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Re: [E-devel] Evas gradients



On Fri, 20 Oct 2006 04:00:23 GMT "jose_ogp@juno.com" <jose_ogp@juno.com>
babbled:

> 
> 	I'm about to move out of evas-gradient-land for a while
> and thought I'd mention some the last bits on them here, in case
> anyone has any comments or suggestions.
> 
> 	I've recently added support for setting a (file,key) on a
> grad obj, so that one can load spectra via evas' image loaders..
> and threw in a "ggr" loader which allows for loading the gimp's
> gradient files -- this I've sent to Carsten for his reviewing
> pleasure :)
> 
> 	I've also recently moved gradients out to loadable modules,
> this so that unused types take up fewer resources (and don't even
> have to be compiled in if not desired). It also makes it easier
> to add new grad types, whenever one might be desired. Many thanks
> to Jorge's evas-modules work for making this a trivial matter. :)
> 
> 	Lastly, I thought I'd go ahead and add the ability to set
> not just the gradient object's fill-angle, but to allow one to
> set further transforms on the fill.. eg. to skew the fill, and
> what the heck, might as well allow for perspective projections
> as well.
> 
> 	The api for fill-skewing is simply:
> 
>    "evas_object_gradient_fill_skew_set(obj, angle_x, angle_y)"
> 
> where angle_x,y give the angles by which to rotate the x,y axes.
> 
> 	However, for projections, I'm not entirely certain what
> might be considered a good way for specifying this. I'm inclined
> to have:
> 
>    "evas_object_gradient_fill_project_set(obj, x, y, z)"
> 
> where x,y give offsets relative to the fill origin, and z gives a
> height to project from. But this isn't the only way that this could
> be done... I'll look into it a bit more over the weekend, but if
> anyone feels that they know of a better means of specifying this,
> please do suggest so (I'll go over the semantics of how the various
> transforms are composed a bit later).
> 
> 	In any case, this about covers all.. I'd like to get evas
> gradients over with for now, so if anyone has something to do with
> evas gradients that they'd like to see, or whatnot, then now would
> be a good time :)
> 
>    jose.

patches! :)

> 
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-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    raster@rasterman.com
裸好多
Tokyo, Japan (東京 日本)