From: Mark Wooding <mdw@distorted.org.uk>
Date: Mon, 7 Sep 2020 15:39:56 +0000 (+0100)
Subject: slowbox.dtx: Add a demonstration.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mdwtools/commitdiff_plain/620dfe244d081e26ffbbdd5ce1fcc3b77e523f0b

slowbox.dtx: Add a demonstration.

Also a test.
---

diff --git a/slowbox.dtx b/slowbox.dtx
index a2c3909..5129a61 100644
--- a/slowbox.dtx
+++ b/slowbox.dtx
@@ -56,6 +56,7 @@
 %
 %<*driver>
 \input{mdwtools}
+\PassOptionsToPackage{hide}{slowbox}
 \describespackage{slowbox}
 \newcommand\opt[1]{\textsf{#1}}
 \def\*{\hspace{0pt plus 0.1pt}\ignorespaces}
@@ -115,6 +116,22 @@
 % before, it always typesets the box contents, and saves the measurements for
 % later.
 %
+% \begin{demo}{Slow boxes}
+%\newcommand{\pic}
+%  {\parbox[t]{20mm}
+%     {Just pretend that there's a picture
+%      here that would take aaaages to draw.}}
+%--
+%\begin{slowbox*}{show}
+%  \pic
+%\end{slowbox*}
+%--
+%\begin{slowbox}{hide}
+%  \pic
+%\end{slowbox}
+%--
+% \end{demo}
+%
 % \DescribeMacro\slowboxbegin
 % \DescribeMacro\slowboxend
 % It's useful to define your own commands environments which create slow