[pstricks] \defineTColor

[Jan Steffan]

On Wednesday 17 August 2005 11:21, Paul Smith wrote:
> On 8/16/05, Herbert Voss <LaTeX at zedat.fu-berlin.de> wrote:
> > search also in the mailing list. Manuel posted a solution
> > with "real" transparency
>
> Can one expect to have PStricks with inbuilt "real" transparency in the
> future?
It was not posted by Manuel (he posted an approach that calculates the 
intersection of two shapes), but by me. This was on July 12 and is burried in 
a thread about Venn diagrams. 
The problem with my approach is, that it relys on a proprietory feature of 
ghostscript. The sample code I posted is for fillstyles only. In principle 
the trick would work for lines, too. However, the pstricks code that actually 
draws paths is quite a mess and doesen't seem to provide a hook for adding 
the necessary postscript commands from an add-on package. 

In short: it would require a change of the core pstricks code, but I wouldn't 
do this becaus the solution uses nonstandard postscript commands. 

A clean solution would be to clean up the code of pstricks and to provide 
hooks for adding things like this through add-on packages. 
	Jan

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