Interface OBJ_ZoomInstant

Instantaneous zoom metrics.

• mag number — zoom magnification
• position Point — position around which zoom is happening
• normPosition Point — position around which zoom is happening normalized to the gesture rectangle where (0, 0) is the bottom left corner and (1, 1) is the top right corner
• angle number — (pinch zoom only) pinch angle delta to start of pinch
• distance number — (pinch zoom only) distance between pinch points