PNG_FREE_ROWS 508 3rdparty/libpng/png.c if ((mask & PNG_FREE_ROWS) & info_ptr->free_me) PNG_FREE_ROWS 1276 3rdparty/libpng/pngread.c png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0); PNG_FREE_ROWS 1286 3rdparty/libpng/pngread.c info_ptr->free_me |= PNG_FREE_ROWS; PNG_FREE_ROWS 1197 3rdparty/libpng/pngset.c png_free_data(png_ptr, info_ptr, PNG_FREE_ROWS, 0);