| @@ -170,7 +170,7 @@ struct caca_bitmap | |||||
| int rleft, gleft, bleft, aleft; | int rleft, gleft, bleft, aleft; | ||||
| void (*get_hsv)(struct caca_bitmap *, char *, int, int); | void (*get_hsv)(struct caca_bitmap *, char *, int, int); | ||||
| int red[256], green[256], blue[256], alpha[256]; | int red[256], green[256], blue[256], alpha[256]; | ||||
| float gammaval; | |||||
| float gamma; | |||||
| int gammatab[4097]; | int gammatab[4097]; | ||||
| }; | }; | ||||
| #endif | #endif | ||||
| @@ -325,19 +325,19 @@ void caca_set_bitmap_palette(struct caca_bitmap *bitmap, | |||||
| * Set the gamma of bitmap. | * Set the gamma of bitmap. | ||||
| * | * | ||||
| * \param bitmap Bitmap object. | * \param bitmap Bitmap object. | ||||
| * \param red Gamma value. | |||||
| * \param gamma Gamma value. | |||||
| */ | */ | ||||
| void caca_set_bitmap_gamma(struct caca_bitmap *bitmap, float gammaval) | |||||
| void caca_set_bitmap_gamma(struct caca_bitmap *bitmap, float gamma) | |||||
| { | { | ||||
| int i; | int i; | ||||
| if(gammaval <= 0.0) | |||||
| if(gamma <= 0.0) | |||||
| return; | return; | ||||
| bitmap->gammaval = gammaval; | |||||
| bitmap->gamma = gamma; | |||||
| for(i = 0; i < 4096; i++) | for(i = 0; i < 4096; i++) | ||||
| bitmap->gammatab[i] = 4096.0 * caca_powf((float)i / 4096.0, 1.0 / gammaval); | |||||
| bitmap->gammatab[i] = 4096.0 * caca_powf((float)i / 4096.0, 1.0 / gamma); | |||||
| } | } | ||||
| /** | /** | ||||