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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>
cristy29f2c972015-07-28 13:37:46 +0000[diff] [blame]8 <title>ImageMagick: Command-line Tools: Convert</title>
Cristy912a9222016-06-17 15:37:28 -0400[diff] [blame]9 <meta charset="utf-8" />
10 <meta http-equiv="X-UA-Compatible" content="IE=edge" />
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Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]12 <meta http-equiv="content-type" content="text/html; charset=utf-8"/>
13 <meta name="application-name" content="ImageMagick"/>
14 <meta name="description" content="ImageMagick® is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves."/>
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Cristy912a9222016-06-17 15:37:28 -0400[diff] [blame]24 <meta name="copyright" content="Copyright (c) 1999-2016 ImageMagick Studio LLC"/>
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Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]28 <link rel="icon" href="../images/wand.png"/>
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Cristy912a9222016-06-17 15:37:28 -0400[diff] [blame]30 <link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Roboto:900,400,400italic,700,700italic,300,300italic|Open+Sans:300italic,400italic,700italic,300,400,600,700">
Cristyce4a3552015-12-14 13:53:35 -0500[diff] [blame]31 <link rel="stylesheet" href="css/magick.css"/>
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]32</head>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]33<body>
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]34<div class="main">
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]35<div class="magick-masthead">
36 <div class="container">
Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]37 <script async="async" src="http://localhost/pagead/js/adsbygoogle.js"></script> <ins class="adsbygoogle"
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cristy29f2c972015-07-28 13:37:46 +0000[diff] [blame]42 <script>
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cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]44 </script>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]45 <nav class="magick-nav">
cristy44443b92015-05-05 00:06:07 +0000[diff] [blame]46 <a class="magick-nav-item " href="../index.html">Home</a>
cristyea2793e2015-05-31 16:52:26 +0000[diff] [blame]47 <a class="magick-nav-item " href="binary-releases.html">Download</a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]48 <a class="magick-nav-item " href="command-line-tools.html">Tools</a>
Cristye93be682015-11-26 09:07:51 -0500[diff] [blame]49 <a class="magick-nav-item " href="command-line-processing.html">Command-line</a>
cristyea2793e2015-05-31 16:52:26 +0000[diff] [blame]50 <a class="magick-nav-item " href="resources.html">Resources</a>
51 <a class="magick-nav-item " href="api.html">Develop</a>
Cristy1f1f3a02016-06-01 07:25:42 -0400[diff] [blame]52 <a class="magick-nav-item " href="http://www.imagemagick.org/script/search.php">Search</a>
Cristye09ed312016-03-06 08:07:39 -0500[diff] [blame]53 <a class="magick-nav-item pull-right" href="https://www.imagemagick.org/discourse-server/">Community</a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]54 </nav>
55 </div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]56</div>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]57<div class="container">
58<div class="magick-header">
Cristyce4a3552015-12-14 13:53:35 -0500[diff] [blame]59<p class="lead magick-description">Use the <code>convert</code> program to convert between image formats as well as resize an image, blur, crop, despeckle, dither, draw on, flip, join, re-sample, and much more. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>convert</code> command or see below for example usages of the command.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]60
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]61<p>We list a few examples of the <code>convert</code> command here to illustrate its usefulness and ease of use. To get started, lets convert an image in the JPEG format to PNG:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]62
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]63<pre>
64convert rose.jpg rose.png
65</pre>
66
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]67<p>Next, we reduce the image size before it is written to the PNG format:</p>
68
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]69<pre>
70convert rose.jpg -resize 50% rose.png
71</pre>
72
73<ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]74 <a href="../images/rose.jpg">
Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]75 <img src="../images/rose.jpg" width="70" height="46" alt="rose" />
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]76 </a>
Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]77 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==>" />
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]78 <a href="../images/rose.png">
Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]79 <img style="margin-top:11px; margin-bottom:12px;" src="../images/rose.png" width="35" height="23" alt="rose" />
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]80 </a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]81</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]82
83<p>You can combine multiple image-processing operations to produce complex results:</p>
84
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]85<pre>
86convert -size 320x85 canvas:none -font Bookman-DemiItalic -pointsize 72 \
87 -draw "text 25,60 \'Magick\'" -channel RGBA -blur 0x6 -fill darkred -stroke magenta \
88 -draw "text 20,55 \'Magick\'" fuzzy-magick.png
89</pre>
90
91<ul>
Cristy594d2772015-11-15 10:47:42 -0500[diff] [blame]92 <a href="../images/fuzzy-magick.png"><img src="../images/fuzzy-magick.png" width="320" height="85" alt="fuzzy-magick" /></a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]93</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]94
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]95<p>or here we resize an image with improved quality:</p>
96
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]97<pre>
98convert input.png -colorspace RGB +sigmoidal-contrast 11.6933 \
99 -define filter:filter=Sinc -define filter:window=Jinc -define filter:lobes=3 \
100 -resize 400% -sigmoidal-contrast 11.6933 -colorspace sRGB output.png');
101</pre>
102
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]103<p>You can find additional examples of using <code>convert</code> in <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]104
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]105<h2 class="magick-header"><a id="options"></a>Option Summary</h2>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]106
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]107<p>The <code>convert</code> command recognizes these options. Click on an option to get more details about how that option works.</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]108
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]109<div class="table-responsive">
110<table class="table table-condensed table-striped">
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]111 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]112 <td><a href="command-line-options.html#adaptive-blur">-adaptive-blur <var>geometry</var></a></td>
113 <td>adaptively blur pixels; decrease effect near edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]114 </tr>
115
116 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]117 <td><a href="command-line-options.html#adaptive-resize">-adaptive-resize <var>geometry</var></a></td>
118 <td>adaptively resize image with data dependent triangulation.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]119 </tr>
120
121 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]122 <td><a href="command-line-options.html#adaptive-sharpen">-adaptive-sharpen <var>geometry</var></a></td>
123 <td>adaptively sharpen pixels; increase effect near edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]124 </tr>
125
126 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]127 <td><a href="command-line-options.html#adjoin">-adjoin</a></td>
128 <td>join images into a single multi-image file</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]129 </tr>
130
131 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]132 <td><a href="command-line-options.html#affine">-affine <var>matrix</var></a></td>
133 <td>affine transform matrix</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]134 </tr>
135
136 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]137 <td><a href="command-line-options.html#alpha">-alpha</a></td>
138 <td>on, activate, off, deactivate, set, opaque, copy",
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]139transparent, extract, background, or shape the alpha channel</td>
140 </tr>
141
142 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]143 <td><a href="command-line-options.html#annotate">-annotate <var>geometry text</var></a></td>
144 <td>annotate the image with text</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]145 </tr>
146
147 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]148 <td><a href="command-line-options.html#antialias">-antialias</a></td>
149 <td>remove pixel-aliasing</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]150 </tr>
151
152 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]153 <td><a href="command-line-options.html#append">-append</a></td>
154 <td>append an image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]155 </tr>
156
157 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]158 <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
159 <td>decipher image with this password</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]160 </tr>
161
162 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]163 <td><a href="command-line-options.html#auto-gamma">-auto-gamma</a></td>
164 <td>automagically adjust gamma level of image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]165 </tr>
166
167 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]168 <td><a href="command-line-options.html#auto-level">-auto-level</a></td>
169 <td>automagically adjust color levels of image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]170 </tr>
171
172 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]173 <td><a href="command-line-options.html#auto-orient">-auto-orient</a></td>
174 <td>automagically orient image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]175 </tr>
176
177 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]178 <td><a href="command-line-options.html#background">-background <var>color</var></a></td>
179 <td>background color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]180 </tr>
181
182 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]183 <td><a href="command-line-options.html#bench">-bench <var>iterations</var></a></td>
184 <td>measure performance</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]185 </tr>
186
187 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]188 <td><a href="command-line-options.html#bias">-bias <var>value</var></a></td>
189 <td>add bias when convolving an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]190 </tr>
191
192 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]193 <td><a href="command-line-options.html#black-threshold">-black-threshold <var>value</var></a></td>
194 <td>force all pixels below the threshold into black</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]195 </tr>
196
197 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]198 <td><a href="command-line-options.html#blue-primary">-blue-primary <var>point</var></a></td>
199 <td>chromaticity blue primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]200 </tr>
201
202 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]203 <td><a href="command-line-options.html#blue-shift">-blue-shift <var>factor</var></a></td>
204 <td>simulate a scene at nighttime in the moonlight</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]205 </tr>
206
207 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]208 <td><a href="command-line-options.html#blur">-blur <var>geometry</var></a></td>
209 <td>reduce image noise and reduce detail levels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]210 </tr>
211
212 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]213 <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
214 <td>surround image with a border of color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]215 </tr>
216
217 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]218 <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
219 <td>border color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]220 </tr>
221
222 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]223 <td><a href="command-line-options.html#brightness-contrast">-brightness-contrast <var>geometry</var></a></td>
224 <td>improve brightness / contrast of the image</td>
cristy16ff93c2010-01-13 23:18:07 +0000[diff] [blame]225 </tr>
226
227 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]228 <td><a href="command-line-options.html#canny">-canny <var>geometry</var></a></td>
229 <td>use a multi-stage algorithm to detect a wide range of edges in the image</td>
cristy91469932014-07-25 11:00:25 +0000[diff] [blame]230 </tr>
231
232 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]233 <td><a href="command-line-options.html#caption">-caption <var>string</var></a></td>
234 <td>assign a caption to an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]235 </tr>
236
237 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]238 <td><a href="command-line-options.html#cdl">-cdl <var>filename</var></a></td>
239 <td>color correct with a color decision list</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]240 </tr>
241
242 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]243 <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
244 <td>apply option to select image channels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]245 </tr>
246
247 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]248 <td><a href="command-line-options.html#charcoal">-charcoal <var>radius</var></a></td>
249 <td>simulate a charcoal drawing</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]250 </tr>
251
252 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]253 <td><a href="command-line-options.html#chop">-chop <var>geometry</var></a></td>
254 <td>remove pixels from the image interior</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]255 </tr>
256
257 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]258 <td><a href="command-line-options.html#clamp">-clamp</a></td>
259 <td>set each pixel whose value is below zero to zero and any the pixel whose value is above the quantum range to the quantum range (e.g. 65535) otherwise the pixel value remains unchanged.</td>
cristyb4c03bb2009-09-27 13:55:46 +0000[diff] [blame]260 </tr>
261
262 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]263 <td><a href="command-line-options.html#clip">-clip</a></td>
264 <td>clip along the first path from the 8BIM profile</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]265 </tr>
266
267 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]268 <td><a href="command-line-options.html#clip-mask">-clip-mask</a> <var>filename</var></td>
269 <td>associate clip mask with the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]270 </tr>
271
272 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]273 <td><a href="command-line-options.html#clip-path">-clip-path <var>id</var></a></td>
274 <td>clip along a named path from the 8BIM profile</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]275 </tr>
276
277 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]278 <td><a href="command-line-options.html#clone">-clone <var>index</var></a></td>
279 <td>clone an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]280 </tr>
281
282 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]283 <td><a href="command-line-options.html#clut">-clut</a></td>
284 <td>apply a color lookup table to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]285 </tr>
286
287 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]288 <td><a href="command-line-options.html#connected-components">-connected-components <var>connectivity</var></a></td>
289 <td>connected-components uniquely labeled, choose from 4 or 8 way connectivity</td>
cristy97f96862014-11-03 12:28:08 +0000[diff] [blame]290 </tr>
291
292 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]293 <td><a href="command-line-options.html#contrast-stretch">-contrast-stretch <var>geometry</var></a></td>
294 <td>improve the contrast in an image by `stretching' the range of intensity value</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]295 </tr>
296
297 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]298 <td><a href="command-line-options.html#coalesce">-coalesce</a></td>
299 <td>merge a sequence of images</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]300 </tr>
301
302 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]303 <td><a href="command-line-options.html#colorize">-colorize <var>value</var></a></td>
304 <td>colorize the image with the fill color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]305 </tr>
306
307 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]308 <td><a href="command-line-options.html#color-matrix">-color-matrix <var>matrix</var></a></td>
309 <td>apply color correction to the image.</td>
cristy2c839602010-04-03 02:32:08 +0000[diff] [blame]310 </tr>
311
312 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]313 <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
314 <td>preferred number of colors in the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]315 </tr>
316
317 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]318 <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
319 <td>set image colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]320 </tr>
321
322 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]323 <td><a href="command-line-options.html#combine">-combine</a></td>
324 <td>combine a sequence of images</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]325 </tr>
326
327 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]328 <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
329 <td>annotate image with comment</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]330 </tr>
331
332 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]333 <td><a href="command-line-options.html#compare">-compare</a></td>
334 <td>compare image</td>
cristyf1b8a092014-02-20 15:46:11 +0000[diff] [blame]335 </tr>
336
337 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]338 <td><a href="command-line-options.html#complex">-complex<var>operator</var></a></td>
339 <td>perform complex mathematics on an image sequence</td>
cristyf1b8a092014-02-20 15:46:11 +0000[diff] [blame]340 </tr>
341
342 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]343 <td><a href="command-line-options.html#compose">-compose <var>operator</var></a></td>
344 <td>set image composite operator</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]345 </tr>
346
347 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]348 <td><a href="command-line-options.html#composite">-composite</a></td>
349 <td>composite image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]350 </tr>
351
352 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]353 <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
354 <td>image compression type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]355 </tr>
356
357 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]358 <td><a href="command-line-options.html#contrast">-contrast</a></td>
359 <td>enhance or reduce the image contrast</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]360 </tr>
361
362 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]363 <td><a href="command-line-options.html#convolve">-convolve <var>coefficients</var></a></td>
364 <td>apply a convolution kernel to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]365 </tr>
366
367 <tr>
cristy29f2c972015-07-28 13:37:46 +0000[diff] [blame]368 <td><a href="command-line-options.html#copy">-copy <var>geometry</var> <var>offset</var></a></td>
369 <td>copy pixels from one area of an image to another</td>
370 </tr>
371
372 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]373 <td><a href="command-line-options.html#crop">-crop <var>geometry</var></a></td>
374 <td>crop the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]375 </tr>
376
377 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]378 <td><a href="command-line-options.html#cycle">-cycle <var>amount</var></a></td>
379 <td>cycle the image colormap</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]380 </tr>
381
382 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]383 <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
384 <td>convert cipher pixels to plain</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]385 </tr>
386
387 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]388 <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
389 <td>display copious debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]390 </tr>
391
392 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]393 <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
394 <td>define one or more image format options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]395 </tr>
396
397 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]398 <td><a href="command-line-options.html#deconstruct">-deconstruct</a></td>
399 <td>break down an image sequence into constituent parts</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]400 </tr>
401
402 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]403 <td><a href="command-line-options.html#delay">-delay <var>value</var></a></td>
404 <td>display the next image after pausing</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]405 </tr>
406
407 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]408 <td><a href="command-line-options.html#delete">-delete <var>index</var></a></td>
409 <td>delete the image from the image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]410 </tr>
411
412 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]413 <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
414 <td>horizontal and vertical density of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]415 </tr>
416
417 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]418 <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
419 <td>image depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]420 </tr>
421
422 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]423 <td><a href="command-line-options.html#despeckle">-despeckle</a></td>
424 <td>reduce the speckles within an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]425 </tr>
426
427 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]428 <td><a href="command-line-options.html#direction">-direction <var>type</var></a></td>
429 <td>render text right-to-left or left-to-right</td>
cristy2c839602010-04-03 02:32:08 +0000[diff] [blame]430 </tr>
431
432 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]433 <td><a href="command-line-options.html#display">-display <var>server</var></a></td>
434 <td>get image or font from this X server</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]435 </tr>
436
437 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]438 <td><a href="command-line-options.html#dispose">-dispose <var>method</var></a></td>
439 <td>layer disposal method</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]440 </tr>
441
442 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]443 <td><a href="command-line-options.html#distribute-cache">-distribute-cache <var>port</var></a></td>
444 <td>launch a distributed pixel cache server</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]445 </tr>
446
447 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]448 <td><a href="command-line-options.html#distort">-distort <var>type coefficients</var></a></td>
449 <td>distort image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]450 </tr>
451
452 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]453 <td><a href="command-line-options.html#dither">-dither <var>method</var></a></td>
454 <td>apply error diffusion to image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]455 </tr>
456
457 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]458 <td><a href="command-line-options.html#draw">-draw <var>string</var></a></td>
459 <td>annotate the image with a graphic primitive</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]460 </tr>
461
462 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]463 <td><a href="command-line-options.html#duplicate">-duplicate <var>count,indexes</var></a></td>
464 <td>duplicate an image one or more times</td>
cristy8b9dd952011-03-21 22:56:18 +0000[diff] [blame]465 </tr>
466
467 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]468 <td><a href="command-line-options.html#edge">-edge <var>radius</var></a></td>
469 <td>apply a filter to detect edges in the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]470 </tr>
471
472 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]473 <td><a href="command-line-options.html#emboss">-emboss <var>radius</var></a></td>
474 <td>emboss an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]475 </tr>
476
477 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]478 <td><a href="command-line-options.html#encipher">-encipher <var>filename</var></a></td>
479 <td>convert plain pixels to cipher pixels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]480 </tr>
481
482 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]483 <td><a href="command-line-options.html#encoding">-encoding <var>type</var></a></td>
484 <td>text encoding type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]485 </tr>
486
487 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]488 <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
489 <td>endianness (MSB or LSB) of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]490 </tr>
491
492 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]493 <td><a href="command-line-options.html#enhance">-enhance</a></td>
494 <td>apply a digital filter to enhance a noisy image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]495 </tr>
496
497 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]498 <td><a href="command-line-options.html#equalize">-equalize</a></td>
499 <td>perform histogram equalization to an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]500 </tr>
501
502 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]503 <td><a href="command-line-options.html#evaluate">-evaluate <var>operator value</var></a></td>
504 <td>evaluate an arithmetic, relational, or logical expression</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]505 </tr>
506
507 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]508 <td><a href="command-line-options.html#evaluate-sequence">-evaluate-sequence <var>operator</var></a></td>
509 <td>evaluate an arithmetic, relational, or logical expression for an image sequence</td>
cristy63fed272010-03-07 19:08:45 +0000[diff] [blame]510 </tr>
511
512 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]513 <td><a href="command-line-options.html#extent">-extent <var>geometry</var></a></td>
514 <td>set the image size</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]515 </tr>
516
517 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]518 <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
519 <td>extract area from image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]520 </tr>
521
522 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]523 <td><a href="command-line-options.html#family">-family <var>name</var></a></td>
524 <td>render text with this font family</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]525 </tr>
526
527 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]528 <td><a href="command-line-options.html#features">-features <var>distance</var></a></td>
529 <td>analyze image features (e.g. contract, correlations, etc.).</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]530 </tr>
531
532 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]533 <td><a href="command-line-options.html#fft">-fft</a></td>
Cristy542697a2015-10-12 20:10:32 -0400[diff] [blame]534 <td>implements the discrete Fourier transform (DFT)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]535 </tr>
536
537 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]538 <td><a href="command-line-options.html#fill">-fill <var>color</var></a></td>
539 <td>color to use when filling a graphic primitive</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]540 </tr>
541
542 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]543 <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
544 <td>use this filter when resizing an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]545 </tr>
546
547 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]548 <td><a href="command-line-options.html#flatten">-flatten</a></td>
549 <td>flatten a sequence of images</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]550 </tr>
551
552 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]553 <td><a href="command-line-options.html#flip">-flip</a></td>
554 <td>flip image in the vertical direction</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]555 </tr>
556
557 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]558 <td><a href="command-line-options.html#floodfill">-floodfill <var>geometry color</var></a></td>
559 <td>floodfill the image with color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]560 </tr>
561
562 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]563 <td><a href="command-line-options.html#flop">-flop</a></td>
564 <td>flop image in the horizontal direction</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]565 </tr>
566
567 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]568 <td><a href="command-line-options.html#font">-font <var>name</var></a></td>
569 <td>render text with this font</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]570 </tr>
571
572 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]573 <td><a href="command-line-options.html#format_identify_">-format <var>string</var></a></td>
574 <td>output formatted image characteristics</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]575 </tr>
576
577 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]578 <td><a href="command-line-options.html#frame">-frame <var>geometry</var></a></td>
579 <td>surround image with an ornamental border</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]580 </tr>
581
582 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]583 <td><a href="command-line-options.html#function">-function <var>name</var></a></td>
584 <td>apply a function to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]585 </tr>
586
587 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]588 <td><a href="command-line-options.html#fuzz">-fuzz <var>distance</var></a></td>
589 <td>colors within this distance are considered equal</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]590 </tr>
591
592 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]593 <td><a href="command-line-options.html#fx">-fx <var>expression</var></a></td>
594 <td>apply mathematical expression to an image channel(s)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]595 </tr>
596
597 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]598 <td><a href="command-line-options.html#gamma">-gamma <var>value</var></a></td>
599 <td>level of gamma correction</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]600 </tr>
601
602 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]603 <td><a href="command-line-options.html#gaussian-blur">-gaussian-blur <var>geometry</var></a></td>
604 <td>reduce image noise and reduce detail levels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]605 </tr>
606
607 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]608 <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
609 <td>preferred size or location of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]610 </tr>
611
612 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]613 <td><a href="command-line-options.html#gravity">-gravity <var>type</var></a></td>
614 <td>horizontal and vertical text placement</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]615 </tr>
616
617 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]618 <td><a href="command-line-options.html#intensity">-grayscale <var>method</var></a></td>
619 <td>convert image to grayscale</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]620 </tr>
621
622 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]623 <td><a href="command-line-options.html#green-primary">-green-primary <var>point</var></a></td>
624 <td>chromaticity green primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]625 </tr>
626
627 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]628 <td><a href="command-line-options.html#help">-help</a></td>
629 <td>print program options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]630 </tr>
631
632 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]633 <td><a href="command-line-options.html#hough-lines">-hough-lines <var>geometry</var></a></td>
634 <td>identify lines in the image</td>
cristy91469932014-07-25 11:00:25 +0000[diff] [blame]635 </tr>
636
637 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]638 <td><a href="command-line-options.html#identify">-identify</a></td>
639 <td>identify the format and characteristics of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]640 </tr>
641
642 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]643 <td><a href="command-line-options.html#ift">-ift</a></td>
644 <td>implements the inverse discrete Fourier transform (DFT)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]645 </tr>
646
647 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]648 <td><a href="command-line-options.html#implode">-implode <var>amount</var></a></td>
649 <td>implode image pixels about the center</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]650 </tr>
651
652 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]653 <td><a href="command-line-options.html#insert">-insert <var>index</var></a></td>
654 <td>insert last image into the image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]655 </tr>
656
657 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]658 <td><a href="command-line-options.html#intensity">-intensity <var>method</var></a></td>
659 <td>method to generate an intensity value from a pixel</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]660 </tr>
661
662 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]663 <td><a href="command-line-options.html#intent">-intent <var>type</var></a></td>
664 <td>type of rendering intent when managing the image color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]665 </tr>
666
667 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]668 <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
669 <td>type of image interlacing scheme</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]670 </tr>
671
672 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]673 <td><a href="command-line-options.html#interline-spacing">-interline-spacing <var>value</var></a></td>
674 <td>the space between two text lines</td>
cristyf3bb4782009-09-08 13:10:04 +0000[diff] [blame]675 </tr>
676
677 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]678 <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
679 <td>pixel color interpolation method</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]680 </tr>
681
682 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]683 <td><a href="command-line-options.html#interword-spacing">-interword-spacing <var>value</var></a></td>
684 <td>the space between two words</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]685 </tr>
686
687 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]688 <td><a href="command-line-options.html#kerning">-kerning <var>value</var></a></td>
689 <td>the space between two characters</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]690 </tr>
691
692 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]693 <td><a href="command-line-options.html#kuwahara">-kuwahara <var>geometry</var></a></td>
694 <td>edge preserving noise reduction filter</td>
cristy97f96862014-11-03 12:28:08 +0000[diff] [blame]695 </tr>
696
697 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]698 <td><a href="command-line-options.html#label">-label <var>string</var></a></td>
699 <td>assign a label to an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]700 </tr>
701
702 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]703 <td><a href="command-line-options.html#lat">-lat <var>geometry</var></a></td>
704 <td>local adaptive thresholding</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]705 </tr>
706
707 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]708 <td><a href="command-line-options.html#layers">-layers <var>method</var></a></td>
709 <td>optimize or compare image layers</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]710 </tr>
711
712 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]713 <td><a href="command-line-options.html#level">-level <var>value</var></a></td>
714 <td>adjust the level of image contrast</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]715 </tr>
716
717 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]718 <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
719 <td>pixel cache resource limit</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]720 </tr>
721
722 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]723 <td><a href="command-line-options.html#linear-stretch">-linear-stretch <var>geometry</var></a></td>
724 <td>linear with saturation histogram stretch</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]725 </tr>
726
727 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]728 <td><a href="command-line-options.html#liquid-rescale">-liquid-rescale <var>geometry</var></a></td>
729 <td>rescale image with seam-carving</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]730 </tr>
731
732 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]733 <td><a href="command-line-options.html#list">-list <var>type</var></a></td>
734 <td>Color, Configure, Delegate, Format, Magic, Module, Resource, or Type</td>
cristyf1b8a092014-02-20 15:46:11 +0000[diff] [blame]735 </tr>
736
737 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]738 <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
739 <td>format of debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]740 </tr>
741
742 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]743 <td><a href="command-line-options.html#loop">-loop <var>iterations</var></a></td>
744 <td>add Netscape loop extension to your GIF animation</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]745 </tr>
746
747 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]748 <td><a href="command-line-options.html#mattecolor">-mattecolor <var>color</var></a></td>
749 <td>frame color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]750 </tr>
751
752 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]753 <td><a href="command-line-options.html#median">-median <var>radius</var></a></td>
754 <td>apply a median filter to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]755 </tr>
756
757 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]758 <td><a href="command-line-options.html#mean-shift">-mean-shift <var>geometry</var></a></td>
759 <td>delineate arbitrarily shaped clusters in the image</td>
cristy91469932014-07-25 11:00:25 +0000[diff] [blame]760 </tr>
761
762 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]763 <td><a href="command-line-options.html#metric">-metric <var>type</var></a></td>
764 <td>measure differences between images with this metric</td>
cristyf1b8a092014-02-20 15:46:11 +0000[diff] [blame]765 </tr>
766
767 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]768 <td><a href="command-line-options.html#mode">-mode <var>radius</var></a></td>
769 <td>make each pixel the 'predominant color' of the neighborhood</td>
cristybe3c5be2011-03-05 17:35:07 +0000[diff] [blame]770 </tr>
771
772 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]773 <td><a href="command-line-options.html#modulate">-modulate <var>value</var></a></td>
774 <td>vary the brightness, saturation, and hue</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]775 </tr>
776
777 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]778 <td><a href="command-line-options.html#moments">-moments</a></td>
779 <td>display image moments.</td>
cristyf1b8a092014-02-20 15:46:11 +0000[diff] [blame]780 </tr>
781
782 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]783 <td><a href="command-line-options.html#monitor">-monitor</a></td>
784 <td>monitor progress</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]785 </tr>
786
787 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]788 <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
789 <td>transform image to black and white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]790 </tr>
791
792 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]793 <td><a href="command-line-options.html#morph">-morph <var>value</var></a></td>
794 <td>morph an image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]795 </tr>
796
797 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]798 <td><a href="command-line-options.html#morphology">-morphology <var>method</var></a> <var>kernel</var></td>
799 <td>apply a morphology method to the image</td>
cristy488844c2010-01-22 14:02:05 +0000[diff] [blame]800 </tr>
801
802 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]803 <td><a href="command-line-options.html#motion-blur">-motion-blur <var>geometry</var></a></td>
804 <td>simulate motion blur</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]805 </tr>
806
807 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]808 <td><a href="command-line-options.html#negate">-negate</a></td>
809 <td>replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]810 </tr>
811
812 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]813 <td><a href="command-line-options.html#noise">-noise <var>radius</var></a></td>
814 <td>add or reduce noise in an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]815 </tr>
816
817 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]818 <td><a href="command-line-options.html#normalize">-normalize</a></td>
819 <td>transform image to span the full range of colors</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]820 </tr>
821
822 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]823 <td><a href="command-line-options.html#opaque">-opaque <var>color</var></a></td>
824 <td>change this color to the fill color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]825 </tr>
826
827 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]828 <td><a href="command-line-options.html#ordered-dither">-ordered-dither <var>NxN</var></a></td>
829 <td>ordered dither the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]830 </tr>
831
832 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]833 <td><a href="command-line-options.html#orient">-orient <var>type</var></a></td>
834 <td>image orientation</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]835 </tr>
836
837 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]838 <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
839 <td>size and location of an image canvas (setting)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]840 </tr>
841
842 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]843 <td><a href="command-line-options.html#paint">-paint <var>radius</var></a></td>
844 <td>simulate an oil painting</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]845 </tr>
846
847 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]848 <td><a href="command-line-options.html#perceptible">-perceptible</a></td>
849 <td>set each pixel whose value is less than |<var>epsilon</var>| to <var>-epsilon</var> or <var>epsilon</var> (whichever is closer) otherwise the pixel value remains unchanged.</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]850 </tr>
851
852 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]853 <td><a href="command-line-options.html#ping">-ping</a></td>
854 <td>efficiently determine image attributes</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]855 </tr>
856
857 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]858 <td><a href="command-line-options.html#pointsize">-pointsize <var>value</var></a></td>
859 <td>font point size</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]860 </tr>
861
862 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]863 <td><a href="command-line-options.html#polaroid">-polaroid <var>angle</var></a></td>
864 <td>simulate a Polaroid picture</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]865 </tr>
866
867 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]868 <td><a href="command-line-options.html#poly">-poly <var>terms</var></a></td>
869 <td>build a polynomial from the image sequence and the corresponding terms (coefficients and degree pairs).</td>
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]870 </tr>
871
872 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]873 <td><a href="command-line-options.html#posterize">-posterize <var>levels</var></a></td>
874 <td>reduce the image to a limited number of color levels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]875 </tr>
876
877 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]878 <td><a href="command-line-options.html#precision">-precision <var>value</var></a></td>
879 <td>set the maximum number of significant digits to be printed</td>
cristyd43a46b2010-01-21 02:13:41 +0000[diff] [blame]880 </tr>
881
882 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]883 <td><a href="command-line-options.html#preview">-preview <var>type</var></a></td>
884 <td>image preview type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]885 </tr>
886
887 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]888 <td><a href="command-line-options.html#print">-print <var>string</var></a></td>
889 <td>interpret string and print to console</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]890 </tr>
891
892 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]893 <td><a href="command-line-options.html#process">-process <var>image-filter</var></a></td>
894 <td>process the image with a custom image filter</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]895 </tr>
896
897 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]898 <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
899 <td>add, delete, or apply an image profile</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]900 </tr>
901
902 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]903 <td><a href="command-line-options.html#quality">-quality <var>value</var></a></td>
904 <td>JPEG/MIFF/PNG compression level</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]905 </tr>
906
907 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]908 <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
909 <td>reduce image colors in this colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]910 </tr>
911
912 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]913 <td><a href="command-line-options.html#quiet">-quiet</a></td>
914 <td>suppress all warning messages</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]915 </tr>
916
917 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]918 <td><a href="command-line-options.html#radial-blur">-radial-blur <var>angle</var></a></td>
919 <td>radial blur the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]920 </tr>
921
922 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]923 <td><a href="command-line-options.html#raise">-raise <var>value</var></a></td>
924 <td>lighten/darken image edges to create a 3-D effect</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]925 </tr>
926
927 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]928 <td><a href="command-line-options.html#random-threshold">-random-threshold <var>low,high</var></a></td>
929 <td>random threshold the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]930 </tr>
931
932 <tr>
Cristye0779712016-07-30 17:25:22 -0400[diff] [blame^]933 <td><a href="command-line-options.html#read-mask">-read-mask <var>filename</var></a></td>
934 <td>associate a read mask with the image</td>
935 </tr>
936
937 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]938 <td><a href="command-line-options.html#red-primary">-red-primary <var>point</var></a></td>
939 <td>chromaticity red primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]940 </tr>
941
942 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]943 <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
944 <td>pay attention to warning messages.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]945 </tr>
946
947 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]948 <td><a href="command-line-options.html#region">-region <var>geometry</var></a></td>
949 <td>apply options to a portion of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]950 </tr>
951
952 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]953 <td><a href="command-line-options.html#remap">-remap <var>filename</var></a></td>
954 <td>transform image colors to match this set of colors</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]955 </tr>
956
957 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]958 <td><a href="command-line-options.html#render">-render</a></td>
959 <td>render vector graphics</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]960 </tr>
961
962 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]963 <td><a href="command-line-options.html#repage">-repage <var>geometry</var></a></td>
964 <td>size and location of an image canvas</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]965 </tr>
966
967 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]968 <td><a href="command-line-options.html#resample">-resample <var>geometry</var></a></td>
969 <td>change the resolution of an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]970 </tr>
971
972 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]973 <td><a href="command-line-options.html#resize">-resize <var>geometry</var></a></td>
974 <td>resize the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]975 </tr>
976
977 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]978 <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
979 <td>settings remain in effect until parenthesis boundary.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]980 </tr>
981
982 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]983 <td><a href="command-line-options.html#roll">-roll <var>geometry</var></a></td>
984 <td>roll an image vertically or horizontally</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]985 </tr>
986
987 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]988 <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
989 <td>apply Paeth rotation to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]990 </tr>
991
992 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]993 <td><a href="command-line-options.html#sample">-sample <var>geometry</var></a></td>
994 <td>scale image with pixel sampling</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]995 </tr>
996
997 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]998 <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
999 <td>horizontal and vertical sampling factor</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1000 </tr>
1001
1002 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1003 <td><a href="command-line-options.html#scale">-scale <var>geometry</var></a></td>
1004 <td>scale the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1005 </tr>
1006
1007 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1008 <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
1009 <td>image scene number</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1010 </tr>
1011
1012 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1013 <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
1014 <td>seed a new sequence of pseudo-random numbers</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1015 </tr>
1016
1017 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1018 <td><a href="command-line-options.html#segment">-segment <var>values</var></a></td>
1019 <td>segment an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1020 </tr>
1021
1022 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1023 <td><a href="command-line-options.html#threshold">-selective-blur <var>geometry</var></a></td>
1024 <td>selectively blur pixels within a contrast threshold</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1025 </tr>
1026
1027 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1028 <td><a href="command-line-options.html#separate">-separate</a></td>
1029 <td>separate an image channel into a grayscale image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1030 </tr>
1031
1032 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1033 <td><a href="command-line-options.html#sepia-tone">-sepia-tone <var>threshold</var></a></td>
1034 <td>simulate a sepia-toned photo</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1035 </tr>
1036
1037 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1038 <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
1039 <td>set an image attribute</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1040 </tr>
1041
1042 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1043 <td><a href="command-line-options.html#shade">-shade <var>degrees</var></a></td>
1044 <td>shade the image using a distant light source</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1045 </tr>
1046
1047 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1048 <td><a href="command-line-options.html#shadow">-shadow <var>geometry</var></a></td>
1049 <td>simulate an image shadow</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1050 </tr>
1051
1052 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1053 <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
1054 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1055 </tr>
1056
1057 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1058 <td><a href="command-line-options.html#shave">-shave <var>geometry</var></a></td>
1059 <td>shave pixels from the image edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1060 </tr>
1061
1062 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1063 <td><a href="command-line-options.html#shear">-shear <var>geometry</var></a></td>
1064 <td>slide one edge of the image along the X or Y axis</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1065 </tr>
1066
1067 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1068 <td><a href="command-line-options.html#sigmoidal">-sigmoidal-contrast <var>geometry</var></a></td>
1069 <td>increase the contrast without saturating highlights or shadows</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1070 </tr>
1071
1072 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1073 <td><a href="command-line-options.html#smush">-smush <var>offset</var></a></td>
1074 <td>smush an image sequence together</td>
cristy2d67ddd2011-02-13 15:38:23 +0000[diff] [blame]1075 </tr>
1076
1077 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1078 <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
1079 <td>width and height of image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1080 </tr>
1081
1082 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1083 <td><a href="command-line-options.html#sketch">-sketch <var>geometry</var></a></td>
1084 <td>simulate a pencil sketch</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1085 </tr>
1086
1087 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1088 <td><a href="command-line-options.html#solarize">-solarize <var>threshold</var></a></td>
1089 <td>negate all pixels above the threshold level</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1090 </tr>
1091
1092 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1093 <td><a href="command-line-options.html#splice">-splice <var>geometry</var></a></td>
1094 <td>splice the background color into the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1095 </tr>
1096
1097 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1098 <td><a href="command-line-options.html#spread">-spread <var>radius</var></a></td>
1099 <td>displace image pixels by a random amount</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1100 </tr>
1101
1102 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1103 <td><a href="command-line-options.html#statistic">-statistic <var>type</var> <var>geometry</var></a></td>
1104 <td>replace each pixel with corresponding statistic from the neighborhood</td>
cristyb52981c2011-03-19 17:09:31 +0000[diff] [blame]1105 </tr>
1106
1107 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1108 <td><a href="command-line-options.html#strip">-strip</a></td>
1109 <td>strip image of all profiles and comments</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1110 </tr>
1111
1112 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1113 <td><a href="command-line-options.html#stroke">-stroke <var>color</var></a></td>
1114 <td>graphic primitive stroke color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1115 </tr>
1116
1117 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1118 <td><a href="command-line-options.html#strokewidth">-strokewidth <var>value</var></a></td>
1119 <td>graphic primitive stroke width</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1120 </tr>
1121
1122 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1123 <td><a href="command-line-options.html#stretch">-stretch <var>type</var></a></td>
1124 <td>render text with this font stretch</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1125 </tr>
1126
1127 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1128 <td><a href="command-line-options.html#style">-style <var>type</var></a></td>
1129 <td>render text with this font style</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1130 </tr>
1131
1132 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1133 <td><a href="command-line-options.html#swap">-swap <var>indexes</var></a></td>
1134 <td>swap two images in the image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1135 </tr>
1136
1137 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1138 <td><a href="command-line-options.html#swirl">-swirl <var>degrees</var></a></td>
1139 <td>swirl image pixels about the center</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1140 </tr>
1141
1142 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1143 <td><a href="command-line-options.html#synchronize">-synchronize</a></td>
1144 <td>synchronize image to storage device</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]1145 </tr>
1146
1147 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1148 <td><a href="command-line-options.html#taint">-taint</a></td>
1149 <td>mark the image as modified</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]1150 </tr>
1151
1152 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1153 <td><a href="command-line-options.html#texture">-texture <var>filename</var></a></td>
1154 <td>name of texture to tile onto the image background</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1155 </tr>
1156
1157 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1158 <td><a href="command-line-options.html#threshold">-threshold <var>value</var></a></td>
1159 <td>threshold the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1160 </tr>
1161
1162 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1163 <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
1164 <td>create a thumbnail of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1165 </tr>
1166
1167 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1168 <td><a href="command-line-options.html#tile">-tile <var>filename</var></a></td>
1169 <td>tile image when filling a graphic primitive</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1170 </tr>
1171
1172 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1173 <td><a href="command-line-options.html#tile-offset">-tile-offset <var>geometry</var></a></td>
1174 <td>set the image tile offset</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1175 </tr>
1176
1177 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1178 <td><a href="command-line-options.html#tint">-tint <var>value</var></a></td>
1179 <td>tint the image with the fill color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1180 </tr>
1181
1182 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1183 <td><a href="command-line-options.html#transform">-transform</a></td>
1184 <td>affine transform image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1185 </tr>
1186
1187 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1188 <td><a href="command-line-options.html#transparent">-transparent <var>color</var></a></td>
1189 <td>make this color transparent within the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1190 </tr>
1191
1192 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1193 <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
1194 <td>transparent color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1195 </tr>
1196
1197 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1198 <td><a href="command-line-options.html#transpose">-transpose</a></td>
1199 <td>flip image in the vertical direction and rotate 90 degrees</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1200 </tr>
1201
1202 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1203 <td><a href="command-line-options.html#transverse">-transverse</a></td>
1204 <td>flop image in the horizontal direction and rotate 270 degrees</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1205 </tr>
1206
1207 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1208 <td><a href="command-line-options.html#treedepth">-treedepth <var>value</var></a></td>
1209 <td>color tree depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1210 </tr>
1211
1212 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1213 <td><a href="command-line-options.html#trim">-trim</a></td>
1214 <td>trim image edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1215 </tr>
1216
1217 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1218 <td><a href="command-line-options.html#type">-type <var>type</var></a></td>
1219 <td>image type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1220 </tr>
1221
1222 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1223 <td><a href="command-line-options.html#undercolor">-undercolor <var>color</var></a></td>
1224 <td>annotation bounding box color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1225 </tr>
1226
1227 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1228 <td><a href="command-line-options.html#unique-colors">-unique-colors</a></td>
1229 <td>discard all but one of any pixel color.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1230 </tr>
1231
1232 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1233 <td><a href="command-line-options.html#units">-units <var>type</var></a></td>
1234 <td>the units of image resolution</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1235 </tr>
1236
1237 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1238 <td><a href="command-line-options.html#unsharp">-unsharp <var>geometry</var></a></td>
1239 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1240 </tr>
1241
1242 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1243 <td><a href="command-line-options.html#verbose">-verbose</a></td>
1244 <td>print detailed information about the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1245 </tr>
1246
1247 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1248 <td><a href="command-line-options.html#version">-version</a></td>
1249 <td>print version information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1250 </tr>
1251
1252 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1253 <td><a href="command-line-options.html#view">-view</a></td>
1254 <td>FlashPix viewing transforms</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1255 </tr>
1256
1257 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1258 <td><a href="command-line-options.html#vignette">-vignette <var>geometry</var></a></td>
1259 <td>soften the edges of the image in vignette style</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1260 </tr>
1261
1262 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1263 <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
1264 <td>access method for pixels outside the boundaries of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1265 </tr>
1266
1267 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1268 <td><a href="command-line-options.html#wave">-wave <var>geometry</var></a></td>
1269 <td>alter an image along a sine wave</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1270 </tr>
1271
1272 <tr>
Cristye09ed312016-03-06 08:07:39 -0500[diff] [blame]1273 <td><a href="command-line-options.html#wavelet">-wavelet-denoise <var>threshold</var></a></td>
1274 <td>removes noise from the image using a wavelet transform</td>
1275 </tr>
1276
1277 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1278 <td><a href="command-line-options.html#weight">-weight <var>type</var></a></td>
1279 <td>render text with this font weight</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1280 </tr>
1281
1282 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1283 <td><a href="command-line-options.html#white-point">-white-point <var>point</var></a></td>
1284 <td>chromaticity white point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1285 </tr>
1286
1287 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1288 <td><a href="command-line-options.html#white-threshold">-white-threshold <var>value</var></a></td>
1289 <td>force all pixels above the threshold into white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1290 </tr>
1291
1292 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]1293 <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
1294 <td>write images to this file</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1295 </tr>
Cristye0779712016-07-30 17:25:22 -0400[diff] [blame^]1296
1297 <tr>
1298 <td><a href="command-line-options.html#write-mask">-write-mask <var>filename</var></a></td>
1299 <td>associate a write mask with the image</td>
1300 </tr>
1301
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1302</table>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]1303</div>
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