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How to change the pixelformat of a TWICImage in Delphi 2010

I have a TWicImage, IWicBitmap and a IWicBitmapSource that works nicely to display all the supported graphic fileformats, allows Rotation, Flip Horizontal, Flip Vertical, Scaleing and Clipping. All of these seem to work well and I can get the WicImages pixelformat, but i can not figure out how to change or set a TWicImage's pixelformat.

I created a dialog to return WICPixelFormatGUID to be used as the pixelformat for the transformation.

Can anyone share some code that demonstrates how to change the pixelformat of a WicImage with IWICColorTransform or other Wincodec method?

Thanks,

Bill

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