[NTG-context] Update text variables inside metapost

Aditya Mahajan adityam at umich.edu
Sun Mar 8 00:57:39 CET 2015

On Sat, 7 Mar 2015, DesdeChaves wrote:

> Why the metapost not updated the value of text variables that are generated
> inside luacode environment?
> In the code below, If I have \startitemize[columns,two] then metapost draw:
> 1. \Bolha[size=6cm]{text1}{text2}{text3},
> 2. and four  \Bolha[size=4cm]{text1}{text2}{text3}, but text1, text2 and
> text3 is not updated in every call;

Use useMPgraphic instead of uniqueMPgraphic.

uniqueMPgraphic recomputes the graphic only when the dimensions of figure 
has changed; otherwise, it reuses the previously drawn graphic. This 
behavior was useful for drawing page-backgrounds etc in MkII where calling 
metapost was slow.


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