Refactor all properties into SkikoProperties.kt

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

 package org.jetbrains.skiko
 
 import java.io.BufferedReader
-import java.io.InputStreamReader
 import java.io.File
+import java.io.InputStreamReader
 import java.nio.file.Files
 import java.nio.file.StandardCopyOption
 
@@ -52,6 +52,7 @@ object Library {
             loadOrGet(cacheDir, resourcePath, "icudtl.dat", false)
         }
 
+        // TODO move properties to SkikoProperties
         Setup.init(
             System.getProperty("skiko.rendering.noerasebackground") != "false",
             System.getProperty("skiko.rendering.laf.global") == "true",

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

@@ -77,15 +77,15 @@ open class SkiaLayer : HardwareLayer() {
     }
 
     private val fpsCounter = FPSCounter(
-        count = System.getProperty("skiko.fps.count")?.toInt() ?: 500,
-        probability = System.getProperty("skiko.fps.probability")?.toDouble() ?: 0.97
+        count = SkikoProperties.fpsCount,
+        probability = SkikoProperties.fpsProbability
     )
 
     override suspend fun update(nanoTime: Long) {
         check(!isDisposed)
         check(isEventDispatchThread())
 
-        if (System.getProperty("skiko.fps.enabled") == "true") {
+        if (SkikoProperties.fpsEnabled) {
             fpsCounter.tick()
         }
 

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

+package org.jetbrains.skiko
+
+@Suppress("SameParameterValue")
+internal object SkikoProperties {
+    val fpsEnabled: Boolean by property("skiko.fps.enabled", default = false)
+    val fpsCount: Int by property("skiko.fps.count", default = 300)
+    val fpsProbability: Double by property("skiko.fps.probability", default = 0.97)
+
+    private fun property(name: String, default: Boolean) = lazy {
+        System.getProperty(name)?.toBoolean() ?: default
+    }
+
+    private fun property(name: String, default: Int) = lazy {
+        System.getProperty(name)?.toInt() ?: default
+    }
+
+    private fun property(name: String, default: Double) = lazy {
+        System.getProperty(name)?.toDouble() ?: default
+    }
+}
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