Save Montage to Blob with Magick++
Posted: 2013-02-11T07:50:40-07:00
Hi.
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.
Am I missing some settings?
Version: ImageMagick 6.8.2-5 2013-02-05 Q8
Machine: Windows 7 x64
The exception:
http://torgyik.co.uk/montage/montage.rar
The Code:
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.
Am I missing some settings?
Version: ImageMagick 6.8.2-5 2013-02-05 Q8
Machine: Windows 7 x64
The exception:
The souce images:Unhandled Exception: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at Magick.Blob.updateNoCopy(Blob* , Void* , UInt32 , Allocator )
at Magick.writeImages<class std::_List_iterator<class std::_List_val<class Magick::Image,class std::allocator<class Magick::Image> > > >(_List_iterator<std::_List_val<Magick::Image\,std::allocator<Magick::Image> > > first_, _List_iterator<std::_List_val<Magick::Image\,std::allocator<Magick::Image> > > last_, Blob* blob_, Boolean adjoin_) in d:\dev\imagemagick\include8\magick++\stl.h:line 2558
http://torgyik.co.uk/montage/montage.rar
The Code:
Code: Select all
void MontageMaker::Test()
{
list<Magick::Image> 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<Magick::Image> montagelist;
montageImages( &montagelist, sourceImageList.begin(), sourceImageList.end(), montageSettings);
// OK
writeImages(montagelist.begin(), montagelist.end(), "d:\\imtest\\Montage\\out.png");
Magick::Blob *b;
// Fail
writeImages(montagelist.begin(), montagelist.end(), b);
Magick::Image imageFromBlob(*b);
imageFromBlob.write("d:\\imtest\\Montage\\outBlob.png");
}