mirror of
https://github.com/RGBCube/serenity
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bc207fd0a0
Pure code move (except of removing `static` on the two public functions in the new header), not behavior change. There isn't a lot of lossy decoder yet, but it'll make implementing it more convenient. No behavior change.
31 lines
721 B
C++
31 lines
721 B
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 <AK/Span.h>
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#include <AK/Types.h>
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#include <LibGfx/Bitmap.h>
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namespace Gfx {
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struct VP8Header {
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u8 version;
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bool show_frame;
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u32 size_of_first_partition;
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u32 width;
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u8 horizontal_scale;
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u32 height;
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u8 vertical_scale;
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ReadonlyBytes lossy_data;
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};
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// Parses the header data in a VP8 chunk. Pass the payload of a `VP8 ` chunk, after the tag and after the tag's data size.
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ErrorOr<VP8Header> decode_webp_chunk_VP8_header(ReadonlyBytes vp8_data);
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ErrorOr<NonnullRefPtr<Bitmap>> decode_webp_chunk_VP8_contents(VP8Header const&, bool include_alpha_channel);
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}
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