Lines Matching full:screen_gamma
327 png_ptr->screen_gamma = output_gamma;
804 png_ptr->screen_gamma = scrn_gamma;
1048 * the [file] gamma and screen_gamma are not close reciprocals, otherwise it
1052 png_gamma_threshold(png_fixed_point screen_gamma, png_fixed_point file_gamma)
1062 return !png_muldiv(>est, screen_gamma, file_gamma, PNG_FP_1) ||
1272 if (png_ptr->screen_gamma != 0) /* screen set too */
1274 png_ptr->screen_gamma);
1280 png_ptr->screen_gamma = png_reciprocal(png_ptr->gamma);
1283 else if (png_ptr->screen_gamma != 0)
1289 png_ptr->gamma = png_reciprocal(png_ptr->screen_gamma);
1297 png_ptr->screen_gamma = png_ptr->gamma = PNG_FP_1;
1372 if (!png_gamma_significant(png_ptr->screen_gamma))
1520 png_gamma_significant(png_ptr->screen_gamma)))
1523 || png_gamma_significant(png_ptr->screen_gamma)
1529 && png_gamma_significant(png_ptr->screen_gamma))
1574 g = (png_ptr->screen_gamma);
1581 png_ptr->screen_gamma);
1587 png_ptr->screen_gamma);
1683 g = png_ptr->screen_gamma;
1689 gs = png_reciprocal2(png_ptr->gamma, png_ptr->screen_gamma);
1695 png_ptr->screen_gamma);