/* See LICENSE file for copyright and license details. */ #ifndef LIBCOLOUR_H #define LIBCOLOUR_H #include #if defined(__GNUC__) && !defined(__clang__) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wpadded" #elif defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wpadded" #endif #define LIBCOLOUR_ILL__(S, T, X_, Y_) (S){.model = LIBCOLOUR_CIEXYY, .x = (T)(X_), .y = (T)(Y_), .Y = 1} #define LIBCOLOUR_F__(X_, Y_) LIBCOLOUR_ILL__(libcolour_ciexyy_f_t, float, (X_), (Y_)) #define LIBCOLOUR_LF__(X_, Y_) LIBCOLOUR_ILL__(libcolour_ciexyy_lf_t, double, (X_), (Y_)) #define LIBCOLOUR_LLF__(X_, Y_) LIBCOLOUR_ILL__(libcolour_ciexyy_llf_t, long double, (X_##L), (Y_##L)) /* 2-degrees observer standard illuminants */ #define LIBCOLOUR_ILLUMINANT_A_F LIBCOLOUR_F__(0.447573514098910552050369915378, 0.407439444306660847328060981454) #define LIBCOLOUR_ILLUMINANT_B_F LIBCOLOUR_F__(0.348407693041403399014654951316, 0.351617234807268863594487129376) #define LIBCOLOUR_ILLUMINANT_C_F LIBCOLOUR_F__(0.310058473730255412803558101587, 0.316149707523236456196968902077) #define LIBCOLOUR_ILLUMINANT_D50_F LIBCOLOUR_F__(0.345668037029273123028616510055, 0.358496838937619077825047497754) #define LIBCOLOUR_ILLUMINANT_D55_F LIBCOLOUR_F__(0.332424102468830251488896010414, 0.347428039087666229445261478759) #define LIBCOLOUR_ILLUMINANT_D65_F LIBCOLOUR_F__(0.312726871026564878786047074755, 0.329023206641284038376227272238) #define LIBCOLOUR_ILLUMINANT_D75_F LIBCOLOUR_F__(0.299022300412497055166483050925, 0.314852737888341893679466920730) #define LIBCOLOUR_ILLUMINANT_E_F LIBCOLOUR_F__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_F LIBCOLOUR_F__(0.313062433035651010992950205036, 0.337106477918307445573731229160) #define LIBCOLOUR_ILLUMINANT_F2_F LIBCOLOUR_F__(0.372068154452825539113547392844, 0.375122558203110079144693145281) #define LIBCOLOUR_ILLUMINANT_F3_F LIBCOLOUR_F__(0.409090035308107391465171076561, 0.394117134255365986206243178458) #define LIBCOLOUR_ILLUMINANT_F4_F LIBCOLOUR_F__(0.440181095827666568620628595454, 0.403090691158138336724903183494) #define LIBCOLOUR_ILLUMINANT_F5_F LIBCOLOUR_F__(0.313756583095696484075887155996, 0.345160794752101929283583103825) #define LIBCOLOUR_ILLUMINANT_F6_F LIBCOLOUR_F__(0.377882361062687466279896852939, 0.388192885537868959122675960316) #define LIBCOLOUR_ILLUMINANT_F7_F LIBCOLOUR_F__(0.312852472915475354753311876266, 0.329174178033567632617462095368) #define LIBCOLOUR_ILLUMINANT_F8_F LIBCOLOUR_F__(0.345805753550315952971061506105, 0.358617583214377477762724311106) #define LIBCOLOUR_ILLUMINANT_F9_F LIBCOLOUR_F__(0.374105245592801061160770359493, 0.372672400924498159469067104510) #define LIBCOLOUR_ILLUMINANT_F10_F LIBCOLOUR_F__(0.346086913993929323751785886998, 0.358751605952200347537939251197) #define LIBCOLOUR_ILLUMINANT_F11_F LIBCOLOUR_F__(0.380537485483030235577928124258, 0.376915309293930078649026427229) #define LIBCOLOUR_ILLUMINANT_F12_F LIBCOLOUR_F__(0.437023901312296902954557253906, 0.404214327891585678553809657387) #define LIBCOLOUR_ILLUMINANT_A_LF LIBCOLOUR_LF__(0.447573514098910552050369915378, 0.407439444306660847328060981454) #define LIBCOLOUR_ILLUMINANT_B_LF LIBCOLOUR_LF__(0.348407693041403399014654951316, 0.351617234807268863594487129376) #define LIBCOLOUR_ILLUMINANT_C_LF LIBCOLOUR_LF__(0.310058473730255412803558101587, 0.316149707523236456196968902077) #define LIBCOLOUR_ILLUMINANT_D50_LF LIBCOLOUR_LF__(0.345668037029273123028616510055, 0.358496838937619077825047497754) #define LIBCOLOUR_ILLUMINANT_D55_LF LIBCOLOUR_LF__(0.332424102468830251488896010414, 0.347428039087666229445261478759) #define LIBCOLOUR_ILLUMINANT_D65_LF LIBCOLOUR_LF__(0.312726871026564878786047074755, 0.329023206641284038376227272238) #define LIBCOLOUR_ILLUMINANT_D75_LF LIBCOLOUR_LF__(0.299022300412497055166483050925, 0.314852737888341893679466920730) #define LIBCOLOUR_ILLUMINANT_E_LF LIBCOLOUR_LF__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_LF LIBCOLOUR_LF__(0.313062433035651010992950205036, 0.337106477918307445573731229160) #define LIBCOLOUR_ILLUMINANT_F2_LF LIBCOLOUR_LF__(0.372068154452825539113547392844, 0.375122558203110079144693145281) #define LIBCOLOUR_ILLUMINANT_F3_LF LIBCOLOUR_LF__(0.409090035308107391465171076561, 0.394117134255365986206243178458) #define LIBCOLOUR_ILLUMINANT_F4_LF LIBCOLOUR_LF__(0.440181095827666568620628595454, 0.403090691158138336724903183494) #define LIBCOLOUR_ILLUMINANT_F5_LF LIBCOLOUR_LF__(0.313756583095696484075887155996, 0.345160794752101929283583103825) #define LIBCOLOUR_ILLUMINANT_F6_LF LIBCOLOUR_LF__(0.377882361062687466279896852939, 0.388192885537868959122675960316) #define LIBCOLOUR_ILLUMINANT_F7_LF LIBCOLOUR_LF__(0.312852472915475354753311876266, 0.329174178033567632617462095368) #define LIBCOLOUR_ILLUMINANT_F8_LF LIBCOLOUR_LF__(0.345805753550315952971061506105, 0.358617583214377477762724311106) #define LIBCOLOUR_ILLUMINANT_F9_LF LIBCOLOUR_LF__(0.374105245592801061160770359493, 0.372672400924498159469067104510) #define LIBCOLOUR_ILLUMINANT_F10_LF LIBCOLOUR_LF__(0.346086913993929323751785886998, 0.358751605952200347537939251197) #define LIBCOLOUR_ILLUMINANT_F11_LF LIBCOLOUR_LF__(0.380537485483030235577928124258, 0.376915309293930078649026427229) #define LIBCOLOUR_ILLUMINANT_F12_LF LIBCOLOUR_LF__(0.437023901312296902954557253906, 0.404214327891585678553809657387) #define LIBCOLOUR_ILLUMINANT_A_LLF LIBCOLOUR_LLF__(0.447573514098910552050369915378, 0.407439444306660847328060981454) #define LIBCOLOUR_ILLUMINANT_B_LLF LIBCOLOUR_LLF__(0.348407693041403399014654951316, 0.351617234807268863594487129376) #define LIBCOLOUR_ILLUMINANT_C_LLF LIBCOLOUR_LLF__(0.310058473730255412803558101587, 0.316149707523236456196968902077) #define LIBCOLOUR_ILLUMINANT_D50_LLF LIBCOLOUR_LLF__(0.345668037029273123028616510055, 0.358496838937619077825047497754) #define LIBCOLOUR_ILLUMINANT_D55_LLF LIBCOLOUR_LLF__(0.332424102468830251488896010414, 0.347428039087666229445261478759) #define LIBCOLOUR_ILLUMINANT_D65_LLF LIBCOLOUR_LLF__(0.312726871026564878786047074755, 0.329023206641284038376227272238) #define LIBCOLOUR_ILLUMINANT_D75_LLF LIBCOLOUR_LLF__(0.299022300412497055166483050925, 0.314852737888341893679466920730) #define LIBCOLOUR_ILLUMINANT_E_LLF LIBCOLOUR_LLF__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_LLF LIBCOLOUR_LLF__(0.313062433035651010992950205036, 0.337106477918307445573731229160) #define LIBCOLOUR_ILLUMINANT_F2_LLF LIBCOLOUR_LLF__(0.372068154452825539113547392844, 0.375122558203110079144693145281) #define LIBCOLOUR_ILLUMINANT_F3_LLF LIBCOLOUR_LLF__(0.409090035308107391465171076561, 0.394117134255365986206243178458) #define LIBCOLOUR_ILLUMINANT_F4_LLF LIBCOLOUR_LLF__(0.440181095827666568620628595454, 0.403090691158138336724903183494) #define LIBCOLOUR_ILLUMINANT_F5_LLF LIBCOLOUR_LLF__(0.313756583095696484075887155996, 0.345160794752101929283583103825) #define LIBCOLOUR_ILLUMINANT_F6_LLF LIBCOLOUR_LLF__(0.377882361062687466279896852939, 0.388192885537868959122675960316) #define LIBCOLOUR_ILLUMINANT_F7_LLF LIBCOLOUR_LLF__(0.312852472915475354753311876266, 0.329174178033567632617462095368) #define LIBCOLOUR_ILLUMINANT_F8_LLF LIBCOLOUR_LLF__(0.345805753550315952971061506105, 0.358617583214377477762724311106) #define LIBCOLOUR_ILLUMINANT_F9_LLF LIBCOLOUR_LLF__(0.374105245592801061160770359493, 0.372672400924498159469067104510) #define LIBCOLOUR_ILLUMINANT_F10_LLF LIBCOLOUR_LLF__(0.346086913993929323751785886998, 0.358751605952200347537939251197) #define LIBCOLOUR_ILLUMINANT_F11_LLF LIBCOLOUR_LLF__(0.380537485483030235577928124258, 0.376915309293930078649026427229) #define LIBCOLOUR_ILLUMINANT_F12_LLF LIBCOLOUR_LLF__(0.437023901312296902954557253906, 0.404214327891585678553809657387) /* 10-degrees observer standard illuminants */ #define LIBCOLOUR_ILLUMINANT_A_10DEG_OBS_F LIBCOLOUR_F__(0.451173939693730152722395132514, 0.405936604212625562482230634487) #define LIBCOLOUR_ILLUMINANT_B_10DEG_OBS_F LIBCOLOUR_F__(0.349819801494100579564161535018, 0.352687989927865819250740742063) #define LIBCOLOUR_ILLUMINANT_C_10DEG_OBS_F LIBCOLOUR_F__(0.310388663270034004248998371622, 0.319050711366790695766582075521) #define LIBCOLOUR_ILLUMINANT_D50_10DEG_OBS_F LIBCOLOUR_F__(0.347729429961154856698613002663, 0.359522508516545380441442603114) #define LIBCOLOUR_ILLUMINANT_D55_10DEG_OBS_F LIBCOLOUR_F__(0.334116336430253457745465084372, 0.348766090975953568786849245953) #define LIBCOLOUR_ILLUMINANT_D65_10DEG_OBS_F LIBCOLOUR_F__(0.313823646938709621689866935412, 0.330998985489933561510156323493) #define LIBCOLOUR_ILLUMINANT_D75_10DEG_OBS_F LIBCOLOUR_F__(0.299679971345752860223399238748, 0.317403239854836705102769656150) #define LIBCOLOUR_ILLUMINANT_E_10DEG_OBS_F LIBCOLOUR_F__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_10DEG_OBS_F LIBCOLOUR_F__(0.318098801070991199502202562144, 0.335489451474129951602520804954) #define LIBCOLOUR_ILLUMINANT_F2_10DEG_OBS_F LIBCOLOUR_F__(0.379274832262508854174853922814, 0.367227934400669309145115448700) #define LIBCOLOUR_ILLUMINANT_F3_10DEG_OBS_F LIBCOLOUR_F__(0.417644682102624287267644831445, 0.383124504918675723441623404142) #define LIBCOLOUR_ILLUMINANT_F4_10DEG_OBS_F LIBCOLOUR_F__(0.449247699162001246087072559021, 0.390605475879083674506375700730) #define LIBCOLOUR_ILLUMINANT_F5_10DEG_OBS_F LIBCOLOUR_F__(0.319739939104951298443069163113, 0.342367055369128092667807550242) #define LIBCOLOUR_ILLUMINANT_F6_10DEG_OBS_F LIBCOLOUR_F__(0.386626908526034762658696308790, 0.378372201588893453116924092683) #define LIBCOLOUR_ILLUMINANT_F7_10DEG_OBS_F LIBCOLOUR_F__(0.315645637312390425766039925293, 0.329508145132134222521358424274) #define LIBCOLOUR_ILLUMINANT_F8_10DEG_OBS_F LIBCOLOUR_F__(0.348965563721531868424108324689, 0.359317299140994528272585739614) #define LIBCOLOUR_ILLUMINANT_F9_10DEG_OBS_F LIBCOLOUR_F__(0.378258900384649654480284652891, 0.370371375730762564248976786985) #define LIBCOLOUR_ILLUMINANT_F10_10DEG_OBS_F LIBCOLOUR_F__(0.350893389986753234666139178444, 0.354302210111646531665030579461) #define LIBCOLOUR_ILLUMINANT_F11_10DEG_OBS_F LIBCOLOUR_F__(0.385435391037903751776383387551, 0.371094786781121399599214782938) #define LIBCOLOUR_ILLUMINANT_F12_10DEG_OBS_F LIBCOLOUR_F__(0.442654456042513022584472537346, 0.397060737666593277506166259627) #define LIBCOLOUR_ILLUMINANT_A_10DEG_OBS_LF LIBCOLOUR_LF__(0.451173939693730152722395132514, 0.405936604212625562482230634487) #define LIBCOLOUR_ILLUMINANT_B_10DEG_OBS_LF LIBCOLOUR_LF__(0.349819801494100579564161535018, 0.352687989927865819250740742063) #define LIBCOLOUR_ILLUMINANT_C_10DEG_OBS_LF LIBCOLOUR_LF__(0.310388663270034004248998371622, 0.319050711366790695766582075521) #define LIBCOLOUR_ILLUMINANT_D50_10DEG_OBS_LF LIBCOLOUR_LF__(0.347729429961154856698613002663, 0.359522508516545380441442603114) #define LIBCOLOUR_ILLUMINANT_D55_10DEG_OBS_LF LIBCOLOUR_LF__(0.334116336430253457745465084372, 0.348766090975953568786849245953) #define LIBCOLOUR_ILLUMINANT_D65_10DEG_OBS_LF LIBCOLOUR_LF__(0.313823646938709621689866935412, 0.330998985489933561510156323493) #define LIBCOLOUR_ILLUMINANT_D75_10DEG_OBS_LF LIBCOLOUR_LF__(0.299679971345752860223399238748, 0.317403239854836705102769656150) #define LIBCOLOUR_ILLUMINANT_E_10DEG_OBS_LF LIBCOLOUR_LF__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_10DEG_OBS_LF LIBCOLOUR_LF__(0.318098801070991199502202562144, 0.335489451474129951602520804954) #define LIBCOLOUR_ILLUMINANT_F2_10DEG_OBS_LF LIBCOLOUR_LF__(0.379274832262508854174853922814, 0.367227934400669309145115448700) #define LIBCOLOUR_ILLUMINANT_F3_10DEG_OBS_LF LIBCOLOUR_LF__(0.417644682102624287267644831445, 0.383124504918675723441623404142) #define LIBCOLOUR_ILLUMINANT_F4_10DEG_OBS_LF LIBCOLOUR_LF__(0.449247699162001246087072559021, 0.390605475879083674506375700730) #define LIBCOLOUR_ILLUMINANT_F5_10DEG_OBS_LF LIBCOLOUR_LF__(0.319739939104951298443069163113, 0.342367055369128092667807550242) #define LIBCOLOUR_ILLUMINANT_F6_10DEG_OBS_LF LIBCOLOUR_LF__(0.386626908526034762658696308790, 0.378372201588893453116924092683) #define LIBCOLOUR_ILLUMINANT_F7_10DEG_OBS_LF LIBCOLOUR_LF__(0.315645637312390425766039925293, 0.329508145132134222521358424274) #define LIBCOLOUR_ILLUMINANT_F8_10DEG_OBS_LF LIBCOLOUR_LF__(0.348965563721531868424108324689, 0.359317299140994528272585739614) #define LIBCOLOUR_ILLUMINANT_F9_10DEG_OBS_LF LIBCOLOUR_LF__(0.378258900384649654480284652891, 0.370371375730762564248976786985) #define LIBCOLOUR_ILLUMINANT_F10_10DEG_OBS_LF LIBCOLOUR_LF__(0.350893389986753234666139178444, 0.354302210111646531665030579461) #define LIBCOLOUR_ILLUMINANT_F11_10DEG_OBS_LF LIBCOLOUR_LF__(0.385435391037903751776383387551, 0.371094786781121399599214782938) #define LIBCOLOUR_ILLUMINANT_F12_10DEG_OBS_LF LIBCOLOUR_LF__(0.442654456042513022584472537346, 0.397060737666593277506166259627) #define LIBCOLOUR_ILLUMINANT_A_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.451173939693730152722395132514, 0.405936604212625562482230634487) #define LIBCOLOUR_ILLUMINANT_B_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.349819801494100579564161535018, 0.352687989927865819250740742063) #define LIBCOLOUR_ILLUMINANT_C_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.310388663270034004248998371622, 0.319050711366790695766582075521) #define LIBCOLOUR_ILLUMINANT_D50_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.347729429961154856698613002663, 0.359522508516545380441442603114) #define LIBCOLOUR_ILLUMINANT_D55_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.334116336430253457745465084372, 0.348766090975953568786849245953) #define LIBCOLOUR_ILLUMINANT_D65_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.313823646938709621689866935412, 0.330998985489933561510156323493) #define LIBCOLOUR_ILLUMINANT_D75_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.299679971345752860223399238748, 0.317403239854836705102769656150) #define LIBCOLOUR_ILLUMINANT_E_10DEG_OBS_LLF LIBCOLOUR_LLF__(1. / 3., 1. / 3.) #define LIBCOLOUR_ILLUMINANT_F1_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.318098801070991199502202562144, 0.335489451474129951602520804954) #define LIBCOLOUR_ILLUMINANT_F2_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.379274832262508854174853922814, 0.367227934400669309145115448700) #define LIBCOLOUR_ILLUMINANT_F3_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.417644682102624287267644831445, 0.383124504918675723441623404142) #define LIBCOLOUR_ILLUMINANT_F4_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.449247699162001246087072559021, 0.390605475879083674506375700730) #define LIBCOLOUR_ILLUMINANT_F5_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.319739939104951298443069163113, 0.342367055369128092667807550242) #define LIBCOLOUR_ILLUMINANT_F6_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.386626908526034762658696308790, 0.378372201588893453116924092683) #define LIBCOLOUR_ILLUMINANT_F7_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.315645637312390425766039925293, 0.329508145132134222521358424274) #define LIBCOLOUR_ILLUMINANT_F8_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.348965563721531868424108324689, 0.359317299140994528272585739614) #define LIBCOLOUR_ILLUMINANT_F9_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.378258900384649654480284652891, 0.370371375730762564248976786985) #define LIBCOLOUR_ILLUMINANT_F10_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.350893389986753234666139178444, 0.354302210111646531665030579461) #define LIBCOLOUR_ILLUMINANT_F11_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.385435391037903751776383387551, 0.371094786781121399599214782938) #define LIBCOLOUR_ILLUMINANT_F12_10DEG_OBS_LLF LIBCOLOUR_LLF__(0.442654456042513022584472537346, 0.397060737666593277506166259627) #define LIBCOLOUR_LIST_MODELS_N(_, RES, ...)\ _(LIBCOLOUR_RGB, libcolour_rgb_##RES##_t, rgb, __VA_ARGS__)\ _(LIBCOLOUR_SRGB, libcolour_srgb_##RES##_t, srgb, __VA_ARGS__)\ _(LIBCOLOUR_CIEXYY, libcolour_ciexyy_##RES##_t, ciexyy, __VA_ARGS__)\ _(LIBCOLOUR_CIEXYZ, libcolour_ciexyz_##RES##_t, ciexyz, __VA_ARGS__)\ _(LIBCOLOUR_CIELAB, libcolour_cielab_##RES##_t, cielab, __VA_ARGS__)\ _(LIBCOLOUR_CIELUV, libcolour_cieluv_##RES##_t, cieluv, __VA_ARGS__)\ _(LIBCOLOUR_CIELCHUV, libcolour_cielchuv_##RES##_t, cielchuv, __VA_ARGS__)\ _(LIBCOLOUR_YIQ, libcolour_yiq_##RES##_t, yiq, __VA_ARGS__)\ _(LIBCOLOUR_YDBDR, libcolour_ydbdr_##RES##_t, ydbdr, __VA_ARGS__)\ _(LIBCOLOUR_YUV, libcolour_yuv_##RES##_t, yuv, __VA_ARGS__)\ _(LIBCOLOUR_YPBPR, libcolour_ypbpr_##RES##_t, ypbpr, __VA_ARGS__)\ _(LIBCOLOUR_YCGCO, libcolour_ycgco_##RES##_t, ycgco, __VA_ARGS__)\ _(LIBCOLOUR_CIE1960UCS, libcolour_cie1960ucs_##RES##_t, cie1960ucs, __VA_ARGS__)\ _(LIBCOLOUR_CIEUVW, libcolour_cieuvw_##RES##_t, cieuvw, __VA_ARGS__) #define LIBCOLOUR_LIST_MODELS(_, RES)\ _(LIBCOLOUR_RGB, libcolour_rgb_##RES##_t, rgb)\ _(LIBCOLOUR_SRGB, libcolour_srgb_##RES##_t, srgb)\ _(LIBCOLOUR_CIEXYY, libcolour_ciexyy_##RES##_t, ciexyy)\ _(LIBCOLOUR_CIEXYZ, libcolour_ciexyz_##RES##_t, ciexyz)\ _(LIBCOLOUR_CIELAB, libcolour_cielab_##RES##_t, cielab)\ _(LIBCOLOUR_CIELUV, libcolour_cieluv_##RES##_t, cieluv)\ _(LIBCOLOUR_CIELCHUV, libcolour_cielchuv_##RES##_t, cielchuv)\ _(LIBCOLOUR_YIQ, libcolour_yiq_##RES##_t, yiq)\ _(LIBCOLOUR_YDBDR, libcolour_ydbdr_##RES##_t, ydbdr)\ _(LIBCOLOUR_YUV, libcolour_yuv_##RES##_t, yuv)\ _(LIBCOLOUR_YPBPR, libcolour_ypbpr_##RES##_t, ypbpr)\ _(LIBCOLOUR_YCGCO, libcolour_ycgco_##RES##_t, ycgco)\ _(LIBCOLOUR_CIE1960UCS, libcolour_cie1960ucs_##RES##_t, cie1960ucs)\ _(LIBCOLOUR_CIEUVW, libcolour_cieuvw_##RES##_t, cieuvw) typedef enum libcolour_model { #define LIBCOLOUR_X(C, T, N) C, LIBCOLOUR_LIST_MODELS(LIBCOLOUR_X,) #undef LIBCOLOUR_X } libcolour_model_t; typedef enum libcolour_encoding_type { LIBCOLOUR_ENCODING_TYPE_LINEAR, LIBCOLOUR_ENCODING_TYPE_SIMPLE, LIBCOLOUR_ENCODING_TYPE_REGULAR, LIBCOLOUR_ENCODING_TYPE_CUSTOM } libcolour_encoding_type_t; typedef enum libcolour_rgb_colour_space { LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_MEASUREMENTS, LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_MATRIX, LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_INV_MATRIX, LIBCOLOUR_RGB_COLOUR_SPACE_SRGB, LIBCOLOUR_RGB_COLOUR_SPACE_ADOBE_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_APPLE_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_BEST_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_BETA_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_BRUCE_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_CIE_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_COLORMATCH_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_DCI_P3_D65, LIBCOLOUR_RGB_COLOUR_SPACE_DCI_P3_THEATER, LIBCOLOUR_RGB_COLOUR_SPACE_DON_RGB_4, LIBCOLOUR_RGB_COLOUR_SPACE_ECI_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_ECI_RGB_V2, LIBCOLOUR_RGB_COLOUR_SPACE_EKTA_SPACE_PS5, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_601_625_LINE, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_601_525_LINE, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_709, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2020, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_EOTF_PQ, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OOTF_PQ, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OETF_PQ, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_EOTF_HLG, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OOTF_HLG, LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OETF_HLG, LIBCOLOUR_RGB_COLOUR_SPACE_LIGHTROOM_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_NTSC_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_PAL_SECAM_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_PROPHOTO_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_SGI_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_SMPTE_240M_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_SMPTE_C_RGB, LIBCOLOUR_RGB_COLOUR_SPACE_WIDE_GAMUT_RGB } libcolour_rgb_colour_space_t; #define LIBCOLOUR_X(C, T, N) T N; #define LIBCOLOUR_DEF(TYPE, RES) \ typedef struct libcolour_srgb_##RES {\ enum libcolour_model model;\ TYPE R;\ TYPE G;\ TYPE B;\ int with_transfer;\ } libcolour_srgb_##RES##_t;\ \ typedef struct libcolour_ciexyy_##RES {\ enum libcolour_model model;\ TYPE x;\ TYPE y;\ TYPE Y;\ } libcolour_ciexyy_##RES##_t;\ \ typedef struct libcolour_ciexyz_##RES {\ enum libcolour_model model;\ TYPE X;\ TYPE Y;\ TYPE Z;\ } libcolour_ciexyz_##RES##_t;\ \ typedef struct libcolour_cielab_##RES {\ enum libcolour_model model;\ TYPE L;\ TYPE a;\ TYPE b;\ } libcolour_cielab_##RES##_t;\ \ typedef struct libcolour_yiq_##RES {\ enum libcolour_model model;\ TYPE Y;\ TYPE I;\ TYPE Q;\ } libcolour_yiq_##RES##_t;\ \ typedef struct libcolour_ydbdr_##RES {\ enum libcolour_model model;\ TYPE Y;\ TYPE Db;\ TYPE Dr;\ } libcolour_ydbdr_##RES##_t;\ \ typedef struct libcolour_yuv_##RES {\ enum libcolour_model model;\ TYPE Y;\ TYPE U;\ TYPE V;\ } libcolour_yuv_##RES##_t;\ \ typedef struct libcolour_ypbpr_##RES {\ enum libcolour_model model;\ TYPE Y;\ TYPE Pb;\ TYPE Pr;\ } libcolour_ypbpr_##RES##_t;\ \ typedef struct libcolour_ycgco_##RES {\ enum libcolour_model model;\ TYPE Y;\ TYPE Cg;\ TYPE Co;\ } libcolour_ycgco_##RES##_t;\ \ typedef struct libcolour_cie1960ucs_##RES {\ enum libcolour_model model;\ TYPE u;\ TYPE v;\ TYPE Y;\ } libcolour_cie1960ucs_##RES##_t;\ \ typedef struct libcolour_cieuvw_##RES {\ enum libcolour_model model;\ TYPE U;\ TYPE V;\ TYPE W;\ TYPE u0;\ TYPE v0;\ } libcolour_cieuvw_##RES##_t;\ \ typedef struct libcolour_cieluv_##RES {\ enum libcolour_model model;\ TYPE L;\ TYPE u;\ TYPE v;\ struct libcolour_ciexyz_##RES white;\ } libcolour_cieluv_##RES##_t;\ \ typedef struct libcolour_cielchuv_##RES {\ enum libcolour_model model;\ TYPE L;\ TYPE C;\ TYPE h;\ struct libcolour_ciexyz_##RES white;\ TYPE one_revolution;\ } libcolour_cielchuv_##RES##_t;\ \ typedef struct libcolour_rgb_##RES {\ enum libcolour_model model;\ TYPE R;\ TYPE G;\ TYPE B;\ int with_transfer;\ enum libcolour_encoding_type encoding_type;\ TYPE gamma;\ TYPE offset;\ TYPE slope;\ TYPE transition;\ TYPE transitioninv;\ TYPE (*to_encoded_red)(TYPE);\ TYPE (*to_decoded_red)(TYPE);\ TYPE (*to_encoded_green)(TYPE);\ TYPE (*to_decoded_green)(TYPE);\ TYPE (*to_encoded_blue)(TYPE);\ TYPE (*to_decoded_blue)(TYPE);\ struct libcolour_ciexyy_##RES red;\ struct libcolour_ciexyy_##RES green;\ struct libcolour_ciexyy_##RES blue;\ struct libcolour_ciexyy_##RES white;\ TYPE white_r;\ TYPE white_g;\ TYPE white_b;\ TYPE M[3][3];\ TYPE Minv[3][3];\ enum libcolour_rgb_colour_space colour_space;\ } libcolour_rgb_##RES##_t;\ \ \ typedef union libcolour_colour_##RES {\ enum libcolour_model model;\ LIBCOLOUR_LIST_MODELS(LIBCOLOUR_X, RES)\ } libcolour_colour_##RES##_t;\ \ \ int libcolour_convert_##RES(const libcolour_colour_##RES##_t *restrict from, libcolour_colour_##RES##_t *restrict to);\ TYPE libcolour_srgb_encode_##RES(TYPE);\ TYPE libcolour_srgb_decode_##RES(TYPE);\ int libcolour_delta_e_##RES(const libcolour_colour_##RES##_t *, const libcolour_colour_##RES##_t *, TYPE *);\ int libcolour_proper_##RES(libcolour_colour_##RES##_t *);\ int libcolour_get_rgb_colour_space_##RES(libcolour_rgb_##RES##_t *, libcolour_rgb_colour_space_t);\ size_t libcolour_marshal_##RES(const libcolour_colour_##RES##_t *, void *);\ size_t libcolour_unmarshal_##RES(libcolour_colour_##RES##_t *, const void *); LIBCOLOUR_DEF(float, f) LIBCOLOUR_DEF(double, lf) LIBCOLOUR_DEF(long double, llf) #undef LIBCOLOUR_DEF #undef LIBCOLOUR_X #define LIBCOLOUR_GENERIC___(C, TYPE, N, CALL)\ TYPE *: (CALL),\ const TYPE *: (CALL), #define LIBCOLOUR_GENERIC__(TYPE, RES, CALL)\ LIBCOLOUR_LIST_MODELS_N(LIBCOLOUR_GENERIC___, RES, (CALL))\ TYPE: (CALL),\ TYPE *: (CALL),\ const TYPE: (CALL),\ const TYPE *: (CALL),\ libcolour_colour_##RES##_t *: (CALL),\ const libcolour_colour_##RES##_t *: (CALL) #define LIBCOLOUR_GENERIC(FUNC, REF, ...)\ (_Generic((REF),\ LIBCOLOUR_GENERIC__(long double, llf, FUNC##_llf(__VA_ARGS__)),\ LIBCOLOUR_GENERIC__(double, lf, FUNC##_lf(__VA_ARGS__)),\ LIBCOLOUR_GENERIC__(float, f, FUNC##_f(__VA_ARGS__)))) #define libcolour_convert(FROM, TO)\ LIBCOLOUR_GENERIC(libcolour_convert, (FROM), (const void *)(FROM), (void *)(TO)) #define libcolour_srgb_encode(VALUE)\ LIBCOLOUR_GENERIC(libcolour_srgb_encode, (VALUE), (VALUE)) #define libcolour_srgb_decode(VALUE)\ LIBCOLOUR_GENERIC(libcolour_srgb_decode, (VALUE), (VALUE)) #define libcolour_delta_e(A, B, E)\ LIBCOLOUR_GENERIC(libcolour_delta_e, (A), (const void *)(A), (const void *)(B), (void *)(E)) #define libcolour_proper(COLOUR)\ LIBCOLOUR_GENERIC(libcolour_delta_e, (COLOUR), (const void *)(COLOUR)) #define libcolour_get_rgb_colour_space(CS, SPACE)\ LIBCOLOUR_GENERIC(libcolour_get_rgb_colour_space, (CS), (void *)(CS), (SPACE)) #define libcolour_marshal(COLOUR, BUF)\ LIBCOLOUR_GENERIC(libcolour_marshal, (COLOUR), (const void *)(COLOUR), (void *)(BUF)) #define libcolour_unmarshal(COLOUR, BUF)\ LIBCOLOUR_GENERIC(libcolour_unmarshal, (COLOUR), (void *)(COLOUR), (const void *)(BUF)) #if defined(__GNUC__) && !defined(__clang__) # pragma GCC diagnostic pop #elif defined(__clang__) # pragma clang diagnostic pop #endif #endif