private bool isContourFree(ElementSequence contour)
{
foreach (ElementSequence checkContour in Contours.Where(i => i.Nodes.Length == contour.Count))
{
int i = -1;
while (++i < contour.Count)
{
if (!checkContour.Nodes.Contains(contour.Nodes[i]))
{
break;
}
}
if (i == contour.Count)
{
return(false);
}
}
return(true);
}
public ContouredImage(string imageFile)
{
GreyImage = getPreprocessedImage(imageFile);
//!!!try to make more primitive
//Mat tmp = grey.clone();
//morphologyEx(tmp, tmp, MORPH_GRADIENT, getStructuringElement(MORPH_ELLIPSE, Size(3, 3)));
//bitwise_not(tmp, tmp);
//!!!try to smooth
//epsilon = 0.1 * cv.arcLength(cnt, True)
//approx = cv.approxPolyDP(cnt, epsilon, True)
Emgu.CV.CvInvoke.FindContours(GreyImage, CvContours, Hierarchy, RetrType.List, ChainApproxMethod.ChainApproxSimple);
Array hierarchy = Hierarchy.GetData();
for (int i = 0; i < CvContours.Size; i++)
{
Contours.Add(new Contour(hierarchy, i, CvContours[i]));
}
RobustContours = Contours.Where(x => x.Points.Size >= MinContourPointCount).ToList();//!!!RotatedRect cannot be calculated for Points.Size < 5
}
public void PointsInputHandler(object sender, MouseEventArgs e)
{
Contour currentContour = Contours.FirstOrDefault(x => !x.IsCompleted);
if (currentContour == null)
{
currentContour = new Contour(Contours.Count + 1);
Contours.Add(currentContour);
}
var newPoint = new Point(e.X, _drawer.CanvasHeight - e.Y)
{
Index = _lastPointIndex + 1
};
if (currentContour.Head == null)
{
currentContour.Add(newPoint);
_drawer.DrawPoints(Pens.Black, newPoint);
//Ekaterina
_drawer.RefreshImage();
//end Ekaterina
_lastPointIndex++;
}
else
{
if (currentContour.Tail == null)
{
var newLineSegment = new LineSegment(currentContour.Head, newPoint);
if (Contours.Where(x => x != currentContour).Any(x => x.IntersectsWithLineSegment(newLineSegment, IntersectionCheckOptions.WithEdgePoints)) ||
currentContour.IntersectsWithLineSegment(newLineSegment, IntersectionCheckOptions.WithoutEdgePoints))
{
MessageBox.Show(ErrorMessageBoxMessage, ErrorMessageBoxTitle);
}
else
{
currentContour.Add(newPoint);
_drawer.DrawLineSegments(Pens.Black, newLineSegment);
_lastPointIndex++;
}
}
else
{
var newLineSegment = new LineSegment(currentContour.Tail, newPoint);
if (Contours.Where(x => x != currentContour).Any(x => x.IntersectsWithLineSegment(newLineSegment, IntersectionCheckOptions.WithEdgePoints)) ||
currentContour.IntersectsWithLineSegment(newLineSegment, IntersectionCheckOptions.WithoutEdgePoints))
{
MessageBox.Show(ErrorMessageBoxMessage, ErrorMessageBoxTitle);
}
else
{
currentContour.Add(newPoint);
if (!currentContour.IsCompleted)
{
_drawer.DrawLineSegments(Pens.Black, newLineSegment);
_lastPointIndex++;
}
else
{
_drawer.DrawLineSegments(Pens.Black, new LineSegment(currentContour.Tail, currentContour.Head));
}
}
}
}
if (currentContour.IsCompleted)
{
_tabControlHelper.CreatePageForContour(currentContour);
}
}
