[kaffe] Patch: Merge java.awt.Color from Classpath

[Benja Fallenstein]

Hi all,

Kaffe's Color is not yet updated to Java 1.2, which changes the simple 
(red,green,blue) into a more complex scheme where colors can come from 
different color spaces etc. The simplest route to rectify this seemed to 
replace Kaffe's Color by the one from Classpath-- the other 
color-related classes like ColorSpace &c already come from Classpath. In 
the attached patch, I went this route, adding Kaffe's 'nativeValue' 
optimization (which allows the toolkit to store a native representation 
of a color in the Color object).

I tried to add the class ColorPaintContext, which Color depends on, from 
Classpath, but failed somehow (after 'sh developers/autogen.sh; 
./configure' I still get an error that ColorPaintContext is not found). 
In the attached patch, I thus commented out the parts that use 
ColorPaintContext. Maybe someone more in the know can add 
ColorPaintContext to the library.

Suggested changelog message: :-)
Replaced Kaffe's java.awt.Color by the 1.2-compliant one from GNU 
Classpath, adding support for 'nativeValue' to it.

Thanks!
- Benja
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