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Re: Times font and outline points


From: Antoine Leca
Subject: Re: Times font and outline points
Date: Wed, 06 Sep 2000 14:57:28 +0200

Josip Rakonca wrote:
> 
> I extracted outline of the "O" glyph from the Times font. According to
> flags, all contour points seem to be "on" points.

I do not know which version of Times (or derivatives) it is, and
in which format it stands, but I am pretty sure your conclusion is
wrong; the "round" parts of the glyphs are *always* constructed
with non-straight lines, and having only on points will give you
only straight lines.


> I suppose some of these points are converted into "off" points when
> glyph instruction code is executed.

That is possible, but highly unlikely.

For example, often in TrueType bytecodes one of the first instruction
to be executed, is to turn off hinting when the pointsize is so big
that it exceeds the design, i.e. greater than 2047 in the usual case
(because hinting would be useless then).

 
> Do I have to interpret the code by myself or there is some function in the
> library that executes the code?

Can you show (put it available somewhere online if it exceeds one page)
the code you use to get your conclusion? I suspect a failure in logic
with your code...


Antoine



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