Lines Matching refs:screen_gamma
536 png_ptr->screen_gamma = (float)scrn_gamma; in png_set_gamma()
849 && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0) in png_init_read_transformations()
895 g = (png_ptr->screen_gamma); in png_init_read_transformations()
900 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_init_read_transformations()
905 png_ptr->screen_gamma); in png_init_read_transformations()
979 g = (png_ptr->screen_gamma); in png_init_read_transformations()
984 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_init_read_transformations()
989 png_ptr->screen_gamma); in png_init_read_transformations()
2532 g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma); in png_correct_palette()
4023 if (png_ptr->screen_gamma > .000001) in png_build_gamma_table()
4024 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_build_gamma_table()
4057 if(png_ptr->screen_gamma > 0.000001) in png_build_gamma_table()
4058 g = 1.0 / png_ptr->screen_gamma; in png_build_gamma_table()
4111 if (png_ptr->screen_gamma > .000001) in png_build_gamma_table()
4112 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_build_gamma_table()
4194 if(png_ptr->screen_gamma > 0.000001) in png_build_gamma_table()
4195 g = 1.0 / png_ptr->screen_gamma; in png_build_gamma_table()