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https://github.com/RGBCube/serenity
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e7cddda7e1
The ideal size is the size the user will display the image. Raster formats should ignore this parameter, but vector formats can use it to generate a bitmap of the ideal size.
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*
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* Copyright (c) 2023, Nico Weber <thakis@chromium.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 WebPLoadingContext;
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class WebPImageDecoderPlugin 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 ~WebPImageDecoderPlugin() override;
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virtual IntSize size() override;
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virtual void set_volatile() override;
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[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
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virtual ErrorOr<void> initialize() 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 ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
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private:
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bool set_error(ErrorOr<void> const&);
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WebPImageDecoderPlugin(ReadonlyBytes, OwnPtr<WebPLoadingContext>);
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OwnPtr<WebPLoadingContext> m_context;
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};
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}
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