void NWcolorGradientWidget::deleteColor( void )
{
CFcolorGradient& colorGradient( m_gradientPlug->editableValue<CFcolorGradient>() );
colorGradient.deleteKey( m_selectedHandle );
m_gradientPlug->notifyChange();
update();
}
void NWcolorGradientWidget::setSmoothInterp( void )
{
CFcolorGradient& colorGradient( m_gradientPlug->editableValue<CFcolorGradient>() );
colorGradient.setInterpolation( CFcolorGradient::kSmooth );
m_gradientPlug->notifyChange();
update();
}
void NWcolorGradientWidget::changeColor( void )
{
CFcolorGradient& colorGradient( m_gradientPlug->editableValue<CFcolorGradient>() );
QColor newColor( QColorDialog::getColor( colorGradient[ m_selectedHandle ].value().asQColor(), this ) );
if( newColor.isValid() )
{
colorGradient.setKeyValue( m_selectedHandle, newColor );
m_gradientPlug->notifyChange();
update();
}
}
void NWcolorGradientWidget::mouseMoveEvent( QMouseEvent* event )
{
if( m_dragging )
{
CFfloat position = toGradientSpace( event->x() );
if( position < 0.0 ) position = 0.0;
if( position > 1.0 ) position = 1.0;
CFcolorGradient& colorGradient( m_gradientPlug->editableValue<CFcolorGradient>() );
m_selectedHandle = colorGradient.moveKey( m_selectedHandle, position );
m_gradientPlug->notifyChange();
update();
}
}
void EdgeDetector::canny(Mat src,vector<Mat> &dst,vector<double> lower,vector<double> higher,int aperture)
{
Mat fmag,fori,disp;
s=Size(src.cols,src.rows);
smoothing(src,src,aperture);
if(src.channels()>1)
colorGradient(src,fmag,fori,aperture);
else
{
Mat dx,dy;
//computing gradients along x and y direction
cv::Sobel(src,dx,CV_32F,1,0,aperture,1, 0, cv::BORDER_REPLICATE);
cv::Sobel(src,dy,CV_32F,0,1,aperture,1, 0, cv::BORDER_REPLICATE);
//compute magnitude and orientation of gradient
cv::cartToPolar(dx,dy,fmag,fori,true);
}
//perform non maxima suppression
nonMaxima(fmag,fori);
Mat hout;
dst.resize(lower.size());
for(int i=0;i<lower.size();i++)
{
//apply lower and higher gradient thresholds
cv::threshold(fmag,hout,lower[i],255,CV_THRESH_BINARY);
cv::threshold(fmag,lout,higher[i],255,CV_THRESH_BINARY);
connectedComponent(hout);
_lable.copyTo(dst[i]);
}
}
void NWcolorGradientWidget::mousePressEvent( QMouseEvent* event )
{
unsigned int i;
CFcolorGradient& colorGradient( m_gradientPlug->editableValue<CFcolorGradient>() );
// If clicked on the gradient
//
if( m_gradiantArea.contains( event->pos(), true ) )
{
// Insert a new color handle
//
if( event->button() == Qt::LeftButton )
{
CFfloat position = toGradientSpace( event->x() );
m_selectedHandle = colorGradient.insertKey
(
CFcolorGradient::Key( position, colorGradient.evaluate( position ) )
);
m_gradientPlug->notifyChange();
update();
// And begin dragging it
//
m_dragging = true;
}
else if( event->button() == Qt::RightButton )
{
m_interpolationMenu->exec( event->globalPos() );
}
}
// Else find ( if any ) the handle which was clicked on
//
else for( i = 0; i < m_handlePositions.size(); i++ )
{
if( ( event->pos() - m_handlePositions[ i ] ).manhattanLength() < ( m_handleRadius + 3 ) )
{
// Select the handle which was clicked on
//
m_selectedHandle = i;
update();
// Show context menu
//
if( event->button() == Qt::RightButton )
{
m_deleteColorAction->setEnabled( colorGradient.keyCount() > 1 );
m_handleMenu->exec( event->globalPos() );
}
// Or begin dragging the handle
//
else if( event->button() == Qt::LeftButton )
{
m_dragging = true;
}
break;
}
}
}
