| 53 |
|
|
| 54 |
|
#define TM_BRTSCALE 256 /* brightness scale factor (integer) */ |
| 55 |
|
|
| 56 |
< |
#define TM_NOBRT (-1<<15) /* bogus brightness value */ |
| 56 |
> |
#define TM_NOBRT (~0x7fff) /* bogus brightness value */ |
| 57 |
|
#define TM_NOLUM (1e-17) /* ridiculously small luminance */ |
| 58 |
|
|
| 59 |
+ |
#define TM_BRES 4096 /* luminance tone-map resolution */ |
| 60 |
+ |
|
| 61 |
|
#define TM_MAXPKG 8 /* maximum number of color formats */ |
| 62 |
|
|
| 63 |
|
|
| 64 |
|
/**** Global Data Types and Structures ****/ |
| 65 |
|
|
| 66 |
< |
#ifndef MEM_PTR |
| 67 |
< |
#define MEM_PTR void * |
| 66 |
> |
#ifndef HIST_TYP |
| 67 |
> |
#define HIST_TYP unsigned long |
| 68 |
|
#endif |
| 69 |
+ |
#ifndef TMAP_TYP |
| 70 |
+ |
#define TMAP_TYP uint16 |
| 71 |
+ |
#endif |
| 72 |
|
|
| 73 |
|
extern char *tmErrorMessage[]; /* error messages */ |
| 74 |
|
|
| 83 |
|
int cdiv[3]; /* computed color divisors */ |
| 84 |
|
RGBPRIMP inppri; /* current input primaries */ |
| 85 |
|
double inpsf; /* current input scalefactor */ |
| 81 |
– |
MEM_PTR inpdat; /* current input client data */ |
| 86 |
|
COLORMAT cmat; /* color conversion matrix */ |
| 87 |
|
TMbright hbrmin, hbrmax; /* histogram brightness limits */ |
| 88 |
< |
int *histo; /* input histogram */ |
| 88 |
> |
HIST_TYP *histo; /* input histogram */ |
| 89 |
|
TMbright mbrmin, mbrmax; /* mapped brightness limits */ |
| 90 |
< |
unsigned short *lumap; /* computed luminance map */ |
| 91 |
< |
MEM_PTR pd[TM_MAXPKG]; /* pointers to private data */ |
| 90 |
> |
TMAP_TYP *lumap; /* computed luminance map */ |
| 91 |
> |
void *pd[TM_MAXPKG]; /* pointers to private data */ |
| 92 |
|
int lastError; /* last error incurred */ |
| 93 |
|
const char *lastFunc; /* error-generating function name */ |
| 94 |
|
} TMstruct; |
| 95 |
|
|
| 96 |
|
/* conversion package functions */ |
| 97 |
|
struct tmPackage { |
| 98 |
< |
MEM_PTR (*Init)(TMstruct *tms); |
| 98 |
> |
void * (*Init)(TMstruct *tms); |
| 99 |
|
void (*NewSpace)(TMstruct *tms); |
| 100 |
< |
void (*Free)(MEM_PTR pp); |
| 100 |
> |
void (*Free)(void *pp); |
| 101 |
|
}; |
| 102 |
|
/* our list of conversion packages */ |
| 103 |
|
extern struct tmPackage *tmPkg[TM_MAXPKG]; |
| 153 |
|
*/ |
| 154 |
|
|
| 155 |
|
extern int |
| 156 |
< |
tmSetSpace(TMstruct *tms, RGBPRIMP pri, double sf, MEM_PTR dat); |
| 156 |
> |
tmSetSpace(TMstruct *tms, RGBPRIMP pri, double sf); |
| 157 |
|
/* |
| 158 |
|
Set color primaries and scale factor for incoming scanlines. |
| 159 |
|
|
| 160 |
|
tms - tone mapping structure pointer. |
| 161 |
|
pri - RGB color input primaries (Note 1). |
| 162 |
|
sf - scale factor to get to luminance in cd/m^2. |
| 159 |
– |
dat - application-specific data (NULL if not needed) |
| 163 |
|
|
| 164 |
|
returns - 0 on success, TM_E_* code on failure. |
| 165 |
|
*/ |
| 186 |
|
*/ |
| 187 |
|
|
| 188 |
|
extern int |
| 189 |
< |
tmFixedMapping(TMstruct *tms, double expmult, double gamval); |
| 189 |
> |
tmFixedMapping(TMstruct *tms, double expmult, double gamval, double Lddyn); |
| 190 |
|
/* |
| 191 |
|
Assign a fixed, linear tone-mapping using the given multiplier, |
| 192 |
|
which is the ratio of maximum output to uncalibrated input. |
| 197 |
|
tms - tone mapping structure pointer. |
| 198 |
|
expmult - the fixed exposure multiplier to use. |
| 199 |
|
gamval - display gamma response (0. for default). |
| 200 |
+ |
Lddyn - the display's dynamic range (0. for default). |
| 201 |
|
|
| 202 |
|
returns - 0 on success, TM_E_* on error. |
| 203 |
|
*/ |
