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Re: Programmatically converting PNG to TIFF

From: Fred Kiefer
Subject: Re: Programmatically converting PNG to TIFF
Date: Fri, 28 May 2004 23:50:00 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040114

Andreas Hoeschler wrote:

Usually NSImage should be able to read PNG. I found a hint on the net that WindowMaker (libwrster) should be installed before configuring GNUstep to make it PNG aware. I tried that with no success. NSImage ist still not able to read PNG data.

Since the great change of Alexander and Adam in January GNUstep no longer relies on on libwraster to load PNG (or other graphics formats). If you have a recent installation of GNUstep, it should be able to read PNG files as soon as libpng is installed and found during the configure process. If this does not work for you, you should recheck the configure log to see if something did go wrong at that stage. Otherwise it may be with the data itself. I only tested this functionality with PNG files, but it should work as well with data in PNG data. If your data wont work you could send on a (small) example file for tests.


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