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2008.11.27 15:41 "Basic (tiff) functions", by Uwe Dippel
2008.11.27 16:01 "Re: Basic (tiff) functions", by Toby Thain

2008.11.27 15:41 "Basic (tiff) functions", by Uwe Dippel

This might have been asked before, I tried Google, but without success:

How can I easily and quickly scale up by a factor of 2 in y-direction? 
(Incoming fax)
Is there any tool in libtiff to easily extract a region?

The tricky part is, that any suggestion like 'ImageMagick' is not 
helpful. We are developing an embedded system, so no X. And not much of 
processing power.
I consider it a wastage of resources, to always do something like 
'tifftopnm | {pnmscale | pnmcut} |  pnmtotiff'.

Any faster suggestion is welcome,

Uwe