[cairo] 10000% performance increase for clip surfaces

[Maarten Breddels]

Carl Worth wrote:

>I thought I had replied to this earlier, but I can't find any evidence
>that I did...
>
>On Fri, 17 Dec 2004 15:57:48 +0100, Alexander Larsson wrote:
>  
>
>>These two changes brought down the page rendering speed to about 2.4
>>seconds, which is about 11250% faster (likely even more, since a
>>significant part of the time is spent reading and decoding the pdf and
>>writing out the resulting png).
>>    
>>
>
>Fantastic work Alexander!
>  
>
Indeed, this is the first time clipping worked on the win32 platform :), 
hooray!
thx,

-Maarten Breddels