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1d0a762cdb
As described in the first edition of the TIFF technical notes, the IFD type is identical to Long (UnsignedLong) except that it only contains offset of valid IFDs. https://www.awaresystems.be/imaging/tiff/specification/TIFFPM6.pdf
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
/*
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* Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.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/MemoryStream.h>
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#include <LibGfx/ImageFormats/ImageDecoder.h>
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namespace Gfx {
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// This is a link to the main TIFF specification from 1992
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// https://www.itu.int/itudoc/itu-t/com16/tiff-fx/docs/tiff6.pdf
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// First TIFF Technical notes from 1995
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// https://www.awaresystems.be/imaging/tiff/specification/TIFFPM6.pdf
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namespace TIFF {
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class TIFFLoadingContext;
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}
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class TIFFImageDecoderPlugin : 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 ~TIFFImageDecoderPlugin() override = default;
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virtual IntSize size() 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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TIFFImageDecoderPlugin(NonnullOwnPtr<FixedMemoryStream>);
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OwnPtr<TIFF::TIFFLoadingContext> m_context;
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};
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}
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