[cairo] Trying to figure out some rasterization problems

[David Kastrup]

Behdad Esfahbod <behdad at behdad.org> writes:

> On 13-04-22 01:06 PM, David Kastrup wrote:
>> Behdad Esfahbod <behdad at behdad.org> writes:
>> 
>>> On 13-04-22 07:53 AM, David Kastrup wrote:
>>>> Behdad Esfahbod <behdad at behdad.org> writes:
>>>>
>>>>> But I have to ask: in 2013, who cares about stroke adjustment?  Just
>>>>> draw a shape and fill it.  I'm sure no print would look bad.
>>>>
>>>> Reality check: at 600dpi, without stroke adjustment, typical staff lines
>>>> oscillate in thickness between 5 and 6 pixels.
>>>>
>>>> Since the lines are comparatively close and parallel, a variation of
>>>> +20% in darkness is quite visible.  And yes, it definitely makes the
>>>> print look bad.
>>>
>>> Interesting...
>>>
>>> Have you considered putting your primitives in a font and render using the
>>> Postscript text primitives?
>> 
>> There is quite a bit of variation in stem lengths (they are adjusted for
>> collision avoidance, cross stem etc).  Fixed fonts are pretty much out,
>> generating fonts on the fly is somewhat easier to suggest than
>> implemented.
>
> If you were using cairo to generate the output you could use the "user
> fonts" to generate fonts very easily.

I have a healthy respect for things that are considered to be doable
very easily.  At any rate, we are generating our PostScript directly.

-- 
David Kastrup