PNG_BACKGROUND_GAMMA_UNIQUE 1525 3rdparty/libpng/pngrtran.c             || (png_ptr->background_gamma_type == PNG_BACKGROUND_GAMMA_UNIQUE
PNG_BACKGROUND_GAMMA_UNIQUE 1584 3rdparty/libpng/pngrtran.c                   case PNG_BACKGROUND_GAMMA_UNIQUE:
PNG_BACKGROUND_GAMMA_UNIQUE 1692 3rdparty/libpng/pngrtran.c                case PNG_BACKGROUND_GAMMA_UNIQUE: