On 2012-08-30 3:03, Joseph McAllister wrote:
Anyway, my recollection is that TrueType was a method of minutely smoothing what was once lumpy pixels. As opposed to Adobe's vector drawing formula. It's been so long since I had to even think about it. Ya gotta let go of some of what you knew to make room for FaceBook timelines and Netflix streaming. Gagh.
TrueType character forms are composed of a set of vectors on (IIRC) a 2048 x 2048 coordinate grid, like a lot of font description languages. One place TT gets it's "umph" is that it also includes a robust hinting language to take care of things like the "lumps" that happen when that huge grid is transformed to a much smaller one on the output device. It also helps the font designer do things like make sure that the vertical stems in all of the letters end up the same width, regardless of where they fall in the mapping of the character coordinate system to the "page" coordinate system.
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