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27 lines
768 B
C++
27 lines
768 B
C++
#include <string>
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#include "emscripten/bind.h"
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#include "emscripten/val.h"
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#include "src/webp/decode.h"
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#include "src/webp/demux.h"
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using namespace emscripten;
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int version() {
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return WebPGetDecoderVersion();
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}
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thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
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thread_local const val ImageData = val::global("ImageData");
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val decode(std::string buffer) {
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int width, height;
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std::unique_ptr<uint8_t[]> rgba(
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WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height));
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return rgba ? ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())), width, height) : val::null();
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}
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EMSCRIPTEN_BINDINGS(my_module) {
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function("decode", &decode);
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function("version", &version);
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}
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