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

[Henry (Yu) Song]

(1) A recording surface can be played back on other types of surfaces - xlib, xcb, quartz, gl, you name it

(2) enable parallel rendering - image you recording in one thread and playback on other thread, for example

(3) you can record once, and playback many times if you want





On 12/9/15, 1:34 PM, "cairo on behalf of Lawrence D'Oliveiro" <cairo-bounces at cairographics.org on behalf of ldo at geek-central.gen.nz> wrote:

>On Wed, 09 Dec 2015 21:29:02 +0000, Henry (Yu) Song wrote:
>
>> On 12/9/15, 1:26 PM, "cairo on behalf of Lawrence D'Oliveiro"
>> <cairo-bounces at cairographics.org on behalf of
>> ldo at geek-central.gen.nz> wrote:
>>
>>> However, when I scaled up the pattern, it looked blurred. Which
>>> surprised me, because I thought it would be resolution-independent.
>>
>> That is the expected behavior.  It is same as your draw the circle to
>> an image surface, and paint the image surface to another with scaling.
>
>What is the point of using a recording surface over an image surface,
>then?
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