Difference between revisions of "Command/startreusableMPgraphic"
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(Proper example code) |
(Add overlay example) |
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== Description == | == Description == | ||
− | Define code for a MetaPost graphic. The graphic is compiled once, and can be reused multiple times | + | Define code for a MetaPost graphic. The graphic is compiled once, and can be reused multiple times with {{cmd|reuseMPgraphic}}. |
== Example == | == Example == | ||
Line 33: | Line 33: | ||
blue: \reuseMPgraphic{name} | blue: \reuseMPgraphic{name} | ||
</context> | </context> | ||
+ | |||
+ | The command is not very suitable for defining an overlay [[Overlays|overlays]] that must vary in width: | ||
+ | |||
+ | <context source=yes> | ||
+ | \startreusableMPgraphic{beta} | ||
+ | fill unitsquare | ||
+ | xyscaled (\overlaywidth, \overlayheight) | ||
+ | % `uniformdeviate` 1 produces a random number between 0 and 1 | ||
+ | withcolor (uniformdeviate 1, uniformdeviate 1, uniformdeviate 1); | ||
+ | \stopreusableMPgraphic | ||
+ | |||
+ | \defineoverlay | ||
+ | [beta] | ||
+ | [\reuseMPgraphic{beta}] | ||
+ | |||
+ | \dontleavehmode | ||
+ | \framed[background=beta]{narrow} | ||
+ | \framed[background=beta]{narrow} | ||
+ | \framed[background=beta]{rather wide} | ||
== See also == | == See also == |
Revision as of 16:50, 26 November 2012
\startreusableMPgraphic
Syntax
\startreusableMPgraphic{...} | |
{...} | name under which the graphic will be known |
Description
Define code for a MetaPost graphic. The graphic is compiled once, and can be reused multiple times with \reuseMPgraphic.
Example
\def\mycolor{.625red} \startreusableMPgraphic{name} fill fullcircle scaled 20pt withcolor \mycolor; \stopreusableMPgraphic red: \reuseMPgraphic{name} \def\mycolor{.625blue} blue: \reuseMPgraphic{name}
The command is not very suitable for defining an overlay overlays that must vary in width:
<context source=yes> \startreusableMPgraphic{beta} fill unitsquare xyscaled (\overlaywidth, \overlayheight)
% uniformdeviate
1 produces a random number between 0 and 1
withcolor (uniformdeviate 1, uniformdeviate 1, uniformdeviate 1); \stopreusableMPgraphic
\defineoverlay [beta] [\reuseMPgraphic{beta}]
\dontleavehmode \framed[background=beta]{narrow} \framed[background=beta]{narrow} \framed[background=beta]{rather wide}
See also
- \defineMPinstance
- \setupMPinstance
- \startMPinclusions
- \startMPenvironment — deprecated
- \startMPcode
- \startuseMPgraphic — dynamic graphics that are recompiled at every use
- \useMPgraphic — use a dynamic graphic
- \startuniqueMPgraphic — dynamic graphics that are recompiled when parameters (width, height, depth, background color, line color) change
- \uniqueMPgraphic — use a dynamic graphic
- \startreusableMPgraphic — static graphics that are compiled once
- \reuseMPgraphic — use a static graphic
- \startstaticMPfigure — standalone graphics
- \usestaticMPfigure — use a standalone graphic
- \startMPpage — a page just large enough to fit its MetaPost contents
- MetaFun - MetaPost in ConTeXt
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