Hi BR.

did u hava some design docs on evas?

Steven Liu

On Wed, 2010-05-12 at 22:19 -0400, Dejun.Liu wrote:
> Hi BR.
> 
> thanks.
> 
> i understand ,continue to dig the source.
> 
> 
> 
> On Wed, 2010-05-12 at 23:08 -0300, Gustavo Sverzut Barbieri wrote:
> > On Wed, May 12, 2010 at 10:48 PM, Dejun.Liu <[email protected]> wrote:
> > > Hi.
> > >
> > > recently ,I dig the evas source code ,but i did not understand how image
> > > cache works,so is there any docs on this subject?
> > 
> > Image cache should be transparent. Once you load the image the
> > parameters are mangled into a hash table key and the contents in the
> > data. As images are mostly read-only, unless told otherwise, these are
> > shared among all possible users. If the last user goes away, then it
> > is put into cache (it may the evas_object_image being deleted, or it
> > being set to use another image), then this cache is limited to the
> > number of bytes configured.  If one ask the image pixels to be
> > written, then the image is copied and these pixels are returned, so
> > other users will not be affected.
> > 
> > BR,
> > 
> > 
> 
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