private void drawRectangle(Graphics g, GraphicElements current, Pen pen)
{
int x = current.X, y = current.Y, dx = current.DX, dy = current.DY;
if (dx < 0)
{
x = x + dx;
dx = -dx;
}
if (dy < 0)
{
y = y + dy;
dy = -dy;
}
g.DrawRectangle(pen, x, y, dx, dy);
}
private void drawEllipse(Graphics g, GraphicElements current, Pen pen)
{
int x = current.X, y = current.Y, dx = current.DX, dy = current.DY;
if (current.DX < 0)
{
x = current.X + current.DX;
dx = -current.DX;
}
if (current.DY < 0)
{
y = current.Y + current.DY;
dy = -current.DY;
}
g.DrawEllipse(pen, x, y, dx, dy);
}
private void CreateCurrent(ElementType type)
{
current = new GraphicElements {
type = type
};
}
private void drawLine(Graphics g, GraphicElements current, Pen pen)
{
g.DrawLine(pen, current.X, current.Y, current.X + current.DX, current.Y + current.DY);
}