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comparison: gfx/qcms/qcms.h
gfx/qcms/qcms.h
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| 1 #ifndef QCMS_H | |
| 2 #define QCMS_H | |
| 3 | |
| 4 #ifdef __cplusplus | |
| 5 extern "C" { | |
| 6 #endif | |
| 7 | |
| 8 /* if we've already got an ICC_H header we can ignore the following */ | |
| 9 #ifndef ICC_H | |
| 10 /* icc34 defines */ | |
| 11 | |
| 12 /***************************************************************** | |
| 13 Copyright (c) 1994-1996 SunSoft, Inc. | |
| 14 | |
| 15 Rights Reserved | |
| 16 | |
| 17 Permission is hereby granted, free of charge, to any person | |
| 18 obtaining a copy of this software and associated documentation | |
| 19 files (the "Software"), to deal in the Software without restrict- | |
| 20 ion, including without limitation the rights to use, copy, modify, | |
| 21 merge, publish distribute, sublicense, and/or sell copies of the | |
| 22 Software, and to permit persons to whom the Software is furnished | |
| 23 to do so, subject to the following conditions: | |
| 24 | |
| 25 The above copyright notice and this permission notice shall be | |
| 26 included in all copies or substantial portions of the Software. | |
| 27 | |
| 28 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 29 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | |
| 30 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON- | |
| 31 INFRINGEMENT. IN NO EVENT SHALL SUNSOFT, INC. OR ITS PARENT | |
| 32 COMPANY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| 33 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 34 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
| 35 OTHER DEALINGS IN THE SOFTWARE. | |
| 36 | |
| 37 Except as contained in this notice, the name of SunSoft, Inc. | |
| 38 shall not be used in advertising or otherwise to promote the | |
| 39 sale, use or other dealings in this Software without written | |
| 40 authorization from SunSoft Inc. | |
| 41 ******************************************************************/ | |
| 42 | |
| 43 /* | |
| 44 * QCMS, in general, is not threadsafe. However, it should be safe to create | |
| 45 * profile and transformation objects on different threads, so long as you | |
| 46 * don't use the same objects on different threads at the same time. | |
| 47 */ | |
| 48 | |
| 49 /* | |
| 50 * Color Space Signatures | |
| 51 * Note that only icSigXYZData and icSigLabData are valid | |
| 52 * Profile Connection Spaces (PCSs) | |
| 53 */ | |
| 54 typedef enum { | |
| 55 icSigXYZData = 0x58595A20L, /* 'XYZ ' */ | |
| 56 icSigLabData = 0x4C616220L, /* 'Lab ' */ | |
| 57 icSigLuvData = 0x4C757620L, /* 'Luv ' */ | |
| 58 icSigYCbCrData = 0x59436272L, /* 'YCbr' */ | |
| 59 icSigYxyData = 0x59787920L, /* 'Yxy ' */ | |
| 60 icSigRgbData = 0x52474220L, /* 'RGB ' */ | |
| 61 icSigGrayData = 0x47524159L, /* 'GRAY' */ | |
| 62 icSigHsvData = 0x48535620L, /* 'HSV ' */ | |
| 63 icSigHlsData = 0x484C5320L, /* 'HLS ' */ | |
| 64 icSigCmykData = 0x434D594BL, /* 'CMYK' */ | |
| 65 icSigCmyData = 0x434D5920L, /* 'CMY ' */ | |
| 66 icSig2colorData = 0x32434C52L, /* '2CLR' */ | |
| 67 icSig3colorData = 0x33434C52L, /* '3CLR' */ | |
| 68 icSig4colorData = 0x34434C52L, /* '4CLR' */ | |
| 69 icSig5colorData = 0x35434C52L, /* '5CLR' */ | |
| 70 icSig6colorData = 0x36434C52L, /* '6CLR' */ | |
| 71 icSig7colorData = 0x37434C52L, /* '7CLR' */ | |
| 72 icSig8colorData = 0x38434C52L, /* '8CLR' */ | |
| 73 icSig9colorData = 0x39434C52L, /* '9CLR' */ | |
| 74 icSig10colorData = 0x41434C52L, /* 'ACLR' */ | |
| 75 icSig11colorData = 0x42434C52L, /* 'BCLR' */ | |
| 76 icSig12colorData = 0x43434C52L, /* 'CCLR' */ | |
| 77 icSig13colorData = 0x44434C52L, /* 'DCLR' */ | |
| 78 icSig14colorData = 0x45434C52L, /* 'ECLR' */ | |
| 79 icSig15colorData = 0x46434C52L, /* 'FCLR' */ | |
| 80 icMaxEnumData = 0xFFFFFFFFL | |
| 81 } icColorSpaceSignature; | |
| 82 #endif | |
| 83 | |
| 84 #include <stdio.h> | |
| 85 | |
| 86 typedef int qcms_bool; | |
| 87 | |
| 88 struct _qcms_transform; | |
| 89 typedef struct _qcms_transform qcms_transform; | |
| 90 | |
| 91 struct _qcms_profile; | |
| 92 typedef struct _qcms_profile qcms_profile; | |
| 93 | |
| 94 /* these values match the Rendering Intent values from the ICC spec */ | |
| 95 typedef enum { | |
| 96 QCMS_INTENT_MIN = 0, | |
| 97 QCMS_INTENT_PERCEPTUAL = 0, | |
| 98 QCMS_INTENT_RELATIVE_COLORIMETRIC = 1, | |
| 99 QCMS_INTENT_SATURATION = 2, | |
| 100 QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3, | |
| 101 QCMS_INTENT_MAX = 3, | |
| 102 | |
| 103 /* Chris Murphy (CM consultant) suggests this as a default in the event that we | |
| 104 * cannot reproduce relative + Black Point Compensation. BPC brings an | |
| 105 * unacceptable performance overhead, so we go with perceptual. */ | |
| 106 QCMS_INTENT_DEFAULT = QCMS_INTENT_PERCEPTUAL, | |
| 107 } qcms_intent; | |
| 108 | |
| 109 //XXX: I don't really like the _DATA_ prefix | |
| 110 typedef enum { | |
| 111 QCMS_DATA_RGB_8, | |
| 112 QCMS_DATA_RGBA_8, | |
| 113 QCMS_DATA_GRAY_8, | |
| 114 QCMS_DATA_GRAYA_8 | |
| 115 } qcms_data_type; | |
| 116 | |
| 117 /* the names for the following two types are sort of ugly */ | |
| 118 typedef struct | |
| 119 { | |
| 120 double x; | |
| 121 double y; | |
| 122 double Y; | |
| 123 } qcms_CIE_xyY; | |
| 124 | |
| 125 typedef struct | |
| 126 { | |
| 127 qcms_CIE_xyY red; | |
| 128 qcms_CIE_xyY green; | |
| 129 qcms_CIE_xyY blue; | |
| 130 } qcms_CIE_xyYTRIPLE; | |
| 131 | |
| 132 qcms_profile* qcms_profile_create_rgb_with_gamma( | |
| 133 qcms_CIE_xyY white_point, | |
| 134 qcms_CIE_xyYTRIPLE primaries, | |
| 135 float gamma); | |
| 136 | |
| 137 void qcms_data_create_rgb_with_gamma( | |
| 138 qcms_CIE_xyY white_point, | |
| 139 qcms_CIE_xyYTRIPLE primaries, | |
| 140 float gamma, | |
| 141 void **mem, | |
| 142 size_t *size); | |
| 143 | |
| 144 qcms_profile* qcms_profile_from_memory(const void *mem, size_t size); | |
| 145 | |
| 146 qcms_profile* qcms_profile_from_file(FILE *file); | |
| 147 qcms_profile* qcms_profile_from_path(const char *path); | |
| 148 | |
| 149 void qcms_data_from_path(const char *path, void **mem, size_t *size); | |
| 150 | |
| 151 #ifdef _WIN32 | |
| 152 qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path); | |
| 153 void qcms_data_from_unicode_path(const wchar_t *path, void **mem, size_t *size); | |
| 154 #endif | |
| 155 qcms_profile* qcms_profile_sRGB(void); | |
| 156 void qcms_profile_release(qcms_profile *profile); | |
| 157 | |
| 158 qcms_bool qcms_profile_is_bogus(qcms_profile *profile); | |
| 159 qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile); | |
| 160 icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile); | |
| 161 | |
| 162 void qcms_profile_precache_output_transform(qcms_profile *profile); | |
| 163 | |
| 164 qcms_transform* qcms_transform_create( | |
| 165 qcms_profile *in, qcms_data_type in_type, | |
| 166 qcms_profile* out, qcms_data_type out_type, | |
| 167 qcms_intent intent); | |
| 168 | |
| 169 void qcms_transform_release(qcms_transform *); | |
| 170 | |
| 171 void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length); | |
| 172 | |
| 173 void qcms_enable_iccv4(); | |
| 174 | |
| 175 #ifdef __cplusplus | |
| 176 } | |
| 177 #endif | |
| 178 | |
| 179 #endif |
