Lines Matching full:old_row
716 png_bytep old_row = ((png_bytep *)our_data)[row_num];
722 if ((old_row != NULL) && (new_row != NULL))
723 png_progressive_combine_row(png_ptr, old_row, new_row);
738 png_progressive_combine_row(png_ptr, old_row, new_row);
740 /* where old_row is what was displayed for previous rows. Note
