root/branches/Carsten_PtrWork2/Tools/osgBench/Image.cpp

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//---------------------------------------------------------------------------
//  Includes
//---------------------------------------------------------------------------

#include <OpenSG/OSGLog.h>
#include <Image.h>


Image::Image(void)
{
    _image = OSG::NullFC;
}

Image::Image(const Image &copy)
{
    _image = copy._image;
}

Image::Image(OSG::ImagePtr image)
{
    _image = image;
}

Image::~Image()
{
}


void Image::write(std::string filename)
{
    _image->write(filename.c_str());
}
    
Image Image::clone(void)
{
    Image clone;
    
    clone._image = OSG::Image::create();
    // beginEditCP(clone._image);
    clone._image->set(_image);
    // endEditCP(clone._image);
    
    return clone;
}

    
void Image::diff(Image img)
{
    if( _image->getWidth() != img._image->getWidth() ||
        _image->getHeight() != img._image->getHeight() ||
        _image->getPixelFormat() != img._image->getPixelFormat())
    {
        FWARNING(("Image::diff: incompatible images!"));
        return;
    }
    
    // beginEditCP(_image);

    const OSG::UInt8 *sdata = img._image->getData();
          OSG::UInt8 *ddata = _image->editData();
  
    OSG::UInt32 nb = _image->getSize(false,false,false);
    
    for(OSG::UInt32 i = 0; i < nb; ++i, ++sdata, ++ddata)
    {
        *ddata = OSG::osgabs(*ddata - *sdata);
    }
    
    // endEditCP(_image);
}