public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (newPolygon == null)
{
return;
}
Point point = new Point(e.X, e.Y);
int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY);
if (distance < minDistance)
{
newPolygon.MoveHandleTo(point, newPolygon.HandleCount);
}
else
{
newPolygon.AddPoint(point);
lastX = e.X;
lastY = e.Y;
}
drawArea.Refresh();
}
/// <summary>
/// Mouse move - resize new polygon
/// </summary>
/// <param name="drawArea"></param>
/// <param name="e"></param>
public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e)
{
drawArea.Cursor = Cursor;
if (e.Button != MouseButtons.Left)
{
return;
}
if (newPolygon == null)
{
return; // precaution
}
Point point = new Point(e.X, e.Y);
int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY);
if (distance < minDistance)
{
// Distance between last two points is less than minimum -
// move last point
newPolygon.MoveHandleTo(point, newPolygon.HandleCount);
}
else
{
// Add new point
newPolygon.AddPoint(point);
lastX = e.X;
lastY = e.Y;
}
drawArea.Refresh();
}
