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| <h1>ImageMagick Conjure Command-line Tool</h1> |
| <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 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"> $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 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="../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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