1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: some of this file.
*
* ***** END GPL LICENSE BLOCK *****
* */
#ifndef BLI_MATH_COLOR
#define BLI_MATH_COLOR
#ifdef __cplusplus
extern "C" {
#endif
/* primaries */
#define BLI_XYZ_SMPTE 0
#define BLI_XYZ_REC709_SRGB 1
#define BLI_XYZ_CIE 2
/* built-in profiles */
#define BLI_PR_NONE 0
#define BLI_PR_SRGB 1
#define BLI_PR_REC709 2
/* YCbCr */
#define BLI_YCC_ITU_BT601 0
#define BLI_YCC_ITU_BT709 1
#define BLI_YCC_JFIF_0_255 2
/******************* Conversion to RGB ********************/
void hsv_to_rgb(float h, float s, float v, float *r, float *g, float *b);
void hex_to_rgb(char *hexcol, float *r, float *g, float *b);
void yuv_to_rgb(float y, float u, float v, float *lr, float *lg, float *lb);
void ycc_to_rgb(float y, float cb, float cr, float *lr, float *lg, float *lb, int colorspace);
void xyz_to_rgb(float x, float y, float z, float *r, float *g, float *b, int colorspace);
void cpack_to_rgb(unsigned int col, float *r, float *g, float *b);
/***************** Conversion from RGB ********************/
void rgb_to_yuv(float r, float g, float b, float *ly, float *lu, float *lv);
void rgb_to_ycc(float r, float g, float b, float *ly, float *lcb, float *lcr, int colorspace);
void rgb_to_hsv(float r, float g, float b, float *lh, float *ls, float *lv);
void rgb_to_hsv_compat(float r, float g, float b, float *lh, float *ls, float *lv);
unsigned int rgb_to_cpack(float r, float g, float b);
unsigned int hsv_to_cpack(float h, float s, float v);
float rgb_to_grayscale(float rgb[3]);
/***************** Profile Transformations ********************/
void gamma_correct(float *c, float gamma);
float rec709_to_linearrgb(float c);
float linearrgb_to_rec709(float c);
float srgb_to_linearrgb(float c);
float linearrgb_to_srgb(float c);
void srgb_to_linearrgb_v3_v3(float *col_to, float *col_from);
void linearrgb_to_srgb_v3_v3(float *col_to, float *col_from);
/* rgba buffer convenience functions */
void srgb_to_linearrgb_rgba_buf(float *col, int tot);
void linearrgb_to_srgb_rgba_buf(float *col, int tot);
void srgb_to_linearrgb_rgba_rgba_buf(float *col_to, float *col_from, int tot);
void linearrgb_to_srgb_rgba_rgba_buf(float *col_to, float *col_from, int tot);
/************************** Other *************************/
int constrain_rgb(float *r, float *g, float *b);
void minmax_rgb(short c[3]);
void rgb_float_set_hue_float_offset(float * rgb, float hue_offset);
void rgb_byte_set_hue_float_offset(char * rgb, float hue_offset);
/***************** lift/gamma/gain / ASC-CDL conversion *****************/
void lift_gamma_gain_to_asc_cdl(float *lift, float *gamma, float *gain, float *offset, float *slope, float *power);
void rgb_byte_to_float(char *in, float *out);
void rgb_float_to_byte(float *in, char *out);
#ifdef __cplusplus
}
#endif
#endif /* BLI_MATH_COLOR */
|
