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* for speed. Stored color values use 4 bytes which contain |
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* three single byte mantissas and a common exponent. |
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*/ |
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#ifndef _RAD_COLOR_H_ |
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#define _RAD_COLOR_H_ |
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#include "copyright.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#ifdef __cplusplus |
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typedef BYTE COLR[4]; /* red, green, blue (or X,Y,Z), exponent */ |
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typedef float COLOR[3]; /* red, green, blue (or X,Y,Z) */ |
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typedef float COLORV; |
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typedef COLORV COLOR[3]; /* red, green, blue (or X,Y,Z) */ |
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|
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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.) */ |
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#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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#define luminance(col) (WHTEFFICACY * bright(col)) |
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#define PRIMARYSTR "PRIMARIES=" |
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#define LPRIMARYSTR 10 |
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#define isprims(hl) (!strncmp(hl,PRIMARYSTR,LPRIMARYSTR)) |
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#define primsval(p,hl) sscanf(hl+LPRIMARYSTR, \ |
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#define primsval(p,hl) sscanf((hl)+LPRIMARYSTR, \ |
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"%f %f %f %f %f %f %f %f", \ |
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&(p)[RED][CIEX],&(p)[RED][CIEY], \ |
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&(p)[GRN][CIEX],&(p)[GRN][CIEY], \ |
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#define COLCORSTR "COLORCORR=" |
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#define LCOLCORSTR 10 |
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#define iscolcor(hl) (!strncmp(hl,COLCORSTR,LCOLCORSTR)) |
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#define colcorval(cc,hl) sscanf(hl+LCOLCORSTR,"%f %f %f", \ |
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#define colcorval(cc,hl) sscanf((hl)+LCOLCORSTR,"%f %f %f", \ |
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&(cc)[RED],&(cc)[GRN],&(cc)[BLU]) |
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#define fputcolcor(cc,fp) fprintf(fp,"%s %f %f %f\n",COLCORSTR, \ |
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(cc)[RED],(cc)[GRN],(cc)[BLU]) |
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#define rgb_cie(xyz,rgb) colortrans(xyz,rgb2xyzmat,rgb) |
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#ifdef BSD |
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#define cpcolormat(md,ms) bcopy((char *)ms,(char *)md,sizeof(COLORMAT)) |
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#else |
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#define cpcolormat(md,ms) memcpy((char *)md,(char *)ms,sizeof(COLORMAT)) |
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#endif |
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#define cpcolormat(md,ms) memcpy((void *)md,(void *)ms,sizeof(COLORMAT)) |
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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(); |
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extern int fwritecolrs(); |
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extern int freadcolrs(); |
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extern int fwritescan(); |
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extern int freadscan(); |
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extern void setcolr(); |
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extern void colr_color(); |
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extern int bigdiff(); |
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/* defined in spec_rgb.c */ |
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extern void spec_rgb(); |
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extern void spec_cie(); |
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extern void cie_rgb(); |
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extern int clipgamut(); |
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extern void colortrans(); |
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extern void multcolormat(); |
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extern void compxyz2rgbmat(); |
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extern void comprgb2xyzmat(); |
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extern void comprgb2rgbmat(); |
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extern void compxyzWBmat(); |
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extern void compxyz2rgbWBmat(); |
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extern void comprgb2xyzWBmat(); |
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extern void comprgb2rgbWBmat(); |
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/* defined in colrops.c */ |
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extern int setcolrcor(); |
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extern int setcolrinv(); |
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extern int setcolrgam(); |
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extern int colrs_gambs(); |
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extern int gambs_colrs(); |
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extern void shiftcolrs(); |
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extern void normcolrs(); |
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|
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#else |
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/* defined in color.c */ |
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extern char *tempbuffer(unsigned int len); |
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extern int fwritecolrs(COLR *scanline, int len, FILE *fp); |
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extern int freadcolrs(COLR *scanline, int len, FILE *fp); |
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extern void colortrans(COLOR c2, COLORMAT mat, COLOR c1); |
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extern void multcolormat(COLORMAT m3, COLORMAT m2, |
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COLORMAT m1); |
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extern void compxyz2rgbmat(COLORMAT mat, RGBPRIMS pr); |
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extern void comprgb2xyzmat(COLORMAT mat, RGBPRIMS pr); |
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extern void comprgb2rgbmat(COLORMAT mat, RGBPRIMS pr1, RGBPRIMS pr2); |
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extern void compxyzWBmat(COLORMAT mat, float wht1[2], |
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extern int colorprimsOK(RGBPRIMS pr); |
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extern int compxyz2rgbmat(COLORMAT mat, RGBPRIMS pr); |
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extern int comprgb2xyzmat(COLORMAT mat, RGBPRIMS pr); |
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extern int comprgb2rgbmat(COLORMAT mat, RGBPRIMS pr1, RGBPRIMS pr2); |
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extern int compxyzWBmat(COLORMAT mat, float wht1[2], |
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float wht2[2]); |
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extern void compxyz2rgbWBmat(COLORMAT mat, RGBPRIMS pr); |
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extern void comprgb2xyzWBmat(COLORMAT mat, RGBPRIMS pr); |
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extern void comprgb2rgbWBmat(COLORMAT mat, RGBPRIMS pr1, RGBPRIMS pr2); |
227 |
> |
extern int compxyz2rgbWBmat(COLORMAT mat, RGBPRIMS pr); |
228 |
> |
extern int comprgb2xyzWBmat(COLORMAT mat, RGBPRIMS pr); |
229 |
> |
extern int comprgb2rgbWBmat(COLORMAT mat, RGBPRIMS pr1, RGBPRIMS pr2); |
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/* defined in colrops.c */ |
231 |
< |
extern int setcolrcor(double (*f)(), double a2); |
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extern int setcolrinv(double (*f)(), double a2); |
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extern int setcolrcor(double (*f)(double, double), double a2); |
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extern int setcolrinv(double (*f)(double, double), double a2); |
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extern int setcolrgam(double g); |
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extern int colrs_gambs(COLR *scan, int len); |
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extern int gambs_colrs(COLR *scan, int len); |
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extern void shiftcolrs(COLR *scan, int len, int adjust); |
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extern void normcolrs(COLR *scan, int len, int adjust); |
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|
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#endif |
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|
240 |
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#ifdef __cplusplus |
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} |
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#endif |
243 |
+ |
#endif /* _RAD_COLOR_H_ */ |
244 |
+ |
|