MetaFun - Pragma ADE

192
13
SampleText ("\colored[a=1,t=.5,r=1]Much Of This") ;
SampleText ("\colored[a=1,t=.5,g=1]Functionality") ;
SampleText ("\colored[a=1,t=.5,b=1]Was Written") ;
SampleText ("\colored[a=1,t=.5,c=1]While Listening") ;
SampleText ("\colored[a=1,t=.5,m=1]To the CD's Of") ;
SampleText ("\colored[a=1,t=.5,y=1]Tori Amos") ;
As expected we get:
While To Much Functionality
Was Tori theWritten Listening Amos CD's Of This Of
Currently the 12 in PDF available transparency methods are supported. 13 You can use both numbers
and names. As you may expect, both CONTEXT and METAFUN support transparency in the same way.
Figure 8.1 shows how the method affects the result.
normal multiply screen overlay
softlight hardlight colordodge colorburn
darken lighten difference exclusion
Figure 8.1 The 12 transparancy alternatives by name.
In CONTEXT a transparent color is defined in a similar way as ‘normal' colors. The transparency
method is specified with the a key (either by number or by name) and the factor t.
In the future we may also support more control over the individual methods.
Special effects Transparency