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54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_image_BMPHeaders_h
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#define mozilla_image_BMPHeaders_h
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#include <stddef.h>
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#include <stdint.h>
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namespace mozilla {
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namespace image {
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namespace bmp {
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// The length of the file header as defined in the BMP spec.
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static const size_t FILE_HEADER_LENGTH = 14;
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// This lengths of the info header for the different BMP versions.
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struct InfoHeaderLength {
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enum {
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WIN_V2 = 12,
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WIN_V3 = 40,
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WIN_V4 = 108,
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WIN_V5 = 124,
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// OS2_V1 is omitted; it's the same as WIN_V2.
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OS2_V2_MIN = 16, // Minimum allowed value for OS2v2.
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OS2_V2_MAX = 64, // Maximum allowed value for OS2v2.
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WIN_ICO = WIN_V3,
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};
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};
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enum class InfoColorSpace : uint32_t {
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CALIBRATED_RGB = 0x00000000,
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SRGB = 0x73524742,
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WIN = 0x57696E20,
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LINKED = 0x4C494E4B,
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EMBEDDED = 0x4D424544,
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};
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enum class InfoColorIntent : uint32_t {
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BUSINESS = 0x00000001,
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GRAPHICS = 0x00000002,
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IMAGES = 0x00000004,
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ABS_COLORIMETRIC = 0x00000008,
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};
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} // namespace bmp
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} // namespace image
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} // namespace mozilla
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#endif // mozilla_image_BMPHeaders_h
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