PNG_FILTER_UP    1626 3rdparty/libpng/png.h #define PNG_ALL_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \
PNG_FILTER_UP    1054 3rdparty/libpng/pngwrite.c             png_ptr->do_filter = PNG_FILTER_UP; break;
PNG_FILTER_UP    1089 3rdparty/libpng/pngwrite.c          if ((png_ptr->do_filter & PNG_FILTER_UP) && png_ptr->up_row == NULL)
PNG_FILTER_UP    1095 3rdparty/libpng/pngwrite.c                    ~PNG_FILTER_UP);
PNG_FILTER_UP    2047 3rdparty/libpng/pngwutil.c    if (png_ptr->do_filter & (PNG_FILTER_AVG | PNG_FILTER_UP | PNG_FILTER_PAETH))
PNG_FILTER_UP    2052 3rdparty/libpng/pngwutil.c       if (png_ptr->do_filter & PNG_FILTER_UP)
PNG_FILTER_UP    2442 3rdparty/libpng/pngwutil.c      filter_to_do &= ~(PNG_FILTER_UP | PNG_FILTER_PAETH);
PNG_FILTER_UP    2666 3rdparty/libpng/pngwutil.c    if (filter_to_do == PNG_FILTER_UP)
PNG_FILTER_UP    2681 3rdparty/libpng/pngwutil.c    else if (filter_to_do & PNG_FILTER_UP)