libgphoto2 photo camera library (libgphoto2) API
2.5.10.1
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Functions | |
int | gp_gamma_fill_table (unsigned char *table, double g) |
Initialize a Gamma conversion table. More... | |
int | gp_gamma_correct_single (unsigned char *table, unsigned char *data, unsigned int data_size) |
Gamma correction. More... | |
int gp_gamma_correct_single | ( | unsigned char * | table, |
unsigned char * | data, | ||
unsigned int | size | ||
) |
Gamma correction.
Corrects size pixels within the table with a given Gamma correction table.
table | the gamma correction table as generated by gp_gamma_fill_table() |
data | the data do process, both input and output |
size | in number of pixels (RGB byte pairs) |
int gp_gamma_fill_table | ( | unsigned char * | table, |
double | g | ||
) |
Initialize a Gamma conversion table.
Initializes the gamma conversion table for later use by gp_gamma_correct_single(). Requires a 256 byte array as table.
table | a 256 byte array of unsigned char |
g | gamma correction value |
References GP_OK.