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This patch adds support for color management in BMPs added in BITMAPV4HEADER and BITMAPV5HEADER. While display of BMPs is relatively rare this comes in handy when interacting with the Windows clipboard. Differential Revision: https://phabricator.services.mozilla.com/D64880 --HG-- extra : moz-landing-system : lando
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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WINDOWS = 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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