mirror of
https://github.com/RGBCube/serenity
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69 lines
1.2 KiB
C++
69 lines
1.2 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/Variant.h>
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#include <AK/Vector.h>
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#include <LibGfx/Size.h>
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namespace Gfx {
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namespace TIFF {
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enum class Type {
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Byte = 1,
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ASCII = 2,
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UnsignedShort = 3,
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UnsignedLong = 4,
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UnsignedRational = 5,
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Undefined = 7,
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SignedLong = 9,
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SignedRational = 10,
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Float = 11,
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Double = 12,
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UTF8 = 129,
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};
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template<OneOf<u32, i32> x32>
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struct Rational {
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using Type = x32;
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x32 numerator;
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x32 denominator;
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};
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using Value = Variant<u8, String, u16, u32, Rational<u32>, i32, Rational<i32>>;
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// This enum is progessively defined across sections but summarized in:
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// Appendix A: TIFF Tags Sorted by Number
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enum class Compression {
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NoCompression = 1,
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CCITT = 2,
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Group3Fax = 3,
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Group4Fax = 4,
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LZW = 5,
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JPEG = 6,
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PackBits = 32773,
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};
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enum class Predictor {
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None = 1,
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HorizontalDifferencing = 2,
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};
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}
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struct Metadata {
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IntSize size {};
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Array<u16, 3> bits_per_sample {};
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TIFF::Compression compression {};
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TIFF::Predictor predictor {};
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Vector<u32> strip_offsets {};
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u32 rows_per_strip {};
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Vector<u32> strip_bytes_count {};
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};
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}
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