void CvMatDataInputPin::checkImageFormat( const CvMatData& mat )
{
if( !supportsDepth( mat.depth()) )
{
QString msg = QString("Depth \"%1\" unsupported by input pin \"%2\"")
.arg( CvMatData::depthToString( mat.depth() ) )
.arg( this->getName() );
throw PlvRuntimeException( msg, __FILE__, __LINE__ );
}
if( !supportsChannels(mat.channels()) )
{
QString msg = "Number of channels " %
QVariant(mat.channels()).toString() %
" unsupported by input pin \"" % this->getName() %
"\". Supports channels (";
QString channelsStr;
channelsStr.reserve( (2 * m_channels.size()) + 2 );
QList<int> channelList = m_channels.toList();
int lastIdx = channelList.size() - 1;
for( int i = 0; i < channelList.size(); ++i )
{
channelsStr += QVariant(channelList.at(i)).toString();
if( i != lastIdx )
channelsStr += ",";
}
msg += channelsStr + ").";
throw PlvRuntimeException( msg, __FILE__, __LINE__ );
}
}
void DistanceTransform::process()
{
//get the input image
CvMatData img = m_inputPin->get();
// open input images for reading
const cv::Mat& src = img;
if(img.channels() != 1)
qDebug() << "Wrong number of channels";
if(img.depth() != CV_8U && img.depth() != CV_8S)
qDebug() << "Wrong depth in the image";
//get a destination image with the distance values.
CvMatData out = CvMatData::create( img.width(), img.height(), CV_32FC1 );
// open output image for writing
cv::Mat& dst = out;
//DistanceTransform both images
try{
cv::distanceTransform(src, dst, m_distanceType.getSelectedValue(), m_maskSize.getSelectedValue());
}
catch(std::exception &e){
//Don't know why but this try/catch block prevents exception troubles.
qDebug() << "exception: " << e.what();
throw;
}
// publish the new image
m_outputPin->put( out );
}