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Lines Matching full:screen_gamma

517 /* Transform the image from the file_gamma to the screen_gamma.  We
518  * only do transformations on images where the file_gamma and screen_gamma
536    png_ptr->screen_gamma = (float)scrn_gamma;
849        && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0)
895                      g = (png_ptr->screen_gamma);
900                      gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
905                                  png_ptr->screen_gamma);
979                   g = (png_ptr->screen_gamma);
984                   gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
989                      png_ptr->screen_gamma);
2532          g = 1.0 / (png_ptr->background_gamma * png_ptr->screen_gamma);
4023      if (png_ptr->screen_gamma > .000001)
4024         g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
4057         if(png_ptr->screen_gamma > 0.000001)
4058            g = 1.0 / png_ptr->screen_gamma;
4111      if (png_ptr->screen_gamma > .000001)
4112         g = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
4194         if(png_ptr->screen_gamma > 0.000001)
4195            g = 1.0 / png_ptr->screen_gamma;