cristy | dcca3fa | 2010-12-29 21:50:07 +0000 | [diff] [blame] | 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
|
| 2 | "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
cristy | 2bd2a98 | 2011-02-15 00:52:58 +0000 | [diff] [blame] | 3 | <html version="-//W3C//DTD XHTML 1.1//EN"
|
| 4 | xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
|
| 5 | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
| 6 | xsi:schemaLocation="http://www.w3.org/1999/xhtml
|
| 7 | http://www.w3.org/MarkUp/SCHEMA/xhtml11.xsd">
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 8 | <head>
|
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 9 | <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
|
| 10 | <meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>
|
cristy | ffb69ed | 2010-12-25 00:06:48 +0000 | [diff] [blame] | 11 | <title>ImageMagick: MagickCore, C API for ImageMagick: Add an Effect</title> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 12 | <meta http-equiv="Content-Language" content="en-US"/> |
| 13 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> |
| 14 | <meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/> |
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 15 | <meta name="Application-name" content="ImageMagick"/> |
cristy | e6e8415 | 2011-06-06 14:16:49 +0000 | [diff] [blame] | 16 | <meta name="Description" content="Use ImageMagick to convert, edit, or compose bitmap images in a variety of formats. In addition resize, rotate, shear, distort and transform images automagically."/> |
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 17 | <meta name="Application-url" content="http://www.imagemagick.org"/> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 18 | <meta name="Generator" content="PHP"/> |
cristy | e6e8415 | 2011-06-06 14:16:49 +0000 | [diff] [blame] | 19 | <meta name="Keywords" content="magickcore, c, api, for, imagemagick:, add, an, effect, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Image, Processing, Automagically"/> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 20 | <meta name="Rating" content="GENERAL"/> |
| 21 | <meta name="Robots" content="INDEX, FOLLOW"/> |
| 22 | <meta name="Generator" content="ImageMagick Studio LLC"/> |
| 23 | <meta name="Author" content="ImageMagick Studio LLC"/> |
| 24 | <meta name="Revisit-after" content="2 DAYS"/> |
| 25 | <meta name="Resource-type" content="document"/> |
cristy | 4103d56 | 2010-12-10 01:38:54 +0000 | [diff] [blame] | 26 | <meta name="Copyright" content="Copyright (c) 1999-2011 ImageMagick Studio LLC"/> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 27 | <meta name="Distribution" content="Global"/> |
cristy | dcca3fa | 2010-12-29 21:50:07 +0000 | [diff] [blame] | 28 | <link rel="icon" href="../../images/wand.png"/> |
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 29 | <link rel="shortcut icon" href="../../images/wand.ico" type="images/x-icon"/> |
cristy | 29c5c99 | 2011-06-25 13:58:49 +0000 | [diff] [blame] | 30 | <link rel="canonical" href="http://www.imagemagick.org" />
|
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 31 | <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
|
cristy | 7a40ba8 | 2011-01-08 20:31:18 +0000 | [diff] [blame] | 32 | <link rel="stylesheet" href="http://www.google.com/cse/style/look/default.css" type="text/css" />
|
cristy | 29c5c99 | 2011-06-25 13:58:49 +0000 | [diff] [blame] | 33 | <link rel="stylesheet" type="text/css" href="../fancybox/jquery.fancybox-1.3.4.css" media="screen" />
|
cristy | 3c98a4f | 2010-08-13 20:09:41 +0000 | [diff] [blame] | 34 | <style type="text/css" media="all">
|
| 35 | @import url("../../www/magick.css");
|
| 36 | </style>
|
cristy | 29c5c99 | 2011-06-25 13:58:49 +0000 | [diff] [blame] | 37 | <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
|
cristy | dcca3fa | 2010-12-29 21:50:07 +0000 | [diff] [blame] | 38 | <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
|
cristy | 361f466 | 2010-12-31 23:02:52 +0000 | [diff] [blame] | 39 | <script type="text/javascript" src="../fancybox/jquery.fancybox-1.3.4.pack.js"></script>
|
cristy | 361f466 | 2010-12-31 23:02:52 +0000 | [diff] [blame] | 40 | <script type="text/javascript">
|
| 41 | $(document).ready(function() {
|
| 42 | $("a[href$=.jpg],a[href$=.png],a[href$=.gif]").fancybox({
|
| 43 | 'transitionIn' : 'elastic',
|
| 44 | 'transitionOut' : 'elastic',
|
| 45 | 'overlayShow' : false,
|
| 46 | 'opacity' : true
|
| 47 | });
|
| 48 | });
|
| 49 | </script>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 50 | </head>
|
| 51 |
|
| 52 | <body id="www-imagemagick-org">
|
| 53 | <div class="titlebar">
|
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 54 | <div style="margin: 17px auto; float: left;">
|
| 55 | <script type="text/javascript">
|
| 56 | <!--
|
| 57 | google_ad_client = "pub-3129977114552745";
|
| 58 | google_ad_slot = "5439289906";
|
| 59 | google_ad_width = 728;
|
| 60 | google_ad_height = 90;
|
| 61 | //-->
|
| 62 | </script>
|
| 63 | <script type="text/javascript"
|
| 64 | src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
|
| 65 | </script>
|
| 66 | </div>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 67 | <a href="http://www.imagemagick.org/discourse-server/">
|
cristy | af8d665 | 2011-02-04 21:57:45 +0000 | [diff] [blame] | 68 | <img src="../../images/logo.jpg"
|
| 69 | alt="ImageMagick Logo"
|
cristy | 178edaf | 2011-01-23 03:42:39 +0000 | [diff] [blame] | 70 | style="width: 123px; height: 118px; border: 0px; float: right;" /></a>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 71 | <a href="../../index.html">
|
cristy | af8d665 | 2011-02-04 21:57:45 +0000 | [diff] [blame] | 72 | <img src="../../images/sprite.jpg"
|
| 73 | alt="ImageMagick Sprite"
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 74 | style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
|
| 75 | </div>
|
| 76 |
|
cristy | ce69bb0 | 2010-07-27 19:49:46 +0000 | [diff] [blame] | 77 | <div class="westbar">
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 78 |
|
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 79 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 80 | <a title="About ImageMagick" href="../../index.html">About ImageMagick</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 81 | </div> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 82 | <div class="menu"> |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 83 | <a title="Binary Releases" href="../../www/binary-releases.html">Binary Releases</a> |
| 84 | </div> |
| 85 | <div class="sub"> |
| 86 | <a title="Binary Release: Unix" href="../../www/binary-releases.html#unix">Unix</a> |
| 87 | </div> |
| 88 | <div class="sub"> |
| 89 | <a title="Binary Release: MacOS X" href="../../www/binary-releases.html#macosx">Mac OS X</a> |
| 90 | </div> |
| 91 | <div class="sub"> |
cristy | e6e8415 | 2011-06-06 14:16:49 +0000 | [diff] [blame] | 92 | <a title="Binary Release: iOS" href="../../www/binary-releases.html#iOS">iOS</a> |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 93 | </div> |
| 94 | <div class="sub"> |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 95 | <a title="Binary Release: Windows" href="../../www/binary-releases.html#windows">Windows</a> |
| 96 | </div> |
| 97 | <div class="sep"></div>
|
| 98 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 99 | <a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 100 | </div> |
| 101 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 102 | <a title="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 103 | </div> |
| 104 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 105 | <a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 106 | </div> |
| 107 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 108 | <a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 109 | </div> |
| 110 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 111 | <a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 112 | </div> |
| 113 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 114 | <a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 115 | </div> |
| 116 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 117 | <a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 118 | </div> |
| 119 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 120 | <a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 121 | </div> |
| 122 | <div class="sub"> |
cristy | dcca3fa | 2010-12-29 21:50:07 +0000 | [diff] [blame] | 123 | <a title="Program Interface: Magick++" href="../../www/magick++.html">Magick++</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 124 | </div> |
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 125 | <div class="sep"></div>
|
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 126 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 127 | <a title="Install from Source" href="../../www/install-source.html">Install from Source</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 128 | </div> |
| 129 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 130 | <a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 131 | </div> |
| 132 | <div class="sub"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 133 | <a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 134 | </div> |
| 135 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 136 | <a title="Resources" href="../../www/resources.html">Resources</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 137 | </div> |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 138 | <div class="menu"> |
| 139 | <a title="Architecture" href="../../www/architecture.html">Architecture</a> |
| 140 | </div> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 141 | <div class="menu"> |
cristy | 83a272e | 2010-05-07 20:40:35 +0000 | [diff] [blame] | 142 | <a title="Download" href="../../www/download.html">Download</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 143 | </div> |
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 144 | <div class="sep"></div>
|
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 145 | <div class="menu"> |
cristy | 5292344 | 2011-01-15 22:54:31 +0000 | [diff] [blame] | 146 | <a title="Search" href="../../www/search.html">Search</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 147 | </div> |
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 148 | <div class="sep"></div>
|
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 149 | <div class="menu"> |
cristy | ffb69ed | 2010-12-25 00:06:48 +0000 | [diff] [blame] | 150 | <a title="Site Map" href="../../www/sitemap.html">Site Map</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 151 | </div> |
| 152 | <div class="sub"> |
cristy | ffb69ed | 2010-12-25 00:06:48 +0000 | [diff] [blame] | 153 | <a title="Site Map: Links" href="../../www/links.html">Links</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 154 | </div> |
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 155 | <div class="sep"></div>
|
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 156 | <div class="menu"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 157 | <a rel="follow" title="Sponsors" href="../../www/sponsors.html">Sponsors:</a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 158 | |
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 159 | <a href="http://www.networkredux.com"> |
| 160 | <img src="../../images/networkredux.png" alt="[sponsor]" |
| 161 | style="margin-top: 4px; margin-left: 4px; border: 0px; float: left;" /></a> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 162 | <div class="sponsbox"> |
cristy | 178edaf | 2011-01-23 03:42:39 +0000 | [diff] [blame] | 163 | <div class="sponsor"> |
cristy | 81492d6 | 2011-06-07 16:41:42 +0000 | [diff] [blame] | 164 | <a rel="follow" title="Sponsor: Web Hosting" href="http://www.micfo.com">Web Hosting</a><!-- 209901010090s golestan --> |
| 165 | </div> |
| 166 | <div class="sponsor"> |
cristy | 8413418 | 2011-06-15 22:59:00 +0000 | [diff] [blame] | 167 | <a rel="follow" title="Sponsor: Search engine optimisation" href="http://www.seomoves.com.au">Search engine optimisation</a><!-- 201110010090s jen@seo lowprofilelinks --> |
| 168 | </div> |
| 169 | <div class="sponsor"> |
cristy | 81492d6 | 2011-06-07 16:41:42 +0000 | [diff] [blame] | 170 | <a rel="follow" title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 --> |
| 171 | </div> |
| 172 | <div class="sponsor"> |
cristy | ba1758d | 2011-06-03 01:29:12 +0000 | [diff] [blame] | 173 | <a rel="follow" title="Sponsor: Web Hosting Deals" href="http://www.webhostingdeals.org">Web Hosting Deals</a><!-- 201111010270 chee.hoa darin --> |
| 174 | </div> |
| 175 | <div class="sponsor"> |
| 176 | <a rel="follow" title="Sponsor: Web Hosting Reviews" href="http://www.webhostingsecretrevealed.com">Web Hosting Secret Revealed</a><!-- 201204010540 iamchee jerry --> |
| 177 | </div> |
| 178 | <div class="sponsor"> |
cristy | 4bf6e23 | 2011-05-21 01:43:33 +0000 | [diff] [blame] | 179 | <a rel="follow" title="Sponsor: Web Hosting Break" href="http://www.webhostingbreak.com">Web Hosting Break</a><!-- 201109010090 ian@ian-m... --> |
cristy | 45dbd32 | 2011-03-27 16:40:38 +0000 | [diff] [blame] | 180 | </div> |
| 181 | <div class="sponsor"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 182 | <a rel="follow" title="Sponsor: Druckerei" href="http://www.allesdruck.de">Druckerei</a><!-- 201303011500 r.leo --> |
cristy | 4c54bbb | 2011-03-17 13:53:13 +0000 | [diff] [blame] | 183 | </div> |
| 184 | <div class="sponsor"> |
cristy | 575d5ee | 2011-05-24 01:59:01 +0000 | [diff] [blame] | 185 | <a rel="follow" title="Sponsor: Website Hosting" href="http://www.hostreviewgeeks.com">Website Hosting</a><!-- 201110010090 alexanian media --> |
cristy | 4bf6e23 | 2011-05-21 01:43:33 +0000 | [diff] [blame] | 186 | </div> |
| 187 | <div class="sponsor"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 188 | <a rel="follow" title="Sponsor: Hotel München" href="http://www.messehotel-erb-muenchen.de">Hotel München</a><!-- 201111010450 cerb --> |
cristy | af8d665 | 2011-02-04 21:57:45 +0000 | [diff] [blame] | 189 | </div> |
| 190 | <div class="sponsor"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 191 | <a rel="follow" title="Sponsor: Best Web Hosting" href="http://webhostinggeeks.com">Best Web Hosting</a><!-- 201110010720 --> |
cristy | 73fd1cd | 2010-09-12 19:14:25 +0000 | [diff] [blame] | 192 | </div> |
| 193 | <div class="sponsor"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 194 | <a rel="follow" title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter--> |
cristy | ee74264 | 2011-02-26 02:49:59 +0000 | [diff] [blame] | 195 | </div> |
| 196 | <div class="sponsor"> |
cristy | 10549a1 | 2011-05-15 19:04:46 +0000 | [diff] [blame] | 197 | <a rel="follow" title="Sponsor: Web Hosting Ratings" href="http://webhostingrating.com">Web Hosting Ratings</a><!-- 201110010720 --> |
cristy | baacd17 | 2011-04-30 23:11:03 +0000 | [diff] [blame] | 198 | </div> |
| 199 | <div class="sponsor"> |
cristy | 0f7728a | 2011-07-08 16:51:28 +0000 | [diff] [blame^] | 200 | <a rel="follow" title="Sponsor: Autoteile Online Shop" href="http://www.autoteile-carparts.de">Autoteile Online Shop</a><!-- 2011080100030 autoteile-Carparts--> |
cristy | ec6b475 | 2011-01-08 03:16:23 +0000 | [diff] [blame] | 201 | </div> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 202 | </div> |
| 203 | </div> |
cristy | ce69bb0 | 2010-07-27 19:49:46 +0000 | [diff] [blame] | 204 | </div>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 205 |
|
cristy | ce69bb0 | 2010-07-27 19:49:46 +0000 | [diff] [blame] | 206 | <div class="eastbar">
|
cristy | 29c5c99 | 2011-06-25 13:58:49 +0000 | [diff] [blame] | 207 | <div style="margin: 9pt 9pt 9pt 9pt;">
|
| 208 | <div class="g-plusone" data-size="standard" data-count="false"></div>
|
| 209 | </div>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 210 | </div>
|
| 211 |
|
| 212 | <div class="main">
|
| 213 |
|
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 214 | <h1>Module effect Methods</h1> |
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 215 | <p class="navigation-index">[<a href="#AdaptiveBlurImage">AdaptiveBlurImage</a> • <a href="#AdaptiveSharpenImage">AdaptiveSharpenImage</a> • <a href="#BlurImage">BlurImage</a> • <a href="#ConvolveImage">ConvolveImage</a> • <a href="#DespeckleImage">DespeckleImage</a> • <a href="#EdgeImage">EdgeImage</a> • <a href="#EmbossImage">EmbossImage</a> • <a href="#FilterImage">FilterImage</a> • <a href="#GaussianBlurImage">GaussianBlurImage</a> • <a href="#MotionBlurImage">MotionBlurImage</a> • <a href="#PreviewImage">PreviewImage</a> • <a href="#RadialBlurImage">RadialBlurImage</a> • <a href="#SelectiveBlurImage">SelectiveBlurImage</a> • <a href="#ShadeImage">ShadeImage</a> • <a href="#SharpenImage">SharpenImage</a> • <a href="#SpreadImage">SpreadImage</a> • <a href="#StatisticImage">StatisticImage</a> • <a href="#UnsharpMaskImage">UnsharpMaskImage</a>]</p> |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 216 | |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 217 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="AdaptiveBlurImage">AdaptiveBlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 218 | <div class="doc-section"> |
| 219 | |
| 220 | <p>AdaptiveBlurImage() adaptively blurs the image by blurring less intensely near image edges and more intensely far from edges. We blur the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and AdaptiveBlurImage() selects a suitable radius for you.</p> |
| 221 | |
| 222 | <p>The format of the AdaptiveBlurImage method is:</p> |
| 223 | |
| 224 | <pre class="code"> |
| 225 | Image *AdaptiveBlurImage(const Image *image,const double radius, |
| 226 | const double sigma,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 227 | </pre> |
| 228 | |
| 229 | <p>A description of each parameter follows:</p> |
| 230 | |
| 231 | <h5>image</h5> |
| 232 | <p>the image.</p> |
| 233 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 234 | <h5>radius</h5> |
| 235 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 236 | |
| 237 | <h5>sigma</h5> |
| 238 | <p>the standard deviation of the Laplacian, in pixels.</p> |
| 239 | |
| 240 | <h5>exception</h5> |
| 241 | <p>return any errors or warnings in this structure.</p> |
| 242 | |
| 243 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 244 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="AdaptiveSharpenImage">AdaptiveSharpenImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 245 | <div class="doc-section"> |
| 246 | |
| 247 | <p>AdaptiveSharpenImage() adaptively sharpens the image by sharpening more intensely near image edges and less intensely far from edges. We sharpen the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and AdaptiveSharpenImage() selects a suitable radius for you.</p> |
| 248 | |
| 249 | <p>The format of the AdaptiveSharpenImage method is:</p> |
| 250 | |
| 251 | <pre class="code"> |
| 252 | Image *AdaptiveSharpenImage(const Image *image,const double radius, |
| 253 | const double sigma,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 254 | </pre> |
| 255 | |
| 256 | <p>A description of each parameter follows:</p> |
| 257 | |
| 258 | <h5>image</h5> |
| 259 | <p>the image.</p> |
| 260 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 261 | <h5>radius</h5> |
| 262 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 263 | |
| 264 | <h5>sigma</h5> |
| 265 | <p>the standard deviation of the Laplacian, in pixels.</p> |
| 266 | |
| 267 | <h5>exception</h5> |
| 268 | <p>return any errors or warnings in this structure.</p> |
| 269 | |
| 270 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 271 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="BlurImage">BlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 272 | <div class="doc-section"> |
| 273 | |
| 274 | <p>BlurImage() blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and BlurImage() selects a suitable radius for you.</p> |
| 275 | |
| 276 | <p>BlurImage() differs from GaussianBlurImage() in that it uses a separable kernel which is faster but mathematically equivalent to the non-separable kernel.</p> |
| 277 | |
| 278 | <p>The format of the BlurImage method is:</p> |
| 279 | |
| 280 | <pre class="code"> |
| 281 | Image *BlurImage(const Image *image,const double radius, |
| 282 | const double sigma,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 283 | </pre> |
| 284 | |
| 285 | <p>A description of each parameter follows:</p> |
| 286 | |
| 287 | <h5>image</h5> |
| 288 | <p>the image.</p> |
| 289 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 290 | <h5>radius</h5> |
| 291 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 292 | |
| 293 | <h5>sigma</h5> |
| 294 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 295 | |
| 296 | <h5>exception</h5> |
| 297 | <p>return any errors or warnings in this structure.</p> |
| 298 | |
| 299 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 300 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="ConvolveImage">ConvolveImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 301 | <div class="doc-section"> |
| 302 | |
| 303 | <p>ConvolveImage() applies a custom convolution kernel to the image.</p> |
| 304 | |
| 305 | <p>The format of the ConvolveImage method is:</p> |
| 306 | |
| 307 | <pre class="code"> |
| 308 | Image *ConvolveImage(const Image *image,const size_t order, |
| 309 | const double *kernel,ExceptionInfo *exception) |
cristy | 0f7728a | 2011-07-08 16:51:28 +0000 | [diff] [blame^] | 310 | A description of each parameter follows: |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 311 | </pre> |
| 312 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 313 | <h5>image</h5> |
| 314 | <p>the image.</p> |
| 315 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 316 | <h5>order</h5> |
| 317 | <p>the number of columns and rows in the filter kernel.</p> |
| 318 | |
| 319 | <h5>kernel</h5> |
| 320 | <p>An array of double representing the convolution kernel.</p> |
| 321 | |
| 322 | <h5>exception</h5> |
| 323 | <p>return any errors or warnings in this structure.</p> |
| 324 | |
| 325 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 326 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="DespeckleImage">DespeckleImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 327 | <div class="doc-section"> |
| 328 | |
| 329 | <p>DespeckleImage() reduces the speckle noise in an image while perserving the edges of the original image.</p> |
| 330 | |
| 331 | <p>The format of the DespeckleImage method is:</p> |
| 332 | |
| 333 | <pre class="code"> |
| 334 | Image *DespeckleImage(const Image *image,ExceptionInfo *exception) |
| 335 | </pre> |
| 336 | |
| 337 | <p>A description of each parameter follows:</p> |
| 338 | |
| 339 | <h5>image</h5> |
| 340 | <p>the image.</p> |
| 341 | |
| 342 | <h5>exception</h5> |
| 343 | <p>return any errors or warnings in this structure.</p> |
| 344 | |
| 345 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 346 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="EdgeImage">EdgeImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 347 | <div class="doc-section"> |
| 348 | |
| 349 | <p>EdgeImage() finds edges in an image. Radius defines the radius of the convolution filter. Use a radius of 0 and EdgeImage() selects a suitable radius for you.</p> |
| 350 | |
| 351 | <p>The format of the EdgeImage method is:</p> |
| 352 | |
| 353 | <pre class="code"> |
| 354 | Image *EdgeImage(const Image *image,const double radius, |
| 355 | ExceptionInfo *exception) |
| 356 | </pre> |
| 357 | |
| 358 | <p>A description of each parameter follows:</p> |
| 359 | |
| 360 | <h5>image</h5> |
| 361 | <p>the image.</p> |
| 362 | |
| 363 | <h5>radius</h5> |
| 364 | <p>the radius of the pixel neighborhood.</p> |
| 365 | |
| 366 | <h5>exception</h5> |
| 367 | <p>return any errors or warnings in this structure.</p> |
| 368 | |
| 369 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 370 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="EmbossImage">EmbossImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 371 | <div class="doc-section"> |
| 372 | |
| 373 | <p>EmbossImage() returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and Emboss() selects a suitable radius for you.</p> |
| 374 | |
| 375 | <p>The format of the EmbossImage method is:</p> |
| 376 | |
| 377 | <pre class="code"> |
| 378 | Image *EmbossImage(const Image *image,const double radius, |
| 379 | const double sigma,ExceptionInfo *exception) |
| 380 | </pre> |
| 381 | |
| 382 | <p>A description of each parameter follows:</p> |
| 383 | |
| 384 | <h5>image</h5> |
| 385 | <p>the image.</p> |
| 386 | |
| 387 | <h5>radius</h5> |
| 388 | <p>the radius of the pixel neighborhood.</p> |
| 389 | |
| 390 | <h5>sigma</h5> |
| 391 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 392 | |
| 393 | <h5>exception</h5> |
| 394 | <p>return any errors or warnings in this structure.</p> |
| 395 | |
| 396 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 397 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="FilterImage">FilterImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 398 | <div class="doc-section"> |
| 399 | |
| 400 | <p>FilterImage() applies a custom convolution kernel to the image.</p> |
| 401 | |
| 402 | <p>The format of the FilterImage method is:</p> |
| 403 | |
| 404 | <pre class="code"> |
| 405 | Image *FilterImage(const Image *image,const KernelInfo *kernel, |
| 406 | ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 407 | </pre> |
| 408 | |
| 409 | <p>A description of each parameter follows:</p> |
| 410 | |
| 411 | <h5>image</h5> |
| 412 | <p>the image.</p> |
| 413 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 414 | <h5>kernel</h5> |
| 415 | <p>the filtering kernel.</p> |
| 416 | |
| 417 | <h5>exception</h5> |
| 418 | <p>return any errors or warnings in this structure.</p> |
| 419 | |
| 420 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 421 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="GaussianBlurImage">GaussianBlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 422 | <div class="doc-section"> |
| 423 | |
| 424 | <p>GaussianBlurImage() blurs an image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, the radius should be larger than sigma. Use a radius of 0 and GaussianBlurImage() selects a suitable radius for you</p> |
| 425 | |
| 426 | <p>The format of the GaussianBlurImage method is:</p> |
| 427 | |
| 428 | <pre class="code"> |
| 429 | Image *GaussianBlurImage(const Image *image,onst double radius, |
| 430 | const double sigma,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 431 | </pre> |
| 432 | |
| 433 | <p>A description of each parameter follows:</p> |
| 434 | |
| 435 | <h5>image</h5> |
| 436 | <p>the image.</p> |
| 437 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 438 | <h5>radius</h5> |
| 439 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 440 | |
| 441 | <h5>sigma</h5> |
| 442 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 443 | |
| 444 | <h5>exception</h5> |
| 445 | <p>return any errors or warnings in this structure.</p> |
| 446 | |
| 447 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 448 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="MotionBlurImage">MotionBlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 449 | <div class="doc-section"> |
| 450 | |
| 451 | <p>MotionBlurImage() simulates motion blur. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and MotionBlurImage() selects a suitable radius for you. Angle gives the angle of the blurring motion.</p> |
| 452 | |
| 453 | <p>Andrew Protano contributed this effect.</p> |
| 454 | |
| 455 | <p>The format of the MotionBlurImage method is:</p> |
| 456 | |
| 457 | <pre class="code"> |
| 458 | Image *MotionBlurImage(const Image *image,const double radius, |
| 459 | const double sigma,const double angle,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 460 | </pre> |
| 461 | |
| 462 | <p>A description of each parameter follows:</p> |
| 463 | |
| 464 | <h5>image</h5> |
| 465 | <p>the image.</p> |
| 466 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 467 | <h5>radius</h5> |
| 468 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 469 | |
| 470 | <h5>sigma</h5> |
| 471 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 472 | |
| 473 | <h5>angle</h5> |
| 474 | <p>Apply the effect along this angle.</p> |
| 475 | |
| 476 | <h5>exception</h5> |
| 477 | <p>return any errors or warnings in this structure.</p> |
| 478 | |
| 479 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 480 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="PreviewImage">PreviewImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 481 | <div class="doc-section"> |
| 482 | |
| 483 | <p>PreviewImage() tiles 9 thumbnails of the specified image with an image processing operation applied with varying parameters. This may be helpful pin-pointing an appropriate parameter for a particular image processing operation.</p> |
| 484 | |
| 485 | <p>The format of the PreviewImages method is:</p> |
| 486 | |
| 487 | <pre class="code"> |
| 488 | Image *PreviewImages(const Image *image,const PreviewType preview, |
| 489 | ExceptionInfo *exception) |
| 490 | </pre> |
| 491 | |
| 492 | <p>A description of each parameter follows:</p> |
| 493 | |
| 494 | <h5>image</h5> |
| 495 | <p>the image.</p> |
| 496 | |
| 497 | <h5>preview</h5> |
| 498 | <p>the image processing operation.</p> |
| 499 | |
| 500 | <h5>exception</h5> |
| 501 | <p>return any errors or warnings in this structure.</p> |
| 502 | |
| 503 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 504 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="RadialBlurImage">RadialBlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 505 | <div class="doc-section"> |
| 506 | |
| 507 | <p>RadialBlurImage() applies a radial blur to the image.</p> |
| 508 | |
| 509 | <p>Andrew Protano contributed this effect.</p> |
| 510 | |
| 511 | <p>The format of the RadialBlurImage method is:</p> |
| 512 | |
| 513 | <pre class="code"> |
| 514 | Image *RadialBlurImage(const Image *image,const double angle, |
| 515 | ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 516 | </pre> |
| 517 | |
| 518 | <p>A description of each parameter follows:</p> |
| 519 | |
| 520 | <h5>image</h5> |
| 521 | <p>the image.</p> |
| 522 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 523 | <h5>angle</h5> |
| 524 | <p>the angle of the radial blur.</p> |
| 525 | |
| 526 | <h5>exception</h5> |
| 527 | <p>return any errors or warnings in this structure.</p> |
| 528 | |
| 529 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 530 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="SelectiveBlurImage">SelectiveBlurImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 531 | <div class="doc-section"> |
| 532 | |
| 533 | <p>SelectiveBlurImage() selectively blur pixels within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.</p> |
| 534 | |
| 535 | <p>The format of the SelectiveBlurImage method is:</p> |
| 536 | |
| 537 | <pre class="code"> |
| 538 | Image *SelectiveBlurImage(const Image *image,const double radius, |
| 539 | const double sigma,const double threshold,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 540 | </pre> |
| 541 | |
| 542 | <p>A description of each parameter follows:</p> |
| 543 | |
| 544 | <h5>image</h5> |
| 545 | <p>the image.</p> |
| 546 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 547 | <h5>radius</h5> |
| 548 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 549 | |
| 550 | <h5>sigma</h5> |
| 551 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 552 | |
| 553 | <h5>threshold</h5> |
| 554 | <p>only pixels within this contrast threshold are included in the blur operation.</p> |
| 555 | |
| 556 | <h5>exception</h5> |
| 557 | <p>return any errors or warnings in this structure.</p> |
| 558 | |
| 559 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 560 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="ShadeImage">ShadeImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 561 | <div class="doc-section"> |
| 562 | |
| 563 | <p>ShadeImage() shines a distant light on an image to create a three-dimensional effect. You control the positioning of the light with azimuth and elevation; azimuth is measured in degrees off the x axis and elevation is measured in pixels above the Z axis.</p> |
| 564 | |
| 565 | <p>The format of the ShadeImage method is:</p> |
| 566 | |
| 567 | <pre class="code"> |
| 568 | Image *ShadeImage(const Image *image,const MagickBooleanType gray, |
| 569 | const double azimuth,const double elevation,ExceptionInfo *exception) |
| 570 | </pre> |
| 571 | |
| 572 | <p>A description of each parameter follows:</p> |
| 573 | |
| 574 | <h5>image</h5> |
| 575 | <p>the image.</p> |
| 576 | |
| 577 | <h5>gray</h5> |
| 578 | <p>A value other than zero shades the intensity of each pixel.</p> |
| 579 | |
| 580 | <h5>azimuth, elevation</h5> |
| 581 | <p>Define the light source direction.</p> |
| 582 | |
| 583 | <h5>exception</h5> |
| 584 | <p>return any errors or warnings in this structure.</p> |
| 585 | |
| 586 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 587 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="SharpenImage">SharpenImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 588 | <div class="doc-section"> |
| 589 | |
| 590 | <p>SharpenImage() sharpens the image. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and SharpenImage() selects a suitable radius for you.</p> |
| 591 | |
| 592 | <p>Using a separable kernel would be faster, but the negative weights cancel out on the corners of the kernel producing often undesirable ringing in the filtered result; this can be avoided by using a 2D gaussian shaped image sharpening kernel instead.</p> |
| 593 | |
| 594 | <p>The format of the SharpenImage method is:</p> |
| 595 | |
| 596 | <pre class="code"> |
| 597 | Image *SharpenImage(const Image *image,const double radius, |
| 598 | const double sigma,ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 599 | </pre> |
| 600 | |
| 601 | <p>A description of each parameter follows:</p> |
| 602 | |
| 603 | <h5>image</h5> |
| 604 | <p>the image.</p> |
| 605 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 606 | <h5>radius</h5> |
| 607 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 608 | |
| 609 | <h5>sigma</h5> |
| 610 | <p>the standard deviation of the Laplacian, in pixels.</p> |
| 611 | |
| 612 | <h5>exception</h5> |
| 613 | <p>return any errors or warnings in this structure.</p> |
| 614 | |
| 615 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 616 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="SpreadImage">SpreadImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 617 | <div class="doc-section"> |
| 618 | |
| 619 | <p>SpreadImage() is a special effects method that randomly displaces each pixel in a block defined by the radius parameter.</p> |
| 620 | |
| 621 | <p>The format of the SpreadImage method is:</p> |
| 622 | |
| 623 | <pre class="code"> |
| 624 | Image *SpreadImage(const Image *image,const double radius, |
| 625 | ExceptionInfo *exception) |
| 626 | </pre> |
| 627 | |
| 628 | <p>A description of each parameter follows:</p> |
| 629 | |
| 630 | <h5>image</h5> |
| 631 | <p>the image.</p> |
| 632 | |
| 633 | <h5>radius</h5> |
| 634 | <p>Choose a random pixel in a neighborhood of this extent.</p> |
| 635 | |
| 636 | <h5>exception</h5> |
| 637 | <p>return any errors or warnings in this structure.</p> |
| 638 | |
| 639 | </div> |
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 640 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="StatisticImage">StatisticImage</a></h2> |
| 641 | <div class="doc-section"> |
| 642 | |
| 643 | <p>StatisticImage() makes each pixel the min / max / median / mode / etc. of the neighborhood of the specified width and height.</p> |
| 644 | |
| 645 | <p>The format of the StatisticImage method is:</p> |
| 646 | |
| 647 | <pre class="code"> |
| 648 | Image *StatisticImage(const Image *image,const StatisticType type, |
| 649 | const size_t width,const size_t height,ExceptionInfo *exception) |
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 650 | </pre> |
| 651 | |
| 652 | <p>A description of each parameter follows:</p> |
| 653 | |
| 654 | <h5>image</h5> |
| 655 | <p>the image.</p> |
| 656 | |
cristy | b52981c | 2011-03-19 17:09:31 +0000 | [diff] [blame] | 657 | <h5>type</h5> |
| 658 | <p>the statistic type (median, mode, etc.).</p> |
| 659 | |
| 660 | <h5>width</h5> |
| 661 | <p>the width of the pixel neighborhood.</p> |
| 662 | |
| 663 | <h5>height</h5> |
| 664 | <p>the height of the pixel neighborhood.</p> |
| 665 | |
| 666 | <h5>exception</h5> |
| 667 | <p>return any errors or warnings in this structure.</p> |
| 668 | |
| 669 | </div> |
cristy | 350dea4 | 2011-02-15 17:31:04 +0000 | [diff] [blame] | 670 | <h2><a href="http://www.imagemagick.org/api/MagickCore/effect_8c.html" id="UnsharpMaskImage">UnsharpMaskImage</a></h2> |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 671 | <div class="doc-section"> |
| 672 | |
| 673 | <p>UnsharpMaskImage() sharpens one or more image channels. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and UnsharpMaskImage() selects a suitable radius for you.</p> |
| 674 | |
| 675 | <p>The format of the UnsharpMaskImage method is:</p> |
| 676 | |
| 677 | <pre class="code"> |
| 678 | Image *UnsharpMaskImage(const Image *image,const double radius, |
| 679 | const double sigma,const double amount,const double threshold, |
| 680 | ExceptionInfo *exception) |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 681 | </pre> |
| 682 | |
| 683 | <p>A description of each parameter follows:</p> |
| 684 | |
| 685 | <h5>image</h5> |
| 686 | <p>the image.</p> |
| 687 | |
cristy | 6f77f69 | 2011-02-15 15:31:39 +0000 | [diff] [blame] | 688 | <h5>radius</h5> |
| 689 | <p>the radius of the Gaussian, in pixels, not counting the center pixel.</p> |
| 690 | |
| 691 | <h5>sigma</h5> |
| 692 | <p>the standard deviation of the Gaussian, in pixels.</p> |
| 693 | |
| 694 | <h5>amount</h5> |
| 695 | <p>the percentage of the difference between the original and the blur image that is added back into the original.</p> |
| 696 | |
| 697 | <h5>threshold</h5> |
| 698 | <p>the threshold in pixels needed to apply the diffence amount.</p> |
| 699 | |
| 700 | <h5>exception</h5> |
| 701 | <p>return any errors or warnings in this structure.</p> |
| 702 | |
| 703 | </div> |
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 704 |
|
| 705 | </div>
|
| 706 |
|
| 707 | <div id="linkbar">
|
cristy | ce69bb0 | 2010-07-27 19:49:46 +0000 | [diff] [blame] | 708 | <span id="linkbar-west"> </span>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 709 | <span id="linkbar-center">
|
| 710 | <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> •
|
cristy | a890294 | 2010-07-30 00:49:52 +0000 | [diff] [blame] | 711 | <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 712 | </span>
|
| 713 | <span id="linkbar-east"> </span>
|
| 714 | </div>
|
| 715 | <div class="footer">
|
cristy | 4103d56 | 2010-12-10 01:38:54 +0000 | [diff] [blame] | 716 | <span id="footer-west">© 1999-2011 ImageMagick Studio LLC</span>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 717 | <span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
|
| 718 | </div>
|
| 719 | <div style="clear: both; margin: 0; width: 100%; "></div>
|
cristy | a890294 | 2010-07-30 00:49:52 +0000 | [diff] [blame] | 720 | <script type="text/javascript">
|
| 721 | var _gaq = _gaq || [];
|
| 722 | _gaq.push(['_setAccount', 'UA-17690367-1']);
|
| 723 | _gaq.push(['_trackPageview']);
|
| 724 |
|
| 725 | (function() {
|
| 726 | var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
|
| 727 | ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
|
| 728 | var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
|
| 729 | })();
|
| 730 | </script>
|
cristy | 3eaa0ef | 2010-03-06 20:35:26 +0000 | [diff] [blame] | 731 | </body>
|
| 732 | </html>
|