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[XBoard-devel] chess fonts

From: Jason Dorje Short
Subject: [XBoard-devel] chess fonts
Date: Thu, 04 Nov 2004 12:13:13 -0500
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20041007 Debian/1.7.3-5

I'm trying to get GPL'd images for chess pieces in SVG format.

(Background: my chess program loads the SVG images at runtime. This allows dynamic resizing of the chess pieces as the window resizes - a very nice effect. The current images I have were created from the xboard bitmaps using autotrace; however this doesn't give very good results. So I have the choice of finding graphics somewhere or attempting to draw them myself.)

The README in xboard's bitmaps directory claims that the metafont sources for the chess bitmaps may be obtained from the original author (Elmar Bartel) under the GPL. However this notice is 10 years old. Does anyone now have a copy of these metafont sources? If so I would like a copy (which I will try to put into SVG using fontforge, which I think is possible although I have little experience with this).

I also think if anyone has these sources still, they should/must be put into the xboard source distribution or at least made easily available. My interpretation of the GPL is that GPL'd image sources (SVG or font data) should follow exactly the same rules as source code for "normal" programs. This may not apply in this case because the copyright is still held by the original author, but there's no reason that I can see *not* to include them.

Finally I'd suggest that if possible xboard/winboard should also load and render the SVG files directly at runtime. My program uses GTK and GDK, so loading SVG is trivial using librsvg. Using XAW I have no idea what, if any, library xboard could use for this.

Jason Short

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