Lines Matching full:background_gamma
96 int need_expand, png_fixed_point background_gamma)
115 png_ptr->background_gamma = background_gamma;
127 int need_expand, double background_gamma)
130 need_expand, png_fixed(png_ptr, background_gamma, "png_set_background"));
336 png_ptr->background_gamma = png_ptr->gamma; /* just in case */
1526 && png_gamma_significant(png_ptr->background_gamma))
1585 g = png_reciprocal(png_ptr->background_gamma);
1586 gs = png_reciprocal2(png_ptr->background_gamma,
1693 g = png_reciprocal(png_ptr->background_gamma);
1694 gs = png_reciprocal2(png_ptr->background_gamma,
