Commonization - leftovers (#404)

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

@@ -537,7 +537,15 @@ class Font : Managed {
     fun getPaths(glyphs: ShortArray?): Array<Path> {
         return try {
             Stats.onNativeCall()
-            _nGetPaths(_ptr, glyphs)
+            arrayDecoderScope({
+                ArrayDecoder(
+                    interopScope { _nGetPaths(_ptr, toInterop(glyphs), glyphs?.size ?: 0) }, Path_nGetFinalizer()
+                )
+            }) { arrayDecoder ->
+                (0 until arrayDecoder.size).map { i->
+                    Path(arrayDecoder.release(i))
+                }.toTypedArray()
+            }
         } finally {
             reachabilityBarrier(this)
         }
@@ -702,7 +710,7 @@ private external fun _nGetXPositions(ptr: NativePointer, glyphs: InteropPointer,
 private external fun _nGetPath(ptr: NativePointer, glyph: Short): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_Font__1nGetPaths")
-private external fun _nGetPaths(ptr: NativePointer, glyphs: ShortArray?): Array<Path>
+private external fun _nGetPaths(ptr: NativePointer, glyphs: InteropPointer, count: Int): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_Font__1nGetMetrics")
 private external fun _nGetMetrics(ptr: NativePointer, metrics: InteropPointer)

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

@@ -45,7 +45,7 @@ class FontFeature(val _tag: Int, val value: Int, val start: UInt, val end: UInt)
     override fun equals(other: Any?): Boolean {
         if (other === this) return true
         if (other !is FontFeature) return false
-        if (this.tag != other) return false
+        if (this.tag != other.tag) return false
         if (value != other.value) return false
         if (start != other.start) return false
         return end == other.end

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

@@ -2164,7 +2164,7 @@ class Path internal constructor(ptr: NativePointer) : Managed(ptr, _FinalizerHol
 
 
 @ExternalSymbolName("org_jetbrains_skia_Path__1nGetFinalizer")
-private external fun Path_nGetFinalizer(): NativePointer
+internal external fun Path_nGetFinalizer(): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_Path__1nMake")
 private external fun Path_nMake(): NativePointer

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

@@ -33,7 +33,7 @@ class Typeface internal constructor(ptr: NativePointer) : RefCnt(ptr) {
          */
         fun makeFromName(name: String?, style: FontStyle): Typeface {
             Stats.onNativeCall()
-            return Typeface(_nMakeFromName(name, style._value))
+            return interopScope { Typeface(_nMakeFromName(toInterop(name), style._value)) }
         }
 
         /**
@@ -395,7 +395,9 @@ class Typeface internal constructor(ptr: NativePointer) : RefCnt(ptr) {
     val bounds: Rect
         get() = try {
             Stats.onNativeCall()
-            Typeface_nGetBounds(_ptr)
+            Rect.fromInteropPointer {
+                Typeface_nGetBounds(_ptr, it)
+            }
         } finally {
             reachabilityBarrier(this)
         }
@@ -422,7 +424,7 @@ private external fun Typeface_nGetUTF32Glyphs(
 private external fun Typeface_nGetUTF32Glyph(ptr: NativePointer, unichar: Int): Short
 
 @ExternalSymbolName("org_jetbrains_skia_Typeface__1nGetBounds")
-private external fun Typeface_nGetBounds(ptr: NativePointer): Rect
+private external fun Typeface_nGetBounds(ptr: NativePointer, bounds: InteropPointer)
 
 @ExternalSymbolName("org_jetbrains_skia_Typeface__1nGetFontStyle")
 private external fun _nGetFontStyle(ptr: NativePointer): Int
@@ -443,7 +445,7 @@ private external fun _nGetVariationAxesCount(ptr: NativePointer): Int
 private external fun _nGetVariationAxes(ptr: NativePointer, axisData: InteropPointer, axisCount: Int)
 
 @ExternalSymbolName("org_jetbrains_skia_Typeface__1nMakeFromName")
-private external fun _nMakeFromName(name: String?, fontStyle: Int): NativePointer
+private external fun _nMakeFromName(name: InteropPointer, fontStyle: Int): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_Typeface__1nMakeFromFile")
 internal external fun _nMakeFromFile(path: InteropPointer, index: Int): NativePointer

skiko/src/commonMain/kotlin/org/jetbrains/skia/paragraph/FontCollection.kt

@@ -16,7 +16,7 @@ class FontCollection internal constructor(ptr: NativePointer) : RefCnt(ptr) {
         Stats.onNativeCall()
     }
 
-    val fontManagersCount: NativePointer
+    val fontManagersCount: Int
         get() = try {
             Stats.onNativeCall()
             _nGetFontManagersCount(_ptr)
@@ -104,7 +104,7 @@ class FontCollection internal constructor(ptr: NativePointer) : RefCnt(ptr) {
     fun defaultFallback(unicode: Int, style: FontStyle, locale: String?): Typeface? {
         return try {
             Stats.onNativeCall()
-            val ptr = _nDefaultFallbackChar(_ptr, unicode, style._value, locale)
+            val ptr = interopScope { _nDefaultFallbackChar(_ptr, unicode, style._value, toInterop(locale)) }
             if (ptr == NullPointer) null else Typeface(ptr)
         } finally {
             reachabilityBarrier(this)
@@ -140,7 +140,7 @@ class FontCollection internal constructor(ptr: NativePointer) : RefCnt(ptr) {
 private external fun _nMake(): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_FontCollection__1nGetFontManagersCount")
-private external fun _nGetFontManagersCount(ptr: NativePointer): NativePointer
+private external fun _nGetFontManagersCount(ptr: NativePointer): Int
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_FontCollection__1nSetAssetFontManager")
 private external fun _nSetAssetFontManager(ptr: NativePointer, fontManagerPtr: NativePointer): NativePointer
@@ -161,7 +161,7 @@ private external fun _nGetFallbackManager(ptr: NativePointer): NativePointer
 private external fun _nFindTypefaces(ptr: NativePointer, familyNames: InteropPointer, len: Int, fontStyle: Int): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_FontCollection__1nDefaultFallbackChar")
-private external fun _nDefaultFallbackChar(ptr: NativePointer, unicode: Int, fontStyle: Int, locale: String?): NativePointer
+private external fun _nDefaultFallbackChar(ptr: NativePointer, unicode: Int, fontStyle: Int, locale: InteropPointer): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_FontCollection__1nDefaultFallback")
 private external fun _nDefaultFallback(ptr: NativePointer): NativePointer

skiko/src/commonMain/kotlin/org/jetbrains/skia/paragraph/Shadow.kt

 package org.jetbrains.skia.paragraph
 
 import org.jetbrains.skia.Point
+import org.jetbrains.skia.impl.InteropPointer
+import org.jetbrains.skia.impl.InteropScope
+import org.jetbrains.skia.impl.withResult
 
 class Shadow(val color: Int, val offsetX: Float, val offsetY: Float, val blurSigma: Double) {
 
@@ -48,4 +51,13 @@ class Shadow(val color: Int, val offsetX: Float, val offsetY: Float, val blurSig
     fun withBlurSigma(_blurSigma: Double): Shadow {
         return if (blurSigma == _blurSigma) this else Shadow(color, offsetX, offsetY, _blurSigma)
     }
+
+    companion object
+}
+
+fun Shadow.Companion.fromInteropPointer(shadowsCount: Int, block: InteropScope.(InteropPointer) -> Unit): Array<Shadow> {
+    return withResult(IntArray(shadowsCount * 5), block).toList().chunked(5).map { (color, offsetX, offsetY, blurSigmaA, blurSigmaB) ->
+        val blurSigma = (blurSigmaA.toLong() shl 32) or (blurSigmaB.toLong() and 0xFFFFFFFFL)
+        Shadow(color, Float.fromBits(offsetX), Float.fromBits(offsetY), Double.fromBits(blurSigma))
+    }.toTypedArray()
 }
\ No newline at end of file

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

@@ -154,10 +154,12 @@ class TextStyle internal constructor(ptr: NativePointer) : Managed(ptr, _Finaliz
         return this
     }
 
-    val shadows: Array<org.jetbrains.skia.paragraph.Shadow>
+    val shadows: Array<Shadow>
         get() = try {
             Stats.onNativeCall()
-            _nGetShadows(_ptr)
+            Shadow.fromInteropPointer(_nGetShadowsCount(_ptr)) {
+                _nGetShadows(_ptr, it)
+            }
         } finally {
             reachabilityBarrier(this)
         }
@@ -195,7 +197,9 @@ class TextStyle internal constructor(ptr: NativePointer) : Managed(ptr, _Finaliz
 
     fun addFontFeature(f: FontFeature): TextStyle {
         Stats.onNativeCall()
-        _nAddFontFeature(_ptr, f.tag, f.value)
+        interopScope {
+            _nAddFontFeature(_ptr, toInterop(f.tag), f.value)
+        }
         return this
     }
 
@@ -230,7 +234,9 @@ class TextStyle internal constructor(ptr: NativePointer) : Managed(ptr, _Finaliz
     var fontFamilies: Array<String>
         get() = try {
             Stats.onNativeCall()
-            TextStyle_nGetFontFamilies(_ptr)
+            arrayDecoderScope({ ArrayDecoder(TextStyle_nGetFontFamilies(_ptr), ManagedString_nGetFinalizer()) }) { arrayDecoder ->
+                (0 until arrayDecoder.size).map { i -> withStringResult(arrayDecoder.release(i)) }
+            }.toTypedArray()
         } finally {
             reachabilityBarrier(this)
         }
@@ -434,7 +440,7 @@ private external fun TextStyle_nGetFontSize(ptr: NativePointer): Float
 private external fun TextStyle_nSetFontSize(ptr: NativePointer, size: Float)
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nGetFontFamilies")
-private external fun TextStyle_nGetFontFamilies(ptr: NativePointer): Array<String>
+private external fun TextStyle_nGetFontFamilies(ptr: NativePointer): NativePointer
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nGetHeight")
 private external fun TextStyle_nGetHeight(ptr: NativePointer): Float
@@ -484,8 +490,11 @@ private external fun _nSetDecorationStyle(
     thicknessMultiplier: Float
 )
 
+@ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nGetShadowsCount")
+private external fun _nGetShadowsCount(ptr: NativePointer): Int
+
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nGetShadows")
-private external fun _nGetShadows(ptr: NativePointer): Array<Shadow>
+private external fun _nGetShadows(ptr: NativePointer, res: InteropPointer)
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nAddShadow")
 private external fun _nAddShadow(ptr: NativePointer, color: Int, offsetX: Float, offsetY: Float, blurSigma: Double)
@@ -500,7 +509,7 @@ private external fun _nGetFontFeatures(ptr: NativePointer, resultIntsArray: Inte
 private external fun _nGetFontFeaturesSize(ptr: NativePointer): Int
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nAddFontFeature")
-private external fun _nAddFontFeature(ptr: NativePointer, name: String?, value: Int)
+private external fun _nAddFontFeature(ptr: NativePointer, name: InteropPointer, value: Int)
 
 @ExternalSymbolName("org_jetbrains_skia_paragraph_TextStyle__1nClearFontFeatures")
 private external fun _nClearFontFeatures(ptr: NativePointer)

skiko/src/commonTest/kotlin/org/jetbrains/skia/FontTests.kt

@@ -51,6 +51,8 @@ class FontTests {
                 10e-3f
             )
 
+            assertContentEquals(font.getPath(glyphs[0])!!.points,  font.getPaths(glyphs)[0].points)
+
             assertContentCloseEnough(
                 arrayOf(
                     Point(0f, 0f),

skiko/src/commonTest/kotlin/org/jetbrains/skia/paragraph/FontCollectionTest.kt

@@ -4,11 +4,8 @@ import org.jetbrains.skia.FontMgr
 import org.jetbrains.skia.FontStyle
 import org.jetbrains.skia.Typeface
 import org.jetbrains.skia.impl.use
-import org.jetbrains.skia.paragraph.FontCollection
-import org.jetbrains.skia.paragraph.TypefaceFontProvider
 import org.jetbrains.skia.tests.makeFromResource
-import org.jetbrains.skiko.tests.SkipJsTarget
-import org.jetbrains.skiko.tests.SkipNativeTarget
+import org.jetbrains.skiko.kotlinBackend
 import org.jetbrains.skiko.tests.runTest
 import kotlin.test.Test
 import kotlin.test.assertContentEquals
@@ -17,7 +14,7 @@ import kotlin.test.assertEquals
 class FontCollectionTest {
 
     @Test
-    fun fontCollectionTest() = runTest {
+    fun familyNameTest() = runTest {
         val fm = TypefaceFontProvider()
         val jbMono = Typeface.makeFromResource("./fonts/JetBrainsMono-Regular.ttf", 0)
         fm.registerTypeface(jbMono)
@@ -32,4 +29,67 @@ class FontCollectionTest {
             }
         }
     }
+
+    @Test
+    fun fontCollectionTest() = runTest {
+        val fm = TypefaceFontProvider()
+        val jbMono = Typeface.makeFromResource("./fonts/JetBrainsMono-Regular.ttf", 0)
+
+        fm.registerTypeface(jbMono)
+        val inter = Typeface.makeFromResource("./fonts/Inter-Hinted-Regular.ttf", 0)
+        fm.registerTypeface(inter, "Interface")
+
+        // FontCollection
+        val fontCollection = FontCollection()
+        fontCollection.setAssetFontManager(fm)
+        assertEquals(1, fontCollection.fontManagersCount)
+        assertEquals(2, jbMono.refCount)
+
+        fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL)[0]!!.use { jbMono2 ->
+            assertEquals(4, jbMono.refCount)
+            assertEquals(4, jbMono2.refCount)
+
+            fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL)[0]!!.use { jbMono3 ->
+                assertEquals(5, jbMono.refCount)
+                assertEquals(5, jbMono2.refCount)
+                assertEquals(5, jbMono3.refCount)
+            }
+
+            assertEquals(4, jbMono.refCount)
+            assertEquals(4, jbMono2.refCount)
+        }
+
+        //TODO: commented out assertions seem not to be isolated and are turned off till further investigation
+        assertContentEquals(arrayOf(), fontCollection.findTypefaces(arrayOf("No Such Font"), FontStyle.NORMAL))
+        assertContentEquals(arrayOf(jbMono), fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL))
+        assertContentEquals(arrayOf(), fontCollection.findTypefaces(arrayOf("Inter"), FontStyle.NORMAL))
+        assertContentEquals(arrayOf(inter), fontCollection.findTypefaces(arrayOf("Interface"), FontStyle.NORMAL))
+        assertContentEquals(
+            arrayOf(jbMono, inter),
+            fontCollection.findTypefaces(arrayOf("JetBrains Mono", "Interface"), FontStyle.NORMAL)
+        )
+
+        val defaultFM = FontMgr.default
+        fontCollection.setDefaultFontManager(defaultFM)
+        assertEquals(2, fontCollection.fontManagersCount)
+
+
+        fontCollection.fallbackManager!!.use { ffm ->
+            //assertEquals(4, defaultFM.refCount)
+            assertEquals(defaultFM, ffm)
+        }
+
+        if (kotlinBackend.isNotJs()) {
+            fontCollection.defaultFallback(65 /* A */, FontStyle.NORMAL, "en-US")!!.use { t1 ->
+                val refCnt: Int = t1.refCount
+                fontCollection.defaultFallback(65 /* A */, FontStyle.NORMAL, "en-US")!!.use { t2 ->
+                    assertEquals(refCnt + 1, t1.refCount)
+                    assertEquals(refCnt + 1, t2.refCount)
+                    assertEquals(t1, t2)
+                }
+            }
+        }
+
+    }
+
 }
\ No newline at end of file

skiko/src/commonTest/kotlin/org/jetbrains/skia/util/assertCloseEnough.kt

@@ -5,6 +5,7 @@ import org.jetbrains.skia.FontMetrics
 import org.jetbrains.skia.Matrix33
 import org.jetbrains.skia.Point
 import org.jetbrains.skia.Rect
+import org.jetbrains.skia.paragraph.Shadow
 import org.jetbrains.skia.paragraph.TextBox
 import org.jetbrains.skiko.KotlinBackend
 import org.jetbrains.skiko.kotlinBackend
@@ -14,11 +15,17 @@ import kotlin.test.assertTrue
 private val EPSILON = if (kotlinBackend == KotlinBackend.JS) 0.00001f else 0.00000001f
 
 private inline fun Float?.isCloseEnoughTo(b: Float?, epsilon: Float) =
-    if (this == null) b == null else if (b == null) false else abs(this - b) < epsilon
+    if (this == null) b == null else if (b == null) false else if (epsilon == 0f) this == b else abs(this - b) < epsilon
 
 private inline fun Point.isCloseEnoughTo(b: Point, epsilon: Float) =
     x.isCloseEnoughTo(b.x, epsilon) && y.isCloseEnoughTo(b.y, epsilon)
 
+private inline fun Shadow.isCloseEnoughTo(b: Shadow, epsilon: Float) =
+    (color == b.color)
+        && (offsetX.isCloseEnoughTo(b.offsetX, epsilon))
+        && (offsetY.isCloseEnoughTo(b.offsetY, epsilon))
+        && (blurSigma == b.blurSigma)
+
 private inline fun Color4f.isCloseEnoughTo(otherColor: Color4f, epsilon: Float) =
     r.isCloseEnoughTo(otherColor.r, epsilon) && g.isCloseEnoughTo(
         otherColor.g,
@@ -120,3 +127,7 @@ internal fun assertContentCloseEnough(expected: List<Point>, actual: List<Point>
 internal fun assertContentCloseEnough(expected: Array<TextBox>, actual: Array<TextBox>, epsilon: Float = EPSILON) {
     assertContentEquivalent(expected.iterator(), actual.iterator()) { a, b -> a.isCloseEnoughTo(b, epsilon) }
 }
+
+internal fun assertContentCloseEnough(expected: Array<Shadow>, actual: Array<Shadow>, epsilon: Float = EPSILON) {
+    assertContentEquivalent(expected.iterator(), actual.iterator()) { a, b -> a.isCloseEnoughTo(b, epsilon) }
+}

skiko/src/commonTest/kotlin/org/jetbrains/skiko/TypefaceTest.kt

 package org.jetbrains.skiko
 
 import org.jetbrains.skia.*
+import org.jetbrains.skia.tests.assertCloseEnough
 import org.jetbrains.skia.tests.makeFromResource
 import org.jetbrains.skiko.tests.SkipJsTarget
 import org.jetbrains.skiko.tests.SkipNativeTarget
@@ -36,6 +37,8 @@ class TypefaceTest {
 
         assertTrue(inter.getTableData("loca")!!.size > 0)
         assertEquals(2816, inter.unitsPerEm)
+
+        assertCloseEnough(Rect(left=-0.7386364f, top=-1.0909091f, right=2.5830965f, bottom=0.31960228f), inter.bounds, 10e-4f)
     }
 
     @Test

skiko/src/commonTest/kotlin/org/jetbrains/skiko/paragraph/TextStyleTest.kt

 package org.jetbrains.skiko.paragraph
 
 import org.jetbrains.skia.Color
+import org.jetbrains.skia.FontFeature
 import org.jetbrains.skia.impl.use
 import org.jetbrains.skia.paragraph.DecorationLineStyle
 import org.jetbrains.skia.paragraph.DecorationStyle
+import org.jetbrains.skia.paragraph.Shadow
 import org.jetbrains.skia.paragraph.TextStyle
 import org.jetbrains.skia.paragraph.TextStyleAttribute
+import org.jetbrains.skia.tests.assertContentCloseEnough
+import org.jetbrains.skiko.KotlinBackend
+import org.jetbrains.skiko.kotlinBackend
 import kotlin.test.*
 
 class TextStyleTest {
@@ -45,6 +50,7 @@ class TextStyleTest {
                 ts1.fontFamilies = arrayOf("foo", "qux")
                 ts2.fontFamilies = arrayOf("foo", "qux")
                 assertEquals(ts1, ts2)
+                assertContentEquals(ts1.fontFamilies, ts2.fontFamilies)
                 ts1.fontFamilies = arrayOf("foo", "qux")
                 ts2.fontFamilies = arrayOf("bar", "zig")
                 assertNotEquals(ts1, ts2)
@@ -52,6 +58,19 @@ class TextStyleTest {
         }
     }
 
+    @Test
+    fun textStyleAddFontFeatureTest() {
+        TextStyle().use { textStyle ->
+            textStyle.addFontFeature(FontFeature("FONT", true))
+            textStyle.addFontFeatures(arrayOf(FontFeature("TONF", true), FontFeature("IDDI", false)))
+            assertContentEquals(arrayOf(
+                FontFeature(84, 1, 0u, 4294967295u),
+                FontFeature(70, 1, 0u, 4294967295u),
+                FontFeature(73, 0, 0u, 4294967295u),
+            ),  textStyle.fontFeatures)
+        }
+    }
+
     @Test
     fun textStyleLocaleTest() {
         TextStyle().use { textStyle ->
@@ -97,6 +116,22 @@ class TextStyleTest {
     }
 
     @Test
+    fun textShadowsTest() {
+        TextStyle().use { textStyle ->
+
+            textStyle.addShadow(Shadow(200, 0.2f, 0.4f, 1.4))
+            textStyle.addShadows(arrayOf(Shadow(100, 0.3f, 0.1f, 2.0)))
+
+            assertContentCloseEnough(
+                arrayOf(
+                    Shadow(200, 0.2f, 0.4f, 1.4),
+                    Shadow(100, 0.3f, 0.1f, 2.0)
+                ), textStyle.shadows, if (kotlinBackend == KotlinBackend.JS) 0.00001f else 0f
+            )
+
+        }
+    }
+
     fun textStyleBaselineTest() {
         TextStyle().use { textStyle ->
             assertEquals(0.0f, textStyle.baselineShift)

skiko/src/jvmMain/cpp/common/Font.cc

@@ -310,33 +310,27 @@ extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_FontKt__1nGetPath
     return reinterpret_cast<jlong>(path);
 }
 
-extern "C" JNIEXPORT jobjectArray JNICALL Java_org_jetbrains_skia_FontKt__1nGetPaths
-  (JNIEnv* env, jclass jclass, jlong ptr, jshortArray glyphsArr) {
+extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_FontKt__1nGetPaths
+  (JNIEnv* env, jclass jclass, jlong ptr, jshortArray glyphsArr, jint count) {
     SkFont* instance = reinterpret_cast<SkFont*>(static_cast<uintptr_t>(ptr));
 
-    int count = env->GetArrayLength(glyphsArr);
     jshort* glyphs = env->GetShortArrayElements(glyphsArr, nullptr);
 
     struct Ctx {
-        jobjectArray paths;
-        jsize        idx;
-        JNIEnv*      env;
-    } ctx = { env->NewObjectArray(count, skija::Path::cls, nullptr), 0, env };
+        std::vector<jlong>* paths;
+    } ctx = { new std::vector<jlong>() };
 
     instance->getPaths(reinterpret_cast<SkGlyphID*>(glyphs), count, [](const SkPath* orig, const SkMatrix& mx, void* voidCtx) {
         Ctx* ctx = static_cast<Ctx*>(voidCtx);
         if (orig) {
             SkPath* path = new SkPath();
             orig->transform(mx, path);
-            jobject pathObj = ctx->env->NewObject(skija::Path::cls, skija::Path::ctor, reinterpret_cast<jlong>(path));
-            ctx->env->SetObjectArrayElement(ctx->paths, ctx->idx, pathObj);
-            ctx->env->DeleteLocalRef(pathObj);
-            ++ctx->idx;
+            ctx->paths->push_back(reinterpret_cast<jlong>(path));
         }
     }, &ctx);
 
     env->ReleaseShortArrayElements(glyphsArr, glyphs, 0);
-    return ctx.paths;
+    return reinterpret_cast<jlong>(ctx.paths);
 }
 
 extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_FontKt__1nGetMetrics

skiko/src/jvmMain/cpp/common/Typeface.cc

@@ -78,8 +78,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_TypefaceKt__1nMakeFro
     SkString name = skString(env, nameStr);
     SkFontStyle style = skija::FontStyle::fromJava(styleValue);
     sk_sp<SkTypeface> instance = SkTypeface::MakeFromName(name.c_str(), style);
-    SkTypeface* ptr = instance.release();
-    return reinterpret_cast<jlong>(ptr);
+    return reinterpret_cast<jlong>(instance.release());
 }
     
 extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_TypefaceKt__1nMakeFromFile
@@ -222,8 +221,10 @@ extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_TypefaceKt__1nGetFami
     return reinterpret_cast<jlong>(new SkString(name));
 }
 
-extern "C" JNIEXPORT jobject JNICALL Java_org_jetbrains_skia_TypefaceKt_Typeface_1nGetBounds
-  (JNIEnv* env, jclass jclass, jlong ptr) {
+extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_TypefaceKt_Typeface_1nGetBounds
+  (JNIEnv* env, jclass jclass, jlong ptr, jfloatArray res) {
     SkTypeface* instance = reinterpret_cast<SkTypeface*>(static_cast<uintptr_t>(ptr));
-    return skija::Rect::fromSkRect(env, instance->getBounds());
+    SkRect b = instance->getBounds();
+    float r[4] = {b.left(), b.top(), b.right(), b.bottom()};
+    env->SetFloatArrayRegion(res, 0, 4, r);
 }
\ No newline at end of file

skiko/src/jvmMain/cpp/common/interop.hh

@@ -400,6 +400,15 @@ static inline jint rawBits(jfloat f) {
     return u.i;
 }
 
+static inline jlong rawBits(jdouble d) {
+    union {
+        jdouble d;
+        jlong l;
+    } u;
+    u.d = d;
+    return u.l;
+}
+
 static inline jfloat fromBits(jint i) {
     union {
         jfloat f;

skiko/src/jvmMain/cpp/common/paragraph/FontCollection.cc

@@ -13,7 +13,7 @@ extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_paragraph_FontCollect
     return reinterpret_cast<jlong>(ptr);
 }
 
-extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_paragraph_FontCollectionKt__1nGetFontManagersCount
+extern "C" JNIEXPORT jint JNICALL Java_org_jetbrains_skia_paragraph_FontCollectionKt__1nGetFontManagersCount
   (JNIEnv* env, jclass jclass, jlong ptr) {
     FontCollection* instance = reinterpret_cast<FontCollection*>(static_cast<uintptr_t>(ptr));
     return instance->getFontManagersCount();

skiko/src/jvmMain/cpp/common/paragraph/TextStyle.cc

@@ -144,17 +144,23 @@ extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt_
     instance->setFontStyle(skija::FontStyle::fromJava(fontStyleValue));
 }
 
-extern "C" JNIEXPORT jobjectArray JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt__1nGetShadows
+extern "C" JNIEXPORT jint JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt__1nGetShadowsCount
     (JNIEnv* env, jclass jclass, jlong ptr) {
+        TextStyle* instance = reinterpret_cast<TextStyle*>(static_cast<uintptr_t>(ptr));
+        return static_cast<jint>(instance->getShadows().size());
+    }
+
+extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt__1nGetShadows
+  (JNIEnv* env, jclass jclass, jlong ptr, jintArray res) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(static_cast<uintptr_t>(ptr));
     std::vector<TextShadow> shadows = instance->getShadows();
-    jobjectArray shadowsArr = env->NewObjectArray((jsize) shadows.size(), skija::paragraph::Shadow::cls, nullptr);
+
     for (int i = 0; i < shadows.size(); ++i) {
         const TextShadow& s = shadows[i];
-        skija::AutoLocal<jobject> shadowObj(env, env->NewObject(skija::paragraph::Shadow::cls, skija::paragraph::Shadow::ctor, s.fColor, s.fOffset.fX, s.fOffset.fY, s.fBlurSigma));
-        env->SetObjectArrayElement(shadowsArr, i, shadowObj.get());
+        jlong blurSigma = rawBits(s.fBlurSigma);
+        jint r[5] = {static_cast<jint>(s.fColor), rawBits(s.fOffset.fX), rawBits(s.fOffset.fY), (jint)(blurSigma >> 32), (jint)blurSigma };
+        env->SetIntArrayRegion(res, 5 * i, 5, r);
     }
-    return shadowsArr;
 }
 
 extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt__1nAddShadow
@@ -210,10 +216,14 @@ extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt_
     instance->setFontSize(size);
 }
 
-extern "C" JNIEXPORT jobjectArray JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt_TextStyle_1nGetFontFamilies
+extern "C" JNIEXPORT jlong JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt_TextStyle_1nGetFontFamilies
   (JNIEnv* env, jclass jclass, jlong ptr) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(static_cast<uintptr_t>(ptr));
-    return javaStringArray(env, instance->getFontFamilies());
+    std::vector<jlong>* res = new std::vector<jlong>();
+    for (auto& f : instance->getFontFamilies()) {
+        res->push_back(reinterpret_cast<jlong>(new SkString(f)));
+    }
+    return reinterpret_cast<jlong>(res);
 }
 
 extern "C" JNIEXPORT void JNICALL Java_org_jetbrains_skia_paragraph_TextStyleKt__1nSetFontFamilies

skiko/src/jvmTest/kotlin/org/jetbrains/skiko/paragraph/FontCollectionTest.kt

-package org.jetbrains.skiko.paragraph
-
-import org.jetbrains.skia.FontMgr
-import org.jetbrains.skia.FontStyle
-import org.jetbrains.skia.Typeface
-import org.jetbrains.skia.paragraph.FontCollection
-import org.jetbrains.skia.paragraph.TypefaceFontProvider
-import org.jetbrains.skia.tests.makeFromResource
-import org.jetbrains.skiko.tests.runTest
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertEquals
-
-class FontCollectionTest {
-
-    @Test
-    fun fontCollectionTest() = runTest {
-        val fm = TypefaceFontProvider()
-        val jbMono = Typeface.makeFromResource("./fonts/JetBrainsMono-Regular.ttf", 0)
-
-        fm.registerTypeface(jbMono)
-        val inter = Typeface.makeFromResource("./fonts/Inter-Hinted-Regular.ttf", 0)
-        fm.registerTypeface(inter, "Interface")
-
-        // FontCollection
-        val fontCollection = FontCollection()
-        fontCollection.setAssetFontManager(fm)
-        assertEquals(1L, fontCollection.fontManagersCount)
-        assertEquals(2, jbMono.refCount)
-
-        fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL)[0]!!.use { jbMono2 ->
-            assertEquals(4, jbMono.refCount)
-            assertEquals(4, jbMono2.refCount)
-
-            fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL)[0]!!.use { jbMono3 ->
-                assertEquals(5, jbMono.refCount)
-                assertEquals(5, jbMono2.refCount)
-                assertEquals(5, jbMono3.refCount)
-            }
-
-            assertEquals(4, jbMono.refCount)
-            assertEquals(4, jbMono2.refCount)
-        }
-
-            //TODO: commented out assertions seem not to be isolated and are turned off till further investigation
-//        assertEquals(3, jbMono.refCount)
-        assertContentEquals(arrayOf(), fontCollection.findTypefaces(arrayOf("No Such Font"), FontStyle.NORMAL))
-        assertContentEquals(arrayOf(jbMono), fontCollection.findTypefaces(arrayOf("JetBrains Mono"), FontStyle.NORMAL))
-        assertContentEquals(arrayOf(), fontCollection.findTypefaces(arrayOf("Inter"), FontStyle.NORMAL))
-        assertContentEquals(arrayOf(inter), fontCollection.findTypefaces(arrayOf("Interface"), FontStyle.NORMAL))
-        assertContentEquals(
-            arrayOf(jbMono, inter),
-            fontCollection.findTypefaces(arrayOf("JetBrains Mono", "Interface"), FontStyle.NORMAL)
-        )
-
-        val defaultFM = FontMgr.default
-        fontCollection.setDefaultFontManager(defaultFM)
-        assertEquals(2L, fontCollection.fontManagersCount)
-
-//        assertEquals(3, defaultFM.refCount)
-
-        fontCollection.fallbackManager.use { ffm ->
-            //assertEquals(4, defaultFM.refCount)
-            assertEquals(defaultFM, ffm)
-        }
-
-//        assertEquals(3, defaultFM.refCount)
-        fontCollection.defaultFallback(65 /* A */, FontStyle.NORMAL, "en-US")!!.use { t1 ->
-            val refCnt: Int = t1.refCount
-            fontCollection.defaultFallback(65 /* A */, FontStyle.NORMAL, "en-US")!!.use { t2 ->
-                assertEquals(refCnt + 1, t1.refCount)
-                assertEquals(refCnt + 1, t2.refCount)
-                assertEquals(t1, t2)
-            }
-        }
-
-    }
-}
\ No newline at end of file

skiko/src/nativeJsMain/cpp/Font.cc

@@ -303,42 +303,25 @@ SKIKO_EXPORT KNativePointer org_jetbrains_skia_Font__1nGetPath
 }
 
 
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_Font__1nGetPaths
-  (KNativePointer ptr, KShort* glyphsArr) {
-    TODO("implement org_jetbrains_skia_Font__1nGetPaths");
-}
-
-#if 0
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_Font__1nGetPaths
-  (KNativePointer ptr, KShort* glyphsArr) {
+SKIKO_EXPORT KNativePointer org_jetbrains_skia_Font__1nGetPaths
+  (KNativePointer ptr, KShort* glyphs, KInt count) {
     SkFont* instance = reinterpret_cast<SkFont*>(ptr);
-    int count = env->GetArrayLength(glyphsArr);
-    KShort* glyphs = env->GetShortArrayElements(glyphsArr, nullptr);
 
     struct Ctx {
-        KInteropPointerArray paths;
-        jsize        idx;
-        JNIEnv*      env;
-    } ctx = { env->NewObjectArray(count, skija::Path::cls, nullptr), 0, env };
+        std::vector<KNativePointer>* paths;
+    } ctx = { new std::vector<KNativePointer>() };
 
     instance->getPaths(reinterpret_cast<SkGlyphID*>(glyphs), count, [](const SkPath* orig, const SkMatrix& mx, void* voidCtx) {
         Ctx* ctx = static_cast<Ctx*>(voidCtx);
         if (orig) {
             SkPath* path = new SkPath();
             orig->transform(mx, path);
-            KInteropPointer pathObj = ctx->env->NewObject(skija::Path::cls, skija::Path::ctor, reinterpret_cast<KNativePointer>(path));
-            ctx->env->SetObjectArrayElement(ctx->paths, ctx->idx, pathObj);
-            ctx->env->DeleteLocalRef(pathObj);
-            ++ctx->idx;
+            ctx->paths->push_back(reinterpret_cast<KNativePointer>(path));
         }
     }, &ctx);
 
-    env->ReleaseShortArrayElements(glyphsArr, glyphs, 0);
-    return ctx.paths;
+    return reinterpret_cast<KNativePointer>(ctx.paths);
 }
-#endif
-
-
 
 SKIKO_EXPORT void org_jetbrains_skia_Font__1nGetMetrics
   (KNativePointer ptr, KFloat* fontMetrics) {

skiko/src/nativeJsMain/cpp/FontMgr.cc

@@ -62,25 +62,6 @@ SKIKO_EXPORT KNativePointer org_jetbrains_skia_FontMgr__1nMatchFamilyStyleCharac
     return reinterpret_cast<KNativePointer>(typeface);
 }
      
-#if 0 
-SKIKO_EXPORT KNativePointer org_jetbrains_skia_FontMgr__1nMatchFamilyStyleCharacter
-  (KNativePointer ptr, KInteropPointer familyNameStr, KInt fontStyle, KInteropPointerArray bcp47Array, KInt character) {
-    SkFontMgr* instance = reinterpret_cast<SkFontMgr*>((ptr));
-
-    SkString familyName = skString(env, familyNameStr);
-    
-    std::vector<SkString> bcp47Strings = skStringVector(env, bcp47Array);
-    std::vector<const char*> bcp47(bcp47Strings.size());
-    for (int i = 0; i < bcp47.size(); ++i)
-        bcp47[i] = bcp47Strings[i].c_str();
-    
-    SkTypeface* typeface = instance->matchFamilyStyleCharacter(familyName.c_str(), skija::FontStyle::fromJava(fontStyle), bcp47.data(), (int) bcp47.size(), character);
-    
-    return reinterpret_cast<KNativePointer>(typeface);
-}
-#endif
-
-
 SKIKO_EXPORT KNativePointer org_jetbrains_skia_FontMgr__1nMakeFromData
   (KNativePointer ptr, KNativePointer dataPtr, KInt ttcIndex) {
     SkFontMgr* instance = reinterpret_cast<SkFontMgr*>((ptr));

skiko/src/nativeJsMain/cpp/Typeface.cc

@@ -80,7 +80,10 @@ SKIKO_EXPORT KNativePointer org_jetbrains_skia_Typeface__1nMakeDefault
 
 SKIKO_EXPORT KNativePointer org_jetbrains_skia_Typeface__1nMakeFromName
   (KInteropPointer nameStr, KInt styleValue) {
-    TODO("implement org_jetbrains_skia_Typeface__1nMakeFromName");
+    SkString name = skString(nameStr);
+    SkFontStyle style = skija::FontStyle::fromKotlin(styleValue);
+    sk_sp<SkTypeface> instance = SkTypeface::MakeFromName(name.c_str(), style);
+    return reinterpret_cast<KNativePointer>(instance.release());
 }
      
 SKIKO_EXPORT KNativePointer org_jetbrains_skia_Typeface__1nMakeFromFile
@@ -214,16 +217,12 @@ SKIKO_EXPORT KInteropPointer org_jetbrains_skia_Typeface__1nGetFamilyName
     return new SkString(name);
 }
 
-SKIKO_EXPORT KInteropPointer org_jetbrains_skia_Typeface__1nGetBounds
-  (KNativePointer ptr) {
-    TODO("implement org_jetbrains_skia_Typeface__1nGetBounds");
-}
-     
-#if 0 
-SKIKO_EXPORT KInteropPointer org_jetbrains_skia_Typeface__1nGetBounds
-  (KNativePointer ptr) {
-    SkTypeface* instance = reinterpret_cast<SkTypeface*>((ptr));
-    return skija::Rect::fromSkRect(env, instance->getBounds());
+SKIKO_EXPORT void org_jetbrains_skia_Typeface__1nGetBounds
+  (KNativePointer ptr, KFloat* bounds) {
+    SkTypeface* instance = reinterpret_cast<SkTypeface*>(ptr);
+    SkRect b = instance->getBounds();
+    bounds[0] = b.left();
+    bounds[1] = b.top();
+    bounds[2] = b.right();
+    bounds[3] = b.bottom();
 }
-#endif
-

skiko/src/nativeJsMain/cpp/common.h

@@ -145,6 +145,15 @@ static inline KInt rawBits(KFloat f) {
     return u.i;
 }
 
+static inline KLong rawBits(KDouble d) {
+    union {
+        KDouble d;
+        KLong l;
+    } u;
+    u.d = d;
+    return u.l;
+}
+
 static inline KFloat fromBits(KInt i) {
     union {
         KFloat f;

skiko/src/nativeJsMain/cpp/paragraph/FontCollection.cc

@@ -79,7 +79,8 @@ SKIKO_EXPORT KNativePointer org_jetbrains_skia_paragraph_FontCollection__1nFindT
 
 SKIKO_EXPORT KNativePointer org_jetbrains_skia_paragraph_FontCollection__1nDefaultFallbackChar
   (KNativePointer ptr, KInt unicode, KInt fontStyle, KInteropPointer locale) {
-    TODO("implement org_jetbrains_skia_paragraph_FontCollection__1nDefaultFallbackChar");
+    FontCollection* instance = reinterpret_cast<FontCollection*>(ptr);
+    return reinterpret_cast<KNativePointer>(instance->defaultFallback(unicode, skija::FontStyle::fromKotlin(fontStyle), skString(locale)).release());
 }
 
 SKIKO_EXPORT KNativePointer org_jetbrains_skia_paragraph_FontCollection__1nDefaultFallback

skiko/src/nativeJsMain/cpp/paragraph/TextStyle.cc

@@ -141,26 +141,27 @@ SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nSetFontStyle
     instance->setFontStyle(skija::FontStyle::fromKotlin(fontStyleValue));
 }
 
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_paragraph_TextStyle__1nGetShadows
+SKIKO_EXPORT KInt org_jetbrains_skia_paragraph_TextStyle__1nGetShadowsCount
   (KNativePointer ptr) {
-    TODO("implement org_jetbrains_skia_paragraph_TextStyle__1nGetShadows");
+    TextStyle* instance = reinterpret_cast<TextStyle*>(ptr);
+    return static_cast<KInt>(instance->getShadows().size());
 }
 
-#if 0
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_paragraph_TextStyle__1nGetShadows
-  (KNativePointer ptr) {
+SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nGetShadows
+  (KNativePointer ptr, KInt* res) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(ptr);
     std::vector<TextShadow> shadows = instance->getShadows();
-    KInteropPointerArray shadowsArr = env->NewObjectArray((jsize) shadows.size(), skija::paragraph::Shadow::cls, nullptr);
+
     for (int i = 0; i < shadows.size(); ++i) {
         const TextShadow& s = shadows[i];
-        skija::AutoLocal<KInteropPointer> shadowObj(env, env->NewObject(skija::paragraph::Shadow::cls, skija::paragraph::Shadow::ctor, s.fColor, s.fOffset.fX, s.fOffset.fY, s.fBlurSigma));
-        env->SetObjectArrayElement(shadowsArr, i, shadowObj.get());
+        KLong blurSigma = rawBits(s.fBlurSigma);
+        res[5*i] = s.fColor;
+        res[5*i + 1] = rawBits(s.fOffset.fX);
+        res[5*i + 2] = rawBits(s.fOffset.fY);
+        res[5*i + 3] = (KInt)(blurSigma >> 32);
+        res[5*i + 4] = (KInt)blurSigma;
     }
-    return shadowsArr;
 }
-#endif
-
 
 SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nAddShadow
   (KNativePointer ptr, KInt color, KFloat offsetX, KFloat offsetY, KDouble blurSigma) {
@@ -189,19 +190,11 @@ SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nGetFontFeatures
 }
 
 
-SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nAddFontFeature
-  (KNativePointer ptr, KInteropPointer nameStr, KInt value) {
-    TODO("implement org_jetbrains_skia_paragraph_TextStyle__1nAddFontFeature");
-}
-
-#if 0
 SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nAddFontFeature
   (KNativePointer ptr, KInteropPointer nameStr, KInt value) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(ptr);
-    instance->addFontFeature(skString(env, nameStr), value);
+    instance->addFontFeature(skString(nameStr), value);
 }
-#endif
-
 
 SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nClearFontFeatures
   (KNativePointer ptr) {
@@ -222,19 +215,15 @@ SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nSetFontSize
 }
 
 
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_paragraph_TextStyle__1nGetFontFamilies
-  (KNativePointer ptr) {
-    TODO("implement org_jetbrains_skia_paragraph_TextStyle__1nGetFontFamilies");
-}
-
-#if 0
-SKIKO_EXPORT KInteropPointerArray org_jetbrains_skia_paragraph_TextStyle__1nGetFontFamilies
+SKIKO_EXPORT KNativePointer org_jetbrains_skia_paragraph_TextStyle__1nGetFontFamilies
   (KNativePointer ptr) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(ptr);
-    return javaStringArray(env, instance->getFontFamilies());
+    std::vector<KNativePointer>* res = new std::vector<KNativePointer>();
+    for (auto& f : instance->getFontFamilies()) {
+        res->push_back(reinterpret_cast<KNativePointer>(new SkString(f)));
+    }
+    return reinterpret_cast<KNativePointer>(res);
 }
-#endif
-
 
 
 SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nSetFontFamilies
@@ -244,7 +233,6 @@ SKIKO_EXPORT void org_jetbrains_skia_paragraph_TextStyle__1nSetFontFamilies
 }
 
 
-
 SKIKO_EXPORT KFloat org_jetbrains_skia_paragraph_TextStyle__1nGetHeight
   (KNativePointer ptr) {
     TextStyle* instance = reinterpret_cast<TextStyle*>(ptr);