Function usePinchGesture

usePinchGesture(
    canvasRef: RefObject<HTMLCanvasElement | null>,
    onPinch: (anchor: { x: number; y: number }, scaleFactor: number) => void,
    enabled?: boolean,
): void
Detects two-finger pinch on a canvas element.
Parameters
- canvasRef: RefObject<HTMLCanvasElement | null>
- onPinch: (anchor: { x: number; y: number }, scaleFactor: number) => void
  Called with the gesture midpoint in client coordinates and a per-frame scale factor (ratio of current distance to previous frame's distance, not cumulative from gesture start). With 3+ fingers, the first two by insertion order are tracked.
- enabled: boolean = true
Returns void
- Defined in packages/core/src/core/viewport/usePinchGesture.ts:18