Lines Matching refs:up_row
1081 png_free(png_ptr, png_ptr->up_row);1180 if ((png_ptr->do_filter & PNG_FILTER_UP) && png_ptr->up_row == NULL)1189 png_ptr->up_row = (png_bytep)png_malloc(png_ptr,1191 png_ptr->up_row[0] = PNG_FILTER_VALUE_UP;