/// <summary>
/// 按住鼠标左键，拖动图片平移
/// </summary>
/// <param name="p"></param>
private void MouseMoveCommand(object[] p)
{
object sender = p[0];
MouseEventArgs e = p[1] as MouseEventArgs;
System.Windows.Controls.Image img = sender as System.Windows.Controls.Image;
if (e.LeftButton == MouseButtonState.Pressed && sender == movingObject)
{
EndPosition = e.GetPosition(img);
TransformGroup tg = img.RenderTransform as TransformGroup;
var tgnew = tg.CloneCurrentValue();
if (tgnew != null)
{
TranslateTransform tt = tgnew.Children[0] as TranslateTransform;
var X = EndPosition.X - StartPosition.X;
var Y = EndPosition.Y - StartPosition.Y;
tt.X += X;
tt.Y += Y;
}
// 重新给图像赋值Transform变换属性
img.RenderTransform = tgnew;
}
}
private void s_ValueChanged5(object sender, RoutedPropertyChangedEventArgs <double> e)
{
Canvas canva = ((tabs.SelectedItem as TabItem).Content as StackPanel).Children[0] as Canvas;
foreach (Image a in canva.Children.OfType <Image>())
{
if (a.Name == (sender as Slider).Name)
{
a.RenderTransform = trGrp;
//trRot.Angle = (sender as Slider).Value;
trSkw.AngleY = (sender as Slider).Value;
//trGrp2 = 0;
trRot2 = trRot.CloneCurrentValue();
trGrp2 = trGrp.CloneCurrentValue();
a.RenderTransform = trGrp2;
break;
}
}
//throw new NotImplementedException();
}
/// <summary>
/// 图片右转
/// </summary>
/// <param name="img">被操作的前台Image控件</param>
public void RotateRight(System.Windows.Controls.Image img)
{
TransformGroup tg = img.RenderTransform as TransformGroup;
var tgnew = tg.CloneCurrentValue();
if (tgnew != null)
{
RotateTransform rt = tgnew.Children[2] as RotateTransform;
img.RenderTransformOrigin = new System.Windows.Point(0.5, 0.5);
rt.Angle += 5;
}
// 重新给图像赋值Transform变换属性
img.RenderTransform = tgnew;
}
private void MinZoomHandle()
{
TransformGroup tg = ZoomGrid.RenderTransform as TransformGroup;
var tgnew = tg.CloneCurrentValue();
if (tgnew != null)
{
ScaleTransform st = tgnew.Children[0] as ScaleTransform;
ZoomGrid.RenderTransformOrigin = new Point(0.5, 0.5);
if (st.ScaleX >= 0.2)
{
st.ScaleX -= 0.05;
st.ScaleY -= 0.05;
}
else if (st.ScaleX <= -0.2)
{
st.ScaleX += 0.05;
st.ScaleY -= 0.05;
}
}
// 重新给图像赋值Transform变换属性
ZoomGrid.RenderTransform = tgnew;
}
