setViewDimension method
Implementation
Dimension setViewDimension(double width, double height) {
assert(width >= 0);
assert(height >= 0);
if (_mapDimension.width == width * viewScaleFactor &&
_mapDimension.height == height * viewScaleFactor) return _mapDimension;
_mapDimension =
Dimension(width * viewScaleFactor, height * viewScaleFactor);
if (_mapViewPosition != null) {
_injectPosition.add(_mapViewPosition!);
}
return _mapDimension;
}