]> granicus.if.org Git - imagemagick/blobdiff - www/magick-core.html
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[imagemagick] / www / magick-core.html
index 15ab20c27f2f595587b3e08a05cc0de91eac21d5..08a4edff3b43e8ff016f550b5dbdd85cc22312d3 100644 (file)
@@ -1,19 +1,23 @@
 \r
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" \r
   "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\r
-<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" dir="ltr">\r
+<html version="-//W3C//DTD XHTML 1.1//EN"\r
+      xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"\r
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"\r
+      xsi:schemaLocation="http://www.w3.org/1999/xhtml\r
+                          http://www.w3.org/MarkUp/SCHEMA/xhtml11.xsd">\r
 <head>\r
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>\r
-  <meta name="verify-v1" content="g222frIIxcQTrvDR3NBRUSKP3AnMNoqxOkIniCEkV7U="/>\r
+  <meta name="google-site-verification" content="MxsMq6bdLOx0KSuz1MY6yG9ZTIJ7_7DVRfl5NCAT5Yg"/>\r
   <title>ImageMagick: MagickCore, Low-level C API for ImageMagick</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, compose, or convert bitmap images in a variety of formats. Use ImageMagick to scale, rotate, shear, distort and transform images."/>
+  <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."/>
   <meta name="Application-url" content="http://www.imagemagick.org"/>
   <meta name="Generator" content="PHP"/>
-  <meta name="Keywords" content="magickcore, low-level, c, api, for, imagemagick, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Swiss, Army, Knife, Image, Processing"/>
+  <meta name="Keywords" content="magickcore, low-level, c, api, for, imagemagick, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Image, Processing, Automagically"/>
   <meta name="Rating" content="GENERAL"/>
   <meta name="Robots" content="INDEX, FOLLOW"/>
   <meta name="Generator" content="ImageMagick Studio LLC"/>
   <meta name="Distribution" content="Global"/>
   <link rel="icon" href="../images/wand.png"/>
   <link rel="shortcut icon" href="../images/wand.ico"  type="images/x-icon"/>
+  <link rel="canonical" href="http://www.imagemagick.org" />\r
   <link rel="meta" type="application/rdf+xml" title="ICI" href="http://imagemagick.org/ici.rdf"/>\r
+  <link rel="stylesheet" href="http://www.google.com/cse/style/look/default.css" type="text/css" />\r
+  <link rel="stylesheet" type="text/css" href="http://www.imagemagick.org/fancybox/jquery.fancybox-1.3.4.css" media="screen" />\r
   <style type="text/css" media="all">\r
     @import url("../www/magick.css");\r
   </style>\r
-  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>\r
-   <script type="text/javascript" src="../fancybox/jquery.fancybox-1.3.4.pack.js"></script>\r
-   <link rel="stylesheet" type="text/css" href="../fancybox/jquery.fancybox-1.3.4.css" media="screen" />\r
-   <script type="text/javascript">\r
-     $(document).ready(function() {\r
-       $("a[href$=.jpg],a[href$=.png],a[href$=.gif]").fancybox({\r
-         'transitionIn'  : 'elastic',\r
-         'transitionOut' : 'elastic',\r
-         'overlayShow'   : false,\r
-         'opacity'       : true\r
-       });\r
-     });\r
-   </script>\r
+  <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>\r
+  <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js"></script>\r
+  <script type="text/javascript" src="http://www.imagemagick.org/fancybox/jquery.fancybox-1.3.4.pack.js"></script>\r
+  <script type="text/javascript">\r
+    $(document).ready(function() {\r
+      $("a[href$=.jpg],a[href$=.png],a[href$=.gif]").fancybox({\r
+        'transitionIn'  : 'elastic',\r
+        'transitionOut' : 'elastic',\r
+        'overlayShow'   : false,\r
+        'opacity'       : true\r
+      });\r
+    });\r
+  </script>\r
 </head>\r
 \r
 <body id="www-imagemagick-org">\r
 <div class="titlebar">\r
-<a href="../index.html">\r
-  <img src="../images/script.png" alt="[ImageMagick]"\r
-  style="width: 350px; height: 60px; margin: 28px auto; float: left;" /></a>\r
-<a href="http://www.networkredux.com">\r
-  <img src="../images/networkredux.png" alt="[sponsor]"\r
-  style="margin: 45px auto; border: 0px; float: left;" /></a>\r
+<div style="margin: 17px auto; float: left;">\r
+  <script type="text/javascript">\r
+  <!--\r
+    google_ad_client = "pub-3129977114552745";\r
+    google_ad_slot = "5439289906";\r
+    google_ad_width = 728;\r
+    google_ad_height = 90;\r
+  //-->\r
+  </script>\r
+  <script type="text/javascript"\r
+    src="http://pagead2.googlesyndication.com/pagead/show_ads.js">\r
+  </script>\r
+</div>\r
 <a href="http://www.imagemagick.org/discourse-server/">\r
-  <img src="../images/logo.jpg" alt=""\r
-  style="width: 114px; height: 118px; border: 0px; float: right;" /></a>\r
+  <img src="../images/logo.jpg"\r
+  alt="ImageMagick Logo"\r
+  style="width: 123px; height: 118px; border: 0px; float: right;" /></a>\r
 <a href="../index.html">\r
-  <img src="../images/sprite.jpg" alt=""\r
+  <img src="../images/sprite.jpg"\r
+  alt="ImageMagick Sprite"\r
   style="width: 114px; height: 118px; border: 0px; float: right;" /></a>\r
 </div>\r
 \r
@@ -64,7 +80,6 @@
 <div class="menu">
   <a title="About ImageMagick" href="../index.html">About ImageMagick</a>
 </div>
-<div class="sep"></div>\r
 <div class="menu">
   <a title="Binary Releases" href="../www/binary-releases.html">Binary Releases</a>
 </div>
@@ -74,6 +89,9 @@
 <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: iOS" href="../www/binary-releases.html#iOS">iOS</a>
+</div>
 <div class="sub">
     <a title="Binary Release: Windows" href="../www/binary-releases.html#windows">Windows</a>
 </div>
 </div>
 <div class="sep"></div>\r
 <div class="menu">
-  <a title="Search" href="http://www.imagemagick.org/script/search.php">Search</a>
+  <a title="Search" href="../www/search.html">Search</a>
 </div>
 <div class="sep"></div>\r
 <div class="menu">
 </div>
 <div class="sep"></div>\r
 <div  class="menu">
-  <a title="Sponsors" href="../www/sponsors.html">Sponsors:</a>
+  <a rel="follow" title="Sponsors" href="../www/sponsors.html">Sponsors:</a>
 
+<a href="http://www.networkredux.com">
+  <img src="../images/networkredux.png" width="140" height="31" alt="[sponsor]"
+  style="margin-top: 4px; margin-left: 4px; border: 0px; float: left;" /></a>
 <div class="sponsbox">
 <div  class="sponsor">
-   <a title="Sponsor: Webdesign" href="http://www.renehornig.com/">Webdesign</a><!-- 20111001000240 -->
+  <a rel="follow" title="Sponsor: Autoteile" href="http://www.q11-shop.de">Autoteile</a><!-- 201205010540s suvalj -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Web Hosting" href="http://www.micfo.com">Web Hosting</a><!-- 209901010090s golestan -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Search engine optimisation" href="http://www.seomoves.com.au">Search engine optimisation</a><!-- 201110010090s jen@seo lowprofilelinks -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Web Hosting Deals" href="http://www.webhostingdeals.org">Web Hosting Deals</a><!-- 201111010270 chee.hoa darin -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Autos part" href="http://www.pkwteile.de/autoteile">Autos part</a><!-- 201112010090s jr@pkwte... -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Web Hosting Reviews" href="http://www.webhostingsecretrevealed.com">Web Hosting Secret Revealed</a><!-- 201204010540 iamchee jerry -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Web Hosting Break" href="http://www.webhostingbreak.com">Web Hosting Break</a><!-- 201109010090 ian@ian-m... -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Druckerei" href="http://www.allesdruck.de">Druckerei</a><!-- 201303011500 r.leo -->
 </div>
 <div  class="sponsor">
-  <a title="Sponsor: Druckerei" href="http://print24.com/de/">Druckerei</a><!-- 201110010720 -->
+  <a rel="follow" title="Sponsor: Website Hosting" href="http://www.hostreviewgeeks.com">Website Hosting</a><!-- 201110010090 alexanian media -->
 </div>
 <div  class="sponsor">
-  <a title="Sponsor: Image Converter" href="http://www.batchphoto.com">Image Converter</a><!-- 201103010900 Bits Coffee-->
+  <a rel="follow" title="Sponsor: Hotel München" href="http://www.messehotel-erb-muenchen.de">Hotel München</a><!-- 201111010450 cerb -->
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 <div  class="sponsor">
-  <a title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
+  <a rel="follow" title="Sponsor: Best Web Hosting" href="http://webhostinggeeks.com">Best Web Hosting</a><!-- 201110010720 -->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Flyer drucken" href="http://www.online-druck.biz">Flyer drucken</a><!-- 201109010900 Floeter-->
+</div>
+<div  class="sponsor">
+  <a rel="follow" title="Sponsor: Web Hosting Ratings" href="http://webhostingrating.com">Web Hosting Ratings</a><!-- 201110010720 -->
+</div>
+<div  class="sponsor">
+   <a rel="follow" title="Sponsor: Bildbearbeitung" href="http://www.bildschliff.de">Bildbearbeitung</a><!-- 2012060100300 strait.de-->
 </div>
 </div>
 </div>
 </div>\r
 \r
 <div class="eastbar">\r
-  <script type="text/javascript">\r
-  <!--\r
-    google_ad_client = "pub-3129977114552745";\r
-    google_ad_slot = "0574824969";\r
-    google_ad_width = 160;\r
-    google_ad_height = 600;\r
-  //-->\r
-  </script>\r
-  <script type="text/javascript"\r
-    src="http://pagead2.googlesyndication.com/pagead/show_ads.js">\r
-  </script>\r
+  <div class="g-plusone" data-size="standard" data-count="false"></div>\r
 </div>\r
 \r
 <div class="main">\r
 <p>Here is a example program that utilizes the MagickCore API to get you started, <a href="../www/source/core.c">core.c</a>. It reads a GIF image, creates a thumbnail, and writes it to disk in the PNG image format.</p>
 
 <div class="viewport">
-<pre class="code">
   #include &lt;stdio.h>
   #include &lt;stdlib.h>
   #include &lt;string.h>
     MagickCoreTerminus();
     return(0);
   }
-</pre>
 </div>
 <p><a id="image-view"></a>Now lets perform the same contrast enhancement while taking advantage of our dual or quad-core processing system by running the algorithm in parallel utilizing wand views.  The <a href="../www/source/core/sigmoidal-contrast.c">sigmoidal-contrast.c</a> module reads an image, applies sigmoidal non-linearity contrast control, and writes the result to disk just like the previous contrast enhancement program, but now it does its work in parallel (assumes ImageMagick is built with OpenMP support).</p>
 
 <div class="viewport">
-<pre class="code">
 #include &lt;stdio.h>
 #include &lt;stdlib.h>
 #include &lt;math.h>
@@ -334,15 +375,16 @@ static MagickBooleanType SigmoidalContrast(ImageView *contrast_view,
   pixels=GetImageViewAuthenticPixels(contrast_view);
   for (x=0; x &lt; (ssize_t) (extent.width-extent.x); x++)
   {
-    pixels[x].red=RoundToQuantum(SigmoidalContrast(pixels[x].red));
-    pixels[x].green=RoundToQuantum(SigmoidalContrast(pixels[x].green));
-    pixels[x].blue=RoundToQuantum(SigmoidalContrast(pixels[x].blue));
-    pixels[x].opacity=RoundToQuantum(SigmoidalContrast(pixels[x].opacity));
+    SetPixelRed(pixels,RoundToQuantum(SigmoidalContrast(GetPixelRed(pixels)));
+    SetPixelGreen(pixels,RoundToQuantum(SigmoidalContrast(GetPixelGreen(pixels)));
+    SetPixelBlue(pixels,RoundToQuantum(SigmoidalContrast(GetPixelBlue(pixels)));
+    SetPixelOpacity(pixels,RoundToQuantum(SigmoidalContrast(GetPixelOpacity(pixels)));
+    pixels++;
   }
   indexes=GetImageViewAuthenticIndexes(contrast_view);
   if (indexes != (IndexPacket *) NULL)
     for (x=0; x &lt; (ssize_t) (extent.width-extent.x); x++)
-      indexes[x]=(IndexPacket) RoundToQuantum(SigmoidalContrast(indexes[x]));
+      SetPixelIndex(indexes+x,RoundToQuantum(SigmoidalContrast(GetPixelIndex(indexes+x))));
   return(MagickTrue);
 }
 
@@ -422,7 +464,6 @@ int main(int argc,char **argv)
   MagickCoreTerminus();
   return(0);
 }
-</pre>
 </div>
 </div>
 \r