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From: | Nikolaus Waxweiler |
Subject: | Re: [ft-devel] Downscaling of rendered bitmaps? |
Date: | Sun, 13 Mar 2016 18:20:29 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
Mhmm, it's not *that* simple, I think, since you should somehow assure that, say, the ascender height gets aligned to an integer value if possible.
The first idea that comes to mind is to inflate 3x and when scaling back down, taking the first row and discarding the next two.
Although I just remembered that I should re-read the sections in the Raster Tragedy on that. To do it the safe Microsoft way, I would probably have to teach the rasterizer oversampling and only trigger it when doing TrueType.
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