Lines Matching refs:screen_gamma
564 png_ptr->screen_gamma = (float)scrn_gamma; in png_set_gamma()
912 && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0) in png_init_read_transformations()
958 g = (png_ptr->screen_gamma); in png_init_read_transformations()
964 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_init_read_transformations()
970 png_ptr->screen_gamma); in png_init_read_transformations()
1053 g = (png_ptr->screen_gamma); in png_init_read_transformations()
1059 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_init_read_transformations()
1065 png_ptr->screen_gamma); in png_init_read_transformations()
2647 g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma); in png_correct_palette()
4192 if (png_ptr->screen_gamma > .000001) in png_build_gamma_table()
4193 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_build_gamma_table()
4227 if (png_ptr->screen_gamma > 0.000001) in png_build_gamma_table()
4228 g = 1.0 / png_ptr->screen_gamma; in png_build_gamma_table()
4286 if (png_ptr->screen_gamma > .000001) in png_build_gamma_table()
4287 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma); in png_build_gamma_table()
4370 if (png_ptr->screen_gamma > 0.000001) in png_build_gamma_table()
4371 g = 1.0 / png_ptr->screen_gamma; in png_build_gamma_table()