| 18 |
|
#define SWNORM 2.26 /* scotopic/photopic ratio for white */ |
| 19 |
|
#define WHTSEFFICACY (SWNORM*WHTEFFICACY) |
| 20 |
|
|
| 21 |
+ |
#define BotMesopic 5.62e-3 /* top of scotopic range */ |
| 22 |
+ |
#define TopMesopic 5.62 /* bottom of photopic range */ |
| 23 |
+ |
|
| 24 |
|
#define FOVDIA (1.0*PI/180.) /* foveal diameter (radians) */ |
| 25 |
|
|
| 26 |
|
#define HISTRES 100 /* histogram resolution */ |
| 65 |
|
|
| 66 |
|
#define fovscan(y) (fovimg+(y)*fvxr) |
| 67 |
|
|
| 68 |
< |
extern int bwhist[HISTRES]; /* luminance histogram */ |
| 69 |
< |
extern long histot; /* total count of histogram */ |
| 68 |
> |
extern float bwhist[HISTRES]; /* luminance histogram */ |
| 69 |
> |
extern double histot; /* total count of histogram */ |
| 70 |
|
extern double bwmin, bwmax; /* histogram limits */ |
| 71 |
|
extern double bwavg; /* mean brightness */ |
| 72 |
|
|
| 73 |
< |
#define bwhc(B) bwhist[(int)(HISTRES*((B)-bwmin)/(bwmax-bwmin))] |
| 73 |
> |
#define bwhi(B) (int)(HISTRES*((B)-bwmin)/(bwmax-bwmin)) |
| 74 |
|
|
| 75 |
|
extern RGBPRIMP inprims; /* input primaries */ |
| 76 |
|
extern COLORMAT inrgb2xyz; /* convert input RGB to XYZ */ |
