/// <summary>
/// Left nouse button is pressed
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseDown(IToolDrawArea drawArea, MouseEventArgs e)
{
if (draw == null)
{
property = new PolygonProperty();
property.InitProperty();
property.AddPoint(new Point(e.X, e.Y));
property.AddPoint(new Point(e.X + 1, e.Y + 1));
draw = new DrawPolygon(property);
drawArea.AddNewDrawObject(draw);
lastX = e.X;
lastY = e.Y;
}
else
{
var point = new Point(e.X, e.Y);
int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY);
if (distance < minDistance)
{
draw.MoveHandleTo(point, draw.HandleCount);
}
else
{
property.AddPoint(point);
lastX = e.X;
lastY = e.Y;
}
}
}
/// <summary>
/// Right mouse button is released
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnRightMouseUp(IToolDrawArea drawArea, MouseEventArgs e)
{
property = null;
draw = null;
base.OnMouseUp(drawArea, e);
}
