protected override void DrawCore(GeoCanvas canvas, Collection<SimpleCandidate> labelsInAllLayers)
{
//Set the position of the scale bar on canvas.
const float xpos = 15;
var ypos = canvas.Height - 15;
//Gets the left and right location of the scale bar in world coordinate according to the maximum width and X and Y position.
var screenLocation = GetDrawingLocation(canvas, _width, ypos);
var scaleBarMapPointR = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, screenLocation.X, screenLocation.Y, canvas.Width, canvas.Height);
var scaleBarMapRightPointR = ExtentHelper.ToWorldCoordinate(canvas.CurrentWorldExtent, screenLocation.X + _width, screenLocation.Y, canvas.Width, canvas.Height);
if ((Math.Abs(scaleBarMapPointR.X) > 180.0) || (Math.Abs(scaleBarMapRightPointR.X) > 180.0)) return;
if ((Math.Abs(scaleBarMapPointR.Y) > 90.0) || (Math.Abs(scaleBarMapRightPointR.Y) > 90.0)) return;
try
{
//Gets the length of the scale bar according to the unit and the maximum width of the scale bar.
var fullBarLength = scaleBarMapPointR.GetDistanceTo(scaleBarMapRightPointR, canvas.MapUnit, DistanceUnit.Meter);
//Adjusts the length of the scale bar in order to have a round number.
_unitRoundValue = GetRoundValue(fullBarLength/_meterToUnit);
var barLength = ((_unitRoundValue*_meterToUnit)*_width)/fullBarLength;
//Draw the line of the scale bar according to the adjusted length.
var pen = new GeoPen(GeoColor.StandardColors.White, 1F);
canvas.DrawLine(new[]
{
new ScreenPointF(xpos, ypos - 10), new ScreenPointF(xpos, ypos), new ScreenPointF((float) barLength + xpos, ypos), new ScreenPointF((float) barLength + xpos, ypos - 10)
}, pen, DrawingLevel.LevelOne, 0, 0);
//Displays the text for the value and unit text.
canvas.DrawText(Convert.ToString(_unitRoundValue) + " " + _unitText, GeoFont, GeoSolidBrush, new[]
{
new ScreenPointF((float) (barLength/2) + xpos, ypos - 10)
}, DrawingLevel.LevelOne);
}
catch (Exception) {}
}
private void Map1_Loaded(object sender, RoutedEventArgs e)
{
Map1.MapUnit = GeoUnit.Meter;
Map1.UseOpenStreetMapAsBaseMap();
dataLayer = new ShapefileLayer("SampleData/countries-900913.shp");
dataLayer.Open();
GeoPen outlinePen = new GeoPen(GeoColor.FromHtml("#00BCD4"), 2)
{
DashPattern = new float[] { 4, 4 }
};
MemoryLayer highlightLayer = new MemoryLayer {
Name = "HighlightLayer"
};
highlightLayer.Styles.Add(new FillStyle(GeoColor.FromHtml("#55FAB04D")));
highlightLayer.Styles.Add(new LineStyle(outlinePen));
highlightLayer.Styles.Add(new SymbolStyle(SymbolType.Circle, GeoColor.FromHtml("#99FF5722"), GeoColors.White));
Map1.AddDynamicLayers("HighlightOverlay", highlightLayer);
Map1.ZoomTo(new GeoBound(2171997.6512, 8356849.2669, 3515687.9933, 11097616.86));
}
protected override void DrawLineCore(IEnumerable <ScreenPointF> screenPoints, GeoPen linePen, DrawingLevel drawingLevel, float xOffset, float yOffset)
{
int id = linePen.GetHashCode();
if (!styleUrlDictionary.ContainsKey(id))
{
string kmlStyle = GetLineStyleKml(id, linePen);
kmlBuilder.Append(kmlStyle);
styleUrlDictionary.Add(id, string.Format("<styleUrl>#{0}</styleUrl>", id));
}
StringBuilder contentStringBuilder = GetStringBuilder(drawingLevel);
contentStringBuilder.AppendLine();
contentStringBuilder.AppendLine(@"<Placemark>");
contentStringBuilder.AppendLine(styleUrlDictionary[id]);
contentStringBuilder.AppendLine(@"<LineString>");
contentStringBuilder.AppendLine(extrudeString);
contentStringBuilder.AppendLine(tessellateString);
contentStringBuilder.AppendLine(altitudeModeString);
AppendCoordinates(screenPoints, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</LineString>");
contentStringBuilder.AppendLine(@"</Placemark>");
}
protected override void DrawEllipseCore(ScreenPointF screenPoint, float width, float height, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
//throw new NotImplementedException();
return;
}
protected override void DrawLineCore(IEnumerable <ScreenPointF> screenPoints, GeoPen linePen, DrawingLevel drawingLevel, float xOffset, float yOffset)
{
Collection <ScreenPointF> convertedPoints = new Collection <ScreenPointF>();
foreach (ScreenPointF item in screenPoints)
{
convertedPoints.Add(GetScreenPoint(item));
}
GeoPen scaledPen = GetScaledPen(linePen);
canvas.DrawLine(convertedPoints, scaledPen, drawingLevel, xOffset, yOffset);
}
protected override void DrawEllipseCore(ScreenPointF screenPoint, float width, float height, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
screenPoint = GetScreenPoint(screenPoint);
GeoPen scaledPen = GetScaledPen(outlinePen);;
canvas.DrawEllipse(new ScreenPointF(screenPoint.X, screenPoint.Y), width, height, scaledPen, fillBrush, drawingLevel, xOffset, yOffset, penBrushDrawingOrder);
}
protected override void DrawAreaCore(IEnumerable <ScreenPointF[]> screenPoints, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
foreach (ScreenPointF[] screenPointFs in screenPoints)
{
for (int i = 0; i < screenPointFs.Length; i++)
{
screenPointFs[i] = GetScreenPoint(screenPointFs[i]);
}
}
GeoPen scaledPen = GetScaledPen(outlinePen);
canvas.DrawArea(screenPoints, scaledPen, fillBrush, drawingLevel, xOffset, yOffset, penBrushDrawingOrder);
}
protected override void DrawTextCore(string text, GeoFont font, GeoBrush fillBrush, GeoPen haloPen, IEnumerable <ScreenPointF> textPathInScreen, DrawingLevel drawingLevel, float xOffset, float yOffset, float rotateAngle)
{
List <ScreenPointF> screenPoints = new List <ScreenPointF>();
foreach (ScreenPointF screenPointF in textPathInScreen)
{
screenPoints.Add(GetScreenPoint(screenPointF));
}
GeoFont scaledFont = GetScaledFont(font);
canvas.DrawText(text, scaledFont, fillBrush, haloPen, screenPoints, drawingLevel, xOffset, yOffset, rotateAngle);
}
protected override void DrawEllipseCore(ScreenPointF screenPoint, float width, float height, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
return;
}
private void Initialize()
{
DrawingLevel = DrawingLevel.LabelLevel;
HaloPen = new GeoPen(GeoColor.SimpleColors.White, 1f);
labelFunctionColumnNames = new Dictionary <string, string>();
}
protected override void DrawTextCore(string text, GeoFont font, GeoBrush fillBrush, GeoPen haloPen, IEnumerable <ScreenPointF> textPathInScreen, DrawingLevel drawingLevel, float xOffset, float yOffset, float rotateAngle)
{
//StringBuilder rnSB = new StringBuilder();
//rnSB.AppendLine("<Placemark>");
//rnSB.AppendFormat("<description>{0}</description>", text);
//rnSB.AppendFormat("<name>{0}</name>", text);
//rnSB.AppendLine("<visibility>1</visibility>");
//rnSB.AppendLine("<Point>");
//AppendCoordinates(textPathInScreen,xOffset,yOffset,rnSB);
////rnSB.AppendFormat("<coordinates>{0},{1},20000</coordinates>",
//// ((ScreenPointF[])(textPathInScreen))[0].X,
//// ((ScreenPointF[])(textPathInScreen))[0].Y);
//rnSB.AppendLine("</Point>");
//rnSB.AppendLine("<Style><IconStyle><Icon><href></href></Icon></IconStyle></Style>");
//rnSB.AppendLine("</Placemark>");
//StringBuilder contentStringBuilder = GetStringBuilder(drawingLevel);
//contentStringBuilder.Append(rnSB.ToString());
}
protected override void DrawAreaCore(IEnumerable <ScreenPointF[]> screenPoints, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
//if (fillBrush == null)
//{
// fillBrush = new GeoSolidBrush(GeoColor.SimpleColors.Transparent);
//}
int id = 0;
if (fillBrush != null)
{
id = fillBrush.GetHashCode();
}
else
{
id = outlinePen.GetHashCode();
fillBrush = new GeoSolidBrush(GeoColor.SimpleColors.Transparent);
}
if (!_styleUrlDictionary.ContainsKey(id))
{
string kmlStyle = GetPolygonStyleKml(id, outlinePen, ((GeoSolidBrush)fillBrush).Color);
_kmlBuilder.Append(kmlStyle);
_styleUrlDictionary.Add(id, string.Format("<styleUrl>#{0}</styleUrl>", id));
}
StringBuilder contentStringBuilder = GetStringBuilder(drawingLevel);
contentStringBuilder.AppendLine();
contentStringBuilder.AppendLine(@"<Placemark>");
contentStringBuilder.AppendLine(_styleUrlDictionary[id]);
contentStringBuilder.AppendLine(@"<Polygon>");
contentStringBuilder.AppendLine(_extrudeString);
contentStringBuilder.AppendLine(_tessellateString);
contentStringBuilder.AppendLine(_altitudeModeString);
bool firstCoordinates = true;
foreach (ScreenPointF[] screenPoint in screenPoints)
{
if (firstCoordinates)
{
contentStringBuilder.AppendLine(@"<outerBoundaryIs>");
AppendLinearRing(screenPoint, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</outerBoundaryIs>");
firstCoordinates = false;
}
else
{
contentStringBuilder.AppendLine(@"<innerBoundaryIs>");
AppendLinearRing(screenPoint, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</innerBoundaryIs>");
}
}
contentStringBuilder.AppendLine(@"</Polygon>");
contentStringBuilder.AppendLine(@"</Placemark>");
}
public MyLineStyle(GeoPen outerPen, GeoPen innerPen, GeoPen centerPen)
: base(outerPen, innerPen, centerPen)
{
}
protected override void DrawTextCore(string text, GeoFont font, GeoBrush fillBrush, GeoPen haloPen, IEnumerable <ScreenPointF> textPathInScreen, DrawingLevel drawingLevel, float xOffset, float yOffset, float rotateAngle, DrawingTextAlignment drawingTextAlignment)
{
int id = 0;
if (fillBrush != null)
{
id = fillBrush.GetHashCode();
}
if (!styleUrlDictionary.ContainsKey(id))
{
string kmlStyle = GetTextStyleKml(id, ((GeoSolidBrush)fillBrush).Color, font.Size);
kmlBuilder.Append(kmlStyle);
styleUrlDictionary.Add(id, string.Format("<styleUrl>#{0}</styleUrl>", id));
}
StringBuilder contentStringBuilder = GetStringBuilder(drawingLevel);
contentStringBuilder.AppendLine();
contentStringBuilder.AppendLine(@"<Placemark>");
contentStringBuilder.AppendLine(styleUrlDictionary[id]);
text = text.Replace("<", "<");
text = text.Replace(">", ">");
text = text.Replace("`", "'");
text = text.Replace("\"", """);
text = text.Replace("&", "&");
contentStringBuilder.AppendLine(@"<name>" + text + @"</name>");
if (textPathInScreen.Count() > 1)
{
contentStringBuilder.AppendLine(@"<LineString>");
contentStringBuilder.AppendLine(extrudeString);
contentStringBuilder.AppendLine(tessellateString);
contentStringBuilder.AppendLine(altitudeModeString);
AppendCoordinates(textPathInScreen, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</LineString>");
}
else
{
contentStringBuilder.AppendLine(@"<Point>");
contentStringBuilder.AppendLine(extrudeString);
contentStringBuilder.AppendLine(tessellateString);
contentStringBuilder.AppendLine(altitudeModeString);
AppendCoordinates(textPathInScreen, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</Point>");
}
contentStringBuilder.AppendLine(@"</Placemark>");
}
protected override void DrawAreaCore(IEnumerable <ScreenPointF[]> screenPoints, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
var outline = screenPoints.FirstOrDefault();
if (outline != null)
{
switch (outlineDrawMode)
{
case OutlineDrawMode.Open:
DrawLineCore(outline.Take(outline.Length - 1), outlinePen, drawingLevel, xOffset, yOffset);
break;
case OutlineDrawMode.Dynamic:
DrawLineCore(outline.Skip(outline.Length - 3).Take(3), outlinePen, drawingLevel, xOffset, yOffset);
break;
case OutlineDrawMode.Sealed:
DrawLineCore(outline, outlinePen, drawingLevel, xOffset, yOffset);
break;
case OutlineDrawMode.LineWithFill:
default:
base.DrawAreaCore(screenPoints, outlinePen, fillBrush, drawingLevel, xOffset, yOffset, penBrushDrawingOrder);
break;
}
}
}
protected override void DrawAreaCore(IEnumerable <ScreenPointF[]> screenPoints, GeoPen outlinePen, GeoBrush fillBrush, DrawingLevel drawingLevel, float xOffset, float yOffset, PenBrushDrawingOrder penBrushDrawingOrder)
{
if (fillBrush == null)
{
fillBrush = new GeoSolidBrush(GeoColor.SimpleColors.Transparent);
}
int id = 0;
if (outlinePen != null)
{
id = outlinePen.GetHashCode();
}
else if (fillBrush != null)
{
id = id ^ fillBrush.GetHashCode();
}
if (!styleUrlDictionary.ContainsKey(id))
{
GeoSolidBrush brush = fillBrush as GeoSolidBrush;
GeoLinearGradientBrush gradientBrush = fillBrush as GeoLinearGradientBrush;
GeoHatchBrush hatchBrush = fillBrush as GeoHatchBrush;
string kmlStyle = string.Empty;
if (gradientBrush != null)
{
kmlStyle = GetPolygonStyleKml(id, outlinePen, gradientBrush.StartColor);
}
else if (hatchBrush != null)
{
kmlStyle = GetPolygonStyleKml(id, outlinePen, hatchBrush.BackgroundColor);
}
else
{
kmlStyle = GetPolygonStyleKml(id, outlinePen, brush.Color);
}
kmlBuilder.Append(kmlStyle);
styleUrlDictionary.Add(id, string.Format("<styleUrl>#{0}</styleUrl>", id));
}
StringBuilder contentStringBuilder = GetStringBuilder(drawingLevel);
contentStringBuilder.AppendLine();
contentStringBuilder.AppendLine(@"<Placemark>");
contentStringBuilder.AppendLine(styleUrlDictionary[id]);
contentStringBuilder.AppendLine(@"<Polygon>");
contentStringBuilder.AppendLine(extrudeString);
contentStringBuilder.AppendLine(tessellateString);
contentStringBuilder.AppendLine(altitudeModeString);
bool firstCoordinates = true;
foreach (ScreenPointF[] screenPoint in screenPoints)
{
if (firstCoordinates)
{
contentStringBuilder.AppendLine(@"<outerBoundaryIs>");
AppendLinearRing(screenPoint, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</outerBoundaryIs>");
firstCoordinates = false;
}
else
{
contentStringBuilder.AppendLine(@"<innerBoundaryIs>");
AppendLinearRing(screenPoint, xOffset, yOffset, contentStringBuilder);
contentStringBuilder.AppendLine(@"</innerBoundaryIs>");
}
}
contentStringBuilder.AppendLine(@"</Polygon>");
contentStringBuilder.AppendLine(@"</Placemark>");
foreach (ScreenPointF[] screenPoint in screenPoints)
{
switch (Mode)
{
case AltitudeMode.Absolute:
case AltitudeMode.RelativeToGround:
contentStringBuilder.AppendLine(@"<Placemark>");
AppendLinearRing(screenPoint, xOffset, yOffset, ZHeight, contentStringBuilder);
contentStringBuilder.AppendLine(@"</Placemark>");
break;
default:
break;
}
}
}
protected override void DrawLineCore(IEnumerable <ScreenPointF> screenPoints, GeoPen linePen, DrawingLevel drawingLevel, float xOffset, float yOffset)
{
switch (outlineDrawMode)
{
case OutlineDrawMode.Open:
var tmpScreenPoints = screenPoints.ToArray();
base.DrawLineCore(tmpScreenPoints.Take(tmpScreenPoints.Length - 1), linePen, drawingLevel, xOffset, yOffset);
break;
default:
base.DrawLineCore(screenPoints, linePen, drawingLevel, xOffset, yOffset);
break;
}
}
