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gerrit-public.fairphone.software / platform / external / ImageMagick / b9dbc296c59e91df014757130b4e584c7fb6c74d / . / www / composite.html
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cristy29dc8652015-05-12 16:26:21 +0000[diff] [blame]1<!DOCTYPE html>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]2<html lang="en">
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]3<head>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]4 <meta charset="utf-8">
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cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]7 <title>ImageMagick: Command-line Tools: Composite</title>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]8 <meta http-equiv="content-language" content="en-US">
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10 <meta http-equiv="reply-to" content="magick-users@imagemagick.org">
11 <meta name="application-name" content="ImageMagick">
12 <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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cristy2f563d42015-05-06 23:36:51 +0000[diff] [blame]22 <meta name="copyright" content="Copyright (c) 1999-2015 ImageMagick Studio LLC">
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]23 <meta name="distribution" content="Global">
cristy44443b92015-05-05 00:06:07 +0000[diff] [blame]24 <meta name="magick-serial" content="P131-S030410-R485315270133-P82224-A6668-G1245-1">
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]25 <link rel="icon" href="../images/wand.png">
26 <link rel="shortcut icon" href="../images/wand.ico" type="images/x-icon">
cristy44443b92015-05-05 00:06:07 +0000[diff] [blame]27 <link rel="stylesheet" href="css/bootstrap.min.css">
cristycecc9492015-06-09 16:53:50 +0000[diff] [blame]28 <link rel="stylesheet" href="../css/magick.css">
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]29</head>
30
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]31<body>
cristyad41c0c2012-10-31 00:49:28 +0000[diff] [blame]32<div class="main">
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]33<div class="magick-masthead">
34 <div class="container">
35 <script type="text/javascript">
36 <!--
37 google_ad_client = "pub-3129977114552745";
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41 //-->
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43 <center><script type="text/javascript" src="http://localhost/pagead/show_ads.js">
44 </script></center>
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>
49 <a class="magick-nav-item " href="command-line-options.html">Options</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>
cristy5b8fe762015-06-09 16:24:03 +0000[diff] [blame]52 <a class="magick-nav-item " href="http://nextgen.imagemagick.org/script/search.php">Search</a>
cristya1890f02015-05-15 23:32:44 +0000[diff] [blame]53 <a class="magick-nav-item pull-right" href="http://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">
59<p class="text-center"><a href="composite.html#usage">Example Usage</a> • <a href="composite.html#options">Option Summary</a></p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]60
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]61<p class="lead magick-description">Use the <code>composite</code> program to overlap one image over another. See <a href="command-line-processing.html">Command Line Processing</a> for advice on how to structure your <code>composite</code> command or see below for example usages of the command.</p>
62
63<h2 class="magick-header"><a id="usage"></a>Example Usage</h2>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]64
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]65<p>We list a few examples of the <code>composite</code> command here to illustrate its usefulness and ease of use. To get started, lets overlay a smiley face over a rose:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]66
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]67<pre>
68composite -gravity center smile.gif rose: rose-over.png
69</pre>
70
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]71<ul>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]72 <a href="../images/smile.gif"><img src="../images/smile.gif" width="48" height="48" alt="smile"></a>
73 <img src="../images/over.gif" width="56" height="46" alt="over">
74 <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" alt="rose"></a>
75 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==&gt;">
76 <a href="../images/rose-over.png"><img src="../images/rose-over.png" width="70" height="46" alt="rose"></a>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]77</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]78
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]79<p>You can create three-dimensional effect with the <var>Atop</var>:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]80
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]81<pre>
82convert -size 70x70 canvas:none -fill red -draw 'circle 35,35 10,30' red-circle.png
83convert -size 70x70 canvas:none -draw 'circle 35,35 35,20' -negate \
84-channel A -gaussian-blur 0x8 white-highlight.png
85composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png
86</pre>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]87
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]88<ul>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]89 <a href="../images/white-highlight.png"><img src="../images/white-highlight.png" width="70" height="70" alt="white highlight"></a>
90 <img src="../images/atop.gif" width="56" height="70" alt="atop">
91 <a href="../images/red-circle.png"><img src="../images/red-circle.png" width="70" height="70" alt="red circle"></a>
92 <img style="margin-top:25px; margin-bottom:25px;" src="../images/right.gif" width="20" height="20" alt="==&gt;">
93 <a href="../images/red-ball.png"><img src="../images/red-ball.png" width="70" height="70" alt="red ball"></a>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]94</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]95
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]96<p>You can find additional examples of using <code>composite</code> in <a href="http://www.imagemagick.org/Usage/">Examples of ImageMagick Usage</a>. You can find out more about them and the mathematics by looking at <a href="http://www.w3.org/TR/SVG12/rendering.html">SVG Alpha Compositing</a></p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]97
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]98<h2 class="magick-header"><a id="options"></a>Option Summary</h2>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]99
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]100<p>The <code>composite</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]101
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]102<table class="table table-condensed table-striped">
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]103 <tbody>
104 <tr>
105 <th align="left">Option</th>
106 <th align="left">Description</th>
107 </tr>
108
109 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]110 <td><a href="command-line-options.html#affine">-affine <var>matrix</var></a></td>
111 <td>affine transform matrix</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]112 </tr>
113
114 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]115 <td><a href="command-line-options.html#alpha">-alpha</a></td>
116 <td>on, activate, off, deactivate, set, opaque, copy",
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]117transparent, extract, background, or shape the alpha channel</td>
118 </tr>
119
120 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]121 <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
122 <td>decrypt image with this password</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]123 </tr>
124
125 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]126 <td><a href="command-line-options.html#blend">-blend <var>geometry</var></a></td>
127 <td>blend images</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]128 </tr>
129
130 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]131 <td><a href="command-line-options.html#blue-primary">-blue-primary <var>point</var></a></td>
132 <td>chromaticity blue primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]133 </tr>
134
135
136 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]137 <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
138 <td>surround image with a border of color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]139 </tr>
140
141 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]142 <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
143 <td>border color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]144 </tr>
145
146 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]147 <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
148 <td>apply option to select image channels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]149 </tr>
150
151 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]152 <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
153 <td>preferred number of colors in the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]154 </tr>
155
156 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]157 <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
158 <td>set image colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]159 </tr>
160
161 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]162 <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
163 <td>annotate image with comment</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]164 </tr>
165
166 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]167 <td><a href="command-line-options.html#compose">-compose <var>operator</var></a></td>
168 <td>set image composite operator</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]169 </tr>
170
171 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]172 <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
173 <td>image compression type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]174 </tr>
175
176 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]177 <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
178 <td>display copious debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]179 </tr>
180
181 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]182 <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
183 <td>convert cipher pixels to plain</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]184 </tr>
185
186 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]187 <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
188 <td>define one or more image format options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]189 </tr>
190
191 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]192 <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
193 <td>horizontal and vertical density of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]194 </tr>
195
196 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]197 <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
198 <td>image depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]199 </tr>
200
201 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]202 <td><a href="command-line-options.html#displace">-displace <var>geometry</var></a></td>
203 <td>shift image pixels defined by a displacement map</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]204 </tr>
205
206 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]207 <td><a href="command-line-options.html#dissolve">-dissolve <var>value</var></a></td>
208 <td>dissolve the two images a given percent</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]209 </tr>
210
211 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]212 <td><a href="command-line-options.html#dither">-dither <var>method</var></a></td>
213 <td>apply error diffusion to image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]214 </tr>
215
216 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]217 <td><a href="command-line-options.html#encipher">-encipher <var>filename</var></a></td>
218 <td>convert plain pixels to cipher pixels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]219 </tr>
220
221 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]222 <td><a href="command-line-options.html#encoding">-encoding <var>type</var></a></td>
223 <td>text encoding type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]224 </tr>
225
226 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]227 <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
228 <td>endianness (MSB or LSB) of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]229 </tr>
230
231 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]232 <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
233 <td>extract area from image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]234 </tr>
235
236 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]237 <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
238 <td>use this filter when resizing an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]239 </tr>
240
241 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]242 <td><a href="command-line-options.html#font">-font <var>name</var></a></td>
243 <td>render text with this font</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]244 </tr>
245
246 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]247 <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
248 <td>preferred size or location of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]249 </tr>
250
251 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]252 <td><a href="command-line-options.html#gravity">-gravity <var>type</var></a></td>
253 <td>horizontal and vertical text placement</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]254 </tr>
255
256 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]257 <td><a href="command-line-options.html#green-primary">-green-primary <var>point</var></a></td>
258 <td>chromaticity green primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]259 </tr>
260
261 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]262 <td><a href="command-line-options.html#help">-help</a></td>
263 <td>print program options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]264 </tr>
265
266 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]267 <td><a href="command-line-options.html#identify">-identify</a></td>
268 <td>identify the format and characteristics of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]269 </tr>
270
271 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]272 <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
273 <td>type of image interlacing scheme</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]274 </tr>
275
276 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]277 <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
278 <td>pixel color interpolation method</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]279 </tr>
280
281 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]282 <td><a href="command-line-options.html#label">-label <var>string</var></a></td>
283 <td>assign a label to an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]284 </tr>
285
286 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]287 <td><a href="command-line-options.html#level">-level <var>value</var></a></td>
288 <td>adjust the level of image contrast</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]289 </tr>
290
291 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]292 <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
293 <td>pixel cache resource limit</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]294 </tr>
295
296 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]297 <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
298 <td>format of debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]299 </tr>
300
301 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]302 <td><a href="command-line-options.html#monitor">-monitor</a></td>
303 <td>monitor progress</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]304 </tr>
305
306 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]307 <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
308 <td>transform image to black and white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]309 </tr>
310
311 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]312 <td><a href="command-line-options.html#negate">-negate</a></td>
313 <td>replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]314 </tr>
315
316 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]317 <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
318 <td>size and location of an image canvas (setting)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]319 </tr>
320
321 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]322 <td><a href="command-line-options.html#pointsize">-pointsize <var>value</var></a></td>
323 <td>font point size</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]324 </tr>
325
326 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]327 <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
328 <td>add, delete, or apply an image profile</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]329 </tr>
330
331 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]332 <td><a href="command-line-options.html#quality">-quality <var>value</var></a></td>
333 <td>JPEG/MIFF/PNG compression level</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]334 </tr>
335
336 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]337 <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
338 <td>reduce image colors in this colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]339 </tr>
340
341 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]342 <td><a href="command-line-options.html#quiet">-quiet</a></td>
343 <td>suppress all warning messages</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]344 </tr>
345
346 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]347 <td><a href="command-line-options.html#red-primary">-red-primary <var>point</var></a></td>
348 <td>chromaticity red primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]349 </tr>
350
351 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]352 <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
353 <td>pay attention to warning messages.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]354 </tr>
355
356 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]357 <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
358 <td>settings remain in effect until parenthesis boundary.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]359 </tr>
360
361 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]362 <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
363 <td>apply Paeth rotation to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]364 </tr>
365
366 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]367 <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
368 <td>horizontal and vertical sampling factor</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]369 </tr>
370
371 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]372 <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
373 <td>image scene number</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]374 </tr>
375
376 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]377 <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
378 <td>seed a new sequence of pseudo-random numbers</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]379 </tr>
380
381 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]382 <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
383 <td>set an image attribute</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]384 </tr>
385
386 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]387 <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
388 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]389 </tr>
390
391 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]392 <td><a href="command-line-options.html#shave">-shave <var>geometry</var></a></td>
393 <td>shave pixels from the image edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]394 </tr>
395
396 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]397 <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
398 <td>width and height of image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]399 </tr>
400
401 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]402 <td><a href="command-line-options.html#stegano">-stegano <var>offset</var></a></td>
403 <td>hide watermark within an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]404 </tr>
405
406 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]407 <td><a href="command-line-options.html#stereo">-stereo <var>geometry</var></a></td>
408 <td>combine two image to create a stereo anaglyph</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]409 </tr>
410
411 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]412 <td><a href="command-line-options.html#strip">-strip</a></td>
413 <td>strip image of all profiles and comments</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]414 </tr>
415
416 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]417 <td><a href="command-line-options.html#swap">-swap <var>indexes</var></a></td>
418 <td>swap two images in the image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]419 </tr>
420
421 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]422 <td><a href="command-line-options.html#synchronize">-synchronize</a></td>
423 <td>synchronize image to storage device</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]424 </tr>
425
426 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]427 <td><a href="command-line-options.html#taint">-taint</a></td>
428 <td>mark the image as modified</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]429 </tr>
430
431 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]432 <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
433 <td>create a thumbnail of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]434 </tr>
435
436 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]437 <td><a href="command-line-options.html#tile">-tile</a></td>
438 <td>repeat composite operation across and down image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]439 </tr>
440
441 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]442 <td><a href="command-line-options.html#transform">-transform</a></td>
443 <td>affine transform image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]444 </tr>
445
446 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]447 <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
448 <td>transparent color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]449 </tr>
450
451 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]452 <td><a href="command-line-options.html#treedepth">-treedepth <var>value</var></a></td>
453 <td>color tree depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]454 </tr>
455
456 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]457 <td><a href="command-line-options.html#type">-type <var>type</var></a></td>
458 <td>image type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]459 </tr>
460
461 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]462 <td><a href="command-line-options.html#units">-units <var>type</var></a></td>
463 <td>the units of image resolution</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]464 </tr>
465
466 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]467 <td><a href="command-line-options.html#unsharp">-unsharp <var>geometry</var></a></td>
468 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]469 </tr>
470
471 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]472 <td><a href="command-line-options.html#verbose">-verbose</a></td>
473 <td>print detailed information about the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]474 </tr>
475
476 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]477 <td><a href="command-line-options.html#version">-version</a></td>
478 <td>print version information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]479 </tr>
480
481 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]482 <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
483 <td>access method for pixels outside the boundaries of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]484 </tr>
485
486 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]487 <td><a href="command-line-options.html#watermark">-watermark <var>geometry</var></a></td>
488 <td>percent brightness and saturation of a watermark</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]489 </tr>
490
491 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]492 <td><a href="command-line-options.html#white-point">-white-point <var>point</var></a></td>
493 <td>chromaticity white point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]494 </tr>
495
496 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]497 <td><a href="command-line-options.html#white-threshold">-white-threshold <var>value</var></a></td>
498 <td>force all pixels above the threshold into white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]499 </tr>
500
501 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]502 <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
503 <td>write images to this file</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]504 </tr>
505
506 </tbody>
507</table>
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