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07f86db694
It's the same sRGB except it has different primaries. Differential Revision: https://phabricator.services.mozilla.com/D197013
241 lines
7.9 KiB
C++
241 lines
7.9 KiB
C++
#ifndef QCMS_H
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#define QCMS_H
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/* clang-format off */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* if we've already got an ICC_H header we can ignore the following */
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#ifndef ICC_H
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/* icc34 defines */
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/*****************************************************************
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Copyright (c) 1994-1996 SunSoft, Inc.
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Rights Reserved
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without restrict-
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ion, including without limitation the rights to use, copy, modify,
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merge, publish distribute, sublicense, and/or sell copies of the
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Software, and to permit persons to whom the Software is furnished
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to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
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INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT
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COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of SunSoft, Inc.
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shall not be used in advertising or otherwise to promote the
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sale, use or other dealings in this Software without written
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authorization from SunSoft Inc.
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******************************************************************/
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/*
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* QCMS, in general, is not threadsafe. However, it should be safe to create
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* profile and transformation objects on different threads, so long as you
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* don't use the same objects on different threads at the same time.
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*/
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/*
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* Color Space Signatures
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* Note that only icSigXYZData and icSigLabData are valid
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* Profile Connection Spaces (PCSs)
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*/
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typedef enum {
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icSigXYZData = 0x58595A20L, /* 'XYZ ' */
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icSigLabData = 0x4C616220L, /* 'Lab ' */
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icSigLuvData = 0x4C757620L, /* 'Luv ' */
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icSigYCbCrData = 0x59436272L, /* 'YCbr' */
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icSigYxyData = 0x59787920L, /* 'Yxy ' */
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icSigRgbData = 0x52474220L, /* 'RGB ' */
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icSigGrayData = 0x47524159L, /* 'GRAY' */
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icSigHsvData = 0x48535620L, /* 'HSV ' */
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icSigHlsData = 0x484C5320L, /* 'HLS ' */
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icSigCmykData = 0x434D594BL, /* 'CMYK' */
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icSigCmyData = 0x434D5920L, /* 'CMY ' */
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icSig2colorData = 0x32434C52L, /* '2CLR' */
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icSig3colorData = 0x33434C52L, /* '3CLR' */
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icSig4colorData = 0x34434C52L, /* '4CLR' */
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icSig5colorData = 0x35434C52L, /* '5CLR' */
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icSig6colorData = 0x36434C52L, /* '6CLR' */
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icSig7colorData = 0x37434C52L, /* '7CLR' */
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icSig8colorData = 0x38434C52L, /* '8CLR' */
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icSig9colorData = 0x39434C52L, /* '9CLR' */
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icSig10colorData = 0x41434C52L, /* 'ACLR' */
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icSig11colorData = 0x42434C52L, /* 'BCLR' */
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icSig12colorData = 0x43434C52L, /* 'CCLR' */
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icSig13colorData = 0x44434C52L, /* 'DCLR' */
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icSig14colorData = 0x45434C52L, /* 'ECLR' */
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icSig15colorData = 0x46434C52L, /* 'FCLR' */
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icMaxEnumData = 0xFFFFFFFFL
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} icColorSpaceSignature;
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#endif
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#include <stdio.h>
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#include <stdbool.h>
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#include <cstdint>
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struct _qcms_transform;
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typedef struct _qcms_transform qcms_transform;
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struct _qcms_profile;
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typedef struct _qcms_profile qcms_profile;
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/* these values match the Rendering Intent values from the ICC spec */
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typedef enum {
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QCMS_INTENT_MIN = 0,
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QCMS_INTENT_PERCEPTUAL = 0,
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QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
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QCMS_INTENT_SATURATION = 2,
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QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3,
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QCMS_INTENT_MAX = 3,
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/* Chris Murphy (CM consultant) suggests this as a default in the event that we
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* cannot reproduce relative + Black Point Compensation. BPC brings an
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* unacceptable performance overhead, so we go with perceptual. */
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QCMS_INTENT_DEFAULT = QCMS_INTENT_PERCEPTUAL,
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} qcms_intent;
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//XXX: I don't really like the _DATA_ prefix
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typedef enum {
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QCMS_DATA_RGB_8,
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QCMS_DATA_RGBA_8,
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QCMS_DATA_BGRA_8,
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QCMS_DATA_GRAY_8,
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QCMS_DATA_GRAYA_8,
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QCMS_DATA_CMYK
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} qcms_data_type;
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/* the names for the following two types are sort of ugly */
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typedef struct
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{
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double x;
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double y;
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double Y;
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} qcms_CIE_xyY;
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typedef struct
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{
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qcms_CIE_xyY red;
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qcms_CIE_xyY green;
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qcms_CIE_xyY blue;
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} qcms_CIE_xyYTRIPLE;
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qcms_profile* qcms_profile_create_rgb_with_gamma_set(
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qcms_CIE_xyY white_point,
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qcms_CIE_xyYTRIPLE primaries,
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float redGamma,
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float blueGamma,
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float greenGamma);
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qcms_profile* qcms_profile_create_rgb_with_gamma(
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qcms_CIE_xyY white_point,
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qcms_CIE_xyYTRIPLE primaries,
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float gamma);
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void qcms_data_create_rgb_with_gamma(
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qcms_CIE_xyY white_point,
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qcms_CIE_xyYTRIPLE primaries,
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float gamma,
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void **mem,
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size_t *size);
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/* The arguments are standardized Coding-independent Code Points
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* See [Rec. ITU-T H.273 (12/2016)](https://www.itu.int/rec/T-REC-H.273-201612-I/en)
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*
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* Don't use enums here because they can't go safely across FFI. */
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qcms_profile* qcms_profile_create_cicp(uint8_t colour_primaries,
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uint8_t transfer_characteristics);
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qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
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qcms_profile* qcms_profile_from_memory_curves_only(const void *mem, size_t size);
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qcms_profile* qcms_profile_from_file(FILE *file);
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qcms_profile* qcms_profile_from_path(const char *path);
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void qcms_data_from_path(const char *path, void **mem, size_t *size);
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#ifdef _WIN32
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qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
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void qcms_data_from_unicode_path(const wchar_t *path, void **mem, size_t *size);
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#endif
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qcms_CIE_xyY qcms_white_point_sRGB(void);
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qcms_profile* qcms_profile_sRGB(void);
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qcms_profile* qcms_profile_displayP3(void);
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void qcms_profile_release(qcms_profile *profile);
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bool qcms_profile_is_bogus(qcms_profile *profile);
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qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
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icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
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bool qcms_profile_is_sRGB(qcms_profile *profile);
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void qcms_profile_precache_output_transform(qcms_profile *profile);
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qcms_transform* qcms_transform_create(
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qcms_profile *in, qcms_data_type in_type,
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qcms_profile* out, qcms_data_type out_type,
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qcms_intent intent);
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void qcms_transform_release(qcms_transform *);
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void qcms_transform_data(qcms_transform *transform, const void *src, void *dest, size_t length);
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void qcms_enable_iccv4();
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void qcms_enable_neon();
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void qcms_enable_avx();
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// -
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/*
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struct qcms_mat3r3 {
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struct row {
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float cols[3];
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};
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row rows[3];
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};
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*/
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struct qcms_profile_data {
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uint32_t class_type;
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uint32_t color_space;
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uint32_t pcs;
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qcms_intent rendering_intent;
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float red_colorant_xyzd50[3];
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float blue_colorant_xyzd50[3];
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float green_colorant_xyzd50[3];
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int32_t linear_from_trc_red_samples;
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int32_t linear_from_trc_blue_samples;
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int32_t linear_from_trc_green_samples;
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};
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void qcms_profile_get_data(const qcms_profile*, qcms_profile_data* out_data);
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enum class qcms_color_channel : uint8_t {
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Red,
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Green,
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Blue,
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};
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void qcms_profile_get_lut(const qcms_profile*, qcms_color_channel,
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float* begin, float* end);
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#ifdef __cplusplus
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}
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#endif
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#endif
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