Method onReadPixels

src/platform/web/NativeCodec.cpp:88–105

}

bool NativeCodec::onReadPixels(ColorType colorType, AlphaType alphaType, size_t dstRowBytes,
                               void* dstPixels) const {
  if (dstPixels == nullptr) {
    return false;
  }

  auto data = val::module_property("tgfx").call<val>(
      "readImagePixels", val::module_property("module"), nativeImage, width(), height());
  auto imageData = CopyDataFromUint8Array(data);
  if (imageData == nullptr) {
    return false;
  }
  auto info = ImageInfo::Make(width(), height(), ColorType::RGBA_8888, AlphaType::Unpremultiplied);
  auto dstInfo = ImageInfo::Make(width(), height(), colorType, alphaType, dstRowBytes);
  Pixmap pixmap(info, imageData->data());
  auto result = pixmap.readPixels(dstInfo, dstPixels);
  return result;
}

std::shared_ptr<ImageBuffer> NativeCodec::onMakeBuffer(bool) const {
  auto image = nativeImage;