Lines Matching full:gamma
87 png_warning(png_ptr, "Application must supply a known background gamma");
522 * We will turn off gamma transformation later if no semitransparent entries
535 png_ptr->gamma = (float)file_gamma;
849 && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0)
864 png_ptr->gamma != 0.0)
899 g = 1.0 / (png_ptr->gamma);
900 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
983 g = 1.0 / (png_ptr->gamma);
984 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
1048 /* No GAMMA transformation */
1162 info_ptr->gamma = png_ptr->gamma;
2458 * paletted. Most useful for gamma correction and simplification
2689 * "background" is already in the screen gamma, while "background_1" is
2690 * at a gamma of 1.0. Paletted files have already been taken care of.
2901 /* background is already in screen gamma */
2991 /* background is already in screen gamma */
3058 /* background is already in screen gamma */
3125 /* background is already in screen gamma */
3202 /* background is already in screen gamma */
3283 /* background is already in screen gamma */
3375 /* Gamma correct the image, avoiding the alpha channel. Make sure
4008 /* We build the 8- or 16-bit gamma tables here. Note that for 16-bit
4024 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
4042 g = 1.0 / (png_ptr->gamma);
4060 g = png_ptr->gamma; /* probably doing rgb_to_gray */
4112 g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
4174 g = 1.0 / (png_ptr->gamma);
4197 g = png_ptr->gamma; /* probably doing rgb_to_gray */
