ViewBox constructor

ViewBox(double northLatitude, double southLatitude, double eastLongitude, double westLongitude,)

Implementation

ViewBox(
  this.northLatitude,
  this.southLatitude,
  this.eastLongitude,
  this.westLongitude,
)   : assert(
        northLatitude > southLatitude,
        'north latitude has to be greater than south latitude',
      ),
      assert(
        eastLongitude > westLongitude,
        'east longitude has to be greater than west longitude',
      ),
      assert(
        northLatitude <= 90,
        'north latitude must be smaller than or equals 90',
      ),
      assert(
        southLatitude >= -90,
        'south latitude must be greater than or equals -90',
      ),
      assert(
        eastLongitude <= 180,
        'east longitude must be smaller than or equals 180',
      ),
      assert(
        westLongitude >= -180,
        'east longitude must be greater than or equals -180',
      );