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Re: [E-devel] Evas 'shaped' gradient type
On Mon, 7 Aug 2006 08:15:30 GMT "email@example.com" <firstname.lastname@example.org> babbled:
> Attached is a tgz file containing a patch for a new evas
> gradient type named "shaped".
> This type, unlike the others, does not use a described
> geometry, but instead uses an image to specify that.
> The type has as its params a string of the form:
> Each of file, key, and mode must be present.
personally i would have made this 2 function parameters - fielname, key and
then an enum for mode. then its split at the api level and no parsing need be
> 'file' is the name of some image file.
> 'key' is the name of some key for loading from eet files --
> if no key is desired, then one must write NULL as the key.
> 'mode' is one of: alpha, grey, or color.
> The mode will determine how the spectrum is used in conjunction
> with the image to obtain the result:
> 'alpha' uses the image's alpha channel as the index to
> the spectrum.
> 'grey' uses the image's grey channel, ie. the values
> a*(r+g+b)/3, as the index.
> 'color' uses all the image's color channels by using the
> spectrum as a color-modifier.
> eg. "/path_to/image.png:NULL:color"
> The evas_test_main program contains a sample of how to
> use this grad type... It can be used to obtain scaling/tiling/
> rotating/re-coloring of images...
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler) email@example.com
Tokyo, Japan (東京 日本)