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94 changes: 94 additions & 0 deletions
94
compottie-dot/src/wasmJsMain/kotlin/io/github/alexzhirkevich/compottie/Conversion.wasmJs.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package io.github.alexzhirkevich.compottie | ||
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| import org.khronos.webgl.Int8Array | ||
| import org.khronos.webgl.get | ||
| import org.khronos.webgl.set | ||
| import kotlin.wasm.unsafe.UnsafeWasmMemoryApi | ||
| import kotlin.wasm.unsafe.withScopedMemoryAllocator | ||
|
|
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| internal fun createSourceStable(data : Int8Array) : JsAny = js(""" | ||
| ({ | ||
| start(c){ | ||
| console.log(data) | ||
| c.enqueue(data) | ||
| c.close() | ||
| } | ||
| }) | ||
| """) | ||
|
|
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| internal fun createSourceUnstable(data : JsReference<ByteArray>) : JsAny = js(""" | ||
| ({ | ||
| start(c){ | ||
| const size = wasmExports.kotlinArraySize(data); | ||
| const result = new Int8Array(size); | ||
| for (let i = 0; i < size; i++) { | ||
| result[i] = wasmExports.kotlinArrayGet(data, i); | ||
| } | ||
| c.enqueue(result) | ||
| c.close() | ||
| } | ||
| }) | ||
| """) | ||
|
|
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| @OptIn(ExperimentalCompottieApi::class) | ||
| internal fun Int8Array.toByteArray(): Array<Byte> { | ||
| if (L.useStableWasmMemoryManagement) { | ||
| return Array(byteLength) { | ||
| this[it] | ||
| } | ||
| } | ||
| return jsInt8ArrayToKotlinByteArray(this) | ||
| } | ||
|
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| @OptIn(ExperimentalCompottieApi::class) | ||
| internal fun ByteArray.toInt8Array() : Int8Array { | ||
| if (L.useStableWasmMemoryManagement) { | ||
| val result = Int8Array(size) | ||
| for (i in indices) { | ||
| result[i] = this[i] | ||
| } | ||
| return result | ||
| } | ||
| return byteArrayToInt8ArrayImpl(toJsReference()) | ||
| } | ||
|
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| @OptIn(ExperimentalJsExport::class) | ||
| @JsExport | ||
| private fun kotlinArrayGet(a: JsReference<ByteArray>, i: Int): Byte = a.get()[i] | ||
|
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| @OptIn(ExperimentalJsExport::class) | ||
| @JsExport | ||
| private fun kotlinArraySize(a: JsReference<ByteArray>): Int = a.get().size | ||
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| private fun byteArrayToInt8ArrayImpl(a: JsReference<ByteArray>): Int8Array = js("""{ | ||
| const size = wasmExports.kotlinArraySize(a); | ||
| const result = new Int8Array(size); | ||
| for (let i = 0; i < size; i++) { | ||
| result[i] = wasmExports.kotlinArrayGet(a, i); | ||
| } | ||
| return result; | ||
| }""") | ||
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| @JsFun( | ||
| """ (src, size, dstAddr) => { | ||
| const mem8 = new Int8Array(wasmExports.memory.buffer, dstAddr, size); | ||
| mem8.set(src); | ||
| } | ||
| """ | ||
| ) | ||
| private external fun jsExportInt8ArrayToWasm(src: Int8Array, size: Int, dstAddr: Int) | ||
|
|
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| private fun jsInt8ArrayToKotlinByteArray(x: Int8Array): Array<Byte> { | ||
| val size = x.length | ||
|
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| @OptIn(UnsafeWasmMemoryApi::class) | ||
| return withScopedMemoryAllocator { allocator -> | ||
| val memBuffer = allocator.allocate(size) | ||
| val dstAddress = memBuffer.address.toInt() | ||
| jsExportInt8ArrayToWasm(x, size, dstAddress) | ||
| Array(size) { i -> (memBuffer + i).loadByte() } | ||
| } | ||
| } |
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1 change: 1 addition & 0 deletions
1
...tie-network/src/commonMain/kotlin/io/github/alexzhirkevich/compottie/DefaultHttpClient.kt
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