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Performance considerations

Dec 24, 2011 at 1:24 AM


Are there any performance considerations when using WriteableBitmaps that one should be aware of?

For example, I seem to be getting excessive allocations (a lot of instances of System.Int32[]) in my app, but I work only with 2-3 WriteableBitmaps and perform mostly simple tasks such as Rotating like this

_originalBitmap = _originalBitmap.Rotate(90);

And the memory jumps for more than 20MB every time.

Any ideas what I might be doing wrong there?