public override bool OnMouseUp(MouseEventArgs param, ref bool isScreenDirty)
{
var sender = param.Source as DXElement;
if (sender == null)
{
return(false);
}
if (_isVisible)
{
_isVisible = false;
// Create new Polygon
float top = Math.Max(_downPos.Y, _curPos.Y);
float bottom = Math.Min(_downPos.Y, _curPos.Y);
float left = Math.Min(_downPos.X, _curPos.X);
float right = Math.Max(_downPos.X, _curPos.X);
float centerX = (top + bottom) / 2.0f;
float centerY = (left + right) / 2.0f;
left -= centerX;
right -= centerX;
top -= centerY;
bottom -= centerY;
var vertices = new List <Polygon.Vertex>()
{
new Polygon.Vertex()
{
Id = 0, Y = top, X = left
},
new Polygon.Vertex()
{
Id = 1, Y = top, X = right
},
new Polygon.Vertex()
{
Id = 2, Y = bottom, X = right
},
new Polygon.Vertex()
{
Id = 3, Y = bottom, X = left
}
};
var position = new Vector2(centerX, centerY);
var polygon = new Polygon(position, vertices, Color, string.Format("Rectangle{0}", _RectangleCounter++));
//_models.Add(polygon);
_items.AddItem(polygon);
isScreenDirty = true;
sender.Render();
}
if (_downPos == default(Vector2))
{
return(false);
}
_downPos = default(Vector2);
return(true);
}