1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/qcms/qcms.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,179 @@
1.4 +#ifndef QCMS_H
1.5 +#define QCMS_H
1.6 +
1.7 +#ifdef __cplusplus
1.8 +extern "C" {
1.9 +#endif
1.10 +
1.11 +/* if we've already got an ICC_H header we can ignore the following */
1.12 +#ifndef ICC_H
1.13 +/* icc34 defines */
1.14 +
1.15 +/*****************************************************************
1.16 + Copyright (c) 1994-1996 SunSoft, Inc.
1.17 +
1.18 + Rights Reserved
1.19 +
1.20 +Permission is hereby granted, free of charge, to any person
1.21 +obtaining a copy of this software and associated documentation
1.22 +files (the "Software"), to deal in the Software without restrict-
1.23 +ion, including without limitation the rights to use, copy, modify,
1.24 +merge, publish distribute, sublicense, and/or sell copies of the
1.25 +Software, and to permit persons to whom the Software is furnished
1.26 +to do so, subject to the following conditions:
1.27 +
1.28 +The above copyright notice and this permission notice shall be
1.29 +included in all copies or substantial portions of the Software.
1.30 +
1.31 +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
1.32 +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
1.33 +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-
1.34 +INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT
1.35 +COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
1.36 +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
1.37 +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
1.38 +OTHER DEALINGS IN THE SOFTWARE.
1.39 +
1.40 +Except as contained in this notice, the name of SunSoft, Inc.
1.41 +shall not be used in advertising or otherwise to promote the
1.42 +sale, use or other dealings in this Software without written
1.43 +authorization from SunSoft Inc.
1.44 +******************************************************************/
1.45 +
1.46 +/*
1.47 + * QCMS, in general, is not threadsafe. However, it should be safe to create
1.48 + * profile and transformation objects on different threads, so long as you
1.49 + * don't use the same objects on different threads at the same time.
1.50 + */
1.51 +
1.52 +/*
1.53 + * Color Space Signatures
1.54 + * Note that only icSigXYZData and icSigLabData are valid
1.55 + * Profile Connection Spaces (PCSs)
1.56 + */
1.57 +typedef enum {
1.58 + icSigXYZData = 0x58595A20L, /* 'XYZ ' */
1.59 + icSigLabData = 0x4C616220L, /* 'Lab ' */
1.60 + icSigLuvData = 0x4C757620L, /* 'Luv ' */
1.61 + icSigYCbCrData = 0x59436272L, /* 'YCbr' */
1.62 + icSigYxyData = 0x59787920L, /* 'Yxy ' */
1.63 + icSigRgbData = 0x52474220L, /* 'RGB ' */
1.64 + icSigGrayData = 0x47524159L, /* 'GRAY' */
1.65 + icSigHsvData = 0x48535620L, /* 'HSV ' */
1.66 + icSigHlsData = 0x484C5320L, /* 'HLS ' */
1.67 + icSigCmykData = 0x434D594BL, /* 'CMYK' */
1.68 + icSigCmyData = 0x434D5920L, /* 'CMY ' */
1.69 + icSig2colorData = 0x32434C52L, /* '2CLR' */
1.70 + icSig3colorData = 0x33434C52L, /* '3CLR' */
1.71 + icSig4colorData = 0x34434C52L, /* '4CLR' */
1.72 + icSig5colorData = 0x35434C52L, /* '5CLR' */
1.73 + icSig6colorData = 0x36434C52L, /* '6CLR' */
1.74 + icSig7colorData = 0x37434C52L, /* '7CLR' */
1.75 + icSig8colorData = 0x38434C52L, /* '8CLR' */
1.76 + icSig9colorData = 0x39434C52L, /* '9CLR' */
1.77 + icSig10colorData = 0x41434C52L, /* 'ACLR' */
1.78 + icSig11colorData = 0x42434C52L, /* 'BCLR' */
1.79 + icSig12colorData = 0x43434C52L, /* 'CCLR' */
1.80 + icSig13colorData = 0x44434C52L, /* 'DCLR' */
1.81 + icSig14colorData = 0x45434C52L, /* 'ECLR' */
1.82 + icSig15colorData = 0x46434C52L, /* 'FCLR' */
1.83 + icMaxEnumData = 0xFFFFFFFFL
1.84 +} icColorSpaceSignature;
1.85 +#endif
1.86 +
1.87 +#include <stdio.h>
1.88 +
1.89 +typedef int qcms_bool;
1.90 +
1.91 +struct _qcms_transform;
1.92 +typedef struct _qcms_transform qcms_transform;
1.93 +
1.94 +struct _qcms_profile;
1.95 +typedef struct _qcms_profile qcms_profile;
1.96 +
1.97 +/* these values match the Rendering Intent values from the ICC spec */
1.98 +typedef enum {
1.99 + QCMS_INTENT_MIN = 0,
1.100 + QCMS_INTENT_PERCEPTUAL = 0,
1.101 + QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
1.102 + QCMS_INTENT_SATURATION = 2,
1.103 + QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3,
1.104 + QCMS_INTENT_MAX = 3,
1.105 +
1.106 + /* Chris Murphy (CM consultant) suggests this as a default in the event that we
1.107 + * cannot reproduce relative + Black Point Compensation. BPC brings an
1.108 + * unacceptable performance overhead, so we go with perceptual. */
1.109 + QCMS_INTENT_DEFAULT = QCMS_INTENT_PERCEPTUAL,
1.110 +} qcms_intent;
1.111 +
1.112 +//XXX: I don't really like the _DATA_ prefix
1.113 +typedef enum {
1.114 + QCMS_DATA_RGB_8,
1.115 + QCMS_DATA_RGBA_8,
1.116 + QCMS_DATA_GRAY_8,
1.117 + QCMS_DATA_GRAYA_8
1.118 +} qcms_data_type;
1.119 +
1.120 +/* the names for the following two types are sort of ugly */
1.121 +typedef struct
1.122 +{
1.123 + double x;
1.124 + double y;
1.125 + double Y;
1.126 +} qcms_CIE_xyY;
1.127 +
1.128 +typedef struct
1.129 +{
1.130 + qcms_CIE_xyY red;
1.131 + qcms_CIE_xyY green;
1.132 + qcms_CIE_xyY blue;
1.133 +} qcms_CIE_xyYTRIPLE;
1.134 +
1.135 +qcms_profile* qcms_profile_create_rgb_with_gamma(
1.136 + qcms_CIE_xyY white_point,
1.137 + qcms_CIE_xyYTRIPLE primaries,
1.138 + float gamma);
1.139 +
1.140 +void qcms_data_create_rgb_with_gamma(
1.141 + qcms_CIE_xyY white_point,
1.142 + qcms_CIE_xyYTRIPLE primaries,
1.143 + float gamma,
1.144 + void **mem,
1.145 + size_t *size);
1.146 +
1.147 +qcms_profile* qcms_profile_from_memory(const void *mem, size_t size);
1.148 +
1.149 +qcms_profile* qcms_profile_from_file(FILE *file);
1.150 +qcms_profile* qcms_profile_from_path(const char *path);
1.151 +
1.152 +void qcms_data_from_path(const char *path, void **mem, size_t *size);
1.153 +
1.154 +#ifdef _WIN32
1.155 +qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path);
1.156 +void qcms_data_from_unicode_path(const wchar_t *path, void **mem, size_t *size);
1.157 +#endif
1.158 +qcms_profile* qcms_profile_sRGB(void);
1.159 +void qcms_profile_release(qcms_profile *profile);
1.160 +
1.161 +qcms_bool qcms_profile_is_bogus(qcms_profile *profile);
1.162 +qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile);
1.163 +icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile);
1.164 +
1.165 +void qcms_profile_precache_output_transform(qcms_profile *profile);
1.166 +
1.167 +qcms_transform* qcms_transform_create(
1.168 + qcms_profile *in, qcms_data_type in_type,
1.169 + qcms_profile* out, qcms_data_type out_type,
1.170 + qcms_intent intent);
1.171 +
1.172 +void qcms_transform_release(qcms_transform *);
1.173 +
1.174 +void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
1.175 +
1.176 +void qcms_enable_iccv4();
1.177 +
1.178 +#ifdef __cplusplus
1.179 +}
1.180 +#endif
1.181 +
1.182 +#endif
