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<title>ImageMagick: Command-line Tools: Conjure</title>
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<p class="navigation-index">[<a href="#usage">Example Usage</a> • <a href="#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="../www/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 name="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"> $magick> </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">
<?xml version="1.0" encoding="UTF-8"?>
<image size="400x400">
<read filename="image.gif" />
<get width="base-width" height="base-height" />
<resize geometry="%[dimensions]" />
<get width="width" height="height" />
<print output="Image sized from %[base-width]x%[base-height] to %[width]x%[height].\n" />
<write filename="image.png" />
</image>
</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">
<?xml version="1.0" encoding="UTF-8"?>
<group>
<image id="family">
<read filename="family.gif"/>
<resize geometry="300x300"/>
</image>
<image id="palm-trees">
<read filename="palm-trees.gif"/>
<resize geometry="300x100"/>
</image>
<image>
<read filename="beach.jpg"/>
<composite image="family" geometry="+30+40"/>
<composite image="palm-trees" geometry="+320+90"/>
</image>
<write filename="family-vacation.png"/>
</group>
</pre>
<p>Here we display the width in pixels of text for a particular font and pointsize.</p>
<pre class="text">
<?xml version="1.0" encoding="UTF-8"?>
<image>
<query-font-metrics text="ImageMagick" font="helvetica" pointsize="48" />
<print output="Text width is %[msl:font-metrics.width] pixels.\n" />
</image>
</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="../www/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 name="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="../www/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="../www/command-line-options.html#help">-help</a></td>
<td valign="top">print program options</td>
</tr>
<tr>
<td valign="top"><a href="../www/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="../www/command-line-options.html#monitor">-monitor</a></td>
<td valign="top">monitor progress</td>
</tr>
<tr>
<td valign="top"><a href="../www/command-line-options.html#quiet">-quiet</a></td>
<td valign="top">suppress all warning messages</td>
</tr>
<tr>
<td valign="top"><a href="../www/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="../www/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="../www/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="../www/command-line-options.html#version">-version</a></td>
<td valign="top">print version information</td>
</tr>
</tbody>
</table>
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Mandriva
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x86_64
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media
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main-release
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