private Line AddLineToCanvas(BeweglicherPunkt p1, BeweglicherPunkt p2)
{
Line line = new Line();
line.Visibility = Visibility.Visible;
line.StrokeThickness = 4;
line.Stroke = Brushes.Black;
line.X1 = p1.PPoint.X;
line.Y1 = p1.PPoint.Y;
line.X2 = p2.PPoint.X;
line.Y2 = p2.PPoint.Y;
canvas.Children.Add(line);
return(line);
}
public Viereck(Canvas canvas1)
{
//form button
canvas = canvas1;
pointA = null;
pointB = null;
pointC = null;
pointD = null;
allePunkte = new List <BeweglicherPunkt> {
pointA,
pointB,
pointC,
pointD
};
}
public void AddPoint(Point point)
{
if (pointA == null)
{
pointA = new BeweglicherPunkt(point, canvas);
return;
}
if (pointB == null)
{
pointB = new BeweglicherPunkt(point, canvas);
pointA.AddEndPunkt(pointB);
pointB.AddStartPunkt(pointA);
lineA = AddLineToCanvas(pointA, pointB);
pointA.AddLineStart(lineA);
pointB.AddLineEnd(lineA);
return;
}
if (pointC == null)
{
pointC = new BeweglicherPunkt(point, canvas);
pointB.AddEndPunkt(pointC);
pointC.AddStartPunkt(pointB);
lineB = AddLineToCanvas(pointB, pointC);
pointB.AddLineStart(lineB);
pointC.AddLineEnd(lineB);
return;
}
if (pointD == null)
{
pointD = new BeweglicherPunkt(point, canvas);
pointC.AddEndPunkt(pointD);
pointD.AddStartPunkt(pointC);
pointD.AddEndPunkt(pointA);
pointA.AddStartPunkt(pointD);
lineC = AddLineToCanvas(pointC, pointD);
pointC.AddLineStart(lineC);
pointD.AddLineEnd(lineC);
lineD = AddLineToCanvas(pointD, pointA);
pointD.AddLineStart(lineD);
pointA.AddLineEnd(lineD);
defined = true;
}
}
internal void AddEndPunkt(BeweglicherPunkt point)
{
end = point;
}
internal void AddStartPunkt(BeweglicherPunkt point)
{
start = point;
}
