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gerrit-public.fairphone.software / platform / external / ImageMagick / 751980dac8acbf24b155ae0d3b45fdf4c452f55c / . / www / api / composite.html
blob: 244f5945bd9bf7861d4e906120736e0e99449687 [file] [log] [blame]
cristydcca3fa2010-12-29 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">
cristy2bd2a982011-02-15 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">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]8<head>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]9 <meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
cristy1efc1ab2011-08-01 14:47:02 +0000[diff] [blame]10 <meta name="google-site-verification" content="MxsMq6bdLOx0KSuz1MY6yG9ZTIJ7_7DVRfl5NCAT5Yg"/>
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]11 <title>ImageMagick: MagickCore, C API for ImageMagick: Composite an Image</title>
cristy751980d2012-06-03 23:18:35 +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"/>
15 <meta name="application-name" content="ImageMagick"/>
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."/>
17 <meta name="application-url" content="http://www.imagemagick.org"/>
18 <meta name="generator" content="PHP"/>
19 <meta name="keywords" content="magickcore, c, api, for, imagemagick:, composite, an, image, ImageMagick, PerlMagick, image processing, OpenMP, software development library, image, photo, software, Magick++, MagickWand"/>
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"/>
26 <meta name="copyright" content="Copyright (c) 1999-2012 ImageMagick Studio LLC"/>
27 <meta name="distribution" content="Global"/>
28 <link rel="icon" href="../../../../../../../../../../../../../../../../images/wand.png"/>
29 <link rel="shortcut icon" href="../../../../../../../../../../../../../../../../images/wand.ico" type="images/x-icon"/>
cristy29c5c992011-06-25 13:58:49 +0000[diff] [blame]30 <link rel="canonical" href="http://www.imagemagick.org" />
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]31 <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]32 <!-- Add jQuery library -->
33 <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.min.js"></script>
34
35 <!-- Optionaly include easing and/or mousewheel plugins -->
36 <script type="text/javascript" src="http://www.imagemagick.org/fancybox/jquery.easing-1.3.pack.js"></script>
37 <script type="text/javascript" src="http://www.imagemagick.org/fancybox/jquery.mousewheel-3.0.6.pack.js"></script>
38
39 <!-- Add fancyBox -->
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]40 <link rel="stylesheet" href="http://www.imagemagick.org/fancybox/jquery.fancybox.css?v=2.0.4" type="text/css" media="screen" />
41 <script type="text/javascript" src="http://www.imagemagick.org/fancybox/jquery.fancybox.pack.js?v=2.0.4"></script>
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]42
43 <!-- Optionaly include button and/or thumbnail helpers -->
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]44 <link rel="stylesheet" href="http://www.imagemagick.org/fancybox/helpers/jquery.fancybox-buttons.css?v=2.0.4" type="text/css" media="screen" />
45 <script type="text/javascript" src="http://www.imagemagick.org/fancybox/helpers/jquery.fancybox-buttons.js?v=2.0.4"></script>
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]46
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]47 <link rel="stylesheet" href="http://www.imagemagick.org/fancybox/helpers/jquery.fancybox-thumbs.css?v=2.0.4" type="text/css" media="screen" />
48 <script type="text/javascript" src="http://www.imagemagick.org/fancybox/helpers/jquery.fancybox-thumbs.js?v=2.0.4"></script>
cristyeed6cb62012-01-28 19:38:34 +0000[diff] [blame]49 <script type="text/javascript">
50 $(document).ready(function() {
51 $(".fancybox").fancybox();
52 });
53 </script>
54 <!-- ImageMagick style -->
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]55 <link rel="stylesheet" href="http://www.google.com/cse/style/look/default.css" type="text/css" />
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]56 <style type="text/css" media="all">
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]57 @import url("../../../../../../../../../../../../../../../../www/magick.css");
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]58 </style>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]59</head>
60
61<body id="www-imagemagick-org">
62<div class="titlebar">
cristyb52981c2011-03-19 17:09:31 +0000[diff] [blame]63<div style="margin: 17px auto; float: left;">
64 <script type="text/javascript">
65 <!--
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75</div>
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77 <img src="../../../../../../../../../../../../../../../../images/logo.jpg"
cristyaf8d6652011-02-04 21:57:45 +0000[diff] [blame]78 alt="ImageMagick Logo"
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81 <img src="../../../../../../../../../../../../../../../../images/sprite.jpg"
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84</div>
85
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237<div class="main">
238
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]239<h1>Module composite Methods</h1>
cristy751980d2012-06-03 23:18:35 +0000[diff] [blame^]240<p class="navigation-index">[<a href="composite.html#CompositeImageChannel">CompositeImageChannel</a> &bull; <a href="composite.html#TextureImage">TextureImage</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]241
cristy20398432011-08-11 01:31:50 +0000[diff] [blame]242<h2><a href="http://www.imagemagick.org/api/MagickCore/composite_8c.html" id="CompositeImageChannel">CompositeImageChannel</a></h2>
243<div class="doc-section">
244
245<p>CompositeImageChannel() returns the second image composited onto the first at the specified offset, using the specified composite method.</p>
246
247<p>The format of the CompositeImageChannel method is:</p>
248
249<pre class="code">
250 MagickBooleanType CompositeImage(Image *image,
251 const CompositeOperator compose,Image *composite_image,
252 const ssize_t x_offset,const ssize_t y_offset)
253 MagickBooleanType CompositeImageChannel(Image *image,
254 const ChannelType channel,const CompositeOperator compose,
255 Image *composite_image,const ssize_t x_offset,const ssize_t y_offset)
256</pre>
257
258<p>A description of each parameter follows:</p>
259
260<h5>image</h5>
261<p>the destination image, modified by he composition</p>
262
263<h5>channel</h5>
264<p>the channel.</p>
265
266<h5>compose</h5>
267<p>This operator affects how the composite is applied to the image. The operators and how they are utilized are listed here http://www.w3.org/TR/SVG12/#compositing.</p>
268
269<h5>composite_image</h5>
270<p>the composite (source) image.</p>
271
272<h5>x_offset</h5>
273<p>the column offset of the composited image.</p>
274
275<h5>y_offset</h5>
276<p>the row offset of the composited image.</p>
277
278<p>Extra Controls from Image meta-data in 'composite_image' (artifacts)</p>
279
280<p>o "compose:args" A string containing extra numerical arguments for specific compose methods, generally expressed as a 'geometry' or a comma separated list of numbers.</p>
281
282<p>Compose methods needing such arguments include "BlendCompositeOp" and "DisplaceCompositeOp".</p>
283
284<p>o "compose:outside-overlay" Modify how the composition is to effect areas not directly covered by the 'composite_image' at the offset given. Normally this is dependant on the 'compose' method, especially Duff-Porter methods.</p>
285
286<p>If set to "false" then disable all normal handling of pixels not covered by the composite_image. Typically used for repeated tiling of the composite_image by the calling API.</p>
287
288<p>Previous to IM v6.5.3-3 this was called "modify-outside-overlay"</p>
289
290 </div>
291<h2><a href="http://www.imagemagick.org/api/MagickCore/composite_8c.html" id="TextureImage">TextureImage</a></h2>
292<div class="doc-section">
293
294<p>TextureImage() repeatedly tiles the texture image across and down the image canvas.</p>
295
296<p>The format of the TextureImage method is:</p>
297
298<pre class="code">
299 MagickBooleanType TextureImage(Image *image,const Image *texture)
300</pre>
301
302<p>A description of each parameter follows:</p>
303
304<h5>image</h5>
305<p>the image.</p>
306
307<h5>texture</h5>
308<p>This image is the texture to layer on the background.</p>
309
310 </div>
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