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<!-- Creator : groff version 1.22.3 --> <!-- CreationDate: Sat Feb 10 02:09:07 2018 --> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta name="generator" content="groff -Thtml, see www.gnu.org"> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta name="Content-Style" content="text/css"> <style type="text/css"> p { margin-top: 0; margin-bottom: 0; vertical-align: top } pre { margin-top: 0; margin-bottom: 0; vertical-align: top } table { margin-top: 0; margin-bottom: 0; vertical-align: top } h1 { text-align: center } </style> <title>pic-12.html</title> </head> <hr> [ <a href="pic-11.html">prev</a> | <a href="pic-13.html">next</a> | <a href="pic.html">top</a> ] <hr> <h2>12. Style Variables <a name="12. Style Variables"></a> </h2> <p style="margin-top: 1em"><font color="#000000">There are a number of global style variables in <b>pic</b> that can be used to change its overall behavior. We’ve mentioned several of them in previous sections. They’re all described here. For each variable, the default is given.</font></p> <p align="center"><font color="#000000"><img src="img/pic42.png" alt="Image img/pic42.png"></font></p> <p><font color="#000000">Any of these variables can be set with a simple assignment statement. For example:</font></p> <p align="center" style="margin-top: 1em"><font color="#000000"><img src="img/pic43.png" alt="Image img/pic43.png"></font></p> <p align="center" style="margin-top: 1em"><font color="#000000">Figure 12-1: <b>boxht=1; boxwid=0.3; movewid=0.2; box; move; box; move; box; move; box;</b></font></p> <p style="margin-top: 1em"><font color="#000000">In GNU <b>pic</b>, setting the <b>scale</b> variable re-scales all size-related state variables so that their values remain equivalent in the new units.</font></p> <p style="margin-top: 1em"><font color="#000000">The command <b>reset</b> resets all style variables to their defaults. You can give it a list of variable names as arguments (optionally separated by commas), in which case it resets only those.</font></p> <p style="margin-top: 1em"><font color="#000000">State variables retain their values across pictures until reset.</font></p> <hr> [ <a href="pic-11.html">prev</a> | <a href="pic-13.html">next</a> | <a href="pic.html">top</a> ] <hr>