/// <summary>
/// 构造路径信息
/// </summary>
/// <param name="map"></param>
public DrawPath(MapModel map, DrawFormat format)
{
this.map = map;
this.format = format;
this.path = new Bitmap(format.Width, format.Height);
this.draw(map);
}
/// <summary>
/// constructor with DrawPath
/// </summary>
public DrawPolygon(MapModel mapModel, DrawFormat format)
{
// save path image and mapmodel
this.mapModel = mapModel;
this.format = format;
// try to draw background of path here
img = new Bitmap(format.Width, format.Height);
this.draw(mapModel);
}