ladybird/Ladybird/ImageCodecPlugin.cpp

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/*
* Copyright (c) 2022, Dex <dexes.ttp@gmail.com>
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ImageCodecPlugin.h"
#include <LibGfx/Bitmap.h>
#include <LibGfx/ImageFormats/ImageDecoder.h>
namespace Ladybird {
ImageCodecPlugin::~ImageCodecPlugin() = default;
Optional<Web::Platform::DecodedImage> ImageCodecPlugin::decode_image(ReadonlyBytes data)
{
auto decoder = Gfx::ImageDecoder::try_create_for_raw_bytes(data);
if (!decoder || !decoder->frame_count()) {
return {};
}
Vector<Web::Platform::Frame> frames;
for (size_t i = 0; i < decoder->frame_count(); ++i) {
auto frame_or_error = decoder->frame(i);
if (frame_or_error.is_error())
return {};
auto frame = frame_or_error.release_value();
frames.append({ move(frame.image), static_cast<size_t>(frame.duration) });
}
return Web::Platform::DecodedImage {
decoder->is_animated(),
static_cast<u32>(decoder->loop_count()),
move(frames),
};
}
}