todo

A*算法 A*算法 A*算法 A*算法A*算法A*算法

#	$Header: /pack/cvsroots/wxwidgets/wxWindows/src/tiff/TODO,v 1.2 2002/12/04 14:10:14 VZ Exp $

o tiffcmp read data by strip/tile instead of scanline
o YCbCr sampling support
o extracate colorspace conversion support
o look at isolating all codecs from TIFF library
o JPEG colormode order dependency problem