Files
squoosh/codecs/wp2/dec/wp2_dec.cpp
2020-11-03 12:52:13 +00:00

25 lines
689 B
C++

#include <emscripten/bind.h>
#include <emscripten/val.h>
#include <cstdio>
#include "src/wp2/decode.h"
using namespace emscripten;
thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
thread_local const val ImageData = val::global("ImageData");
val decode(std::string image_in) {
WP2::ArgbBuffer buffer(WP2_rgbA_32);
WP2Status status = WP2::Decode(image_in, &buffer);
if (status != WP2_STATUS_OK) {
return val::null();
}
return ImageData.new_(
Uint8ClampedArray.new_(typed_memory_view(buffer.stride * buffer.height, buffer.GetRow8(0))),
buffer.width, buffer.height);
}
EMSCRIPTEN_BINDINGS(my_module) {
function("decode", &decode);
}