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cristy29dc8652015-05-12 16:26:21 +0000[diff] [blame]5<!DOCTYPE html>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]6<html lang="en">
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]7<head>
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Cristye19d2552019-04-27 20:03:27 -0400[diff] [blame]10 <title>ImageMagick - Command-line Tools: Display</title>
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Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]12 <meta name="description" content="Use ImageMagick® to create, edit, compose, and convert bitmap images. Resize an image, crop it, change its shades and colors, add captions, and more." />
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Cristy8d6f6382020-03-19 18:36:11 -0400[diff] [blame]30 <meta property='og:description' content="Create, Edit, Compose, or Convert Bitmap Images" />
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cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]36</head>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]37<body>
Cristyfae1b182019-01-05 11:47:43 -0500[diff] [blame]38 <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
Cristya2276362018-09-09 10:28:40 -0400[diff] [blame]39 <a class="navbar-brand" href="../index.html"><img class="d-block" id="icon" alt="ImageMagick" width="32" height="32" src="../images/wand.ico"/></a>
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43
Cristyfae1b182019-01-05 11:47:43 -0500[diff] [blame]44 <div class="navbar-collapse collapse" id="navbarsMagick" style="">
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]45 <ul class="navbar-nav mr-auto">
46 <li class="nav-item ">
47 <a class="nav-link" href="../index.html">Home <span class="sr-only">(current)</span></a>
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49 <li class="nav-item ">
Cristycf3b1082017-12-09 18:04:00 -0500[diff] [blame]50 <a class="nav-link" href="download.html">Download</a>
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]51 </li>
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Cristycf3b1082017-12-09 18:04:00 -0500[diff] [blame]53 <a class="nav-link" href="command-line-tools.html">Tools</a>
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55 <li class="nav-item ">
Cristycf3b1082017-12-09 18:04:00 -0500[diff] [blame]56 <a class="nav-link" href="command-line-processing.html">Command-line</a>
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]57 </li>
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Cristycf3b1082017-12-09 18:04:00 -0500[diff] [blame]59 <a class="nav-link" href="develop.html">Develop</a>
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]60 </li>
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Cristyc253f2f2020-06-12 19:17:20 -0400[diff] [blame]62 <a class="nav-link" target="_blank" href="https://github.com/ImageMagick/ImageMagick/discussions">Community</a>
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]63 </li>
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Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]70 </ul>
Cristy917fa782020-02-21 08:50:35 -0500[diff] [blame]71 </div>
Cristyd8420112021-01-01 14:52:00 -0500[diff] [blame]72 <form class="form-inline my-2 my-md-0" action="search.html">
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Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]76 </nav>
Cristy8fe3d7b2017-12-09 15:53:23 -0500[diff] [blame]77 <div class="container">
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Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]89
Cristy0e12ff62020-07-30 17:19:08 -0400[diff] [blame]90 <main role="main" class="container">
Cristy13afdf02017-12-08 12:19:49 -0500[diff] [blame]91 <div class="magick-template">
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]92<div class="magick-header">
Cristy144d8c92020-11-16 17:54:24 +0000[diff] [blame]93<h1 class="text-center">Image Viewer</h1>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]94<p class="text-center"><a href="display.html#usage">Example Usage</a> • <a href="display.html#options">Option Summary</a></p>
95
96<p class="lead magick-description">Use the <code>display</code> program to display an image or image sequence on any X server. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>display</code> command or see below for example usages of the command.</p>
97
Cristy09882bf2019-01-05 16:36:34 -0500[diff] [blame]98<h2><a class="anchor" id="usage"></a>Example Usage</h2>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]99
100<p>We list a few examples of the <code>display</code> command here to illustrate its usefulness and ease of use. To get started, lets display an image in the JPEG format:</p>
101
102<pre class="highlight"><code>magick display rose.jpg
103</code></pre>
104
105<p>To tile a slate texture onto the root window, use:</p>
106
107<pre class="highlight"><code>magick display -size 1280x1024 -window root slate.png
108</code></pre>
109
110<p>To display a visual image directory of all your JPEG images, use:</p>
111
112<pre class="highlight"><code>magick display 'vid:*.jpg'
113</code></pre>
114
amgreene86ee29e2020-06-22 07:27:32 -0400[diff] [blame]115<p>The display program defaults to the X screen resolution. To display vector formats at their intended size, override the default resolution:</p>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]116
117<pre class="highlight"><code>magick display -density 72 drawing.svg
118</code></pre>
119
Cristy6ed6e582020-09-18 21:47:29 +0000[diff] [blame]120<p>You can find additional examples of using <code>display</code> in <a href="http://www.ibm.com/developerworks/library/l-graf/">Graphics from the Command Line</a>. Further discussion is available in <a href="https://www.ibm.com/developerworks/library/l-graf2/">More Graphics from the Command Line</a> and <a href="https://legacy.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]121
Cristy09882bf2019-01-05 16:36:34 -0500[diff] [blame]122<h2><a class="anchor" id="options"></a>Option Summary</h2>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]123
124<p>The <code>display</code> command recognizes these options. Click on an option to get more details about how that option works.</p>
125
Cristy6ed6e582020-09-18 21:47:29 +0000[diff] [blame]126<table class="table table-sm table-hover">
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]127 <tbody>
128 <tr>
129 <th align="left">Option</th>
130 <th align="left">Description</th>
131 </tr>
132
133 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]134 <td><a href="command-line-options.html#alpha">-alpha</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]135 <td>on, activate, off, deactivate, set, opaque, copy",
136transparent, extract, background, or shape the alpha channel</td>
137 </tr>
138
139 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]140 <td><a href="command-line-options.html#antialias">-antialias</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]141 <td>remove pixel-aliasing</td>
142 </tr>
143
144 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]145 <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]146 <td>decrypt image with this password</td>
147 </tr>
148
149 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]150 <td><a href="command-line-options.html#backdrop">-backdrop</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]151 <td>display image centered on a backdrop</td>
152 </tr>
153
154 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]155 <td><a href="command-line-options.html#background">-background <var>color</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]156 <td>background color</td>
157 </tr>
158
159 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]160 <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]161 <td>surround image with a border of color</td>
162 </tr>
163
164 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]165 <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]166 <td>border color</td>
167 </tr>
168
169 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]170 <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]171 <td>apply option to select image channels</td>
172 </tr>
173
174 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]175 <td><a href="command-line-options.html#clip">-clip</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]176 <td>clip along the first path from the 8BIM profile</td>
177 </tr>
178
179 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]180 <td><a href="command-line-options.html#clip-path">-clip-path <var>id</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]181 <td>clip along a named path from the 8BIM profile</td>
182 </tr>
183
184 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]185 <td><a href="command-line-options.html#coalesce">-coalesce</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]186 <td>merge a sequence of images</td>
187 </tr>
188
189 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]190 <td><a href="command-line-options.html#colormap">-colormap <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]191 <td>Shared or Private</td>
192 </tr>
193
194 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]195 <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]196 <td>preferred number of colors in the image</td>
197 </tr>
198
199 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]200 <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]201 <td>set image colorspace</td>
202 </tr>
203
204 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]205 <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]206 <td>annotate image with comment</td>
207 </tr>
208
209 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]210 <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]211 <td>image compression type</td>
212 </tr>
213
214 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]215 <td><a href="command-line-options.html#contrast">-contrast</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]216 <td>enhance or reduce the image contrast</td>
217 </tr>
218
219 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]220 <td><a href="command-line-options.html#crop">-crop <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]221 <td>preferred size and location of the cropped image</td>
222 </tr>
223
224 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]225 <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]226 <td>display copious debugging information</td>
227 </tr>
228
229 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]230 <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]231 <td>convert cipher pixels to plain</td>
232 </tr>
233
234 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]235 <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]236 <td>define one or more image format options</td>
237 </tr>
238
239 <tr>
Cristye236d8f2020-10-12 14:08:40 +0000[diff] [blame]240 <td><a href="command-line-options.html#delay">-delay <var>centiseconds</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]241 <td>display the next image after pausing</td>
242 </tr>
243
244 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]245 <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]246 <td>horizontal and vertical density of the image</td>
247 </tr>
248
249 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]250 <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]251 <td>image depth</td>
252 </tr>
253
254 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]255 <td><a href="command-line-options.html#despeckle">-despeckle</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]256 <td>reduce the speckles within an image</td>
257 </tr>
258
259 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]260 <td><a href="command-line-options.html#display">-display <var>server</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]261 <td>get image or font from this X server</td>
262 </tr>
263
264 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]265 <td><a href="command-line-options.html#dispose">-dispose <var>method</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]266 <td>layer disposal method</td>
267 </tr>
268
269 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]270 <td><a href="command-line-options.html#dither">-dither <var>method</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]271 <td>apply error diffusion to image</td>
272 </tr>
273
274 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]275 <td><a href="command-line-options.html#edge">-edge <var>radius</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]276 <td>apply a filter to detect edges in the image</td>
277 </tr>
278
279 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]280 <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]281 <td>endianness (MSB or LSB) of the image</td>
282 </tr>
283
284 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]285 <td><a href="command-line-options.html#enhance">-enhance</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]286 <td>apply a digital filter to enhance a noisy image</td>
287 </tr>
288
289 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]290 <td><a href="command-line-options.html#equalize">-equalize</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]291 <td>perform histogram equalization to an image</td>
292 </tr>
293
294 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]295 <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]296 <td>extract area from image</td>
297 </tr>
298
299 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]300 <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]301 <td>use this filter when resizing an image</td>
302 </tr>
303
304 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]305 <td><a href="command-line-options.html#flatten">-flatten</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]306 <td>flatten a sequence of images</td>
307 </tr>
308
309 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]310 <td><a href="command-line-options.html#flip">-flip</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]311 <td>flip image in the vertical direction</td>
312 </tr>
313
314 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]315 <td><a href="command-line-options.html#flop">-flop</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]316 <td>flop image in the horizontal direction</td>
317 </tr>
318
319 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]320 <td><a href="command-line-options.html#frame">-frame <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]321 <td>surround image with an ornamental border</td>
322 </tr>
323
324 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]325 <td><a href="command-line-options.html#fuzz">-fuzz <var>distance</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]326 <td>colors within this distance are considered equal</td>
327 </tr>
328
329 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]330 <td><a href="command-line-options.html#gamma">-gamma <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]331 <td>level of gamma correction</td>
332 </tr>
333
334 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]335 <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]336 <td>preferred size or location of the image</td>
337 </tr>
338
339 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]340 <td><a href="command-line-options.html#gravity">-gravity <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]341 <td>horizontal and vertical backdrop placement</td>
342 </tr>
343
344 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]345 <td><a href="command-line-options.html#help">-help</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]346 <td>print program options</td>
347 </tr>
348
349 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]350 <td><a href="command-line-options.html#identify">-identify</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]351 <td>identify the format and characteristics of the image</td>
352 </tr>
353
354 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]355 <td><a href="command-line-options.html#immutable">-immutable <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]356 <td>prohibit image edits</td>
357 </tr>
358
359 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]360 <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]361 <td>type of image interlacing scheme</td>
362 </tr>
363
364 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]365 <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]366 <td>pixel color interpolation method</td>
367 </tr>
368
369 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]370 <td><a href="command-line-options.html#label">-label <var>name</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]371 <td>assign a label to an image</td>
372 </tr>
373
374 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]375 <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]376 <td>pixel cache resource limit</td>
377 </tr>
378
379 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]380 <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]381 <td>format of debugging information</td>
382 </tr>
383
384 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]385 <td><a href="command-line-options.html#map">-map <var>filename</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]386 <td>transform image colors to match this set of colors</td>
387 </tr>
388
389 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]390 <td><a href="command-line-options.html#mattecolor">-mattecolor <var>color</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]391 <td>frame color</td>
392 </tr>
393
394 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]395 <td><a href="command-line-options.html#monitor">-monitor</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]396 <td>monitor progress</td>
397 </tr>
398
399 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]400 <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]401 <td>transform image to black and white</td>
402 </tr>
403
404 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]405 <td><a href="command-line-options.html#negate">-negate</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]406 <td>replace each pixel with its complementary color </td>
407 </tr>
408
409 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]410 <td><a href="command-line-options.html#normalize">-normalize</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]411 <td>transform image to span the full range of colors</td>
412 </tr>
413
414 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]415 <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]416 <td>size and location of an image canvas (setting)</td>
417 </tr>
418
419 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]420 <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]421 <td>add, delete, or apply an image profile</td>
422 </tr>
423
424 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]425 <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]426 <td>reduce image colors in this colorspace</td>
427 </tr>
428
429 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]430 <td><a href="command-line-options.html#quiet">-quiet</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]431 <td>suppress all warning messages</td>
432 </tr>
433
434 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]435 <td><a href="command-line-options.html#raise">-raise <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]436 <td>lighten/darken image edges to create a 3-D effect</td>
437 </tr>
438
439 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]440 <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]441 <td>pay attention to warning messages.</td>
442 </tr>
443
444 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]445 <td><a href="command-line-options.html#remote">-remote <var>command</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]446 <td>execute a command in an remote display process</td>
447 </tr>
448
449 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]450 <td><a href="command-line-options.html#resample">-resample <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]451 <td>change the resolution of an image</td>
452 </tr>
453
454 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]455 <td><a href="command-line-options.html#resize">-resize <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]456 <td>resize the image</td>
457 </tr>
458
459 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]460 <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]461 <td>settings remain in effect until parenthesis boundary.</td>
462 </tr>
463
464 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]465 <td><a href="command-line-options.html#roll">-roll <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]466 <td>roll an image vertically or horizontally</td>
467 </tr>
468
469 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]470 <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]471 <td>apply Paeth rotation to the image</td>
472 </tr>
473
474 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]475 <td><a href="command-line-options.html#sample">-sample <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]476 <td>scale image with pixel sampling</td>
477 </tr>
478
479 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]480 <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]481 <td>horizontal and vertical sampling factor</td>
482 </tr>
483
484 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]485 <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]486 <td>image scene number</td>
487 </tr>
488
489 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]490 <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]491 <td>seed a new sequence of pseudo-random numbers</td>
492 </tr>
493
494 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]495 <td><a href="command-line-options.html#segment">-segment <var>values</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]496 <td>segment an image</td>
497 </tr>
498
499 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]500 <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]501 <td>set an image attribute</td>
502 </tr>
503
504 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]505 <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]506 <td>sharpen the image</td>
507 </tr>
508
509 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]510 <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]511 <td>width and height of image</td>
512 </tr>
513
514 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]515 <td><a href="command-line-options.html#strip">-strip</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]516 <td>strip image of all profiles and comments</td>
517 </tr>
518
519 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]520 <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]521 <td>create a thumbnail of the image</td>
522 </tr>
523
524 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]525 <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]526 <td>transparent color</td>
527 </tr>
528
529 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]530 <td><a href="command-line-options.html#black-threshold">-black-threshold <var>value</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]531 <td>force all pixels below the threshold into black</td>
532 </tr>
533
534 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]535 <td><a href="command-line-options.html#trim">-trim</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]536 <td>trim image edges</td>
537 </tr>
538
539 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]540 <td><a href="command-line-options.html#update">-update <var>seconds</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]541 <td>detect when image file is modified and redisplay</td>
542 </tr>
543
544 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]545 <td><a href="command-line-options.html#verbose">-verbose</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]546 <td>print detailed information about the image</td>
547 </tr>
548
549 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]550 <td><a href="command-line-options.html#version">-version</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]551 <td>print version information</td>
552 </tr>
553
554 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]555 <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]556 <td>access method for pixels outside the boundaries of the image</td>
557 </tr>
558
559 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]560 <td><a href="command-line-options.html#visual">-visual</a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]561 <td>display image using this visual type</td>
562 </tr>
563
564 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]565 <td><a href="command-line-options.html#write">-window <var>id</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]566 <td>display image to background of this window</td>
567 </tr>
568
569 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]570 <td><a href="command-line-options.html#write">-window-group <var>id</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]571 <td>exit program when this window id is destroyed</td>
572 </tr>
573
574 <tr>
Cristy57252c12019-10-30 10:26:13 -0400[diff] [blame]575 <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
Cristy4666f5a2017-12-15 20:35:01 -0500[diff] [blame]576 <td>write images to this file</td>
577 </tr>
578 </tbody>
579</table>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]580
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