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_DEFAULT = 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; 102 103 //XXX: I don't really like the _DATA_ prefix 104 typedef enum { 105 QCMS_DATA_RGB_8, 106 QCMS_DATA_RGBA_8, 107 QCMS_DATA_GRAY_8, 108 QCMS_DATA_GRAYA_8 109 } qcms_data_type; 110 111 /* Format of the output data for qcms_transform_data_type() */ 112 typedef enum { 113 QCMS_OUTPUT_RGBX, 114 QCMS_OUTPUT_BGRX 115 } qcms_output_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 qcms_profile* qcms_profile_from_memory(const void *mem, size_t size); 138 139 qcms_profile* qcms_profile_from_file(FILE *file); 140 qcms_profile* qcms_profile_from_path(const char *path); 141 #ifdef _WIN32 142 qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path); 143 #endif 144 qcms_profile* qcms_profile_sRGB(void); 145 void qcms_profile_release(qcms_profile *profile); 146 147 qcms_bool qcms_profile_is_bogus(qcms_profile *profile); 148 qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile); 149 icColorSpaceSignature qcms_profile_get_color_space(qcms_profile *profile); 150 151 void qcms_profile_precache_output_transform(qcms_profile *profile); 152 153 qcms_transform* qcms_transform_create( 154 qcms_profile *in, qcms_data_type in_type, 155 qcms_profile* out, qcms_data_type out_type, 156 qcms_intent intent); 157 158 void qcms_transform_release(qcms_transform *); 159 160 void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length); 161 void qcms_transform_data_type(qcms_transform *transform, void *src, void *dest, size_t length, qcms_output_type type); 162 163 void qcms_enable_iccv4(); 164 165 #ifdef __cplusplus 166 } 167 #endif 168 169 #endif 170