| 9 |
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* for speed. Stored color values use 4 bytes which contain |
| 10 |
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* three single byte mantissas and a common exponent. |
| 11 |
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*/ |
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+ |
#ifndef _RAD_COLOR_H_ |
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+ |
#define _RAD_COLOR_H_ |
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|
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#include "copyright.h" |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
| 16 |
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|
| 17 |
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#ifdef __cplusplus |
| 33 |
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|
| 34 |
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typedef BYTE COLR[4]; /* red, green, blue (or X,Y,Z), exponent */ |
| 35 |
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|
| 36 |
< |
typedef float COLOR[3]; /* red, green, blue (or X,Y,Z) */ |
| 36 |
> |
typedef float COLORV; |
| 37 |
> |
typedef COLORV COLOR[3]; /* red, green, blue (or X,Y,Z) */ |
| 38 |
|
|
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typedef float RGBPRIMS[4][2]; /* (x,y) chromaticities for RGBW */ |
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typedef float (*RGBPRIMP)[2]; /* pointer to RGBPRIMS array */ |
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#define D65EFFICACY 203. /* standard illuminant D65 */ |
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#define INCEFFICACY 160. /* illuminant A (incand.) */ |
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#define SUNEFFICACY 208. /* illuminant B (solar dir.) */ |
| 117 |
< |
#define SKYEFFICACY D65EFFICACY /* skylight */ |
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> |
#define SKYEFFICACY D65EFFICACY /* skylight (should be 110) */ |
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#define DAYEFFICACY D65EFFICACY /* combined sky and solar */ |
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|
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#define luminance(col) (WHTEFFICACY * bright(col)) |
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|
|
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#define rgb_cie(xyz,rgb) colortrans(xyz,rgb2xyzmat,rgb) |
| 200 |
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|
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#ifdef BSD |
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#define cpcolormat(md,ms) bcopy((void *)ms,(void *)md,sizeof(COLORMAT)) |
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#else |
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#define cpcolormat(md,ms) memcpy((void *)md,(void *)ms,sizeof(COLORMAT)) |
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#endif |
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|
|
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#ifdef NOPROTO |
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/* defined in color.c */ |
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extern char *tempbuffer(); |
| 210 |
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extern int fwritecolrs(); |
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extern int freadcolrs(); |
| 212 |
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extern int fwritescan(); |
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extern int freadscan(); |
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extern void setcolr(); |
| 215 |
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extern void colr_color(); |
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extern int bigdiff(); |
| 217 |
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/* defined in spec_rgb.c */ |
| 218 |
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extern void spec_rgb(); |
| 219 |
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extern void spec_cie(); |
| 220 |
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extern void cie_rgb(); |
| 221 |
– |
extern int clipgamut(); |
| 222 |
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extern void colortrans(); |
| 223 |
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extern void multcolormat(); |
| 224 |
– |
extern void compxyz2rgbmat(); |
| 225 |
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extern void comprgb2xyzmat(); |
| 226 |
– |
extern void comprgb2rgbmat(); |
| 227 |
– |
extern void compxyzWBmat(); |
| 228 |
– |
extern void compxyz2rgbWBmat(); |
| 229 |
– |
extern void comprgb2xyzWBmat(); |
| 230 |
– |
extern void comprgb2rgbWBmat(); |
| 231 |
– |
/* defined in colrops.c */ |
| 232 |
– |
extern int setcolrcor(); |
| 233 |
– |
extern int setcolrinv(); |
| 234 |
– |
extern int setcolrgam(); |
| 235 |
– |
extern int colrs_gambs(); |
| 236 |
– |
extern int gambs_colrs(); |
| 237 |
– |
extern void shiftcolrs(); |
| 238 |
– |
extern void normcolrs(); |
| 239 |
– |
|
| 240 |
– |
#else |
| 241 |
– |
/* defined in color.c */ |
| 204 |
|
extern char *tempbuffer(unsigned int len); |
| 205 |
|
extern int fwritecolrs(COLR *scanline, int len, FILE *fp); |
| 206 |
|
extern int freadcolrs(COLR *scanline, int len, FILE *fp); |
| 227 |
|
extern void comprgb2xyzWBmat(COLORMAT mat, RGBPRIMS pr); |
| 228 |
|
extern void comprgb2rgbWBmat(COLORMAT mat, RGBPRIMS pr1, RGBPRIMS pr2); |
| 229 |
|
/* defined in colrops.c */ |
| 230 |
< |
extern int setcolrcor(double (*f)(), double a2); |
| 231 |
< |
extern int setcolrinv(double (*f)(), double a2); |
| 230 |
> |
extern int setcolrcor(double (*f)(double, double), double a2); |
| 231 |
> |
extern int setcolrinv(double (*f)(double, double), double a2); |
| 232 |
|
extern int setcolrgam(double g); |
| 233 |
|
extern int colrs_gambs(COLR *scan, int len); |
| 234 |
|
extern int gambs_colrs(COLR *scan, int len); |
| 235 |
|
extern void shiftcolrs(COLR *scan, int len, int adjust); |
| 236 |
|
extern void normcolrs(COLR *scan, int len, int adjust); |
| 237 |
|
|
| 276 |
– |
#endif |
| 238 |
|
|
| 239 |
|
#ifdef __cplusplus |
| 240 |
|
} |
| 241 |
|
#endif |
| 242 |
+ |
#endif /* _RAD_COLOR_H_ */ |
| 243 |
+ |
|
