private void AddIntersectAction(object sender, MouseEventArgs e)
{
if (selectedSeg1 == null)
{
double mouseX = cs1.VisualToRealX(e.X);
double mouseY = cs1.VisualToRealY(e.Y);
clickPoint = new RealPoint(mouseX, mouseY);
selectedSeg1 = (RealSegment)SelectFigure(clickPoint);
if (selectedSeg1 != null)
{
selectedSeg1.SetBackLight();
}
this.Text = "select first segment";
}
else
{
double mouseX = cs1.VisualToRealX(e.X);
double mouseY = cs1.VisualToRealY(e.Y);
clickPoint = new RealPoint(mouseX, mouseY);
this.Text = "select second segment";
selectedSeg2 = (RealSegment)SelectFigure(clickPoint);
if (selectedSeg2 != null)
{
selectedSeg1.UnSetBackLight();
RealIntersect intersectPoint = new RealIntersect(selectedSeg1, selectedSeg2);
realFigureList.Add(intersectPoint);
selectedSeg1 = null;
selectedSeg2 = null;
}
}
}
private void MiddlePointAction(object sender, MouseEventArgs e)
{
double mouseX = cs1.VisualToRealX(e.X);
double mouseY = cs1.VisualToRealY(e.Y);
clickPoint = new RealPoint(mouseX, mouseY);
selectedSeg1 = SelectFigure(clickPoint) as RealSegment;
if (selectedSeg1 != null)
{
selectedSeg1.SetBackLight();
RealPoint middlePoint = new RealPoint(
(selectedSeg1.firstPoint.x + selectedSeg1.secondPoint.x) / 2,
(selectedSeg1.firstPoint.y + selectedSeg1.secondPoint.y) / 2);
realFigureList.Add(middlePoint);
}
this.Text = "MiddlePointAction select first segment";
}
private void AddLineAction(object sender, MouseEventArgs e)
{
double x;
double y;
if (RoundingButton.Checked)
{
x = Math.Round(cs1.VisualToRealX(e.X));
y = Math.Round(cs1.VisualToRealY(e.Y));
}
else
{
x = cs1.VisualToRealX(e.X);
y = cs1.VisualToRealY(e.Y);
}
if (creatingLine)
{
if (RoundingButton.Checked)
{
selectedPoint.x = Math.Round(selectedPoint.x);
selectedPoint.y = Math.Round(selectedPoint.y);
}
selectedPoint = null;
creatingLine = false;
}
else
{
firstPoint = new RealPoint(x, y);
realFigureList.Add(firstPoint);
secondPoint = new RealPoint(x, y);
realFigureList.Add(secondPoint);
RealSegment rs = new RealSegment(firstPoint, secondPoint);
realFigureList.Add(rs);
selectedPoint = secondPoint;
creatingLine = true;
}
}
public RealIntersect(RealSegment ab, RealSegment cd)
{
this.ab = ab;
this.cd = cd;
intersectPoint = new RealPoint(0, 0);
}