getBoundingBox static method

Rect getBoundingBox(
  1. Rect rect1,
  2. Rect rect2
)

计算2个矩形的外接矩形，用于计算圆点摸tip的位置

Implementation

static Rect getBoundingBox(Rect rect1, Rect rect2) {
  // 计算外接矩形的边界
  double minX = rect1.left < rect2.left ? rect1.left : rect2.left;
  double minY = rect1.top < rect2.top ? rect1.top : rect2.top;

  double maxX = rect1.right > rect2.right ? rect1.right : rect2.right;
  double maxY = rect1.bottom > rect2.bottom ? rect1.bottom : rect2.bottom;
  // 返回外接矩形
  return Rect.fromLTRB(minX, minY, maxX, maxY);
}