FinalizerHolder.
     val fontStyle: FontStyle
         get() = try {
             Stats.onNativeCall()
-            org.jetbrains.skia.FontStyle(_nGetFontStyle(_ptr))
+            FontStyle(_nGetFontStyle(_ptr))
         } finally {
             Reference.reachabilityFence(this)
         }

skiko/src/jvmMain/kotlin/org/jetbrains/skiko/Library.kt

 package org.jetbrains.skiko
 
+import org.jetbrains.skia.Bitmap
 import java.io.BufferedReader
 import java.io.File
 import java.io.InputStreamReader
@@ -102,7 +103,7 @@ object Library {
 // We have to keep this tiny class in Skiko for testing purposes.
 internal class LibraryTestImpl() {
     fun run(): Long {
-        val bitmap = org.jetbrains.skia.Bitmap()
+        val bitmap = Bitmap()
         return bitmap._ptr
     }
 }
\ No newline at end of file

skiko/src/macosX64Main/kotlin/org/jetbrains/skia/Actuals.native.kt

+package org.jetbrains.skia
+
+actual abstract class ByteBuffer
+
+actual fun <R> commonSynchronized(lock: Any, block: () -> R) {
+    block()
+}
+
+actual fun String.intCodePoints(): IntArray = TODO()
+
+actual class Pattern {
+    actual fun split(input: CharSequence): Array<String?>? = TODO()
+    actual fun matcher(input: CharSequence): Matcher = TODO()
+}
+
+actual class Matcher {
+    actual fun group(name: String): String? = TODO()
+    actual fun matches(): Boolean = TODO()
+}
+
+actual fun defaultLanguageTag(): String = TODO()
+
+actual fun compilePattern(regex: String): Pattern = TODO()
\ No newline at end of file

skiko/src/macosX64Main/kotlin/org/jetbrains/skia/impl/Managed.native.kt

 package org.jetbrains.skia.impl
 
 actual abstract class Managed actual constructor(ptr: Long, finalizer: Long, managed: Boolean) : Native(ptr) {
-    actual open fun close() {
-        TODO()
-    }
+    actual open fun close(): Unit = TODO()
 }
\ No newline at end of file

skiko/src/macosX64Main/kotlin/org/jetbrains/skia/impl/Native.native.kt

@@ -3,6 +3,8 @@ package org.jetbrains.skia.impl
 actual abstract class Native actual constructor(ptr: Long) {
     actual var _ptr: Long
 
+    actual open fun _nativeEquals(other: Native?): Boolean = TODO()
+
     actual companion object {
         actual fun getPtr(n: Native?): Long {
             return n?._ptr ?: 0