[racket-dev] [plt] Push #28945: master branch updated

On Fri, Jun 27, 2014 at 12:30 PM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
> At Fri, 27 Jun 2014 11:56:39 -0400, Sam Tobin-Hochstadt wrote:
>> On Fri, Jun 27, 2014 at 11:45 AM, Matthew Flatt <mflatt at cs.utah.edu> wrote:
>> > For some reason, the way that PDF fragments are pulled in by `pdflatex`
>> > makes the fragments look worse in some PDF viewers/machines than the
>> > way that PS fragments are pulled in by `latex` plus `dvips`. I think it
>> > has to do with heuristics in PDF viewers, and I think there's no
>> > difference when going to a printer.
>>
>> My impression was that PDF was supposed to be a pixel-accurate format,
>> at least when self-contained and not using system fonts, and thus
>> there wouldn't be any such heuristics. Is that not true?
>
> PDF is a vector-graphics format, not a raster-graphics format (so it
> doesn't really say anything about pixels).

Right -- what I meant was that at a given size, rendering should be
pixel-accurate, so that you shouldn't see differences between
different viewers (unlike, say, HTML, which doesn't prescribe layout
nearly as precisely).

Sam