Difference between getPixels() and getPixelsRef()

@claire wrote:

Hi everybody,
can anyone explain the differences between these two lines of code?

Img.setFromPixels(grabber.getPixelsRef());

and

Img.setFromPixels(grabber.getPixels(), 320, 240);

Img is an instance of class ofxCvColorImage

Thanks to whoever will respond!

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