ladybird/Libraries/LibGfx/ImageFormats/PNGLoader.h

40 lines
1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/ImageFormats/ImageDecoder.h>
namespace Gfx {
struct PNGLoadingContext;
class PNGImageDecoderPlugin final : public ImageDecoderPlugin {
public:
static bool sniff(ReadonlyBytes);
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
virtual ~PNGImageDecoderPlugin() override;
virtual IntSize size() override;
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
virtual size_t first_animated_frame_index() override;
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index, Optional<IntSize> ideal_size = {}) override;
virtual Optional<Metadata const&> metadata() override;
virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
private:
explicit PNGImageDecoderPlugin(ReadonlyBytes);
ErrorOr<void> initialize();
OwnPtr<PNGLoadingContext> m_context;
};
}