* Reusing MP graphics
@ 2013-03-11 19:20 Marco Patzer
2013-03-12 10:58 ` Hans Hagen
0 siblings, 1 reply; 2+ messages in thread
From: Marco Patzer @ 2013-03-11 19:20 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Hi,
I have two questions concerning MP graphics.
What's going on here? The “abcdefghi” text is not displayed in the second
graphic and the “A” is stretched to match the size of the first graphic. Can
someone explain why this happens and if this is expected?
\startreusableMPgraphic{foo}
draw textext("abcdefghi");
picture p; p := currentpicture;
\stopreusableMPgraphic
\startreusableMPgraphic{bar}
addto currentpicture also p; %% not printed
draw textext("A"); %% distorted
\stopreusableMPgraphic
\starttext
\reuseMPgraphic{foo}
\reuseMPgraphic{bar}
\stoptext
Does \includeMPgraphic only work with useMPgraphics (in contrast to
reusableMPgraphic)?
%% works with useMPgraphics, though
\startreusableMPgraphic{alpha}
draw textext("abcdefghi");
\stopreusableMPgraphic
\startreusableMPgraphic{beta}
\includeMPgraphic{alpha}
draw textext("A"); %% not printed
\stopreusableMPgraphic
\starttext
\reuseMPgraphic{alpha}
\reuseMPgraphic{beta}
\stoptext
Marco
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Reusing MP graphics
2013-03-11 19:20 Reusing MP graphics Marco Patzer
@ 2013-03-12 10:58 ` Hans Hagen
0 siblings, 0 replies; 2+ messages in thread
From: Hans Hagen @ 2013-03-12 10:58 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 3/11/2013 8:20 PM, Marco Patzer wrote:
> Hi,
>
> I have two questions concerning MP graphics.
>
> What's going on here? The “abcdefghi” text is not displayed in the second
> graphic and the “A” is stretched to match the size of the first graphic. Can
> someone explain why this happens and if this is expected?
>
> \startreusableMPgraphic{foo}
> draw textext("abcdefghi");
> picture p; p := currentpicture;
> \stopreusableMPgraphic
>
> \startreusableMPgraphic{bar}
> addto currentpicture also p; %% not printed
> draw textext("A"); %% distorted
> \stopreusableMPgraphic
>
> \starttext
> \reuseMPgraphic{foo}
> \reuseMPgraphic{bar}
> \stoptext
>
>
> Does \includeMPgraphic only work with useMPgraphics (in contrast to
> reusableMPgraphic)?
>
> %% works with useMPgraphics, though
> \startreusableMPgraphic{alpha}
> draw textext("abcdefghi");
> \stopreusableMPgraphic
>
> \startreusableMPgraphic{beta}
> \includeMPgraphic{alpha}
> draw textext("A"); %% not printed
> \stopreusableMPgraphic
>
> \starttext
> \reuseMPgraphic{alpha}
> \reuseMPgraphic{beta}
> \stoptext
For each graphic context will remember the text picture. so, in your
case, the stored p in the first graphic has a reference to a text
picture (index 1) but it's the one created in the second graphic (also
index 1). There are no persistent text pictures (yet).
Hans
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___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
archive : http://foundry.supelec.fr/projects/contextrev/
wiki : http://contextgarden.net
___________________________________________________________________________________
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