Searched refs:screen_gamma (Results 1 – 3 of 3) sorted by relevance
327 png_ptr->screen_gamma = output_gamma; in png_set_alpha_mode_fixed()804 png_ptr->screen_gamma = scrn_gamma; in png_set_gamma_fixed()1052 png_gamma_threshold(png_fixed_point screen_gamma, png_fixed_point file_gamma) in png_gamma_threshold() argument1062 return !png_muldiv(>est, screen_gamma, file_gamma, PNG_FP_1) || in png_gamma_threshold()1272 if (png_ptr->screen_gamma != 0) /* screen set too */ in png_init_read_transformations()1274 png_ptr->screen_gamma); in png_init_read_transformations()1280 png_ptr->screen_gamma = png_reciprocal(png_ptr->gamma); in png_init_read_transformations()1283 else if (png_ptr->screen_gamma != 0) in png_init_read_transformations()1289 png_ptr->gamma = png_reciprocal(png_ptr->screen_gamma); in png_init_read_transformations()1297 png_ptr->screen_gamma = png_ptr->gamma = PNG_FP_1; in png_init_read_transformations()[all …]
173 png_fixed_point screen_gamma; /* screen gamma value (display_exponent) */ member
1510 (png_structp png_ptr, double screen_gamma,1513 png_fixed_point screen_gamma, png_fixed_point override_file_gamma))