Question

我试图创建一个放大和缩小图像并通过Kinect旋转的应用程序。到目前为止它适用于任何一种情况。我想要的是，如果我旋转了图像，那么在我缩放时会保存新值，所以我放大了旋转了X度的图像。我现在的方式，如果我先旋转然后尝试缩放，图像会回到初始阶段。

        private void TrackDistances(Skeleton skeleton)
        {
        if (skeleton.TrackingState == SkeletonTrackingState.Tracked)
        {
            ...
            if (wristLeft.Y > shoulderLeft.Y && wristRight.Y > shoulderRight.Y)
            {
                float distance = Math.Abs(wristLeft.X - wristRight.X);
                image_Zoom(distance);
             }

            if (wristLeft.Y < shoulderLeft.Y && wristRight.Y < shoulderRight.Y)
            {
                angleDeg = GetJointAngle(zeroPoint, anglePoint);
                image_Rotate(angleDeg);
            }
        }
    }
    private void image_Zoom(float distance)
    {
        //TransformGroup transformGroup = (TransformGroup)image.RenderTransform;
        //ScaleTransform scale = (ScaleTransform)transformGroup.Children[0];
        //double zoom = distance * 1.5;
        //scale.ScaleX = zoom;
        //scale.ScaleY = zoom;

        double zoom = distance * 1.5;
        double ScaleX = zoom;
        double ScaleY = zoom;
        ScaleTransform scale = new ScaleTransform(ScaleX, ScaleY);
        image.RenderTransform = scale;
    }

    private void image_Rotate(double angleDeg)
    {
        var angle = angleDeg - 180;
        RotateTransform rotate = new RotateTransform(angle);
        image.RenderTransform = rotate;
    }

有什么建议吗？

谢谢！

Answer 1

我认为这是因为您将RenderTransform更改为ScaleTranform或RotateTransform。您可以在XAML中设置图像的ScaleTransform和RotateTransform，只需更改后面代码中的角度或缩放参数。

另见： How can I do both zoom and rotate on an inkcanvas?

使用Kinect进行图像处理

1 个答案: