////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Copy constructor.
* @param region map object copy from.
*/
public MapRegion(MapRegion region)
: base(region)
{
SetMapObjectType(REGION);
PenStyle = new MapPen(region.PenStyle);
BrushStyle = new MapBrush(region.BrushStyle);
Region = new GeoPolygon(region.Region);
CenterPt = new GeoLatLng(region.CenterPt);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Copy constructor.
* @param multiRegion map object copy from.
*/
public MapMultiRegion(MapMultiRegion multiRegion)
: base(multiRegion)
{
SetMapObjectType(MULTIREGION);
PenStyle = new MapPen(multiRegion.PenStyle);
BrushStyle = new MapBrush(multiRegion.BrushStyle);
Regions = new GeoPolygon[multiRegion.Regions.Length];
for (int i = 0; i < Regions.Length; i++)
{
Regions[i] = new GeoPolygon(multiRegion.Regions[i]);
}
CenterPt = new GeoLatLng(multiRegion.CenterPt);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Creates a polygon from encoded strings of aggregated points and _levels.
* _zoomFactor and _numLevels these two values determine the precision
* of the _levels within an encoded polygon.
* @param _strokeColor the color of the polygon.
* @param _strokeWeight Width of the line in pixels.
* @param _strokeOpacity the opacity of the polygon.
* @param _fillColor the inner color of the polygon.
* @param _fillOpacity the inner opacity of the polygon.
* @param points a string containing the encoded latitude and longitude
* coordinates.
* @param _zoomFactor the magnification between adjacent sets of zoom _levels
* in the encoded _levels string.
* @param _levels a string containing the encoded polygon zoom level groups.
* @param _numLevels the number of zoom _levels contained in the encoded _levels string.
* @return Geo polygon object.
*/
public static GeoPolygon FromEncoded(int strokeColor, int strokeWeight,
double strokeOpacity, int fillColor, double fillOpacity,
String points, int zoomFactor, String levels, int numLevels)
{
ArrayList trk = PolylineEncoder.CreateDecodings(points);
GeoLatLng[] array = new GeoLatLng[trk.Count];
var temp = trk.ToArray();
for (int i = 0; i < temp.Length; i++)
{
array[i] = (GeoLatLng)temp[i];
}
GeoPolygon polygon = new GeoPolygon(array, strokeColor, strokeWeight, strokeOpacity,
fillColor, fillOpacity);
polygon._levels = PolylineEncoder.DecodeLevel(levels);
polygon._zoomFactor = zoomFactor;
polygon._numLevels = numLevels;
return(polygon);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* copy constructor.
* @param polygon polygon object copied from.
*/
public GeoPolygon(GeoPolygon polygon)
{
if (polygon._latlngs != null)
{
_latlngs = new GeoLatLng[polygon._latlngs.Length];
Array.Copy(_latlngs, 0, _latlngs, 0, _latlngs.Length);
_levels = new int[polygon._levels.Length];
for (int i = 0; i < _levels.Length; i++)
{
_levels[i] = polygon._levels[i];
}
_bounds = new GeoLatLngBounds(polygon._bounds);
}
_strokeColor = polygon._strokeColor;
_strokeOpacity = polygon._strokeOpacity;
_strokeWeight = polygon._strokeWeight;
_fillColor = polygon._fillColor;
_fillOpacity = polygon._fillOpacity;
_zoomFactor = polygon._zoomFactor;
_numLevels = polygon._numLevels;
_visible = polygon._visible;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* default constructor.
*/
public MapRegion()
{
SetMapObjectType(REGION);
PenStyle = new MapPen();
BrushStyle = new MapBrush();
CenterPt = new GeoLatLng();
Region = null;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Set GeoPolygon of the map Region.
* @param region the GeoPolygon object.
*/
public void SetRegion(GeoPolygon region)
{
Region = region;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* draw a region.
* @param mapPen pen for the border of the region.
* @param mapBrush brush to fill the region.
* @param region the polygon object.
*/
private void DrawRegion(MapPen mapPen, MapBrush mapBrush, GeoPolygon region)
{
Pen pen = new Pen(new Color(mapPen.Color,false), mapPen.Width);
TextureBrush brush = GetImagePatternBrush(mapBrush);
ArrayList clippedPts = _sutherlandHodgman.ClipRegion(region.GetPoints());
GeoPoint[] screenPts = FromLatLngToMapPixel(clippedPts);
if (screenPts.Length > 2)
{
{
int[] xpoints = new int[screenPts.Length];
int[] ypoints = new int[screenPts.Length];
for (int i = 0; i < screenPts.Length; i++)
{
xpoints[i] = (int)screenPts[i].X;
ypoints[i] = (int)screenPts[i].Y;
}
Polygon polygon = new Polygon
{
Xpoints = xpoints,
Ypoints = ypoints,
NumOfNpoints = xpoints.Length
};
if (mapBrush.Pattern == 2)
{
SharedGraphics2D.SetPenAndBrush(pen, brush);
SharedGraphics2D.DrawPolygon(null, polygon);
SharedGraphics2D.FillPolygon(null, polygon);
}
else
{
SharedGraphics2D.SetDefaultPen(pen);
SharedGraphics2D.DrawPolygon(null, polygon);
}
}
}
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Set GeoPolygon array of the map Region.
* @param regions the GeoPolygon object array.
*/
public void SetRegions(GeoPolygon[] regions)
{
Regions = regions;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Creates a polygon from encoded strings of aggregated points and _levels.
* _zoomFactor and _numLevels these two values determine the precision
* of the _levels within an encoded polygon.
* @param _strokeColor the color of the polygon.
* @param _strokeWeight Width of the line in pixels.
* @param _strokeOpacity the opacity of the polygon.
* @param _fillColor the inner color of the polygon.
* @param _fillOpacity the inner opacity of the polygon.
* @param points a string containing the encoded latitude and longitude
* coordinates.
* @param _zoomFactor the magnification between adjacent sets of zoom _levels
* in the encoded _levels string.
* @param _levels a string containing the encoded polygon zoom level groups.
* @param _numLevels the number of zoom _levels contained in the encoded _levels string.
* @return Geo polygon object.
*/
public static GeoPolygon FromEncoded(int strokeColor, int strokeWeight,
double strokeOpacity, int fillColor, double fillOpacity,
String points, int zoomFactor, String levels, int numLevels)
{
ArrayList trk = PolylineEncoder.CreateDecodings(points);
GeoLatLng[] array = new GeoLatLng[trk.Count];
var temp = trk.ToArray();
for (int i = 0; i < temp.Length; i++)
{
array[i] = (GeoLatLng)temp[i];
}
GeoPolygon polygon = new GeoPolygon(array, strokeColor, strokeWeight, strokeOpacity,
fillColor, fillOpacity);
polygon._levels = PolylineEncoder.DecodeLevel(levels);
polygon._zoomFactor = zoomFactor;
polygon._numLevels = numLevels;
return polygon;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 18JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* copy constructor.
* @param polygon polygon object copied from.
*/
public GeoPolygon(GeoPolygon polygon)
{
if (polygon._latlngs != null)
{
_latlngs = new GeoLatLng[polygon._latlngs.Length];
Array.Copy(_latlngs, 0, _latlngs, 0, _latlngs.Length);
_levels = new int[polygon._levels.Length];
for (int i = 0; i < _levels.Length; i++)
{
_levels[i] = polygon._levels[i];
}
_bounds = new GeoLatLngBounds(polygon._bounds);
}
_strokeColor = polygon._strokeColor;
_strokeOpacity = polygon._strokeOpacity;
_strokeWeight = polygon._strokeWeight;
_fillColor = polygon._fillColor;
_fillOpacity = polygon._fillOpacity;
_zoomFactor = polygon._zoomFactor;
_numLevels = polygon._numLevels;
_visible = polygon._visible;
}
private void DrawRegion(MapPen mapPen, MapBrush mapBrush, GeoPolygon region)
{
Pen pen = new Pen(Color.FromArgb((int)(mapPen.Color | 0xFF000000)), mapPen.Width);
Brush brush = GetBrush(mapBrush);
GeoBounds bounds = new GeoBounds(118.808451, 31.907395, 0.003907, 0.0035);
ArrayList clippedPts = _sutherlandHodgman.ClipRegion(region.GetPoints());
GeoPoint[] screenPts = FromLatLngToMapPixel(clippedPts);
if (screenPts.Length > 2)
{
{
int[] xpoints = new int[screenPts.Length];
int[] ypoints = new int[screenPts.Length];
for (int i = 0; i < screenPts.Length; i++)
{
xpoints[i] = (int)screenPts[i].X;
ypoints[i] = (int)screenPts[i].Y;
}
Point[] points = new Point[xpoints.Length];
for (int i = 0; i < points.Length; i++)
{
points[i] = new Point(xpoints[i], ypoints[i]);
}
SharedGraphics2D.Graphics.DrawPolygon(pen, points);
SharedGraphics2D.Graphics.FillPolygon(brush, points);
}
}
}
