www/api/resize.html - platform/external/ImageMagick - Gitiles

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
 <head>
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
   <meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>
   <title>ImageMagick: MagickCore, C API for ImageMagick: Resize an Image</title/>
   <meta http-equiv="Content-Language" content="en-US"/>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
   <meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/>
   <meta name="Application-name" content="ImageMagick"/>
   <meta name="Description" content="ImageMagick® is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves.  ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems.  The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically."/>
   <meta name="Application-url" content="http://www.imagemagick.org"/>
   <meta name="Generator" content="PHP"/>
   <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"/>
   <meta name="Rating" content="GENERAL"/>
   <meta name="Robots" content="INDEX, FOLLOW"/>
   <meta name="Generator" content="ImageMagick Studio LLC"/>
   <meta name="Author" content="ImageMagick Studio LLC"/>
   <meta name="Revisit-after" content="2 DAYS"/>
   <meta name="Resource-type" content="document"/>
   <meta name="Copyright" content="Copyright (c) 1999-2010 ImageMagick Studio LLC"/>
   <meta name="Distribution" content="Global"/>
   <link rel="icon" href="../../images/wand.png"  sizes="32x32"/>
   <link rel="shortcut icon" href="../../images/wand.ico"  type="images/x-icon"/>
   <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
   <style type="text/css" media="all">
     @import url("../../www/magick.css");
   </style>
 </head>

 <body id="www-imagemagick-org">
 <div class="titlebar">
 <a href="../../index.html">
   <img src="../../images/script.png" alt="[ImageMagick]"
   style="width: 350px; height: 60px; margin: 28px auto; float: left;" /></a>
 <a href="http://www.networkredux.com">
   <img src="../../images/networkredux.png" alt="[sponsor]"
   style="margin: 45px auto; border: 0px; float: left;" /></a>
 <a href="http://www.imagemagick.org/discourse-server/">
   <img src="../../images/logo.jpg" alt=""
   style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
 <a href="../../index.html">
   <img src="../../images/sprite.jpg" alt=""
   style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
 </div>

 <div class="westbar">

 <div class="menu">
   <a title="About ImageMagick" href="../../index.html">About ImageMagick</a>
 </div>
 <div class="sep"></div>
 <div class="menu">
   <a title="Binary Releases" href="../../www/binary-releases.html">Binary Releases</a>
 </div>
 <div class="sub">
     <a title="Binary Release: Unix" href="../../www/binary-releases.html#unix">Unix</a>
 </div>
 <div class="sub">
     <a title="Binary Release: MacOS X" href="../../www/binary-releases.html#macosx">Mac OS X</a>
 </div>
 <div class="sub">
     <a title="Binary Release: Windows" href="../../www/binary-releases.html#windows">Windows</a>
 </div>
 <div class="sep"></div>
 <div class="menu">
   <a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</a>
 </div>
 <div class="sub">
     <a title="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a>
 </div>
 <div class="sub">
     <a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a>
 </div>
 <div class="sub">
     <a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a>
 </div>
 <div class="menu">
   <a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a>
 </div>
 <div class="sub">
     <a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a>
 </div>
 <div class="sub">
     <a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a>
 </div>
 <div class="sub">
     <a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a>
 </div>
 <div class="sub">
     <a title="Program Interface: Magick++" href="../../Magick++/">Magick++</a>
 </div>
 <div class="sep"></div>
 <div  class="menu">
    <a title="Install from Source" href="../../www/install-source.html">Install from Source</a>
 </div>
 <div class="sub">
     <a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a>
 </div>
 <div class="sub">
     <a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a>
  </div>
 <div class="menu">
   <a title="Resources" href="../../www/resources.html">Resources</a>
 </div>
 <div class="menu">
   <a title="Architecture" href="../../www/architecture.html">Architecture</a>
 </div>
 <div class="menu">
   <a title="Download" href="../../www/download.html">Download</a>
 </div>
 <div class="sep"></div>
 <div class="menu">
   <a title="Search" href="../http://www.imagemagick.org/script/search.php">Search</a>
 </div>
 <div class="sep"></div>
 <div class="menu">
   <a title="Site Map"href="../../www/sitemap.html">Site Map</a>
 </div>
 <div  class="sub">
     <a title="Site Map: Links"href="../../www/links.html">Links</a>
 </div>
 <div class="sep"></div>
 <div  class="menu">
   <a title="Sponsors" href="../../www/sponsors.html">Sponsors:</a>

 <div class="sponsbox">
 <div  class="sponsor">
    <a title="Sponsor: Free Catalogs" href="http://www.who-sells-it.com/">Free Catalogs</a><!-- 20120801000600 -->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: Image Converter" href="http://www.batchphoto.com">Image Converter</a><!-- 201103010900 Bits Coffee-->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: Webdesign Agentur" href="http://www.ventzke-partner.de">Webdesign Agentur</a><!-- 201101010480 invendio.de-->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: LVM Versicherung" href="http://www.neu-reich.de">LVM Versicherung</a><!-- 201101010480 -->
 </div>
 <div  class="sponsor">
   <a title="Sponsor: Diamonds are a Girls Best Friend" href="http://www.schmuck.org">Diamonds are a Girls Best Friend</a><!-- 201101010600 Peterssen-->
 </div>
 <div  class="sponsor">
    <a title="Sponsor: Druckerei Online" href="http://www.allesdruck.de">Druckerei Online</a><!-- 201012011200 allesdruck.de-->
 </div>
 </div>
 </div>
 </div>

 <div class="eastbar">
   <script type="text/javascript">
   <!--
     google_ad_client = "pub-3129977114552745";
     google_ad_slot = "0574824969";
     google_ad_width = 160;
     google_ad_height = 600;
   //-->
   </script>
   <script type="text/javascript"
     src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
   </script>
 </div>

 <div class="main">

 <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>

 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="AdaptiveResizeImage">AdaptiveResizeImage</a></h2>
 <div class="doc-section">

 <p>AdaptiveResizeImage() adaptively resize image with pixel resampling.</p></ol>

 <p>The format of the AdaptiveResizeImage method is:</p>

 <pre class="code">
   Image *AdaptiveResizeImage(const Image *image,const size_t columns,
     const size_t rows,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the resized image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the resized image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="MagnifyImage">MagnifyImage</a></h2>
 <div class="doc-section">

 <p>MagnifyImage() is a convenience method that scales an image proportionally to twice its size.</p></ol>

 <p>The format of the MagnifyImage method is:</p>

 <pre class="code">
   Image *MagnifyImage(const Image *image,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="MinifyImage">MinifyImage</a></h2>
 <div class="doc-section">

 <p>MinifyImage() is a convenience method that scales an image proportionally to half its size.</p></ol>

 <p>The format of the MinifyImage method is:</p>

 <pre class="code">
   Image *MinifyImage(const Image *image,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="ResampleImage">ResampleImage</a></h2>
 <div class="doc-section">

 <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>

 <p>The format of the ResampleImage method is:</p>

 <pre class="code">
   Image *ResampleImage(Image *image,const double x_resolution,
     const double y_resolution,const FilterTypes filter,const double blur,
     ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image to be resized to fit the given resolution.</p></ol>

 <h5>x_resolution</h5>
 <ol><p>the new image x resolution.</p></ol>

 <h5>y_resolution</h5>
 <ol><p>the new image y resolution.</p></ol>

 <h5>filter</h5>
 <ol><p>Image filter to use.</p></ol>

 <h5>blur</h5>
 <ol><p>the blur factor where > 1 is blurry, < 1 is sharp.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="LiquidRescaleImage">LiquidRescaleImage</a></h2>
 <div class="doc-section">

 <p>LiquidRescaleImage() rescales image with seam carving.</p></ol>

 <p>The format of the LiquidRescaleImage method is:</p>

 <pre class="code">
   Image *LiquidRescaleImage(const Image *image,
     const size_t columns,const size_t rows,
     const double delta_x,const double rigidity,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the rescaled image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the rescaled image.</p></ol>

 <h5>delta_x</h5>
 <ol><p>maximum seam transversal step (0 means straight seams).</p></ol>

 <h5>rigidity</h5>
 <ol><p>introduce a bias for non-straight seams (typically 0).</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="ResizeImage">ResizeImage</a></h2>
 <div class="doc-section">

 <p>ResizeImage() scales an image to the desired dimensions, using the given filter (see AcquireFilterInfo()).</p></ol>

 <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>

 <p>ResizeImage() was inspired by Paul Heckbert's "zoom" program.</p></ol>

 <p>The format of the ResizeImage method is:</p>

 <pre class="code">
   Image *ResizeImage(Image *image,const size_t columns,
     const size_t rows,const FilterTypes filter,const double blur,
     ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the scaled image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the scaled image.</p></ol>

 <h5>filter</h5>
 <ol><p>Image filter to use.</p></ol>

 <h5>blur</h5>
 <ol><p>the blur factor where > 1 is blurry, < 1 is sharp.  Typically set this to 1.0.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="SampleImage">SampleImage</a></h2>
 <div class="doc-section">

 <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>

 <p>The format of the SampleImage method is:</p>

 <pre class="code">
   Image *SampleImage(const Image *image,const size_t columns,
     const size_t rows,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the sampled image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the sampled image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="ScaleImage">ScaleImage</a></h2>
 <div class="doc-section">

 <p>ScaleImage() changes the size of an image to the given dimensions.</p></ol>

 <p>The format of the ScaleImage method is:</p>

 <pre class="code">
   Image *ScaleImage(const Image *image,const size_t columns,
     const size_t rows,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the scaled image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the scaled image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>
 <h2><a href="http://www.imagemagick.org/api/MagickCore/resize
 _8c.html" target="source" name="ThumbnailImage">ThumbnailImage</a></h2>
 <div class="doc-section">

 <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>

 <p>The format of the ThumbnailImage method is:</p>

 <pre class="code">
   Image *ThumbnailImage(const Image *image,const size_t columns,
     const size_t rows,ExceptionInfo *exception)
 </pre>

 <p>A description of each parameter follows:</p></ol>

 <h5>image</h5>
 <ol><p>the image.</p></ol>

 <h5>columns</h5>
 <ol><p>the number of columns in the scaled image.</p></ol>

 <h5>rows</h5>
 <ol><p>the number of rows in the scaled image.</p></ol>

 <h5>exception</h5>
 <ol><p>return any errors or warnings in this structure.</p></ol>

  </div>

 </div>

 <div id="linkbar">
     <span id="linkbar-west">&nbsp;</span>
     <span id="linkbar-center">
       <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> &bull;
       <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
     </span>
     <span id="linkbar-east">&nbsp;</span>
   </div>
   <div class="footer">
     <span id="footer-west">&copy; 1999-2010 ImageMagick Studio LLC</span>
     <span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
   </div>
   <div style="clear: both; margin: 0; width: 100%; "></div>
   <script type="text/javascript">
     var _gaq = _gaq || [];
     _gaq.push(['_setAccount', 'UA-17690367-1']);
     _gaq.push(['_trackPageview']);

     (function() {
       var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
       ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
       var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
     })();
   </script>
 </body>
 </html>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
	"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
	<meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>
	<title>ImageMagick: MagickCore, C API for ImageMagick: Resize an Image</title/>
	<meta http-equiv="Content-Language" content="en-US"/>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
	<meta http-equiv="Reply-to" content="magick-users@imagemagick.org"/>
	<meta name="Application-name" content="ImageMagick"/>
	<meta name="Description" content="ImageMagick® is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX. Use ImageMagick to translate, flip, mirror, rotate, scale, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves. ImageMagick is free software delivered as a ready-to-run binary distribution or as source code that you can freely use, copy, modify, and distribute. Its license is compatible with the GPL. It runs on all major operating systems. The functionality of ImageMagick is typically utilized from the command line or you can use the features from programs written in your favorite programming language. Choose from these interfaces: MagickCore (C), MagickWand (C), ChMagick (Ch), Magick++ (C++), JMagick (Java), L-Magick (Lisp), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick (Tcl/TK). With a language interface, use ImageMagick to modify or create images automagically and dynamically."/>
	<meta name="Application-url" content="http://www.imagemagick.org"/>
	<meta name="Generator" content="PHP"/>
	<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"/>
	<meta name="Rating" content="GENERAL"/>
	<meta name="Robots" content="INDEX, FOLLOW"/>
	<meta name="Generator" content="ImageMagick Studio LLC"/>
	<meta name="Author" content="ImageMagick Studio LLC"/>
	<meta name="Revisit-after" content="2 DAYS"/>
	<meta name="Resource-type" content="document"/>
	<meta name="Copyright" content="Copyright (c) 1999-2010 ImageMagick Studio LLC"/>
	<meta name="Distribution" content="Global"/>
	<link rel="icon" href="../../images/wand.png" sizes="32x32"/>
	<link rel="shortcut icon" href="../../images/wand.ico" type="images/x-icon"/>
	<link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>
	<style type="text/css" media="all">
	@import url("../../www/magick.css");
	</style>
	</head>

	<body id="www-imagemagick-org">
	<div class="titlebar">
	<a href="../../index.html">
	<img src="../../images/script.png" alt="[ImageMagick]"
	style="width: 350px; height: 60px; margin: 28px auto; float: left;" /></a>
	<a href="http://www.networkredux.com">
	<img src="../../images/networkredux.png" alt="[sponsor]"
	style="margin: 45px auto; border: 0px; float: left;" /></a>
	<a href="http://www.imagemagick.org/discourse-server/">
	<img src="../../images/logo.jpg" alt=""
	style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
	<a href="../../index.html">
	<img src="../../images/sprite.jpg" alt=""
	style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
	</div>

	<div class="westbar">

	<div class="menu">
	<a title="About ImageMagick" href="../../index.html">About ImageMagick</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Binary Releases" href="../../www/binary-releases.html">Binary Releases</a>
	</div>
	<div class="sub">
	<a title="Binary Release: Unix" href="../../www/binary-releases.html#unix">Unix</a>
	</div>
	<div class="sub">
	<a title="Binary Release: MacOS X" href="../../www/binary-releases.html#macosx">Mac OS X</a>
	</div>
	<div class="sub">
	<a title="Binary Release: Windows" href="../../www/binary-releases.html#windows">Windows</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</a>
	</div>
	<div class="sub">
	<a title="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a>
	</div>
	<div class="sub">
	<a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a>
	</div>
	<div class="sub">
	<a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a>
	</div>
	<div class="menu">
	<a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a>
	</div>
	<div class="sub">
	<a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a>
	</div>
	<div class="sub">
	<a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a>
	</div>
	<div class="sub">
	<a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a>
	</div>
	<div class="sub">
	<a title="Program Interface: Magick++" href="../../Magick++/">Magick++</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Install from Source" href="../../www/install-source.html">Install from Source</a>
	</div>
	<div class="sub">
	<a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a>
	</div>
	<div class="sub">
	<a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a>
	</div>
	<div class="menu">
	<a title="Resources" href="../../www/resources.html">Resources</a>
	</div>
	<div class="menu">
	<a title="Architecture" href="../../www/architecture.html">Architecture</a>
	</div>
	<div class="menu">
	<a title="Download" href="../../www/download.html">Download</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Search" href="../http://www.imagemagick.org/script/search.php">Search</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Site Map"href="../../www/sitemap.html">Site Map</a>
	</div>
	<div class="sub">
	<a title="Site Map: Links"href="../../www/links.html">Links</a>
	</div>
	<div class="sep"></div>
	<div class="menu">
	<a title="Sponsors" href="../../www/sponsors.html">Sponsors:</a>

	<div class="sponsbox">
	<div class="sponsor">
	<a title="Sponsor: Free Catalogs" href="http://www.who-sells-it.com/">Free Catalogs</a><!-- 20120801000600 -->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Image Converter" href="http://www.batchphoto.com">Image Converter</a><!-- 201103010900 Bits Coffee-->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Webdesign Agentur" href="http://www.ventzke-partner.de">Webdesign Agentur</a><!-- 201101010480 invendio.de-->
	</div>
	<div class="sponsor">
	<a title="Sponsor: LVM Versicherung" href="http://www.neu-reich.de">LVM Versicherung</a><!-- 201101010480 -->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Diamonds are a Girls Best Friend" href="http://www.schmuck.org">Diamonds are a Girls Best Friend</a><!-- 201101010600 Peterssen-->
	</div>
	<div class="sponsor">
	<a title="Sponsor: Druckerei Online" href="http://www.allesdruck.de">Druckerei Online</a><!-- 201012011200 allesdruck.de-->
	</div>
	</div>
	</div>
	</div>

	<div class="eastbar">
	<script type="text/javascript">
	<!--
	google_ad_client = "pub-3129977114552745";
	google_ad_slot = "0574824969";
	google_ad_width = 160;
	google_ad_height = 600;
	//-->
	</script>
	<script type="text/javascript"
	src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
	</script>
	</div>

	<div class="main">

	<p class="navigation-index">[<a href="#AdaptiveResizeImage">AdaptiveResizeImage</a> • <a href="#MagnifyImage">MagnifyImage</a> • <a href="#MinifyImage">MinifyImage</a> • <a href="#ResampleImage">ResampleImage</a> • <a href="#LiquidRescaleImage">LiquidRescaleImage</a> • <a href="#ResizeImage">ResizeImage</a> • <a href="#SampleImage">SampleImage</a> • <a href="#ScaleImage">ScaleImage</a> • <a href="#ThumbnailImage">ThumbnailImage</a>]</p>

	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="AdaptiveResizeImage">AdaptiveResizeImage</a></h2>
	<div class="doc-section">

	<p>AdaptiveResizeImage() adaptively resize image with pixel resampling.</p></ol>

	<p>The format of the AdaptiveResizeImage method is:</p>

	<pre class="code">
	Image AdaptiveResizeImage(const Image image,const size_t columns,
	const size_t rows,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the resized image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the resized image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="MagnifyImage">MagnifyImage</a></h2>
	<div class="doc-section">

	<p>MagnifyImage() is a convenience method that scales an image proportionally to twice its size.</p></ol>

	<p>The format of the MagnifyImage method is:</p>

	<pre class="code">
	Image MagnifyImage(const Image image,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="MinifyImage">MinifyImage</a></h2>
	<div class="doc-section">

	<p>MinifyImage() is a convenience method that scales an image proportionally to half its size.</p></ol>

	<p>The format of the MinifyImage method is:</p>

	<pre class="code">
	Image MinifyImage(const Image image,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="ResampleImage">ResampleImage</a></h2>
	<div class="doc-section">

	<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>

	<p>The format of the ResampleImage method is:</p>

	<pre class="code">
	Image ResampleImage(Image image,const double x_resolution,
	const double y_resolution,const FilterTypes filter,const double blur,
	ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image to be resized to fit the given resolution.</p></ol>

	<h5>x_resolution</h5>
	<ol><p>the new image x resolution.</p></ol>

	<h5>y_resolution</h5>
	<ol><p>the new image y resolution.</p></ol>

	<h5>filter</h5>
	<ol><p>Image filter to use.</p></ol>

	<h5>blur</h5>
	<ol><p>the blur factor where > 1 is blurry, < 1 is sharp.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="LiquidRescaleImage">LiquidRescaleImage</a></h2>
	<div class="doc-section">

	<p>LiquidRescaleImage() rescales image with seam carving.</p></ol>

	<p>The format of the LiquidRescaleImage method is:</p>

	<pre class="code">
	Image LiquidRescaleImage(const Image image,
	const size_t columns,const size_t rows,
	const double delta_x,const double rigidity,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the rescaled image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the rescaled image.</p></ol>

	<h5>delta_x</h5>
	<ol><p>maximum seam transversal step (0 means straight seams).</p></ol>

	<h5>rigidity</h5>
	<ol><p>introduce a bias for non-straight seams (typically 0).</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="ResizeImage">ResizeImage</a></h2>
	<div class="doc-section">

	<p>ResizeImage() scales an image to the desired dimensions, using the given filter (see AcquireFilterInfo()).</p></ol>

	<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>

	<p>ResizeImage() was inspired by Paul Heckbert's "zoom" program.</p></ol>

	<p>The format of the ResizeImage method is:</p>

	<pre class="code">
	Image ResizeImage(Image image,const size_t columns,
	const size_t rows,const FilterTypes filter,const double blur,
	ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the scaled image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the scaled image.</p></ol>

	<h5>filter</h5>
	<ol><p>Image filter to use.</p></ol>

	<h5>blur</h5>
	<ol><p>the blur factor where > 1 is blurry, < 1 is sharp. Typically set this to 1.0.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="SampleImage">SampleImage</a></h2>
	<div class="doc-section">

	<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>

	<p>The format of the SampleImage method is:</p>

	<pre class="code">
	Image SampleImage(const Image image,const size_t columns,
	const size_t rows,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the sampled image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the sampled image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="ScaleImage">ScaleImage</a></h2>
	<div class="doc-section">

	<p>ScaleImage() changes the size of an image to the given dimensions.</p></ol>

	<p>The format of the ScaleImage method is:</p>

	<pre class="code">
	Image ScaleImage(const Image image,const size_t columns,
	const size_t rows,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the scaled image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the scaled image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>
	<h2><a href="http://www.imagemagick.org/api/MagickCore/resize
	_8c.html" target="source" name="ThumbnailImage">ThumbnailImage</a></h2>
	<div class="doc-section">

	<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>

	<p>The format of the ThumbnailImage method is:</p>

	<pre class="code">
	Image ThumbnailImage(const Image image,const size_t columns,
	const size_t rows,ExceptionInfo *exception)
	</pre>

	<p>A description of each parameter follows:</p></ol>

	<h5>image</h5>
	<ol><p>the image.</p></ol>

	<h5>columns</h5>
	<ol><p>the number of columns in the scaled image.</p></ol>

	<h5>rows</h5>
	<ol><p>the number of rows in the scaled image.</p></ol>

	<h5>exception</h5>
	<ol><p>return any errors or warnings in this structure.</p></ol>

	</div>

	</div>

	<div id="linkbar">
	<span id="linkbar-west"> </span>
	<span id="linkbar-center">
	<a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> •
	<a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
	</span>
	<span id="linkbar-east"> </span>
	</div>
	<div class="footer">
	<span id="footer-west">© 1999-2010 ImageMagick Studio LLC</span>
	<span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
	</div>
	<div style="clear: both; margin: 0; width: 100%; "></div>
	<script type="text/javascript">
	var _gaq = _gaq \|\| [];
	_gaq.push(['_setAccount', 'UA-17690367-1']);
	_gaq.push(['_trackPageview']);

	(function() {
	var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
	ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
	var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
	})();
	</script>
	</body>
	</html>