//copy constructor
public Drawing(Drawing d)
{
InitializeComponent();
ClientSize = d.ClientSize;
myImage = d.myImage;
myShapes = new ArrayList();
//copy each shape in list
foreach (Shape s in d.myShapes)
{
myShape = new Rect(0,0,1,1,Color.Black);
//is s a rectangle...?
if (myShape.GetType() == s.GetType()) myShape = new Rect((Rect)s);
else
{
//is it an oval...?
myShape = new Oval(0,0,1,1,Color.Black);
if (myShape.GetType() == s.GetType()) myShape = new Oval((Oval)s);
else
{
//is it a line...?
myShape = new Segment(0,0,1,1,Color.Black,1);
if (myShape.GetType() == s.GetType()) myShape = new Segment((Segment)s);
else
{
//is it a triangle...?
Point p1 = new Point();
Point p2 = new Point();
Point p3 = new Point();
myShape = new Triangle(p1,p2,p3,Color.Black);
if (myShape.GetType() == s.GetType()) myShape = new Triangle((Triangle)s);
}
}
}
myShape.MyColor = s.MyColor;
myShape.MyCenter = s.MyCenter;
myShapes.Add(myShape);
}
myShape = d.myShape;
offGraphics = d.offGraphics;
visGraphics = d.visGraphics;
offBitmap = d.offBitmap;
offGraphics = Graphics.FromImage(offBitmap);
myColor = d.myColor;
}
public void copy(Shape s)
{
Shape temp;
if (s!=null)
{
temp = new Rect(0,0,1,1,Color.Black);
//is s a rectangle...?
if (temp.GetType() == s.GetType()) temp = new Rect((Rect)s);
else
{
//is it an oval...?
temp = new Oval(0,0,1,1,Color.Black);
if (temp.GetType() == s.GetType()) temp = new Oval((Oval)s);
else
{
//is it a line...?
temp = new Segment(0,0,1,1,Color.Black,1);
if (temp.GetType() == s.GetType()) temp = new Segment((Segment)s);
else
{
//is it a triangle...?
Point p1 = new Point();
Point p2 = new Point();
Point p3 = new Point();
temp = new Triangle(p1,p2,p3,Color.Black);
if (temp.GetType() == s.GetType()) temp = new Triangle((Triangle)s);
}
}
}
//put the brand new copy into myShapes right after(above in the picture) the original
myShapes.Insert(myShapes.IndexOf(s)+1,temp);
}
//if s is null, do nothing
return;
}
