blob: 9bc7a1b7a6d252ced4271a4d90920758509e7b30 [file] [log] [blame]
* Copyright 2019 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef WasmCommon_DEFINED
#define WasmCommon_DEFINED
#include <emscripten.h>
#include <emscripten/bind.h>
#include "include/core/SkColor.h"
using namespace emscripten;
// Self-documenting types
using JSArray = emscripten::val;
using JSObject = emscripten::val;
using JSString = emscripten::val;
using SkPathOrNull = emscripten::val;
using TypedArray = emscripten::val;
using Uint8Array = emscripten::val;
using Uint16Array = emscripten::val;
using Uint32Array = emscripten::val;
using Float32Array = emscripten::val;
* Create a typed-array (in the JS heap) and initialize it with the provided
* data (from the wasm heap). The caller is responsible for matching the type of data
* with the specified arrayType.
* TODO: can we specialize this on T and provide the correct string?
* e.g. T==uint8_t --> "Uint8Array"
template <typename T>
TypedArray MakeTypedArray(int count, const T src[], const char arrayType[]) {
emscripten::val length = emscripten::val(count);
emscripten::val jarray = emscripten::val::global(arrayType).new_(count);<void>("set", val(typed_memory_view(count, src)));
return jarray;