/// <summary>
/// 撤销
/// </summary>
public void undo()
{
TransformGroup transform = (TransformGroup)image.RenderTransform;
TransformCollection transformcollection = transform.Children;
transformcollection.RemoveAt(transformcollection.Count - 1);
}
/// <summary>
/// 是否真的旋转
/// </summary>
/// <returns></returns>
public bool isRealRotate()
{
TransformGroup transform = (TransformGroup)image.RenderTransform;
TransformCollection transformcollection = transform.Children;
//找到最后一个translate，判断是否发生旋转
RotateTransform translate = (RotateTransform)transformcollection[transform.Children.Count - 1];
if (Math.Abs(translate.Angle) < 0.0005)
{
transformcollection.RemoveAt(transformcollection.Count - 1);
return(false);
}
return(true);
}