Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / external / ImageMagick / 29c5c99deece75077feef1d1eccd65dc27ac455c / . / www / api / blob.html
blob: 54ca8cb7eb5ba9523f1bf20c6bae8f71a3e7503c [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>
cristy3c98a4f2010-08-13 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="/>
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]11 <title>ImageMagick: MagickCore, C API for ImageMagick: Read or Write Binary Large OBjects</title>
cristy3ed852e2009-09-05 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"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]15 <meta name="Application-name" content="ImageMagick"/>
cristye6e84152011-06-06 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."/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]17 <meta name="Application-url" content="http://www.imagemagick.org"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]18 <meta name="Generator" content="PHP"/>
cristye6e84152011-06-06 14:16:49 +0000[diff] [blame]19 <meta name="Keywords" content="magickcore, c, api, for, imagemagick:, read, or, write, binary, large, objects, ImageMagick, ImageMagic, MagickCore, MagickWand, PerlMagick, Magick++, RMagick, PythonMagick, JMagick, TclMagick, Image, Magick, Magic, Wand, ImageMagickObject, Image, Processing, Automagically"/>
cristy3ed852e2009-09-05 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"/>
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]26 <meta name="Copyright" content="Copyright (c) 1999-2011 ImageMagick Studio LLC"/>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]27 <meta name="Distribution" content="Global"/>
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]28 <link rel="icon" href="../../images/wand.png"/>
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]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"/>
cristy7a40ba82011-01-08 20:31:18 +0000[diff] [blame]32 <link rel="stylesheet" href="http://www.google.com/cse/style/look/default.css" type="text/css" />
cristy29c5c992011-06-25 13:58:49 +0000[diff] [blame^]33 <link rel="stylesheet" type="text/css" href="../fancybox/jquery.fancybox-1.3.4.css" media="screen" />
cristy3c98a4f2010-08-13 20:09:41 +0000[diff] [blame]34 <style type="text/css" media="all">
35 @import url("../../www/magick.css");
36 </style>
cristy29c5c992011-06-25 13:58:49 +0000[diff] [blame^]37 <script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>
cristydcca3fa2010-12-29 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>
cristy361f4662010-12-31 23:02:52 +0000[diff] [blame]39 <script type="text/javascript" src="../fancybox/jquery.fancybox-1.3.4.pack.js"></script>
cristy361f4662010-12-31 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>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]50</head>
51
52<body id="www-imagemagick-org">
53<div class="titlebar">
cristyb52981c2011-03-19 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>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]67<a href="http://www.imagemagick.org/discourse-server/">
cristyaf8d6652011-02-04 21:57:45 +0000[diff] [blame]68 <img src="../../images/logo.jpg"
69 alt="ImageMagick Logo"
cristy178edaf2011-01-23 03:42:39 +0000[diff] [blame]70 style="width: 123px; height: 118px; border: 0px; float: right;" /></a>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]71<a href="../../index.html">
cristyaf8d6652011-02-04 21:57:45 +0000[diff] [blame]72 <img src="../../images/sprite.jpg"
73 alt="ImageMagick Sprite"
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]74 style="width: 114px; height: 118px; border: 0px; float: right;" /></a>
75</div>
76
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]77<div class="westbar">
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]78
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]79<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]80 <a title="About ImageMagick" href="../../index.html">About ImageMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]81</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]82<div class="menu">
cristybb503372010-05-27 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">
cristye6e84152011-06-06 14:16:49 +0000[diff] [blame]92 <a title="Binary Release: iOS" href="../../www/binary-releases.html#iOS">iOS</a>
cristyda16f162011-02-19 23:52:17 +0000[diff] [blame]93</div>
94<div class="sub">
cristybb503372010-05-27 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">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]99 <a title="Command-line Tools" href="../../www/command-line-tools.html">Command-line Tools</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="Command-line Tools: Processing" href="../../www/command-line-processing.html">Processing</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]103</div>
104<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]105 <a title="Command-line Tools: Options" href="../../www/command-line-options.html">Options</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]106</div>
107<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]108 <a title="Command-line Tools: Usage" href="http://www.imagemagick.org/Usage/">Usage</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]109</div>
110<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]111 <a title="Program Interfaces" href="../../www/api.html">Program Interfaces</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]112</div>
113<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]114 <a title="Program Interface: MagickWand" href="../../www/magick-wand.html">MagickWand</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]115</div>
116<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]117 <a title="Program Interface: MagickCore" href="../../www/magick-core.html">MagickCore</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]118</div>
119<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]120 <a title="Program Interface: PerlMagick" href="../../www/perl-magick.html">PerlMagick</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]121</div>
122<div class="sub">
cristydcca3fa2010-12-29 21:50:07 +0000[diff] [blame]123 <a title="Program Interface: Magick++" href="../../www/magick++.html">Magick++</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]124</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]125<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]126<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]127 <a title="Install from Source" href="../../www/install-source.html">Install from Source</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]128</div>
129<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]130 <a title="Install from Source: Unix" href="../../www/install-source.html#unix">Unix</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]131</div>
132<div class="sub">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]133 <a title="Install from Source: Windows" href="../../www/install-source.html#windows">Windows</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]134 </div>
135<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]136 <a title="Resources" href="../../www/resources.html">Resources</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]137</div>
cristybb503372010-05-27 20:51:26 +0000[diff] [blame]138<div class="menu">
139 <a title="Architecture" href="../../www/architecture.html">Architecture</a>
140</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]141<div class="menu">
cristy83a272e2010-05-07 20:40:35 +0000[diff] [blame]142 <a title="Download" href="../../www/download.html">Download</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]143</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]144<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]145<div class="menu">
cristy52923442011-01-15 22:54:31 +0000[diff] [blame]146 <a title="Search" href="../../www/search.html">Search</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]147</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]148<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]149<div class="menu">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]150 <a title="Site Map" href="../../www/sitemap.html">Site Map</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]151</div>
152<div class="sub">
cristyffb69ed2010-12-25 00:06:48 +0000[diff] [blame]153 <a title="Site Map: Links" href="../../www/links.html">Links</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]154</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]155<div class="sep"></div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]156<div class="menu">
cristy10549a12011-05-15 19:04:46 +0000[diff] [blame]157 <a rel="follow" title="Sponsors" href="../../www/sponsors.html">Sponsors:</a>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]158
cristyb52981c2011-03-19 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>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]162<div class="sponsbox">
cristy178edaf2011-01-23 03:42:39 +0000[diff] [blame]163<div class="sponsor">
cristy81492d62011-06-07 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">
cristy84134182011-06-15 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">
cristy81492d62011-06-07 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">
cristyba1758d2011-06-03 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">
cristy4bf6e232011-05-21 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... -->
cristy45dbd322011-03-27 16:40:38 +0000[diff] [blame]180</div>
181<div class="sponsor">
cristy10549a12011-05-15 19:04:46 +0000[diff] [blame]182 <a rel="follow" title="Sponsor: Druckerei" href="http://www.allesdruck.de">Druckerei</a><!-- 201303011500 r.leo -->
cristy4c54bbb2011-03-17 13:53:13 +0000[diff] [blame]183</div>
184<div class="sponsor">
cristy575d5ee2011-05-24 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 -->
cristy4bf6e232011-05-21 01:43:33 +0000[diff] [blame]186</div>
187<div class="sponsor">
cristy10549a12011-05-15 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 -->
cristyaf8d6652011-02-04 21:57:45 +0000[diff] [blame]189</div>
190<div class="sponsor">
cristy10549a12011-05-15 19:04:46 +0000[diff] [blame]191 <a rel="follow" title="Sponsor: Best Web Hosting" href="http://webhostinggeeks.com">Best Web Hosting</a><!-- 201110010720 -->
cristy7d52cd62010-10-01 17:26:59 +0000[diff] [blame]192</div>
193<div class="sponsor">
cristy10549a12011-05-15 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-->
cristyee742642011-02-26 02:49:59 +0000[diff] [blame]195</div>
196<div class="sponsor">
cristy10549a12011-05-15 19:04:46 +0000[diff] [blame]197 <a rel="follow" title="Sponsor: Web Hosting Reviews" href="http://www.webhostingmasters.com">Web Hosting Reviews</a><!-- 201107011500 affliatelabel -->
cristy851dbce2010-08-06 21:40:00 +0000[diff] [blame]198</div>
cristyec6b4752011-01-08 03:16:23 +0000[diff] [blame]199<div class="sponsor">
cristy10549a12011-05-15 19:04:46 +0000[diff] [blame]200 <a rel="follow" title="Sponsor: Web Hosting Ratings" href="http://webhostingrating.com">Web Hosting Ratings</a><!-- 201110010720 -->
cristybaacd172011-04-30 23:11:03 +0000[diff] [blame]201</div>
202<div class="sponsor">
cristy29c5c992011-06-25 13:58:49 +0000[diff] [blame^]203 <a rel="follow" title="Sponsor: Autoteile Online Shop" href="http://www.autoteile-carparts.de">Autoteile Online Shop</a><!-- 2011080100030 autoteile-Carparts-->
cristyec6b4752011-01-08 03:16:23 +0000[diff] [blame]204</div>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]205</div>
206</div>
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]207</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]208
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]209<div class="eastbar">
cristy29c5c992011-06-25 13:58:49 +0000[diff] [blame^]210<div style="margin: 9pt 9pt 9pt 9pt;">
211 <div class="g-plusone" data-size="standard" data-count="false"></div>
212</div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]213</div>
214
215<div class="main">
216
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]217<h1>Module blob Methods</h1>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]218<p class="navigation-index">[<a href="#BlobToImage">BlobToImage</a> &bull; <a href="#FileToImage">FileToImage</a> &bull; <a href="#GetBlobProperties">GetBlobProperties</a> &bull; <a href="#ImageToBlob">ImageToBlob</a> &bull; <a href="#ImageToFile">ImageToFile</a> &bull; <a href="#ImagesToBlob">ImagesToBlob</a> &bull; <a href="#InjectImageBlob">InjectImageBlob</a>]</p>
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]219
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]220<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="BlobToImage">BlobToImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]221<div class="doc-section">
222
223<p>BlobToImage() implements direct to memory image formats. It returns the blob as an image.</p>
224
225<p>The format of the BlobToImage method is:</p>
226
227<pre class="code">
228 Image *BlobToImage(const ImageInfo *image_info,const void *blob,
229 const size_t length,ExceptionInfo *exception)
230</pre>
231
232<p>A description of each parameter follows:</p>
233
234<h5>image_info</h5>
235<p>the image info.</p>
236
237<h5>blob</h5>
238<p>the address of a character stream in one of the image formats understood by ImageMagick.</p>
239
240<h5>length</h5>
241<p>This size_t integer reflects the length in bytes of the blob.</p>
242
243<h5>exception</h5>
244<p>return any errors or warnings in this structure.</p>
245
246 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]247<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="FileToImage">FileToImage</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]248<div class="doc-section">
249
250<p>FileToImage() write the contents of a file to an image.</p>
251
252<p>The format of the FileToImage method is:</p>
253
254<pre class="code">
255 MagickBooleanType FileToImage(Image *,const char *filename)
256</pre>
257
258<p>A description of each parameter follows:</p>
259
260<h5>image</h5>
261<p>the image.</p>
262
263<h5>filename</h5>
264<p>the filename.</p>
265
266 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]267<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="GetBlobProperties">GetBlobProperties</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]268<div class="doc-section">
269
270<p>GetBlobProperties() returns information about an image blob.</p>
271
272<p>The format of the GetBlobProperties method is:</p>
273
274<pre class="code">
275 const struct stat *GetBlobProperties(const Image *image)
276</pre>
277
278<p>A description of each parameter follows:</p>
279
280<h5>image</h5>
281<p>the image.</p>
282
283 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]284<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="ImageToBlob">ImageToBlob</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]285<div class="doc-section">
286
cristyda16f162011-02-19 23:52:17 +0000[diff] [blame]287<p>ImageToBlob() implements direct to memory image formats. It returns the image as a formatted blob and its length. The magick member of the Image structure determines the format of the returned blob (GIF, JPEG, PNG, etc.). This method is the equivalent of WriteImage(), but writes the formatted "file" to a memory buffer rather than to an actual file.</p>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]288
289<p>The format of the ImageToBlob method is:</p>
290
291<pre class="code">
292 unsigned char *ImageToBlob(const ImageInfo *image_info,Image *image,
293 size_t *length,ExceptionInfo *exception)
294</pre>
295
296<p>A description of each parameter follows:</p>
297
298<h5>image_info</h5>
299<p>the image info.</p>
300
301<h5>image</h5>
302<p>the image.</p>
303
304<h5>length</h5>
305<p>This pointer to a size_t integer sets the initial length of the blob. On return, it reflects the actual length of the blob.</p>
306
307<h5>exception</h5>
308<p>return any errors or warnings in this structure.</p>
309
310 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]311<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="ImageToFile">ImageToFile</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]312<div class="doc-section">
313
314<p>ImageToFile() writes an image to a file. It returns MagickFalse if an error occurs otherwise MagickTrue.</p>
315
316<p>The format of the ImageToFile method is:</p>
317
318<pre class="code">
319 MagickBooleanType ImageToFile(Image *image,char *filename,
320 ExceptionInfo *exception)
321</pre>
322
323<p>A description of each parameter follows:</p>
324
325<h5>image</h5>
326<p>the image.</p>
327
328<h5>filename</h5>
329<p>Write the image to this file.</p>
330
331<h5>exception</h5>
332<p>return any errors or warnings in this structure.</p>
333
334 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]335<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="ImagesToBlob">ImagesToBlob</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]336<div class="doc-section">
337
338<p>ImagesToBlob() implements direct to memory image formats. It returns the image sequence as a blob and its length. The magick member of the ImageInfo structure determines the format of the returned blob (GIF, JPEG, PNG, etc.)</p>
339
340<p>Note, some image formats do not permit multiple images to the same image stream (e.g. JPEG). in this instance, just the first image of the sequence is returned as a blob.</p>
341
342<p>The format of the ImagesToBlob method is:</p>
343
344<pre class="code">
345 unsigned char *ImagesToBlob(const ImageInfo *image_info,Image *images,
346 size_t *length,ExceptionInfo *exception)
347</pre>
348
349<p>A description of each parameter follows:</p>
350
351<h5>image_info</h5>
352<p>the image info.</p>
353
354<h5>images</h5>
355<p>the image list.</p>
356
357<h5>length</h5>
358<p>This pointer to a size_t integer sets the initial length of the blob. On return, it reflects the actual length of the blob.</p>
359
360<h5>exception</h5>
361<p>return any errors or warnings in this structure.</p>
362
363 </div>
cristy350dea42011-02-15 17:31:04 +0000[diff] [blame]364<h2><a href="http://www.imagemagick.org/api/MagickCore/blob_8c.html" id="InjectImageBlob">InjectImageBlob</a></h2>
cristy6f77f692011-02-15 15:31:39 +0000[diff] [blame]365<div class="doc-section">
366
367<p>InjectImageBlob() injects the image with a copy of itself in the specified format (e.g. inject JPEG into a PDF image).</p>
368
369<p>The format of the InjectImageBlob method is:</p>
370
371<pre class="code">
372 MagickBooleanType InjectImageBlob(const ImageInfo *image_info,
373 Image *image,Image *inject_image,const char *format,
374 ExceptionInfo *exception)
375</pre>
376
377<p>A description of each parameter follows:</p>
378
379<h5>image_info</h5>
380<p>the image info..</p>
381
382<h5>image</h5>
383<p>the image.</p>
384
385<h5>inject_image</h5>
386<p>inject into the image stream.</p>
387
388<h5>format</h5>
389<p>the image format.</p>
390
391<h5>exception</h5>
392<p>return any errors or warnings in this structure.</p>
393
394 </div>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]395
396</div>
397
398<div id="linkbar">
cristyce69bb02010-07-27 19:49:46 +0000[diff] [blame]399 <span id="linkbar-west">&nbsp;</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]400 <span id="linkbar-center">
401 <a href="http://www.imagemagick.org/discourse-server/">Discourse Server</a> &bull;
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]402 <a href="http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi">Studio</a>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]403 </span>
404 <span id="linkbar-east">&nbsp;</span>
405 </div>
406 <div class="footer">
cristy4103d562010-12-10 01:38:54 +0000[diff] [blame]407 <span id="footer-west">&copy; 1999-2011 ImageMagick Studio LLC</span>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]408 <span id="footer-east"> <a href="../http://www.imagemagick.org/script/contact.php">Contact the Wizards</a></span>
409 </div>
410 <div style="clear: both; margin: 0; width: 100%; "></div>
cristya8902942010-07-30 00:49:52 +0000[diff] [blame]411 <script type="text/javascript">
412 var _gaq = _gaq || [];
413 _gaq.push(['_setAccount', 'UA-17690367-1']);
414 _gaq.push(['_trackPageview']);
415
416 (function() {
417 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
418 ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
419 var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
420 })();
421 </script>
cristy3eaa0ef2010-03-06 20:35:26 +0000[diff] [blame]422</body>
423</html>