public static void Clear()
{
Graphics g = Graphics.FromImage(Mybitmap);
g.Clear(Color.White);
Mypanel.Invalidate();
}
public static void DrawRectangle(int width, int height)
{
Graphics g = Graphics.FromImage(Mybitmap);
g.DrawRectangle(new Pen(Color.Black, penT), xPos, yPos, width, height);
Mypanel.Invalidate();
}
public static void DrawCircle(int radius)
{
Graphics g = Graphics.FromImage(Mybitmap);
g.DrawEllipse(new Pen(Color.Aqua, penT), xPos, yPos, radius, radius);
Mypanel.Invalidate();
}
public static void DrawPen(int x, int y)
{
Graphics g = Graphics.FromImage(Mybitmap);
g.DrawLine(new Pen(Color.Purple, penT), new Point(xPos, yPos), new Point(x, y));
PenPosition(x, y);
Mypanel.Invalidate();
}
public static void DrawTriangle(int firstSide, int secondSide)
{
Point[] triPoints = new Point[3];
triPoints[0] = new Point(xPos, yPos);
triPoints[1] = new Point(firstSide + xPos, firstSide + yPos);
triPoints[2] = new Point(triPoints[1].X - secondSide, triPoints[1].Y);
Graphics g = Graphics.FromImage(Mybitmap);
g.DrawPolygon(new Pen(Color.Red, penT), triPoints);
Mypanel.Invalidate();
}