title: Flutter: How to set a max/min scale using matrix_gesture_detector
body: <p>Im trying to make a Column scale/movable. But how can I set a max zoom and a min zoom? So that you don´t zoom to infinity. </p>
  
  <p>Using this method right now: </p>
  
  <pre><code> Matrix4 matrix = Matrix4.identity();
  
       MatrixGestureDetector(
        shouldRotate: false
        onMatrixUpdate: (Matrix4 m, Matrix4 tm, Matrix4 sm, Matrix4 rm) {
          setState(() {
            matrix = m;
          });
        },
        child: Transform(
          transform: matrix,
          child: Column(
        ),
      ),
  </code></pre>