[cairo] will clip region decrease the performance of filliing?

[Kalle Vahlman]

2010/9/13 oken <okenjian at 163.com>:
> Hi,all,
>   In what situation will the clip region decrease the performance of
> filliing?
>   I find it that I my program if I reset the clip before filling, it will be
> much faster.
>   It my program, if i don't reset the clip, calling cairo_fill to fill 500
> rectangles takes about 20ms, which i think is too long!
>   Any suggestions to improve the performance of cairo_filling?

I believe this FAQ entry could be right on the money:

  http://cairographics.org/FAQ/#clipping_performance

-- 
Kalle Vahlman, zuh at iki.fi
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