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POSave Montage to Blob with Magick++
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  1. POSave Montage to Blob with Magick++
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    copied!<p>I have a montage, and I can save it to disk when specified the destination path.However when I try to save it to a Blob it fails.</p> <p><strong>Am I missing some settings?</strong></p> <p>Version: ImageMagick 6.8.2-5 2013-02-05 Q8</p> <p>Machine: Windows 7 x64</p> <p><strong>EDIT</strong>: The exception:</p> <pre><code>Unhandled Exception: System.Runtime.InteropServices.SEHException: External component has thrown an exception. at Magick.throwException(_ExceptionInfo* ) at Magick.writeImages&lt;class std::_List_iterator&lt;class std::_List_val&lt;class Magick::Image,class std::allocator&lt;class Magick::Image&gt; &gt; &gt; &gt; (_List_iterator&lt;std::_List_val&lt;Magick::Image\,std::allocator&lt;Magick::Image&gt; &gt; &gt; first_, _List_iterator&lt;std::_List_val&lt;Magick::Image\,std::allocator&lt;Magick::Image &gt; &gt; &gt; last_, Blob* blob_, Boolean adjoin_) in d:\dev\projects\ecs\layers\tools\imagemagicknet\include8\magick++\stl.h:line 2562 </code></pre> <p><a href="http://torgyik.co.uk/montage/montage.rar" rel="nofollow">The source images</a></p> <p>The Code:</p> <pre><code> void test() { list&lt;Magick::Image&gt; sourceImageList; Magick::Image image; image.read("d:\\imtest\\Montage\\1.jpg"); sourceImageList.push_back(image); image.read("d:\\imtest\\Montage\\2.jpg"); sourceImageList.push_back(image); image.read("d:\\imtest\\Montage\\3.jpg"); sourceImageList.push_back(image); Magick::Color color("rgba(0,0,0,0)"); Montage montageSettings; montageSettings.geometry("100x100-0-0"); montageSettings.shadow(true); montageSettings.backgroundColor(color); montageSettings.tile( "3x1" ); list&lt;Magick::Image&gt; montagelist; Magick::montageImages( &amp;montagelist, sourceImageList.begin(), sourceImageList.end(), montageSettings); // This will give the expected result Magick::writeImages(montagelist.begin(), montagelist.end(), "d:\\imtest\\Montage\\out.png"); Magick::Blob *b = new Magick::Blob(); // This will throw an exception mentioned above Magick::writeImages(montagelist.begin(), montagelist.end(), b); Magick::Image imageFromBlob(*b); imageFromBlob.write("d:\\imtest\\Montage\\outBlob.png"); } </code></pre>
 

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