| 8 |
|
|
| 9 |
|
#undef NOPROTO |
| 10 |
|
#define NOPROTO 1 |
| 11 |
+ |
#ifndef MEM_PTR |
| 12 |
+ |
#define MEM_PTR char * |
| 13 |
+ |
#endif |
| 14 |
|
#include "tonemap.h" |
| 15 |
+ |
|
| 16 |
+ |
/* required constants */ |
| 17 |
+ |
#ifndef M_LN2 |
| 18 |
+ |
#define M_LN2 0.69314718055994530942 |
| 19 |
+ |
#endif |
| 20 |
+ |
#ifndef M_LN10 |
| 21 |
+ |
#define M_LN10 2.30258509299404568402 |
| 22 |
+ |
#endif |
| 23 |
|
/* minimum values and defaults */ |
| 24 |
|
#define MINGAM 0.75 |
| 25 |
|
#define DEFGAM 2.2 |
| 28 |
|
#define MINLDMAX 1. |
| 29 |
|
#define DEFLDMAX 100. |
| 30 |
|
|
| 20 |
– |
/* private flags */ |
| 21 |
– |
#define TM_F_INITED 010000 /* initialized flag */ |
| 22 |
– |
#define TM_F_NEEDMAT 020000 /* need matrix conversion */ |
| 23 |
– |
|
| 31 |
|
#define BRT2SCALE ((int)(M_LN2*TM_BRTSCALE+.5)) |
| 32 |
|
|
| 33 |
|
#define HISTEP 8 /* steps in BRTSCALE for each bin */ |
| 36 |
|
#define MINLUM (1.125352e-7) /* tmLuminance(MINBRT) */ |
| 37 |
|
|
| 38 |
|
#define LMESLOWER (5.62e-3) /* lower mesopic limit */ |
| 32 |
– |
#define BMESLOWER ((int)(-5.18*TM_BRTSCALE-.5)) |
| 39 |
|
#define LMESUPPER (5.62) /* upper mesopic limit */ |
| 40 |
+ |
#if (TM_BRTSCALE==128) |
| 41 |
+ |
#define BMESLOWER (-663) /* encoded LMESLOWER */ |
| 42 |
+ |
#define BMESUPPER (221) /* encoded LMESUPPER */ |
| 43 |
+ |
#else |
| 44 |
+ |
#define BMESLOWER ((int)(-5.18*TM_BRTSCALE-.5)) |
| 45 |
|
#define BMESUPPER ((int)(1.73*TM_BRTSCALE+.5)) |
| 46 |
+ |
#endif |
| 47 |
|
|
| 48 |
|
#ifndef int4 |
| 49 |
|
#define int4 int /* assume 32-bit integers */ |
| 58 |
|
(int4)(SCO_bf*256.+.5)*(c)[BLU] ) >> 8 ) |
| 59 |
|
|
| 60 |
|
#ifndef malloc |
| 61 |
< |
extern char *malloc(), *calloc(); |
| 61 |
> |
MEM_PTR malloc(); |
| 62 |
> |
MEM_PTR calloc(); |
| 63 |
|
#endif |
| 64 |
|
extern int tmErrorReturn(); |
| 65 |
|
|
