TIFFCheckTile     639 3rdparty/libtiff/tif_read.c     if (!TIFFCheckRead(tif, 1) || !TIFFCheckTile(tif, x, y, z, s))
TIFFCheckTile     315 3rdparty/libtiff/tif_write.c     if (!TIFFCheckTile(tif, x, y, z, s))
TIFFCheckTile     453 3rdparty/libtiff/tiffio.h extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s);