SUMMARY Add API for setting the scroll position of the canvas from python STEPS TO REPRODUCE 1. Create any image 2. Interact with the image by zooming and dragging 3. Try to do the interaction through the python api OBSERVED RESULT There is no API for setting the scroll setting EXPECTED RESULT I would like to do something like `canvas.set_scroll_position(offsetx, offsety, scalex, scaley)` from python.