14 |
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#endif |
15 |
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|
16 |
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/**** Argument Macros ****/ |
17 |
< |
/* Flags of what to do */ |
17 |
> |
/* flags of what to do */ |
18 |
|
#define TM_F_HCONTR 01 /* human contrast sensitivity */ |
19 |
|
#define TM_F_MESOPIC 02 /* mesopic color sensitivity */ |
20 |
|
#define TM_F_LINEAR 04 /* linear brightness mapping */ |
70 |
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typedef short TMbright; /* encoded luminance type */ |
71 |
|
|
72 |
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/* basic tone mapping data structure */ |
73 |
< |
typedef struct tmStruct { |
73 |
> |
typedef struct { |
74 |
|
int flags; /* flags of what to do */ |
75 |
|
RGBPRIMP monpri; /* monitor RGB primaries */ |
76 |
|
double mongam; /* monitor gamma value (approx.) */ |
78 |
|
int cdiv[3]; /* computed color divisors */ |
79 |
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RGBPRIMP inppri; /* current input primaries */ |
80 |
|
double inpsf; /* current input scalefactor */ |
81 |
+ |
MEM_PTR inpdat; /* current input client data */ |
82 |
|
COLORMAT cmat; /* color conversion matrix */ |
83 |
|
TMbright hbrmin, hbrmax; /* histogram brightness limits */ |
84 |
|
int *histo; /* input histogram */ |
118 |
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|
119 |
|
/**** Library Function Calls ****/ |
120 |
|
|
121 |
+ |
extern TMbright |
122 |
+ |
tmCvLuminance(double lum); |
123 |
+ |
/* |
124 |
+ |
Convert a single luminance value to an encoded brightness value. |
125 |
+ |
*/ |
126 |
|
|
127 |
|
extern TMstruct * |
128 |
|
tmInit(int flags, RGBPRIMP monpri, double gamval); |
137 |
|
*/ |
138 |
|
|
139 |
|
extern int |
140 |
< |
tmSetSpace(TMstruct *tms, RGBPRIMP pri, double sf); |
140 |
> |
tmSetSpace(TMstruct *tms, RGBPRIMP pri, double sf, MEM_PTR dat); |
141 |
|
/* |
142 |
|
Set color primaries and scale factor for incoming scanlines. |
143 |
|
|
144 |
|
tms - tone mapping structure pointer. |
145 |
|
pri - RGB color input primaries (Note 1). |
146 |
|
sf - scale factor to get to luminance in cd/m^2. |
147 |
+ |
dat - application-specific data (NULL if not needed) |
148 |
|
|
149 |
|
returns - 0 on success, TM_E_* code on failure. |
150 |
|
*/ |