Lines Matching refs:do_filter
1010 png_ptr->do_filter = PNG_FILTER_NONE; break;
1014 png_ptr->do_filter = PNG_FILTER_SUB; break;
1017 png_ptr->do_filter = PNG_FILTER_UP; break;
1020 png_ptr->do_filter = PNG_FILTER_AVG; break;
1023 png_ptr->do_filter = PNG_FILTER_PAETH; break;
1026 png_ptr->do_filter = (png_byte)filters; break;
1045 if ((png_ptr->do_filter & PNG_FILTER_SUB) && png_ptr->sub_row == NULL)
1052 if ((png_ptr->do_filter & PNG_FILTER_UP) && png_ptr->up_row == NULL)
1057 png_ptr->do_filter = (png_byte)(png_ptr->do_filter &
1069 if ((png_ptr->do_filter & PNG_FILTER_AVG) && png_ptr->avg_row == NULL)
1074 png_ptr->do_filter = (png_byte)(png_ptr->do_filter &
1086 if ((png_ptr->do_filter & PNG_FILTER_PAETH) &&
1092 png_ptr->do_filter &= (png_byte)(~PNG_FILTER_PAETH);
1103 if (png_ptr->do_filter == PNG_NO_FILTERS)
1105 png_ptr->do_filter = PNG_FILTER_NONE;
