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