///<summary>
 ///</summary>
 ///<returns></returns>
 public bool RewindScanlines()
 {
     _rasterizer.SortCells();
     if (_rasterizer.TotalCells == 0)
     {
         return(false);
     }
     if (_maxStyle < _minStyle)
     {
         return(false);
     }
     _scanY = _rasterizer.MinY();
     _activeStyles.Allocate((uint)(_maxStyle - _minStyle + 2), 128);
     AllocateMasterAlpha();
     return(true);
 }
 public int MinY()
 {
     return(m_outline.MinY());
 }