| /* vim: set ts=8 sw=8 noexpandtab: */ |
| // qcms |
| // Copyright (C) 2009 Mozilla Foundation |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining |
| // a copy of this software and associated documentation files (the "Software"), |
| // to deal in the Software without restriction, including without limitation |
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| // and/or sell copies of the Software, and to permit persons to whom the Software |
| // is furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO |
| // THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| #ifndef QCMS_H |
| #define QCMS_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <stdio.h> |
| |
| struct _qcms_profile; |
| typedef struct _qcms_profile qcms_profile; |
| |
| struct _qcms_transform; |
| typedef struct _qcms_transform qcms_transform; |
| |
| typedef int qcms_bool; |
| |
| /* ICC Section 6.1.5 Color Space Signatures (abridged) */ |
| typedef enum { |
| XYZData /* ‘XYZ ’ */ = 0x58595A20, |
| labData /* ‘Lab ’ */ = 0x4C616220, |
| luvData /* ‘Luv ’ */ = 0x4C757620, |
| YCbCrData /* ‘YCbr' */ = 0x59436272, |
| YxyData /* ‘Yxy ’ */ = 0x59787920, |
| rgbData /* ‘RGB ’ */ = 0x52474220, |
| grayData /* ‘GRAY’ */ = 0x47524159, |
| hsvData /* ‘HSV ’ */ = 0x48535620, |
| hlsData /* ‘HLS ’ */ = 0x484C5320, |
| cmykData /* ‘CMYK’ */ = 0x434D594B, |
| cmyData /* ‘CMY ’ */ = 0x434D5920, |
| } qcms_color_space; |
| |
| /* ICC Section 6.1.11 Rendering Intents */ |
| typedef enum { |
| QCMS_INTENT_DEFAULT = 0, |
| QCMS_INTENT_PERCEPTUAL = 0, |
| QCMS_INTENT_RELATIVE_COLORIMETRIC = 1, |
| QCMS_INTENT_SATURATION = 2, |
| QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3 |
| } qcms_intent; |
| |
| /* Input data formats */ |
| typedef enum { |
| QCMS_DATA_RGB_8, |
| QCMS_DATA_RGBA_8, |
| QCMS_DATA_GRAY_8, |
| QCMS_DATA_GRAYA_8 |
| } qcms_data_type; |
| |
| /* Output data format for qcms_transform_data_type() */ |
| typedef enum { |
| QCMS_OUTPUT_RGBX, |
| QCMS_OUTPUT_BGRX |
| } qcms_output_type; |
| |
| /* Output data format for qcms_transform_get_input|output_trc_rgba() */ |
| typedef enum { |
| QCMS_TRC_PARAMETRIC, // Not implemented. |
| QCMS_TRC_FLOAT, // Not implemented. |
| QCMS_TRC_HALF_FLOAT, // IEE754: binary16. |
| QCMS_TRC_USHORT, // 0.16 fixed point. |
| } qcms_trc_type; |
| |
| typedef struct { |
| double x; |
| double y; |
| double Y; |
| } qcms_CIE_xyY; |
| |
| typedef struct { |
| qcms_CIE_xyY red; |
| qcms_CIE_xyY green; |
| qcms_CIE_xyY blue; |
| } qcms_CIE_xyYTRIPLE; |
| |
| typedef struct { |
| float X; |
| float Y; |
| float Z; |
| } qcms_xyz_float; |
| |
| qcms_profile* qcms_profile_create_rgb_with_gamma( |
| qcms_CIE_xyY white_point, |
| qcms_CIE_xyYTRIPLE primaries, |
| float gamma); |
| |
| qcms_profile* qcms_profile_from_memory(const void *mem, size_t size); |
| |
| qcms_profile* qcms_profile_from_file(FILE *file); |
| qcms_profile* qcms_profile_from_path(const char *path); |
| #ifdef _WIN32 |
| qcms_profile* qcms_profile_from_unicode_path(const wchar_t *path); |
| #endif |
| qcms_profile* qcms_profile_sRGB(void); |
| void qcms_profile_release(qcms_profile *profile); |
| |
| qcms_bool qcms_profile_is_bogus(qcms_profile *profile); |
| qcms_bool qcms_profile_has_white_point(qcms_profile *profile); |
| qcms_xyz_float qcms_profile_get_white_point(qcms_profile *profile); |
| qcms_intent qcms_profile_get_rendering_intent(qcms_profile *profile); |
| qcms_color_space qcms_profile_get_color_space(qcms_profile *profile); |
| unsigned qcms_profile_get_version(qcms_profile *profile); |
| qcms_bool qcms_profile_white_transform(qcms_profile *profile, float XYZ[3]); |
| |
| qcms_bool qcms_profile_match(qcms_profile *p1, qcms_profile *p2); |
| const char* qcms_profile_get_description(qcms_profile *profile); |
| |
| void qcms_profile_precache_output_transform(qcms_profile *profile); |
| |
| size_t qcms_profile_get_vcgt_channel_length(qcms_profile *profile); |
| qcms_bool qcms_profile_get_vcgt_rgb_channels(qcms_profile *profile, unsigned short *data); |
| |
| float qcms_profile_ntsc_relative_gamut_size(qcms_profile *profile); |
| |
| qcms_transform* qcms_transform_create( |
| qcms_profile *in, qcms_data_type in_type, |
| qcms_profile *out, qcms_data_type out_type, |
| qcms_intent intent); |
| |
| size_t qcms_transform_get_input_trc_rgba( |
| qcms_transform *transform, qcms_profile *in, qcms_trc_type type, unsigned short *data); |
| size_t qcms_transform_get_output_trc_rgba( |
| qcms_transform *transform, qcms_profile *out, qcms_trc_type type, unsigned short *data); |
| |
| qcms_bool qcms_transform_is_matrix(qcms_transform *transform); |
| float qcms_transform_get_matrix(qcms_transform *transform, unsigned i, unsigned j); |
| |
| qcms_bool qcms_transform_create_LUT_zyx_bgra( |
| qcms_profile *in, qcms_profile *out, qcms_intent intent, |
| int samples, unsigned char* lut); |
| |
| void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length); |
| void qcms_transform_data_type(qcms_transform *transform, void *src, void *dest, size_t length, qcms_output_type type); |
| |
| void qcms_transform_release(qcms_transform *); |
| |
| void qcms_enable_iccv4(); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| /* |
| * In general, QCMS is not threadsafe. However, it should be safe to create |
| * profile and transformation objects on different threads, so long as you |
| * don't use the same objects on different threads at the same time. |
| */ |
| |
| #endif |