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July 2007
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2007.07.27 17:54 "Re: How to create a 200x100 dpi TIFF file?", by Bob Friesenhahn
On Fri, 27 Jul 2007, mohamad zeinali wrote: > Hi there, > I want to make a TIFF file from a TBitmap. I read the thread : > http://www.asmail.be/msg0054998186.html > > It helped a lot, but I need my file to be Fax Group 3 and also with 200 dpi > horizontal resolution and > 100dpi vertical resolution. I know how to make it G3 but I have a > headache with resolution. > I tried XRESOLUTION and YRESOLUTION tags without any luck. Libtiff will only save the pixels as supplied. The resolution values are just attributes for the image. Libtiff will not resample the pixels for you. If you have an image that needs to be resampled to work with FAX, then you will need to use some other software that can do the resampling for you. Bob ====================================== Bob Friesenhahn bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/