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:
"file:key:mode"
Each of file, key, and mode must be present.
'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...
jose.
grad_shaped.tgz
Description: grad_shaped.tgz
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