Lines Matching refs:png_do_dither
1407 png_do_dither((png_row_infop)&(png_ptr->row_info), png_ptr->row_buf + 1,1410 png_error(png_ptr, "png_do_dither returned rowbytes=0");3914 png_do_dither(png_row_infop row_info, png_bytep row,3921 png_debug(1, "in png_do_dither\n");