private void ContourPresenter_MouseDown(object sender, MouseButtonEventArgs e)
{
var presenter = (ContourPresenterControl)sender;
var size = presenter.RenderSize;
if (!m_isContourInputMode && e.LeftButton == MouseButtonState.Pressed)
{
var point = e.GetPosition(presenter).ToContourPoint(size);
if (IsClosedContour)
{
m_rawContour = new Contour(new ContourAnalysis.Core.Point[] { point, point });
}
else
{
m_rawContour = new Contour(new ContourAnalysis.Core.Point[] { point });
}
m_isContourInputMode = true;
ContourPresenter.CaptureMouse();
ContoursChanged();
}
}
private void ContourPresenter_MouseUp(object sender, MouseButtonEventArgs e)
{
if (m_isContourInputMode)
{
m_isContourInputMode = false;
ContourPresenter.ReleaseMouseCapture();
}
}
private void ContoursChanged()
{
if (m_rawContour == null)
{
return;
}
m_simplifiedContour = m_rawContour.EventlyRearrange().BringLength(TargetLength);
if (ContourPresenter.Contour != m_rawContour)
{
ContourPresenter.Contour = m_rawContour;
}
else
{
ContourPresenter.Draw();
}
SimplifiedContourPresenter.Contour = m_simplifiedContour;
OnContourChanged();
}
