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Re: [ft] Off by one error in freetype (or in programmer?)


From: Werner LEMBERG
Subject: Re: [ft] Off by one error in freetype (or in programmer?)
Date: Fri, 06 Apr 2018 07:15:56 +0200 (CEST)

>> In TrueType, for example, all glyphs are shifted by (-1/2,-1/2)
>> internally to align pixel centers with the grid.
> 
> <http://alvyray.com/Memos/MemosCG.htm#PixelIsNotSquare>

Nice, but completely irrelevant.  For the conversion of font outlines
to pixmaps or graymaps, pixels *are* rectangles, both by definition
and construction.


    Werner



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