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Re: [Devel] fixed pitch fonts: should isFixedPitch be honoured?


From: Graham . Asher
Subject: Re: [Devel] fixed pitch fonts: should isFixedPitch be honoured?
Date: Fri, 23 Mar 2001 16:42:14 +0000

David,

I should have explained in a bit more detail. What happens is that, because
the Chinese ideograms are about 1 em wide, and I guess that's the width of
the widest character, all the Roman characters look ridiculously widely
spaced l i k e  t h i s. It *doesn't* happen on Microsoft Windows NT
applications, so it looks like Microsoft's font rendering logic is ignoring
the flag.

I am not sure whether the rasterizer needs to do anything with a
fixed-pitch flag except maybe avoid hinting the characters in a way that
might make them different widths. I am probably rather ignorant, but surely
a fixed-width font would set all its glyphs to the same advance width
anyway. If it doesn't then an application is free to ignore the returned
widths and impose a standard advance width, but that is another matter.

What do you think?

Graham




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