getting color from a pixel on canvas

I did not find (maybe it is there) a method to get a pixel's color from the canvas.
There is a setColorAt but not getColorAt ...

Is there a way to do so? or if I have a image posted on canvas, there is another
way to do it? other than getting the pixel from the image object itself.

Thanks.

Tee Shift

Access the image and then use QImage::getPixel().