1004                      palette[i].red = png_ptr->gamma_from_1[w];  in png_init_read_transformations()
1008                      palette[i].green = png_ptr->gamma_from_1[w];  in png_init_read_transformations()
1012                      palette[i].blue = png_ptr->gamma_from_1[w];  in png_init_read_transformations()
1455          png_ptr->gamma_table, png_ptr->gamma_from_1,  in png_do_read_transformations()
2342             if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL)  in png_do_rgb_to_gray()
2355                      *(dp++) = png_ptr->gamma_from_1[  in png_do_rgb_to_gray()
2448             if (png_ptr->gamma_from_1 != NULL && png_ptr->gamma_to_1 != NULL)  in png_do_rgb_to_gray()
2459                   *(dp++) =  png_ptr->gamma_from_1  in png_do_rgb_to_gray()
2688                palette[i].red = png_ptr->gamma_from_1[w];  in png_correct_palette()
2692                palette[i].green = png_ptr->gamma_from_1[w];  in png_correct_palette()
2696                palette[i].blue = png_ptr->gamma_from_1[w];  in png_correct_palette()
2802    png_bytep gamma_table, png_bytep gamma_from_1, png_bytep gamma_to_1,  in png_do_background()  argument
3155                if (gamma_to_1 != NULL && gamma_from_1 != NULL &&  in png_do_background()
3179                         *dp = gamma_from_1[w];  in png_do_background()
3298                if (gamma_to_1 != NULL && gamma_from_1 != NULL &&  in png_do_background()
3326                         *dp = gamma_from_1[w];  in png_do_background()
3329                         *(dp + 1) = gamma_from_1[w];  in png_do_background()
3332                         *(dp + 2) = gamma_from_1[w];  in png_do_background()
4214         png_ptr->gamma_from_1 = (png_bytep)png_malloc(png_ptr,  in png_build_gamma_table()
4225            png_ptr->gamma_from_1[i] = (png_byte)(pow((double)i / 255.0,  in png_build_gamma_table()