/// <summary> Pointer pressed. </summary>
///
/// <param name="pointX"> The x coordinate. </param>
/// <param name="pointY"> The y coordinate. </param>
public void PressPointer(double pointX, double pointY)
{
if (pointX > 0 && pointY > 0)
{
_firstPointX = pointX;
_firstPointY = pointY;
if (_drawType == DrawType.Line)
{
_shape = ShapeFactory.GetLine(_firstPointX, _firstPointY, 0, 0);
}
else if (_drawType == DrawType.Diamond)
{
_shape = ShapeFactory.GetDiamond(_firstPointX, _firstPointY, 0, 0);
}
else if (_drawType == DrawType.Ellipse)
{
_shape = ShapeFactory.GetEllipse(_firstPointX, _firstPointY, 0, 0);
}
_isPressed = true;
}
}
/// <summary> Releases the shape. </summary>
///
/// <exception cref="KeyNotFoundException"> Thrown when a Key Not Found error condition occurs. </exception>
///
/// <param name="pointX"> The x coordinate. </param>
/// <param name="pointY"> The y coordinate. </param>
private void ReleaseShape(double pointX, double pointY)
{
IShape shape;
if (_drawType == DrawType.Line)
{
shape = ShapeFactory.GetLine(_firstPointX, _firstPointY, pointX, pointY);
}
else if (_drawType == DrawType.Diamond)
{
shape = ShapeFactory.GetDiamond(_firstPointX, _firstPointY, pointX, pointY);
}
else if (_drawType == DrawType.Ellipse)
{
shape = ShapeFactory.GetEllipse(_firstPointX, _firstPointY, pointX, pointY);
}
else
{
return;
}
ICommand newCommand = new DrawCommand(this, shape);
_commandManager.ExecuteNewCommand(newCommand);
}