Lines Matching refs:filter_to_do
2151 png_byte filter_to_do = png_ptr->do_filter;
2160 if (png_ptr->row_number == 0 && filter_to_do == PNG_ALL_FILTERS)
2163 filter_to_do &= ~(PNG_FILTER_UP | PNG_FILTER_PAETH);
2202 if ((filter_to_do & PNG_FILTER_NONE) &&
2203 filter_to_do != PNG_FILTER_NONE)
2255 if (filter_to_do == PNG_FILTER_SUB)
2273 else if (filter_to_do & PNG_FILTER_SUB)
2372 if (filter_to_do == PNG_FILTER_UP)
2386 else if (filter_to_do & PNG_FILTER_UP)
2475 if (filter_to_do == PNG_FILTER_AVG)
2492 else if (filter_to_do & PNG_FILTER_AVG)
2587 if (filter_to_do == PNG_FILTER_PAETH)
2625 else if (filter_to_do & PNG_FILTER_PAETH)