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There is a simple MSDN example about WriteableBitmap.
It shows how to draw a freehand line with the cursor by just updating one pixel when the mouse is pressed and is moving over a WPF -Image Control.
writeableBitmap.Lock();
(...set the writeableBitmap.BackBuffers pixel value...)
writeableBitmap…
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I'm trying to overlay a WriteableBitmap with a certain color in Silverlight. I have a black and white base image, which I'm using to create smaller WriteableBitmap images for a new composite image and I want to overlay either the black or white part of the source image cut-out with a certain color…
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Hello, everyone!
I'm trying to figure out how to release a WriteableBitmap memory.
In the next section of code I fill the backbuffer of a WriteableBitmap with a really large amount of data from "BigImage" (3600 * 4800 px, just for testing)
If I comment the lines where bitmap and image are equaled…
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Some time ago i posted a question related to a WriteableBitmap memory leak, and though I received wonderful tips related to the problem, I still think there is a serious bug / (mistake made by me) / (Confusion) / (some other thing) here.
So, here is my problem again:
Suppose we have a WPF application…
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For performance reasons I'm converting a large list of images into a single image. This code does exactly what I want.
Private Function FlattenControl(Control As UIElement) As Image
Control.Measure(New Size(1000, 1000))
Control.Arrange(New Rect(0, 0, 1000, 1000))
Dim ImgSource As New…
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