[cairo] Recording Surfaces (was Re: virtual surfaces and composition)

[Adrian Johnson]

On 10/12/15 07:56, Lawrence D'Oliveiro wrote:
> On Wed, 09 Dec 2015 15:47:01 +0000, Henry (Yu) Song wrote:
> 
>> Does cairo recording surface work for you?  Unfortunately cairo
>> recording surface does not have "TRUE" playback though.
> 
> I did one brief experiment with recording surfaces: I drew a simple
> circle shape, and then constructed a pattern from that surface to draw
> into another surface.
> 
> However, when I scaled up the pattern, it looked blurred. Which
> surprised me, because I thought it would be resolution-independent.
> 

It works for me. All the recording surface does is record the drawing
API commands and their parameters and replay them to the target surface.
It does not save a rendered image. Replaying to different scales should
work unless there was a bug in the version you tried.