Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / external / ImageMagick / 811f517641855dd51e55a1480a713ce25c084336 / . / www / api / resize.html
blob: 64fcedea49e159dddb9121dad328c790e3a0a141 [file] [log] [blame]
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
cristy2c839602010-04-03 02:32:08 +0000[diff] [blame]3<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]4<head>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
6 <meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]7 <title>ImageMagick: MagickCore, C API for ImageMagick: Resize an Image</title>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]8 <meta http-equiv="Content-Language" content="en-US"/>
9 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
10 <meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]11 <meta name="Application-name" content="ImageMagick"/>
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]12 <meta name="Description" content="ImageMagick is a software suite to create, edit, or compose bitmap images in a variety of formats. Use ImageMagick to scale, rotate, shear, distort and transform images."/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]13 <meta name="Application-url" content="http://www.imagemagick.org"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]14 <meta name="Generator" content="PHP"/>
15 <meta name="Keywords" content="magickcore, c, api, for, imagemagick:, resize, an, image, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Swiss, Army, Knife, Image, Processing"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]16 <meta name="Rating" content="GENERAL"/>
17 <meta name="Robots" content="INDEX, FOLLOW"/>
18 <meta name="Generator" content="ImageMagick Studio LLC"/>
19 <meta name="Author" content="ImageMagick Studio LLC"/>
20 <meta name="Revisit-after" content="2 DAYS"/>
21 <meta name="Resource-type" content="document"/>
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]22 <meta name="Copyright" content="Copyright (c) 1999-2011 ImageMagick Studio LLC"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]23 <meta name="Distribution" content="Global"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]24 <link rel="icon" href="../../images/wand.png" sizes="32x32"/>
25 <link rel="shortcut icon" href="../../images/wand.ico" type="images/x-icon"/>
26 <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
27 <style type="text/css" media="all">
28 @import url("../../www/magick.css");
29 </style>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]30</head>
31
32<body id="www-imagemagick-org">
33<div class="titlebar">
34<a href="../../index.html">
35 <img src="../../images/script.png" alt="[ImageMagick]"
36 style="width: 350px; height: 60px; margin: 28px auto; float: left;" /></a>
37<a href="http://www.networkredux.com">
38 <img src="../../images/networkredux.png" alt="[sponsor]"
39 style="margin: 45px auto; border: 0px; float: left;" /></a>
40<a href="http://www.imagemagick.org/discourse-server/">
41 <img src="../../images/logo.jpg" alt=""
42 style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
43<a href="../../index.html">
44 <img src="../../images/sprite.jpg" alt=""
45 style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
46</div>
47
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]48<div class="westbar">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]49
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]50<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]51 <a title="About ImageMagick" href="../../index.html">About ImageMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]52</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]53<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]54<div class="menu">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]55 <a title="Binary Releases" href="../../www/binary-releases.html">Binary Releases</a>
56</div>
57<div class="sub">
58 <a title="Binary Release: Unix" href="../../www/binary-releases.html#unix">Unix</a>
59</div>
60<div class="sub">
61 <a title="Binary Release: MacOS X" href="../../www/binary-releases.html#macosx">Mac OS X</a>
62</div>
63<div class="sub">
64 <a title="Binary Release: Windows" href="../../www/binary-releases.html#windows">Windows</a>
65</div>
66<div class="sep"></div>
67<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]68 <a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]69</div>
70<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]71 <a title="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]72</div>
73<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]74 <a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]75</div>
76<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]77 <a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]78</div>
79<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]80 <a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]81</div>
82<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]83 <a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]84</div>
85<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]86 <a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]87</div>
88<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]89 <a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]90</div>
91<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]92 <a title="Program Interface: Magick++" href="../../Magick++/">Magick++</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]93</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]94<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]95<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]96 <a title="Install from Source" href="../../www/install-source.html">Install from Source</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]97</div>
98<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]99 <a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]100</div>
101<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]102 <a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]103 </div>
104<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]105 <a title="Resources" href="../../www/resources.html">Resources</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]106</div>
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]107<div class="menu">
108 <a title="Architecture" href="../../www/architecture.html">Architecture</a>
109</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]110<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]111 <a title="Download" href="../../www/download.html">Download</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]112</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]113<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]114<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]115 <a title="Search" href="../http://www.imagemagick.org/script/search.php">Search</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]116</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]117<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]118<div class="menu">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]119 <a title="Site Map" href="../../www/sitemap.html">Site Map</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]120</div>
121<div class="sub">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]122 <a title="Site Map: Links" href="../../www/links.html">Links</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]123</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]124<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]125<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]126 <a title="Sponsors" href="../../www/sponsors.html">Sponsors:</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]127
128<div class="sponsbox">
129<div class="sponsor">
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]130 <a title="Sponsor: Fernsehdienst Berlin" href="http://www.atlas-multimedia.de">Fernsehdienst Berlin</a><!-- 2011040100025 atlas.multimedia-->
cristy7d52cd62010-10-01 17:26:59 +0000[diff] [blame]131</div>
132<div class="sponsor">
133 <a title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
cristy73fd1cd2010-09-12 19:14:25 +0000[diff] [blame]134</div>
135<div class="sponsor">
cristyc5baf4f2010-08-31 15:05:33 +0000[diff] [blame]136 <a title="Sponsor: Image Converter" href="http://www.batchphoto.com">Image Converter</a><!-- 201103010900 Bits Coffee-->
137</div>
138<div class="sponsor">
cristy851dbce2010-08-06 21:40:00 +0000[diff] [blame]139 <a title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
140</div>
141<div class="sponsor">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]142 <a title="Sponsor: Webdesign Agentur" href="http://www.ventzke-partner.de">Webdesign Agentur</a><!-- 201101010480 invendio.de-->
cristy8f900122010-03-05 15:26:31 +0000[diff] [blame]143</div>
144<div class="sponsor">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]145 <a title="Sponsor: LVM Versicherung" href="http://www.neu-reich.de">LVM Versicherung</a><!-- 201101010480 -->
cristy1f9e1ed2009-11-18 04:09:38 +0000[diff] [blame]146</div>
147<div class="sponsor">
cristyc5baf4f2010-08-31 15:05:33 +0000[diff] [blame]148 <a title="Sponsor: Diamonds are a Girls Best Friend" href="http://www.schmuck.org">Diamonds are a Girls Best Friend</a><!-- 201101010600 Peterssen-->
cristyb4c03bb2009-09-27 13:55:46 +0000[diff] [blame]149</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]150</div>
151</div>
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]152</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]153
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]154<div class="eastbar">
155 <script type="text/javascript">
156 <!--
157 google_ad_client = "pub-3129977114552745";
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]158 google_ad_slot = "0574824969";
159 google_ad_width = 160;
160 google_ad_height = 600;
161 //-->
162 </script>
163 <script type="text/javascript"
164 src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
165 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]166</div>
167
168<div class="main">
169
cristy307ba182010-12-25 01:00:34 +0000[diff] [blame]170<h1>Module resize
171 Methods</h1>
cristy73fd1cd2010-09-12 19:14:25 +0000[diff] [blame]172<p class="navigation-index">[<a href="#AdaptiveResizeImage">AdaptiveResizeImage</a> &bull; <a href="#MagnifyImage">MagnifyImage</a> &bull; <a href="#MinifyImage">MinifyImage</a> &bull; <a href="#ResampleImage">ResampleImage</a> &bull; <a href="#LiquidRescaleImage">LiquidRescaleImage</a> &bull; <a href="#ResizeImage">ResizeImage</a> &bull; <a href="#SampleImage">SampleImage</a> &bull; <a href="#ScaleImage">ScaleImage</a> &bull; <a href="#ThumbnailImage">ThumbnailImage</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]173
174<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
175_8c.html" target="source" name="AdaptiveResizeImage">AdaptiveResizeImage</a></h2>
176<div class="doc-section">
177
178<p>AdaptiveResizeImage() adaptively resize image with pixel resampling.</p></ol>
179
180<p>The format of the AdaptiveResizeImage method is:</p>
181
182<pre class="code">
cristybc9539a2010-08-16 18:06:20 +0000[diff] [blame]183 Image *AdaptiveResizeImage(const Image *image,const size_t columns,
184 const size_t rows,ExceptionInfo *exception)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]185</pre>
186
187<p>A description of each parameter follows:</p></ol>
188
189<h5>image</h5>
190<ol><p>the image.</p></ol>
191
192<h5>columns</h5>
193<ol><p>the number of columns in the resized image.</p></ol>
194
195<h5>rows</h5>
196<ol><p>the number of rows in the resized image.</p></ol>
197
198<h5>exception</h5>
199<ol><p>return any errors or warnings in this structure.</p></ol>
200
201 </div>
202<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
203_8c.html" target="source" name="MagnifyImage">MagnifyImage</a></h2>
204<div class="doc-section">
205
206<p>MagnifyImage() is a convenience method that scales an image proportionally to twice its size.</p></ol>
207
208<p>The format of the MagnifyImage method is:</p>
209
210<pre class="code">
211 Image *MagnifyImage(const Image *image,ExceptionInfo *exception)
212</pre>
213
214<p>A description of each parameter follows:</p></ol>
215
216<h5>image</h5>
217<ol><p>the image.</p></ol>
218
219<h5>exception</h5>
220<ol><p>return any errors or warnings in this structure.</p></ol>
221
222 </div>
223<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
224_8c.html" target="source" name="MinifyImage">MinifyImage</a></h2>
225<div class="doc-section">
226
227<p>MinifyImage() is a convenience method that scales an image proportionally to half its size.</p></ol>
228
229<p>The format of the MinifyImage method is:</p>
230
231<pre class="code">
232 Image *MinifyImage(const Image *image,ExceptionInfo *exception)
233</pre>
234
235<p>A description of each parameter follows:</p></ol>
236
237<h5>image</h5>
238<ol><p>the image.</p></ol>
239
240<h5>exception</h5>
241<ol><p>return any errors or warnings in this structure.</p></ol>
242
243 </div>
244<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
245_8c.html" target="source" name="ResampleImage">ResampleImage</a></h2>
246<div class="doc-section">
247
248<p>ResampleImage() resize image in terms of its pixel size, so that when displayed at the given resolution it will be the same size in terms of real world units as the original image at the original resolution.</p></ol>
249
250<p>The format of the ResampleImage method is:</p>
251
252<pre class="code">
253 Image *ResampleImage(Image *image,const double x_resolution,
254 const double y_resolution,const FilterTypes filter,const double blur,
255 ExceptionInfo *exception)
256</pre>
257
258<p>A description of each parameter follows:</p></ol>
259
260<h5>image</h5>
261<ol><p>the image to be resized to fit the given resolution.</p></ol>
262
263<h5>x_resolution</h5>
264<ol><p>the new image x resolution.</p></ol>
265
266<h5>y_resolution</h5>
267<ol><p>the new image y resolution.</p></ol>
268
269<h5>filter</h5>
270<ol><p>Image filter to use.</p></ol>
271
272<h5>blur</h5>
273<ol><p>the blur factor where > 1 is blurry, < 1 is sharp.</p></ol>
274
275 </div>
276<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
277_8c.html" target="source" name="LiquidRescaleImage">LiquidRescaleImage</a></h2>
278<div class="doc-section">
279
280<p>LiquidRescaleImage() rescales image with seam carving.</p></ol>
281
282<p>The format of the LiquidRescaleImage method is:</p>
283
284<pre class="code">
285 Image *LiquidRescaleImage(const Image *image,
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]286 const size_t columns,const size_t rows,
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]287 const double delta_x,const double rigidity,ExceptionInfo *exception)
288</pre>
289
290<p>A description of each parameter follows:</p></ol>
291
292<h5>image</h5>
293<ol><p>the image.</p></ol>
294
295<h5>columns</h5>
296<ol><p>the number of columns in the rescaled image.</p></ol>
297
298<h5>rows</h5>
299<ol><p>the number of rows in the rescaled image.</p></ol>
300
301<h5>delta_x</h5>
302<ol><p>maximum seam transversal step (0 means straight seams).</p></ol>
303
304<h5>rigidity</h5>
305<ol><p>introduce a bias for non-straight seams (typically 0).</p></ol>
306
307<h5>exception</h5>
308<ol><p>return any errors or warnings in this structure.</p></ol>
309
310 </div>
311<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
312_8c.html" target="source" name="ResizeImage">ResizeImage</a></h2>
313<div class="doc-section">
314
cristy73fd1cd2010-09-12 19:14:25 +0000[diff] [blame]315<p>ResizeImage() scales an image to the desired dimensions, using the given filter (see AcquireFilterInfo()).</p></ol>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]316
317<p>If an undefined filter is given the filter defaults to Mitchell for a colormapped image, a image with a matte channel, or if the image is enlarged. Otherwise the filter defaults to a Lanczos.</p></ol>
318
319<p>ResizeImage() was inspired by Paul Heckbert's "zoom" program.</p></ol>
320
321<p>The format of the ResizeImage method is:</p>
322
323<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]324 Image *ResizeImage(Image *image,const size_t columns,
325 const size_t rows,const FilterTypes filter,const double blur,
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]326 ExceptionInfo *exception)
327</pre>
328
329<p>A description of each parameter follows:</p></ol>
330
331<h5>image</h5>
332<ol><p>the image.</p></ol>
333
334<h5>columns</h5>
335<ol><p>the number of columns in the scaled image.</p></ol>
336
337<h5>rows</h5>
338<ol><p>the number of rows in the scaled image.</p></ol>
339
340<h5>filter</h5>
341<ol><p>Image filter to use.</p></ol>
342
343<h5>blur</h5>
cristybc9539a2010-08-16 18:06:20 +0000[diff] [blame]344<ol><p>the blur factor where > 1 is blurry, < 1 is sharp. Typically set this to 1.0.</p></ol>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]345
346<h5>exception</h5>
347<ol><p>return any errors or warnings in this structure.</p></ol>
348
349 </div>
350<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
351_8c.html" target="source" name="SampleImage">SampleImage</a></h2>
352<div class="doc-section">
353
354<p>SampleImage() scales an image to the desired dimensions with pixel sampling. Unlike other scaling methods, this method does not introduce any additional color into the scaled image.</p></ol>
355
356<p>The format of the SampleImage method is:</p>
357
358<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]359 Image *SampleImage(const Image *image,const size_t columns,
360 const size_t rows,ExceptionInfo *exception)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]361</pre>
362
363<p>A description of each parameter follows:</p></ol>
364
365<h5>image</h5>
366<ol><p>the image.</p></ol>
367
368<h5>columns</h5>
369<ol><p>the number of columns in the sampled image.</p></ol>
370
371<h5>rows</h5>
372<ol><p>the number of rows in the sampled image.</p></ol>
373
374<h5>exception</h5>
375<ol><p>return any errors or warnings in this structure.</p></ol>
376
377 </div>
378<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
379_8c.html" target="source" name="ScaleImage">ScaleImage</a></h2>
380<div class="doc-section">
381
382<p>ScaleImage() changes the size of an image to the given dimensions.</p></ol>
383
384<p>The format of the ScaleImage method is:</p>
385
386<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]387 Image *ScaleImage(const Image *image,const size_t columns,
388 const size_t rows,ExceptionInfo *exception)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]389</pre>
390
391<p>A description of each parameter follows:</p></ol>
392
393<h5>image</h5>
394<ol><p>the image.</p></ol>
395
396<h5>columns</h5>
397<ol><p>the number of columns in the scaled image.</p></ol>
398
399<h5>rows</h5>
400<ol><p>the number of rows in the scaled image.</p></ol>
401
402<h5>exception</h5>
403<ol><p>return any errors or warnings in this structure.</p></ol>
404
405 </div>
406<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
407_8c.html" target="source" name="ThumbnailImage">ThumbnailImage</a></h2>
408<div class="doc-section">
409
410<p>ThumbnailImage() changes the size of an image to the given dimensions and removes any associated profiles. The goal is to produce small low cost thumbnail images suited for display on the Web.</p></ol>
411
412<p>The format of the ThumbnailImage method is:</p>
413
414<pre class="code">
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]415 Image *ThumbnailImage(const Image *image,const size_t columns,
416 const size_t rows,ExceptionInfo *exception)
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]417</pre>
418
419<p>A description of each parameter follows:</p></ol>
420
421<h5>image</h5>
422<ol><p>the image.</p></ol>
423
424<h5>columns</h5>
425<ol><p>the number of columns in the scaled image.</p></ol>
426
427<h5>rows</h5>
428<ol><p>the number of rows in the scaled image.</p></ol>
429
430<h5>exception</h5>
431<ol><p>return any errors or warnings in this structure.</p></ol>
432
433 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]434
435</div>
436
437<div id="linkbar">
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]438 <span id="linkbar-west">&nbsp;</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]439 <span id="linkbar-center">
440 <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> &bull;
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]441 <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]442 </span>
443 <span id="linkbar-east">&nbsp;</span>
444 </div>
445 <div class="footer">
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]446 <span id="footer-west">&copy; 1999-2011 ImageMagick Studio LLC</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]447 <span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
448 </div>
449 <div style="clear: both; margin: 0; width: 100%; "></div>
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]450 <script type="text/javascript">
451 var _gaq = _gaq || [];
452 _gaq.push(['_setAccount', 'UA-17690367-1']);
453 _gaq.push(['_trackPageview']);
454
455 (function() {
456 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
457 ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
458 var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
459 })();
460 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]461</body>
462</html>