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Zvonimir Tusek
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566
One image (kinect depth map) as opacityMask for other image
Oct 20 2019 3:37 PM
Hi, I have two image controls.
I want to use Img1 as a OpacityMask of Img2.
<Image Name="Img1" Width="500" Height="500" />
<Image Name="Img2" Width="500" Height="500" Source="c:\temp\background.jpg" />
Img1 - image to apply mask to
Img2 - image to apply mask from
The
source of Img1
is being read from
kinect depth image:
(I'm using OpenCV)
var depthBmp = depthFrame.SliceDepthImage((int)sliderMin.Value, (int)sliderMax.Value);
Image<Bgr, Byte> openCVImg = new Image<Bgr, byte>(depthBmp.ToBitmap()); outImg.Source = ImageHelpers.ToBitmapSource(openCVImg);
Img1.Source = ImageHelpers.ToBitmapSource(openCVImg);
-------------------------------------------------------------------------------------------
When I create ImageBrush, set its Imagesource to Img1.Source and apply OpacityMask from Brush, nothing happens, Img2 is shown without mask:
brush = new ImageBrush();
brush.ImageSource = Img1.Source;
Img2.OpacityMask = brush;
-----------------------------------------------------------------------------------------
For example, the mask is applied when I use BitmapImage as ImageSource of ImageBrush:
BitmapImage Img3 = new BitmapImage(new Uri(@"c:\temp\turtle.png", UriKind.Absolute));
brush = new ImageBrush();
brush.ImageSource = Img3.Source;
Img2.OpacityMask = brush;
--------------------------------------------------------------------------------------------
Tnx.
Zvonimir
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