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gerrit-public.fairphone.software / platform / external / ImageMagick / 2b6b3f822567673d71922f208123aef514eeb452 / . / 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>
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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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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">
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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">
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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">
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cristy44443b92015-05-05 00:06:07 +0000[diff] [blame]46 <a class="magick-nav-item " href="../index.html">Home</a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]47 <a class="magick-nav-item " href="binary-releases.html">Downloads</a>
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>
50 <a class="magick-nav-item " href="api.html">Development</a>
cristy44443b92015-05-05 00:06:07 +0000[diff] [blame]51 <a class="magick-nav-item" href="http://www.imagemagick.org/discourse-server/">Community</a>
cristy82a2ff22015-05-12 16:41:32 +0000[diff] [blame]52 <a class="magick-nav-item pull-right " href="http://www.imagemagick.org/script/search.php">Search</a>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]53 </nav>
54 </div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]55</div>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]56<div class="container">
57<div class="magick-header">
58<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]59
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]60<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>
61
62<h2 class="magick-header"><a id="usage"></a>Example Usage</h2>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]63
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]64<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]65
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]66<pre>
67composite -gravity center smile.gif rose: rose-over.png
68</pre>
69
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]70<ul>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]71 <a href="../images/smile.gif"><img src="../images/smile.gif" width="48" height="48" alt="smile"></a>
72 <img src="../images/over.gif" width="56" height="46" alt="over">
73 <a href="../images/rose.jpg"><img src="../images/rose.jpg" width="70" height="46" alt="rose"></a>
74 <img style="margin-top:13px; margin-bottom:13px;" src="../images/right.gif" width="20" height="20" alt="==&gt;">
75 <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]76</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]77
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]78<p>You can create three-dimensional effect with the <var>Atop</var>:</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]79
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]80<pre>
81convert -size 70x70 canvas:none -fill red -draw 'circle 35,35 10,30' red-circle.png
82convert -size 70x70 canvas:none -draw 'circle 35,35 35,20' -negate \
83-channel A -gaussian-blur 0x8 white-highlight.png
84composite -compose atop -geometry -13-17 white-highlight.png red-circle.png red-ball.png
85</pre>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]86
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]87<ul>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]88 <a href="../images/white-highlight.png"><img src="../images/white-highlight.png" width="70" height="70" alt="white highlight"></a>
89 <img src="../images/atop.gif" width="56" height="70" alt="atop">
90 <a href="../images/red-circle.png"><img src="../images/red-circle.png" width="70" height="70" alt="red circle"></a>
91 <img style="margin-top:25px; margin-bottom:25px;" src="../images/right.gif" width="20" height="20" alt="==&gt;">
92 <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]93</ul>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]94
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]95<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]96
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]97<h2 class="magick-header"><a id="options"></a>Option Summary</h2>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame]98
cristy8ee7f242013-06-20 16:08:44 +0000[diff] [blame]99<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]100
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]101<table class="table table-condensed table-striped">
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]102 <tbody>
103 <tr>
104 <th align="left">Option</th>
105 <th align="left">Description</th>
106 </tr>
107
108 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]109 <td><a href="command-line-options.html#affine">-affine <var>matrix</var></a></td>
110 <td>affine transform matrix</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]111 </tr>
112
113 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]114 <td><a href="command-line-options.html#alpha">-alpha</a></td>
115 <td>on, activate, off, deactivate, set, opaque, copy",
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]116transparent, extract, background, or shape the alpha channel</td>
117 </tr>
118
119 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]120 <td><a href="command-line-options.html#authenticate">-authenticate <var>value</var></a></td>
121 <td>decrypt image with this password</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]122 </tr>
123
124 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]125 <td><a href="command-line-options.html#blend">-blend <var>geometry</var></a></td>
126 <td>blend images</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]127 </tr>
128
129 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]130 <td><a href="command-line-options.html#blue-primary">-blue-primary <var>point</var></a></td>
131 <td>chromaticity blue primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]132 </tr>
133
134
135 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]136 <td><a href="command-line-options.html#border">-border <var>geometry</var></a></td>
137 <td>surround image with a border of color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]138 </tr>
139
140 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]141 <td><a href="command-line-options.html#bordercolor">-bordercolor <var>color</var></a></td>
142 <td>border color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]143 </tr>
144
145 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]146 <td><a href="command-line-options.html#channel">-channel <var>type</var></a></td>
147 <td>apply option to select image channels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]148 </tr>
149
150 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]151 <td><a href="command-line-options.html#colors">-colors <var>value</var></a></td>
152 <td>preferred number of colors in the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]153 </tr>
154
155 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]156 <td><a href="command-line-options.html#colorspace">-colorspace <var>type</var></a></td>
157 <td>set image colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]158 </tr>
159
160 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]161 <td><a href="command-line-options.html#comment">-comment <var>string</var></a></td>
162 <td>annotate image with comment</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]163 </tr>
164
165 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]166 <td><a href="command-line-options.html#compose">-compose <var>operator</var></a></td>
167 <td>set image composite operator</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]168 </tr>
169
170 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]171 <td><a href="command-line-options.html#compress">-compress <var>type</var></a></td>
172 <td>image compression type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]173 </tr>
174
175 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]176 <td><a href="command-line-options.html#debug">-debug <var>events</var></a></td>
177 <td>display copious debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]178 </tr>
179
180 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]181 <td><a href="command-line-options.html#decipher">-decipher <var>filename</var></a></td>
182 <td>convert cipher pixels to plain</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]183 </tr>
184
185 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]186 <td><a href="command-line-options.html#define">-define <var>format:option</var></a></td>
187 <td>define one or more image format options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]188 </tr>
189
190 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]191 <td><a href="command-line-options.html#density">-density <var>geometry</var></a></td>
192 <td>horizontal and vertical density of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]193 </tr>
194
195 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]196 <td><a href="command-line-options.html#depth">-depth <var>value</var></a></td>
197 <td>image depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]198 </tr>
199
200 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]201 <td><a href="command-line-options.html#displace">-displace <var>geometry</var></a></td>
202 <td>shift image pixels defined by a displacement map</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]203 </tr>
204
205 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]206 <td><a href="command-line-options.html#dissolve">-dissolve <var>value</var></a></td>
207 <td>dissolve the two images a given percent</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]208 </tr>
209
210 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]211 <td><a href="command-line-options.html#dither">-dither <var>method</var></a></td>
212 <td>apply error diffusion to image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]213 </tr>
214
215 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]216 <td><a href="command-line-options.html#encipher">-encipher <var>filename</var></a></td>
217 <td>convert plain pixels to cipher pixels</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]218 </tr>
219
220 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]221 <td><a href="command-line-options.html#encoding">-encoding <var>type</var></a></td>
222 <td>text encoding type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]223 </tr>
224
225 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]226 <td><a href="command-line-options.html#endian">-endian <var>type</var></a></td>
227 <td>endianness (MSB or LSB) of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]228 </tr>
229
230 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]231 <td><a href="command-line-options.html#extract">-extract <var>geometry</var></a></td>
232 <td>extract area from image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]233 </tr>
234
235 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]236 <td><a href="command-line-options.html#filter">-filter <var>type</var></a></td>
237 <td>use this filter when resizing an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]238 </tr>
239
240 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]241 <td><a href="command-line-options.html#font">-font <var>name</var></a></td>
242 <td>render text with this font</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]243 </tr>
244
245 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]246 <td><a href="command-line-options.html#geometry">-geometry <var>geometry</var></a></td>
247 <td>preferred size or location of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]248 </tr>
249
250 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]251 <td><a href="command-line-options.html#gravity">-gravity <var>type</var></a></td>
252 <td>horizontal and vertical text placement</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]253 </tr>
254
255 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]256 <td><a href="command-line-options.html#green-primary">-green-primary <var>point</var></a></td>
257 <td>chromaticity green primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]258 </tr>
259
260 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]261 <td><a href="command-line-options.html#help">-help</a></td>
262 <td>print program options</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]263 </tr>
264
265 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]266 <td><a href="command-line-options.html#identify">-identify</a></td>
267 <td>identify the format and characteristics of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]268 </tr>
269
270 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]271 <td><a href="command-line-options.html#interlace">-interlace <var>type</var></a></td>
272 <td>type of image interlacing scheme</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]273 </tr>
274
275 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]276 <td><a href="command-line-options.html#interpolate">-interpolate <var>method</var></a></td>
277 <td>pixel color interpolation method</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]278 </tr>
279
280 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]281 <td><a href="command-line-options.html#label">-label <var>string</var></a></td>
282 <td>assign a label to an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]283 </tr>
284
285 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]286 <td><a href="command-line-options.html#level">-level <var>value</var></a></td>
287 <td>adjust the level of image contrast</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]288 </tr>
289
290 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]291 <td><a href="command-line-options.html#limit">-limit <var>type value</var></a></td>
292 <td>pixel cache resource limit</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]293 </tr>
294
295 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]296 <td><a href="command-line-options.html#log">-log <var>format</var></a></td>
297 <td>format of debugging information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]298 </tr>
299
300 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]301 <td><a href="command-line-options.html#monitor">-monitor</a></td>
302 <td>monitor progress</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]303 </tr>
304
305 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]306 <td><a href="command-line-options.html#monochrome">-monochrome</a></td>
307 <td>transform image to black and white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]308 </tr>
309
310 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]311 <td><a href="command-line-options.html#negate">-negate</a></td>
312 <td>replace each pixel with its complementary color </td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]313 </tr>
314
315 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]316 <td><a href="command-line-options.html#page">-page <var>geometry</var></a></td>
317 <td>size and location of an image canvas (setting)</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]318 </tr>
319
320 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]321 <td><a href="command-line-options.html#pointsize">-pointsize <var>value</var></a></td>
322 <td>font point size</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]323 </tr>
324
325 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]326 <td><a href="command-line-options.html#profile">-profile <var>filename</var></a></td>
327 <td>add, delete, or apply an image profile</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]328 </tr>
329
330 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]331 <td><a href="command-line-options.html#quality">-quality <var>value</var></a></td>
332 <td>JPEG/MIFF/PNG compression level</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]333 </tr>
334
335 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]336 <td><a href="command-line-options.html#quantize">-quantize <var>colorspace</var></a></td>
337 <td>reduce image colors in this colorspace</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]338 </tr>
339
340 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]341 <td><a href="command-line-options.html#quiet">-quiet</a></td>
342 <td>suppress all warning messages</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]343 </tr>
344
345 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]346 <td><a href="command-line-options.html#red-primary">-red-primary <var>point</var></a></td>
347 <td>chromaticity red primary point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]348 </tr>
349
350 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]351 <td><a href="command-line-options.html#regard-warnings">-regard-warnings</a></td>
352 <td>pay attention to warning messages.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]353 </tr>
354
355 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]356 <td><a href="command-line-options.html#respect-parentheses">-respect-parentheses</a></td>
357 <td>settings remain in effect until parenthesis boundary.</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]358 </tr>
359
360 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]361 <td><a href="command-line-options.html#rotate">-rotate <var>degrees</var></a></td>
362 <td>apply Paeth rotation to the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]363 </tr>
364
365 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]366 <td><a href="command-line-options.html#sampling-factor">-sampling-factor <var>geometry</var></a></td>
367 <td>horizontal and vertical sampling factor</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]368 </tr>
369
370 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]371 <td><a href="command-line-options.html#scene">-scene <var>value</var></a></td>
372 <td>image scene number</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]373 </tr>
374
375 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]376 <td><a href="command-line-options.html#seed">-seed <var>value</var></a></td>
377 <td>seed a new sequence of pseudo-random numbers</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]378 </tr>
379
380 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]381 <td><a href="command-line-options.html#set">-set <var>attribute value</var></a></td>
382 <td>set an image attribute</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]383 </tr>
384
385 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]386 <td><a href="command-line-options.html#sharpen">-sharpen <var>geometry</var></a></td>
387 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]388 </tr>
389
390 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]391 <td><a href="command-line-options.html#shave">-shave <var>geometry</var></a></td>
392 <td>shave pixels from the image edges</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]393 </tr>
394
395 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]396 <td><a href="command-line-options.html#size">-size <var>geometry</var></a></td>
397 <td>width and height of image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]398 </tr>
399
400 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]401 <td><a href="command-line-options.html#stegano">-stegano <var>offset</var></a></td>
402 <td>hide watermark within an image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]403 </tr>
404
405 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]406 <td><a href="command-line-options.html#stereo">-stereo <var>geometry</var></a></td>
407 <td>combine two image to create a stereo anaglyph</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]408 </tr>
409
410 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]411 <td><a href="command-line-options.html#strip">-strip</a></td>
412 <td>strip image of all profiles and comments</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]413 </tr>
414
415 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]416 <td><a href="command-line-options.html#swap">-swap <var>indexes</var></a></td>
417 <td>swap two images in the image sequence</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]418 </tr>
419
420 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]421 <td><a href="command-line-options.html#synchronize">-synchronize</a></td>
422 <td>synchronize image to storage device</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]423 </tr>
424
425 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]426 <td><a href="command-line-options.html#taint">-taint</a></td>
427 <td>mark the image as modified</td>
cristy5063d812010-10-19 16:28:10 +0000[diff] [blame]428 </tr>
429
430 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]431 <td><a href="command-line-options.html#thumbnail">-thumbnail <var>geometry</var></a></td>
432 <td>create a thumbnail of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]433 </tr>
434
435 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]436 <td><a href="command-line-options.html#tile">-tile</a></td>
437 <td>repeat composite operation across and down image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]438 </tr>
439
440 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]441 <td><a href="command-line-options.html#transform">-transform</a></td>
442 <td>affine transform image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]443 </tr>
444
445 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]446 <td><a href="command-line-options.html#transparent-color">-transparent-color <var>color</var></a></td>
447 <td>transparent color</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]448 </tr>
449
450 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]451 <td><a href="command-line-options.html#treedepth">-treedepth <var>value</var></a></td>
452 <td>color tree depth</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]453 </tr>
454
455 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]456 <td><a href="command-line-options.html#type">-type <var>type</var></a></td>
457 <td>image type</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]458 </tr>
459
460 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]461 <td><a href="command-line-options.html#units">-units <var>type</var></a></td>
462 <td>the units of image resolution</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]463 </tr>
464
465 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]466 <td><a href="command-line-options.html#unsharp">-unsharp <var>geometry</var></a></td>
467 <td>sharpen the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]468 </tr>
469
470 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]471 <td><a href="command-line-options.html#verbose">-verbose</a></td>
472 <td>print detailed information about the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]473 </tr>
474
475 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]476 <td><a href="command-line-options.html#version">-version</a></td>
477 <td>print version information</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]478 </tr>
479
480 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]481 <td><a href="command-line-options.html#virtual-pixel">-virtual-pixel <var>method</var></a></td>
482 <td>access method for pixels outside the boundaries of the image</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]483 </tr>
484
485 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]486 <td><a href="command-line-options.html#watermark">-watermark <var>geometry</var></a></td>
487 <td>percent brightness and saturation of a watermark</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]488 </tr>
489
490 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]491 <td><a href="command-line-options.html#white-point">-white-point <var>point</var></a></td>
492 <td>chromaticity white point</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]493 </tr>
494
495 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]496 <td><a href="command-line-options.html#white-threshold">-white-threshold <var>value</var></a></td>
497 <td>force all pixels above the threshold into white</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]498 </tr>
499
500 <tr>
cristyd2432012015-05-04 23:15:15 +0000[diff] [blame]501 <td><a href="command-line-options.html#write">-write <var>filename</var></a></td>
502 <td>write images to this file</td>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]503 </tr>
504
505 </tbody>
506</table>
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