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optimize ImageLoaderSVG::create_image_from_utf8_buffer

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katsuhisa yuasa 2024-10-19 12:37:56 +09:00
parent 44fa552343
commit 4dad9c6c05
1 changed files with 4 additions and 22 deletions
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26
modules/svg/image_loader_svg.cpp
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@ -104,51 +104,33 @@ Error ImageLoaderSVG::create_image_from_utf8_buffer(Ref<Image> p_image, const ui
picture->size(width, height);
std::unique_ptr<tvg::SwCanvas> sw_canvas = tvg::SwCanvas::gen();
// Note: memalloc here, be sure to memfree before any return.
uint32_t *buffer = (uint32_t *)memalloc(sizeof(uint32_t) * width * height);
Vector<uint8_t> buffer;
buffer.resize(sizeof(uint32_t) * width * height);
tvg::Result res = sw_canvas->target(buffer, width, width, height, tvg::SwCanvas::ARGB8888S);
tvg::Result res = sw_canvas->target((uint32_t *)buffer.ptrw(), width, width, height, tvg::SwCanvas::ABGR8888S);
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't set target on ThorVG canvas.");
}
res = sw_canvas->push(std::move(picture));
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't insert ThorVG picture on canvas.");
}
res = sw_canvas->draw();
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't draw ThorVG pictures on canvas.");
}
res = sw_canvas->sync();
if (res != tvg::Result::Success) {
memfree(buffer);
ERR_FAIL_V_MSG(FAILED, "ImageLoaderSVG: Couldn't sync ThorVG canvas.");
}
Vector<uint8_t> image;
image.resize(width * height * sizeof(uint32_t));
for (uint32_t y = 0; y < height; y++) {
for (uint32_t x = 0; x < width; x++) {
uint32_t n = buffer[y * width + x];
const size_t offset = sizeof(uint32_t) * width * y + sizeof(uint32_t) * x;
image.write[offset + 0] = (n >> 16) & 0xff;
image.write[offset + 1] = (n >> 8) & 0xff;
image.write[offset + 2] = n & 0xff;
image.write[offset + 3] = (n >> 24) & 0xff;
}
}
p_image->set_data(width, height, false, Image::FORMAT_RGBA8, buffer);
res = sw_canvas->clear(true);
memfree(buffer);
p_image->set_data(width, height, false, Image::FORMAT_RGBA8, image);
return OK;
}