mirror of
https://github.com/RGBCube/serenity
synced 2025-07-10 09:17:34 +00:00
69 lines
1.2 KiB
C++
69 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2023, Lucas Chollet <lucas.chollet@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Variant.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibGfx/Size.h>
|
|
|
|
namespace Gfx {
|
|
|
|
namespace TIFF {
|
|
|
|
enum class Type {
|
|
Byte = 1,
|
|
ASCII = 2,
|
|
UnsignedShort = 3,
|
|
UnsignedLong = 4,
|
|
UnsignedRational = 5,
|
|
Undefined = 7,
|
|
SignedLong = 9,
|
|
SignedRational = 10,
|
|
Float = 11,
|
|
Double = 12,
|
|
UTF8 = 129,
|
|
};
|
|
|
|
template<OneOf<u32, i32> x32>
|
|
struct Rational {
|
|
using Type = x32;
|
|
x32 numerator;
|
|
x32 denominator;
|
|
};
|
|
|
|
using Value = Variant<u8, String, u16, u32, Rational<u32>, i32, Rational<i32>>;
|
|
|
|
// This enum is progessively defined across sections but summarized in:
|
|
// Appendix A: TIFF Tags Sorted by Number
|
|
enum class Compression {
|
|
NoCompression = 1,
|
|
CCITT = 2,
|
|
Group3Fax = 3,
|
|
Group4Fax = 4,
|
|
LZW = 5,
|
|
JPEG = 6,
|
|
PackBits = 32773,
|
|
};
|
|
|
|
enum class Predictor {
|
|
None = 1,
|
|
HorizontalDifferencing = 2,
|
|
};
|
|
|
|
}
|
|
|
|
struct Metadata {
|
|
IntSize size {};
|
|
Array<u16, 3> bits_per_sample {};
|
|
TIFF::Compression compression {};
|
|
TIFF::Predictor predictor {};
|
|
Vector<u32> strip_offsets {};
|
|
u32 rows_per_strip {};
|
|
Vector<u32> strip_bytes_count {};
|
|
};
|
|
|
|
}
|