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| 1 #include "qcms.h" | |
| 2 #include "qcmstypes.h" | |
| 3 | |
| 4 /* used as a lookup table for the output transformation. | |
| 5 * we refcount them so we only need to have one around per output | |
| 6 * profile, instead of duplicating them per transform */ | |
| 7 struct precache_output | |
| 8 { | |
| 9 int ref_count; | |
| 10 /* We previously used a count of 65536 here but that seems like more | |
| 11 * precision than we actually need. By reducing the size we can | |
| 12 * improve startup performance and reduce memory usage. ColorSync on | |
| 13 * 10.5 uses 4097 which is perhaps because they use a fixed point | |
| 14 * representation where 1. is represented by 0x1000. */ | |
| 15 #define PRECACHE_OUTPUT_SIZE 8192 | |
| 16 #define PRECACHE_OUTPUT_MAX (PRECACHE_OUTPUT_SIZE-1) | |
| 17 uint8_t data[PRECACHE_OUTPUT_SIZE]; | |
| 18 }; | |
| 19 | |
| 20 #ifdef _MSC_VER | |
| 21 #define ALIGN __declspec(align(16)) | |
| 22 #else | |
| 23 #define ALIGN __attribute__(( aligned (16) )) | |
| 24 #endif | |
| 25 | |
| 26 struct _qcms_transform { | |
| 27 float ALIGN matrix[3][4]; | |
| 28 float *input_gamma_table_r; | |
| 29 float *input_gamma_table_g; | |
| 30 float *input_gamma_table_b; | |
| 31 | |
| 32 float *input_gamma_table_gray; | |
| 33 | |
| 34 float out_gamma_r; | |
| 35 float out_gamma_g; | |
| 36 float out_gamma_b; | |
| 37 | |
| 38 float out_gamma_gray; | |
| 39 | |
| 40 uint16_t *output_gamma_lut_r; | |
| 41 uint16_t *output_gamma_lut_g; | |
| 42 uint16_t *output_gamma_lut_b; | |
| 43 | |
| 44 uint16_t *output_gamma_lut_gray; | |
| 45 | |
| 46 size_t output_gamma_lut_r_length; | |
| 47 size_t output_gamma_lut_g_length; | |
| 48 size_t output_gamma_lut_b_length; | |
| 49 | |
| 50 size_t output_gamma_lut_gray_length; | |
| 51 | |
| 52 struct precache_output *output_table_r; | |
| 53 struct precache_output *output_table_g; | |
| 54 struct precache_output *output_table_b; | |
| 55 | |
| 56 void (*transform_fn)(struct _qcms_transform *transform, unsigned char *s
rc, unsigned char *dest, size_t length); | |
| 57 }; | |
| 58 | |
| 59 typedef int32_t s15Fixed16Number; | |
| 60 typedef uint16_t uInt16Number; | |
| 61 | |
| 62 struct XYZNumber { | |
| 63 s15Fixed16Number X; | |
| 64 s15Fixed16Number Y; | |
| 65 s15Fixed16Number Z; | |
| 66 }; | |
| 67 | |
| 68 struct curveType { | |
| 69 uint32_t count; | |
| 70 /* Using the C99 flexible array member syntax with IBM compiler */ | |
| 71 #if defined (__IBMC__) || defined (__IBMCPP__) | |
| 72 uInt16Number data[]; | |
| 73 #else | |
| 74 uInt16Number data[0]; | |
| 75 #endif | |
| 76 }; | |
| 77 | |
| 78 struct lutType { | |
| 79 uint8_t num_input_channels; | |
| 80 uint8_t num_output_channels; | |
| 81 uint8_t num_clut_grid_points; | |
| 82 | |
| 83 s15Fixed16Number e00; | |
| 84 s15Fixed16Number e01; | |
| 85 s15Fixed16Number e02; | |
| 86 s15Fixed16Number e10; | |
| 87 s15Fixed16Number e11; | |
| 88 s15Fixed16Number e12; | |
| 89 s15Fixed16Number e20; | |
| 90 s15Fixed16Number e21; | |
| 91 s15Fixed16Number e22; | |
| 92 | |
| 93 uint16_t num_input_table_entries; | |
| 94 uint16_t num_output_table_entries; | |
| 95 | |
| 96 uint16_t *input_table; | |
| 97 uint16_t *clut_table; | |
| 98 uint16_t *output_table; | |
| 99 }; | |
| 100 #if 0 | |
| 101 /* this is from an intial idea of having the struct correspond to the data in | |
| 102 * the file. I decided that it wasn't a good idea. | |
| 103 */ | |
| 104 struct tag_value { | |
| 105 uint32_t type; | |
| 106 union { | |
| 107 struct { | |
| 108 uint32_t reserved; | |
| 109 struct { | |
| 110 s15Fixed16Number X; | |
| 111 s15Fixed16Number Y; | |
| 112 s15Fixed16Number Z; | |
| 113 } XYZNumber; | |
| 114 } XYZType; | |
| 115 }; | |
| 116 }; // I guess we need to pack this? | |
| 117 #endif | |
| 118 | |
| 119 #define RGB_SIGNATURE 0x52474220 | |
| 120 #define GRAY_SIGNATURE 0x47524159 | |
| 121 | |
| 122 struct _qcms_profile { | |
| 123 uint32_t class; | |
| 124 uint32_t color_space; | |
| 125 qcms_intent rendering_intent; | |
| 126 struct XYZNumber redColorant; | |
| 127 struct XYZNumber blueColorant; | |
| 128 struct XYZNumber greenColorant; | |
| 129 struct curveType *redTRC; | |
| 130 struct curveType *blueTRC; | |
| 131 struct curveType *greenTRC; | |
| 132 struct curveType *grayTRC; | |
| 133 struct lutType *A2B0; | |
| 134 | |
| 135 struct precache_output *output_table_r; | |
| 136 struct precache_output *output_table_g; | |
| 137 struct precache_output *output_table_b; | |
| 138 }; | |
| 139 | |
| 140 #ifdef _MSC_VER | |
| 141 #define inline _inline | |
| 142 #endif | |
| 143 | |
| 144 static inline float s15Fixed16Number_to_float(s15Fixed16Number a) | |
| 145 { | |
| 146 return ((int32_t)a)/65536.; | |
| 147 } | |
| 148 | |
| 149 static inline s15Fixed16Number double_to_s15Fixed16Number(double v) | |
| 150 { | |
| 151 return (int32_t)(v*65536); | |
| 152 } | |
| 153 | |
| 154 void precache_release(struct precache_output *p); | |
| 155 qcms_bool set_rgb_colorants(qcms_profile *profile, qcms_CIE_xyY white_point, qcm
s_CIE_xyYTRIPLE primaries); | |
| 156 | |
| 157 void qcms_transform_data_rgb_out_lut_sse2(qcms_transform *transform, | |
| 158 unsigned char *src, | |
| 159 unsigned char *dest, | |
| 160 size_t length); | |
| 161 void qcms_transform_data_rgba_out_lut_sse2(qcms_transform *transform, | |
| 162 unsigned char *src, | |
| 163 unsigned char *dest, | |
| 164 size_t length); | |
| 165 void qcms_transform_data_rgb_out_lut_sse1(qcms_transform *transform, | |
| 166 unsigned char *src, | |
| 167 unsigned char *dest, | |
| 168 size_t length); | |
| 169 void qcms_transform_data_rgba_out_lut_sse1(qcms_transform *transform, | |
| 170 unsigned char *src, | |
| 171 unsigned char *dest, | |
| 172 size_t length); | |
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Chromium Code Reviews
Issue 8079005:
Remove unused qcms library. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/