pinch-to-zoom
Version:
Pinch to zoom
9 lines (8 loc) • 476 B
TypeScript
export interface ITouchCoordinates {
clientX: number;
clientY: number;
}
export declare function getLengthOfLine(point1: Touch, point2: Touch): number;
export declare function getMiddleOfLine(point1: Touch, point2: Touch): ITouchCoordinates;
export declare function getMiddleTouchOnElement(touches: TouchList, boundingRect: ClientRect | DOMRect): ITouchCoordinates;
export declare function isTouchesInsideRect(touches: TouchList, rect: ClientRect | DOMRect): boolean;