Raster layer opacity

[Jonathan Coles]

2005/4/29, Bernhard Herzog <bh at intevation.de>:
> I don't see why you need to add the layer itself.  The opacity value
> would have sufficed.  So far the draw_raster_data implementations had no
> need to know about layers.  They only needed to know about raster data
> rendering.  I think it should stay that way.

i've change draw_raster_data() by removing the layer parameter and
adding an opacity parameter whose default value is 1.0.

--jonathan

-- 
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Jonathan Coles                               http://www.jpcoles.com
jonathan at jpcoles.com
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