150 lines
6.8 KiB
HTML
150 lines
6.8 KiB
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<div class="section" id="the-mathzoom-extension">
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<span id="configure-mathzoom"></span><h1>The MathZoom extension<a class="headerlink" href="#the-mathzoom-extension" title="Permalink to this headline">¶</a></h1>
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<p>The options below control the operation of the Math-Zoom feature that
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allows users to see an enlarged version of the mathematics when they
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click or hover over typeset mathematics. They are listed with their
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default values. To set any of these options, include a <tt class="docutils literal"><span class="pre">MathZoom</span></tt>
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section in your <tt class="xref py py-meth docutils literal"><span class="pre">MathJax.Hub.Config()</span></tt> call. For example</p>
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<div class="highlight-javascript"><div class="highlight"><pre><span class="nx">MathJax</span><span class="p">.</span><span class="nx">Hub</span><span class="p">.</span><span class="nx">Config</span><span class="p">({</span>
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<span class="nx">MathZoom</span><span class="o">:</span> <span class="p">{</span>
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<span class="nx">styles</span><span class="o">:</span> <span class="p">{</span>
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<span class="s2">"#MathJax_Zoom"</span><span class="o">:</span> <span class="p">{</span>
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<span class="s2">"background-color"</span><span class="o">:</span> <span class="s2">"#0000F0"</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="p">});</span>
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</pre></div>
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</div>
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<p>would set the background color of the Zoom box to a very light blue.</p>
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<p>Mathematics is zoomed when the user “triggers” the zoom by an action,
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either clicking on the mathematics, double-clicking on it, or holding
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the mouse still over it (i.e., “hovering”). Which trigger is used is
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set by the user via the math contextual menu (or by the author using
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the <tt class="docutils literal"><span class="pre">menuSettings</span></tt> configuration section of the <cite>core configuration
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options <configure-hub></cite>).</p>
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<dl class="describe">
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<dt>
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<tt class="descname">delay: 500</tt></dt>
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<dd><p>This value is now stored as the <tt class="docutils literal"><span class="pre">hover</span></tt> parameter in the
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<a class="reference internal" href="MathEvents.html#configure-mathevents"><em>MathEvents</em></a> configuration options, and
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will have no effect if given here.</p>
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</dd></dl>
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<dl class="describe">
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<dt>
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<tt class="descname">styles: {}</tt></dt>
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<dd><p>This is a list of CSS declarations for styling the zoomed
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mathematics. See the definitions in <tt class="docutils literal"><span class="pre">extensions/MathZoom.js</span></tt>
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for details of what are defined by default. See <a class="reference internal" href="../CSS-styles.html#css-style-objects"><em>CSS Style
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Objects</em></a> for details on how to specify CSS
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style in a JavaScript object.</p>
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