mirror of
https://github.com/GoogleChromeLabs/squoosh.git
synced 2025-11-12 00:37:19 +00:00
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
#include <emscripten/bind.h>
|
|
#include <emscripten/val.h>
|
|
#include <cstdio>
|
|
#include "src/wp2/encode.h"
|
|
|
|
using namespace emscripten;
|
|
|
|
thread_local const val Uint8Array = val::global("Uint8Array");
|
|
|
|
val encode(std::string image_in, int image_width, int image_height, WP2::EncoderConfig config) {
|
|
uint8_t* image_buffer = (uint8_t*)image_in.c_str();
|
|
WP2::ArgbBuffer src = WP2::ArgbBuffer();
|
|
WP2Status status =
|
|
src.Import(WP2_rgbA_32, // Format. WP2_RGBA_32 is the same but NOT premultiplied alpha
|
|
image_width, image_height, image_buffer, 4 * image_width);
|
|
if (status != WP2_STATUS_OK) {
|
|
return val::null();
|
|
}
|
|
|
|
WP2::MemoryWriter memory_writer;
|
|
status = WP2::Encode(src, &memory_writer, config);
|
|
if (status != WP2_STATUS_OK) {
|
|
return val::null();
|
|
}
|
|
|
|
return Uint8Array.new_(typed_memory_view(memory_writer.size_, memory_writer.mem_));
|
|
}
|
|
|
|
EMSCRIPTEN_BINDINGS(my_module) {
|
|
value_object<WP2::EncoderConfig>("WP2EncoderConfig")
|
|
.field("quality", &WP2::EncoderConfig::quality)
|
|
.field("alpha_quality", &WP2::EncoderConfig::alpha_quality)
|
|
.field("speed", &WP2::EncoderConfig::speed)
|
|
.field("pass", &WP2::EncoderConfig::pass)
|
|
.field("sns", &WP2::EncoderConfig::sns);
|
|
|
|
function("encode", &encode);
|
|
}
|