forked from external-repos/squoosh
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#include <emscripten/bind.h>
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#include <emscripten/val.h>
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#include <cstdio>
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#include "src/wp2/encode.h"
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using namespace emscripten;
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thread_local const val Uint8Array = val::global("Uint8Array");
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val encode(std::string image_in, int image_width, int image_height, WP2::EncoderConfig config) {
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uint8_t* image_buffer = (uint8_t*)image_in.c_str();
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WP2::ArgbBuffer src = WP2::ArgbBuffer();
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WP2Status status =
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src.Import(WP2_rgbA_32, // Format. WP2_RGBA_32 is the same but NOT premultiplied alpha
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image_width, image_height, image_buffer, 4 * image_width);
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if (status != WP2_STATUS_OK) {
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return val::null();
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}
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WP2::MemoryWriter memory_writer;
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status = WP2::Encode(src, &memory_writer, config);
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if (status != WP2_STATUS_OK) {
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return val::null();
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}
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return Uint8Array.new_(typed_memory_view(memory_writer.size_, memory_writer.mem_));
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}
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EMSCRIPTEN_BINDINGS(my_module) {
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value_object<WP2::EncoderConfig>("WP2EncoderConfig")
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.field("quality", &WP2::EncoderConfig::quality)
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.field("alpha_quality", &WP2::EncoderConfig::alpha_quality)
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.field("speed", &WP2::EncoderConfig::speed)
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.field("pass", &WP2::EncoderConfig::pass)
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.field("sns", &WP2::EncoderConfig::sns);
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function("encode", &encode);
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}
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