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<h1>ImageMagick Conjure Command-line Tool</h1>
<p class="navigation-index">[<a href="conjure.html#usage">Example Usage</a> &bull; <a href="conjure.html#options">Option Summary</a>]</p>

<div class="doc-section">
<p>The <kbd>conjure</kbd> program gives you the ability to perform custom image processing tasks from a script written in the Magick Scripting Language (MSL).  MSL is XML-based and consists of action statements with attributes.  Actions include reading an image, processing an image, getting attributes from an image, writing an image, and more.  An attribute is a key/value pair that modifies the behavior of an action.  See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <kbd>conjure</kbd> command or see below for example usages of the command.</p>
</div>

<h2><a id="usage"></a>Example Usage</h2>
<div class="doc-section">

<p>We list a few examples of the <kbd>conjure</kbd> command here to illustrate its usefulness and ease of use. To get started, here is simple <kbd>conjure</kbd> command:</p>

<p class='crt'><span class="crtprompt"> $ </span><span class='crtin'>conjure -dimensions 400x400 incantation.msl</span></p>
<p>The MSL script <a href="../www/source/incantation.msl">incantation.msl</a> used above is here:</p>

<pre class="text">
  &lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;image size="400x400"&gt;
    &lt;read filename="image.gif" /&gt;
    &lt;get width="base-width" height="base-height" /&gt;
    &lt;resize geometry="%[dimensions]" /&gt;
    &lt;get width="width" height="height" /&gt;
    &lt;print output="Image sized from %[base-width]x%[base-height] to %[width]x%[height].\n" /&gt;
    &lt;write filename="image.png" /&gt;
  &lt;/image&gt;
</pre>

<p>In this example, a family stayed home for their vacation but as far as their friends are concerned they went to a beautiful beach in the Caribbean:</p>

<pre class="text">
  &lt;?xml version="1.0" encoding="UTF-8"?>
  &lt;group>
      &lt;image id="family">
          &lt;read filename="family.gif"/>
          &lt;resize geometry="300x300"/>
      &lt;/image>
      &lt;image id="palm-trees">
          &lt;read filename="palm-trees.gif"/>
          &lt;resize geometry="300x100"/>
      &lt;/image>
      &lt;image>
          &lt;read filename="beach.jpg"/>
          &lt;composite image="family" geometry="+30+40"/>
          &lt;composite image="palm-trees" geometry="+320+90"/>
      &lt;/image>
      &lt;write filename="family-vacation.png"/>
  &lt;/group>
</pre>

<p>Here we display the width in pixels of text for a particular font and pointsize.</p>

<pre class="text">
  &lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;image&gt;
    &lt;query-font-metrics text="ImageMagick" font="helvetica" pointsize="48" /&gt;
    &lt;print output="Text width is %[msl:font-metrics.width] pixels.\n" /&gt;
  &lt;/image&gt;
</pre>

<p>The <kbd>query-font-metrics</kbd> tag supports these properties:</p>

<pre class="text">
    msl:font-metrics.pixels_per_em.x
    msl:font-metrics.pixels_per_em.y
    msl:font-metrics.ascent
    msl:font-metrics.descent
    msl:font-metrics.width
    msl:font-metrics.height
    msl:font-metrics.max_advance
    msl:font-metrics.bounds.x1
    msl:font-metrics.bounds.y1
    msl:font-metrics.bounds.x2
    msl:font-metrics.bounds.y2
    msl:font-metrics.origin.x
    msl:font-metrics.origin.y
</pre>

<p>MSL supports most methods and attributes discussed in the <a href="perl-magick.html">Perl API for ImageMagick</a>.
</p>

<p>In addition, MSL supports the <kbd>swap</kbd> element with a single <kbd>indexes</kbd> element.</p>

<p>You can find additional examples of using <kbd>conjure</kbd> in <a href="http://www-106.ibm.com/developerworks/library/l-graf/?ca=dnt-428">Graphics from the Command Line</a>.  Further discussion is available in <a href="http://www-106.ibm.com/developerworks/library/l-graf2/?ca=dgr-lnxw15GraphicsLine">More Graphics from the Command Line</a> and <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>

</div>

<h2><a id="options"></a>Option Summary</h2>
<div class="doc-section">

<p>The <kbd>conjure</kbd> command recognizes these options.  Click on an option to get more details about how that option works.</p>

<table class="doc">
  <tbody>
  <tr>
    <th align="left">Option</th>
    <th align="left">Description</th>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#debug">-debug <em class="option">events</em></a></td>
    <td valign="top">display copious debugging information</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#help">-help</a></td>
    <td valign="top">print program options</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#log">-log <em class="option">format</em></a></td>
    <td valign="top">format of debugging information</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#monitor">-monitor</a></td>
    <td valign="top">monitor progress</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#quiet">-quiet</a></td>
    <td valign="top">suppress all warning messages</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
    <td valign="top">pay attention to warning messages.</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#seed">-seed <em class="option">value</em></a></td>
    <td valign="top">seed a new sequence of pseudo-random numbers</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#verbose">-verbose</a></td>
    <td valign="top">print detailed information about the image</td>
  </tr>

  <tr>
    <td valign="top"><a href="command-line-options.html#version">-version</a></td>
    <td valign="top">print version information</td>
  </tr>

  </tbody>
</table>

</div>

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