169 lines
6.8 KiB
C
169 lines
6.8 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: some of this file.
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*
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* ***** END GPL LICENSE BLOCK *****
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* */
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#ifndef __BLI_MATH_COLOR_H__
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#define __BLI_MATH_COLOR_H__
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/** \file BLI_math_color.h
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "BLI_math_inline.h"
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/* primaries */
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#define BLI_XYZ_SMPTE 0
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#define BLI_XYZ_REC709_SRGB 1
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#define BLI_XYZ_CIE 2
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/* built-in profiles */
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#define BLI_PR_NONE 0
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#define BLI_PR_SRGB 1
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#define BLI_PR_REC709 2
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/* YCbCr */
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#define BLI_YCC_ITU_BT601 0
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#define BLI_YCC_ITU_BT709 1
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#define BLI_YCC_JFIF_0_255 2
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/******************* Conversion to RGB ********************/
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void hsv_to_rgb(float h, float s, float v, float *r, float *g, float *b);
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void hsv_to_rgb_v(const float hsv[3], float r_rgb[3]);
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void hsl_to_rgb(float h, float c, float l, float *r, float *g, float *b);
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void hsl_to_rgb_v(const float hcl[3], float r_rgb[3]);
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void hex_to_rgb(char *hexcol, float *r, float *g, float *b);
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void yuv_to_rgb(float y, float u, float v, float *lr, float *lg, float *lb);
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void ycc_to_rgb(float y, float cb, float cr, float *lr, float *lg, float *lb, int colorspace);
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void xyz_to_rgb(float x, float y, float z, float *r, float *g, float *b, int colorspace);
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void cpack_to_rgb(unsigned int col, float *r, float *g, float *b);
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/***************** Conversion from RGB ********************/
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void rgb_to_yuv(float r, float g, float b, float *ly, float *lu, float *lv);
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void rgb_to_ycc(float r, float g, float b, float *ly, float *lcb, float *lcr, int colorspace);
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void rgb_to_hsv(float r, float g, float b, float *lh, float *ls, float *lv);
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void rgb_to_hsv_v(const float rgb[3], float r_hsv[3]);
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void rgb_to_hsl(float r, float g, float b, float *lh, float *ls, float *ll);
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void rgb_to_hsl_v(const float rgb[3], float r_hsl[3]);
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void rgb_to_hsl_compat(float r, float g, float b, float *lh, float *ls, float *ll);
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void rgb_to_hsl_compat_v(const float rgb[3], float r_hsl[3]);
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void rgb_to_hsv_compat(float r, float g, float b, float *lh, float *ls, float *lv);
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void rgb_to_hsv_compat_v(const float rgb[3], float r_hsv[3]);
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void rgb_to_lab(float r, float g, float b, float *ll, float *la, float *lb);
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void rgb_to_xyz(float r, float g, float b, float *x, float *y, float *z);
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unsigned int rgb_to_cpack(float r, float g, float b);
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unsigned int hsv_to_cpack(float h, float s, float v);
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MINLINE float rgb_to_bw(const float rgb[3]);
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MINLINE float rgb_to_grayscale(const float rgb[3]);
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MINLINE unsigned char rgb_to_grayscale_byte(const unsigned char rgb[3]);
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MINLINE float rgb_to_luma(const float rgb[3]);
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MINLINE unsigned char rgb_to_luma_byte(const unsigned char rgb[3]);
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MINLINE float rgb_to_luma_y(const float rgb[3]);
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/**************** Profile Transformations *****************/
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void gamma_correct(float *c, float gamma);
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float rec709_to_linearrgb(float c);
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float linearrgb_to_rec709(float c);
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float srgb_to_linearrgb(float c);
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float linearrgb_to_srgb(float c);
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MINLINE void srgb_to_linearrgb_v3_v3(float linear[3], const float srgb[3]);
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MINLINE void linearrgb_to_srgb_v3_v3(float srgb[3], const float linear[3]);
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MINLINE void srgb_to_linearrgb_v4(float linear[4], const float srgb[4]);
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MINLINE void linearrgb_to_srgb_v4(float srgb[4], const float linear[4]);
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MINLINE void srgb_to_linearrgb_predivide_v4(float linear[4], const float srgb[4]);
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MINLINE void linearrgb_to_srgb_predivide_v4(float srgb[4], const float linear[4]);
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MINLINE unsigned short to_srgb_table_lookup(const float f);
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MINLINE void linearrgb_to_srgb_ushort4(unsigned short srgb[4], const float linear[4]);
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MINLINE void srgb_to_linearrgb_uchar4(float linear[4], const unsigned char srgb[4]);
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MINLINE void srgb_to_linearrgb_uchar4_predivide(float linear[4], const unsigned char srgb[4]);
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MINLINE void linearrgb_to_srgb_uchar3(unsigned char srgb[3], const float linear[3]);
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MINLINE void linearrgb_to_srgb_uchar4(unsigned char srgb[4], const float linear[4]);
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void BLI_init_srgb_conversion(void);
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/**************** Alpha Transformations *****************/
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MINLINE void premul_to_straight_v4_v4(float straight[4], const float premul[4]);
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MINLINE void premul_to_straight_v4(float color[4]);
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MINLINE void straight_to_premul_v4_v4(float straight[4], const float premul[4]);
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MINLINE void straight_to_premul_v4(float color[4]);
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MINLINE void straight_uchar_to_premul_float(float result[4], const unsigned char color[4]);
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MINLINE void premul_float_to_straight_uchar(unsigned char *result, const float color[4]);
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/************************** Other *************************/
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int constrain_rgb(float *r, float *g, float *b);
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void minmax_rgb(short c[3]);
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void hsv_clamp_v(float hsv[3], float v_max);
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void rgb_float_set_hue_float_offset(float *rgb, float hue_offset);
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void rgb_byte_set_hue_float_offset(unsigned char *rgb, float hue_offset);
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void rgb_uchar_to_float(float r_col[3], const unsigned char col_ub[3]);
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void rgba_uchar_to_float(float r_col[4], const unsigned char col_ub[4]);
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void rgb_float_to_uchar(unsigned char r_col[3], const float col_f[3]);
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void rgba_float_to_uchar(unsigned char r_col[4], const float col_f[4]);
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void xyz_to_lab(float x, float y, float z, float *l, float *a, float *b);
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MINLINE int compare_rgb_uchar(const unsigned char a[3], const unsigned char b[3], const int limit);
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MINLINE float dither_random_value(float s, float t);
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MINLINE void float_to_byte_dither_v3(unsigned char b[3], const float f[3], float dither, float s, float t);
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#define rgba_char_args_set_fl(col, r, g, b, a) \
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rgba_char_args_set(col, (r) * 255, (g) * 255, (b) * 255, (a) * 255)
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MINLINE void rgba_char_args_set(char col[4], const char r, const char g, const char b, const char a);
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MINLINE void rgba_char_args_test_set(char col[4], const char r, const char g, const char b, const char a);
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MINLINE void cpack_cpy_3ub(unsigned char r_col[3], const unsigned int pack);
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/********* lift/gamma/gain / ASC-CDL conversion ***********/
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void lift_gamma_gain_to_asc_cdl(float *lift, float *gamma, float *gain, float *offset, float *slope, float *power);
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#if BLI_MATH_DO_INLINE
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#include "intern/math_color_inline.c"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BLI_MATH_COLOR_H__ */
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