Joerg Sonnenberger wrote:
> On Thu, Oct 30, 2008 at 09:09:55AM -0400, Jose Gonzalez wrote:
>   
>>    Errr..  I mean in your example one *would* jpg-downscale to 32,
>> and the software down-scale to 31. The result, with 'smooth-scaling'
>> would be quite good.
>>     
>
> I think it is better to downscale only the *second* nearest power-of-two
> fraction and use full downscaling from that. That mean stay with 64 go
> down from that.
>   

   You can test this yourself very easily right now to see the difference
with your example case.

   Take your test 64x64 jpg image file as you want. Then, using a software-x11
evas, create two image objects. One you will load the jpg without any size
load-opts, and the other with the size load-opts set to scale it to 32x32.
Then, set both image objs to have smooth-scaling to true, their obj size to 
31x31
and their image-fill-size to the same, and render the evas.
   This will smooth-scale the first one from 64 to 31 and the second from 32 to 
31
(where the 32x32 will come from jpg-down-scaling), and you'll have your 
comparison
right there.


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