private Shape GetShape(ShapeType type, Point p1, Point p2)
{
if (type == ShapeType.Rectangle)
{
MyRectangle r = new MyRectangle();
int w = Math.Abs(p1.X - p2.X);
int h = Math.Abs(p1.Y - p2.Y);
r.Location = GetMinPoint(p1, p2);
r.Height = h;
r.Width = w;
return(r);
}
else if (type == ShapeType.Circle)
{
MyCircle r = new MyCircle();
int w = Math.Abs(p1.X - p2.X);
int h = Math.Abs(p1.Y - p2.Y);
r.Location = GetMinPoint(p1, p2);
r.Height = h;
r.Width = w;
return(r);
}
else
{
MyLine line = new MyLine();
line.Location = p1;
line.EndLocation = p2;
return(line);
}
}
private void DrawShape(Shape s)
{
if (s is MyRectangle)
{
MyRectangle r = s as MyRectangle;
graphics.DrawRectangle(pen,
r.Location.X, r.Location.Y, r.Width, r.Height);
}
else if (s is MyCircle)
{
MyCircle circle = s as MyCircle;
graphics.DrawEllipse(pen,
circle.Location.X, circle.Location.Y,
circle.Width, circle.Height);
}
else if (s is MyLine)
{
MyLine l = s as MyLine;
graphics.DrawLine(pen, l.Location, l.EndLocation);
}
}
private void DrawShape(Shape s)
{
if (s is MyPencil)
{
MyPencil p = s as MyPencil;
if (p.Points.Count < 1)
{
return;
}
for (int i = 1; i < p.Points.Count; i++)
{
graphics.DrawLine(pen, p.Points[i - 1], p.Points[i]);
}
}
else if (s is MyRectangle)
{
MyRectangle r = s as MyRectangle;
graphics.DrawRectangle(pen,
r.Location.X, r.Location.Y, r.Width, r.Height);
}
else if (s is MyCircle)
{
MyCircle circle = s as MyCircle;
graphics.DrawEllipse(pen,
circle.Location.X, circle.Location.Y,
circle.Width, circle.Height);
}
else if (s is MyLine)
{
MyLine l = s as MyLine;
graphics.DrawLine(pen, l.Location, l.EndLocation);
}
}