| 30 |
|
#define MINLDMAX 1. |
| 31 |
|
#define DEFLDMAX 100. |
| 32 |
|
|
| 33 |
< |
#define BRT2SCALE(l2) (int)(M_LN2*TM_BRTSCALE*(l2) + ((l2)>0 ? .5 : -.5)) |
| 33 |
> |
#define BRT2SCALE(l2) (int)(M_LN2*TM_BRTSCALE*(l2) + .5 - ((l2) < 0)) |
| 34 |
|
|
| 35 |
< |
#define HISTEP 8 /* steps in BRTSCALE for each bin */ |
| 35 |
> |
#define HISTEP 16 /* steps in BRTSCALE for each bin */ |
| 36 |
|
|
| 37 |
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#define MINBRT (-16*TM_BRTSCALE) /* minimum usable brightness */ |
| 38 |
|
#define MINLUM (1.125352e-7) /* tmLuminance(MINBRT) */ |
| 44 |
|
#define LMESUPPER (5.62) /* upper mesopic limit */ |
| 45 |
|
#define BMESLOWER ((int)(-5.18*TM_BRTSCALE-.5)) |
| 46 |
|
#define BMESUPPER ((int)(1.73*TM_BRTSCALE+.5)) |
| 47 |
+ |
|
| 48 |
|
/* approximate scotopic lum. */ |
| 49 |
|
#define SCO_rf 0.062 |
| 50 |
|
#define SCO_gf 0.608 |
| 59 |
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extern int tmErrorReturn(const char *, TMstruct *, int); |
| 60 |
|
|
| 61 |
|
/* lookup for mesopic scaling */ |
| 62 |
< |
extern BYTE tmMesofact[BMESUPPER-BMESLOWER]; |
| 62 |
> |
extern uby8 tmMesofact[BMESUPPER-BMESLOWER]; |
| 63 |
|
|
| 64 |
|
extern void tmMkMesofact(void); /* build tmMesofact */ |
| 65 |
|
|
