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176
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]177<h1>Create, Edit, Compose, or Convert Images from the Command-line</h1>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]178<p class="navigation-index">[<a href="#animate">animate</a> &bull; <a href="#compare">compare</a> &bull; <a href="#composite">composite</a> &bull; <a href="#conjure">conjure</a> &bull; <a href="#convert">convert</a> &bull; <a href="#display">display</a> &bull; <a href="#identify">identify</a> &bull; <a href="#import">import</a> &bull; <a href="#mogrify">mogrify</a> &bull; <a href="#montage">montage</a> &bull; <a href="#stream">stream</a>]</p>
179
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]180<div class="doc-section">
181
182<p>ImageMagick includes a number of command-line utilities for manipulating images. Most of you are probably accustomed to editing images one at a time with a graphical user interface (GUI) with such programs as <a href="http://www.gimp.org">gimp</a> or <a href="http://www.adobe.com">Photoshop</a>. However, a GUI is not always convenient. Suppose you want to process an image dynamically from a web script or you want to apply the same operations to many images or repeat a specific operation at different times to the same or different image. For these types of operations, the command-line image processing utility is appropriate.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]183
184<p>The ImageMagick command-line tools exit with a status of 0 if the command line arguments have a proper syntax and no problems are encountered. Expect a descriptive message and an exit status of 1 if any exception occurs such as improper syntax, a problem reading or writing an image, or any other problem that prevents the command from completing successfully.</p>
185
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]186<p>In the paragraphs below, find a short description for each command-line tool. Click on the program name to get details about the program usage and a list of command-line options that alters how the program behaves. If you are just getting acquainted with ImageMagick, start with the <a href="#convert">convert</a> program. Be sure to peruse Anthony Thyssen's tutorial on how to use ImageMagick utilities to <a href="http://www.imagemagick.org/Usage/">create, edit, compose, or convert</a> images from the command-line.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]187
cristy361f4662010-12-31 23:02:52 +0000[diff] [blame]188<dl class="doc">
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]189<dt><a id="animate"></a><a href="../www/animate.html">animate</a></dt>
190
191<dd>animate an image sequence on any X server.</dd>
192
193<dt><a id="compare"></a><a href="../www/compare.html">compare</a></dt>
194
195<dd>mathematically and visually annotate the difference between an image and its reconstruction.</dd>
196
197<dt><a id="composite"></a><a href="../www/composite.html">composite</a></dt>
198
199<dd>overlap one image over another.</dd>
200
201<dt><a id="conjure"></a><a href="../www/conjure.html">conjure</a></dt>
202
203<dd>interpret and execute scripts written in the Magick Scripting Language (MSL).</dd>
204
205<dt><a id="convert"></a><a href="../www/convert.html">convert</a></dt>
206
207<dd>convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more.</dd>
208
209<dt><a id="display"></a><a href="../www/display.html">display</a></dt>
210
211<dd>display an image or image sequence on any X server.</dd>
212
213<dt><a id="identify"></a><a href="../www/identify.html">identify</a></dt>
214
215<dd>describe the format and characteristics of one or more image files.</dd>
216
217<dt><a id="import"></a><a href="../www/import.html">import</a></dt>
218
219<dd>save any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen.</dd>
220
221<dt><a id="mogrify"></a><a href="../www/mogrify.html">mogrify</a></dt>
222
223<dd>resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. Mogrify overwrites the original image file, whereas, <a href="../www/convert.html">convert</a> writes to a different image file.</dd>
224
225<dt><a id="montage"></a><a href="../www/montage.html">montage</a></dt>
226
227<dd>create a composite image by combining several separate images. The images are tiled on the composite image optionally adorned with a border, frame, image name, and more.</dd>
228
229<dt><a id="stream"></a><a href="../www/stream.html">stream</a></dt>
230
231<dd>a lightweight tool to stream one or more pixel components of the image or portion of the image to your choice of storage formats. It writes the pixel components as they are read from the input image a row at a time making <kbd>stream</kbd> desirable when working with large images or when you require raw pixel components.</dd>
232</dl>
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