/**
* {@inheritDoc} Overridden to set the expiration time of the placemark's icon based on the HTTP headers of the
* linked resource.
*/
protected WWTexture initializeTexture(String address)
{
WWTexture texture = super.initializeTexture(address);
if (texture != null)
{
// Query the KMLRoot for the expiration time.
long expiration = this.parent.getRoot().getExpiration(address);
// Set the Icon's expiration. This has no effect if the refreshMode is not onExpire.
String mode = this.isHighlighted() ? KMLConstants.HIGHLIGHT : KMLConstants.NORMAL;
KMLIconStyle iconStyle = (KMLIconStyle)this.parent.getSubStyle(new KMLIconStyle(null), mode);
KMLIcon icon = iconStyle.getIcon();
if (icon != null)
{
icon.setExpirationTime(expiration);
}
if (this.isHighlighted())
{
this.highlightIconRetrievalTime = System.currentTimeMillis();
}
else
{
this.iconRetrievalTime = System.currentTimeMillis();
}
}
return(texture);
}
public override void Load()
{
ics = new Icons("Globe cursor");
ic = new KMLIcon("", 0f, 0f, "", 0f);
ic.Image = cursBmp;
ic.Width = 16;
ic.Height = 16;
ics.Add(ic);
Global.worldWindow.CurrentWorld.RenderableObjects.Add(ics);
Global.worldWindow.MouseMove += new MouseEventHandler(MouseMove);
base.Load();
}
/**
* Indicates whether or not the image source needs to be resolved. The source needs to be resolved when the KMLIcon
* is updated.
*
* @return True if the image source must be resolved.
*/
protected bool mustResolveHref()
{
KMLIcon icon = this.parent.getIcon();
//noinspection SimplifiableIfStatement
if (icon == null || icon.getHref() == null)
{
return(false);
}
// Resolve the reference if the image hasn't been retrieved, or if the link has expired.
return(this.getImageSource() == null || icon.getUpdateTime() > this.iconRetrievalTime);
}
/**
* Indicates whether or not the icon resource has expired.
*
* @return True if the icon has expired and must be refreshed.
*/
protected bool mustRefreshIcon()
{
String mode;
long retrievalTime;
if (this.isHighlighted())
{
mode = KMLConstants.HIGHLIGHT;
retrievalTime = this.highlightIconRetrievalTime;
}
else
{
mode = KMLConstants.NORMAL;
retrievalTime = this.iconRetrievalTime;
}
KMLIconStyle iconStyle = (KMLIconStyle)this.parent.getSubStyle(new KMLIconStyle(null), mode);
KMLIcon icon = iconStyle.getIcon();
return(icon != null && icon.getUpdateTime() > retrievalTime);
}
protected PointPlacemarkAttributes assemblePointAttributes(PointPlacemarkAttributes attrs, KMLIconStyle style)
{
KMLIcon icon = style.getIcon();
if (icon != null && icon.getHref() != null)
{
// The icon reference may be to a support file within a KMZ file, so check for that. If it's not, then just
// let the normal PointPlacemark code resolve the reference.
String href = icon.getHref();
String localAddress = null;
try
{
localAddress = this.parent.getRoot().getSupportFilePath(href);
}
catch (IOException e)
{
String message = Logging.getMessage("generic.UnableToResolveReference", href);
Logging.logger().warning(message);
}
attrs.setImageAddress((localAddress != null ? localAddress : href));
}
// If the Icon element is present, but there is no href, draw a point instead of the default icon.
else if (icon != null && WWUtil.isEmpty(icon.getHref()))
{
attrs.setUsePointAsDefaultImage(true);
}
// Assign the other attributes defined in the KML Feature element.
if (style.getColor() != null)
{
attrs.setImageColor(WWUtil.decodeColorABGR(style.getColor()));
}
if (style.getColorMode() != null && "random".Equals(style.getColorMode()))
{
attrs.setImageColor(WWUtil.makeRandomColor(attrs.getImageColor()));
}
if (style.getScale() != null)
{
attrs.setScale(style.getScale());
}
if (style.getHeading() != null)
{
attrs.setHeading(style.getHeading());
attrs.setHeadingReference(AVKey.RELATIVE_TO_GLOBE); // KML spec is not clear about this
}
if (style.getHotSpot() != null)
{
KMLVec2 hs = style.getHotSpot();
attrs.setImageOffset(new Offset(hs.getX(), hs.getY(), KMLUtil.kmlUnitsToWWUnits(hs.getXunits()),
KMLUtil.kmlUnitsToWWUnits(hs.getYunits())));
}
else
{
// By default, use the center of the image as the offset.
attrs.setImageOffset(new Offset(0.5, 0.5, AVKey.FRACTION, AVKey.FRACTION));
}
return(attrs);
}
private static RenderableObject Construct(String strRelativeDirectory, KMLObject oSource, World oWorld, GeographicBoundingBox oBounds, ProjectedVectorRenderer oPVR, Icons oIcons)
{
if (oSource is KMLContainer)
{
KMLContainer oCastSource = oSource as KMLContainer;
KMLRenderableObjectList result = new KMLRenderableObjectList(oCastSource.Name);
if (oPVR == null)
{
oPVR = new ProjectedVectorRenderer("Polygons and LineStrings", oWorld);
result.Add(oPVR);
}
if (oIcons == null)
{
oIcons = new Icons("Icons");
result.Add(oIcons);
}
for (int count = 0; count < oCastSource.Count; count++)
{
if (oCastSource[count].Visibility == true)
{
RenderableObject oLayer = Construct(strRelativeDirectory, oCastSource[count], oWorld, oBounds, oPVR, oIcons);
if (oLayer != null)
{
result.Add(oLayer);
}
}
}
return result;
}
else if (oSource is KMLPlacemark)
{
KMLPlacemark oCastSource = oSource as KMLPlacemark;
return Construct(strRelativeDirectory, oCastSource.Geometry, oWorld, oBounds, oPVR, oIcons);
}
else if (oSource is KMLMultiGeometry)
{
KMLMultiGeometry oCastSource = oSource as KMLMultiGeometry;
KMLRenderableObjectList result = new KMLRenderableObjectList("MultiGeometry");
for (int count = 0; count < oCastSource.Count; count++)
{
RenderableObject oLayer = Construct(strRelativeDirectory, oCastSource[count], oWorld, oBounds, oPVR, oIcons);
if (oLayer != null)
{
result.Add(oLayer);
}
}
return result;
}
else if (oSource is KMLPoint)
{
KMLPoint oCastSource = oSource as KMLPoint;
KMLIcon result = new KMLIcon(oCastSource.Owner.Name, oCastSource.Coordinates.Latitude, oCastSource.Coordinates.Longitude, oCastSource.Coordinates.Altitude);
result.DrawGroundStick = oCastSource.Extrude;
result.Rotation = WorldWind.Angle.FromDegrees(oCastSource.Style.NormalStyle.IconStyle.Heading);
result.IsRotated = oCastSource.Style.NormalStyle.IconStyle.Heading != 0.0f;
result.NormalColor = oCastSource.Style.NormalStyle.LabelStyle.Color;
result.HotColor = oCastSource.Style.HighlightStyle.LabelStyle.Color;
oIcons.Add(result);
oBounds.Union(oCastSource.Coordinates.Longitude, oCastSource.Coordinates.Latitude, oCastSource.Coordinates.Altitude);
return null;
}
else if (oSource is KMLPolygon)
{
KMLPolygon oCastSource = oSource as KMLPolygon;
Polygon oTool = new Polygon();
oTool.outerBoundary = new WorldWind.LinearRing(GetPoints(oCastSource.OuterBoundary));
oTool.innerBoundaries = GetInnerBoundaries(oCastSource);
oTool.PolgonColor = oCastSource.Style.NormalStyle.PolyStyle.Color;
oTool.Fill = oCastSource.Style.NormalStyle.PolyStyle.Fill;
oTool.LineWidth = oCastSource.Style.NormalStyle.LineStyle.Width;
oTool.Outline = oCastSource.Style.NormalStyle.PolyStyle.Outline;
oTool.OutlineColor = oCastSource.Style.NormalStyle.LineStyle.Color;
oPVR.Add(oTool);
oBounds.Union(oTool.GetGeographicBoundingBox());
return null;
}
else if (oSource is KMLLineString)
{
KMLLineString oCastSource = oSource as KMLLineString;
LineString oTool = new LineString();
oTool.Coordinates = GetPoints(oCastSource);
oTool.Color = oCastSource.Style.NormalStyle.LineStyle.Color;
oTool.LineWidth = oCastSource.Style.NormalStyle.LineStyle.Width;
oPVR.Add(oTool);
oBounds.Union(oTool.GetGeographicBoundingBox());
return null;
}
else if (oSource is KMLGroundOverlay)
{
KMLGroundOverlay oCastSource = oSource as KMLGroundOverlay;
KMLGroundOverlayRenderable result = new KMLGroundOverlayRenderable(oCastSource, strRelativeDirectory);
oBounds.Union(new GeographicBoundingBox(oCastSource.LatLonBox.North, oCastSource.LatLonBox.South, oCastSource.LatLonBox.West, oCastSource.LatLonBox.East));
return result;
}
else
{
return null;
}
}
private static RenderableObject Construct(String strRelativeDirectory, KMLObject oSource, World oWorld, GeographicBoundingBox oBounds, ProjectedVectorRenderer oPVR, Icons oIcons)
{
if (oSource is KMLContainer)
{
KMLContainer oCastSource = oSource as KMLContainer;
KMLRenderableObjectList result = new KMLRenderableObjectList(oCastSource.Name);
if (oPVR == null)
{
oPVR = new ProjectedVectorRenderer("Polygons and LineStrings", oWorld);
result.Add(oPVR);
}
if (oIcons == null)
{
oIcons = new Icons("Icons");
result.Add(oIcons);
}
for (int count = 0; count < oCastSource.Count; count++)
{
if (oCastSource[count].Visibility == true)
{
RenderableObject oLayer = Construct(strRelativeDirectory, oCastSource[count], oWorld, oBounds, oPVR, oIcons);
if (oLayer != null)
{
result.Add(oLayer);
}
}
}
return(result);
}
else if (oSource is KMLPlacemark)
{
KMLPlacemark oCastSource = oSource as KMLPlacemark;
return(Construct(strRelativeDirectory, oCastSource.Geometry, oWorld, oBounds, oPVR, oIcons));
}
else if (oSource is KMLMultiGeometry)
{
KMLMultiGeometry oCastSource = oSource as KMLMultiGeometry;
KMLRenderableObjectList result = new KMLRenderableObjectList("MultiGeometry");
for (int count = 0; count < oCastSource.Count; count++)
{
RenderableObject oLayer = Construct(strRelativeDirectory, oCastSource[count], oWorld, oBounds, oPVR, oIcons);
if (oLayer != null)
{
result.Add(oLayer);
}
}
return(result);
}
else if (oSource is KMLPoint)
{
KMLPoint oCastSource = oSource as KMLPoint;
KMLIcon result = new KMLIcon(oCastSource.Owner.Name, oCastSource.Coordinates.Latitude, oCastSource.Coordinates.Longitude, oCastSource.Coordinates.Altitude);
result.DrawGroundStick = oCastSource.Extrude;
result.Rotation = WorldWind.Angle.FromDegrees(oCastSource.Style.NormalStyle.IconStyle.Heading);
result.IsRotated = oCastSource.Style.NormalStyle.IconStyle.Heading != 0.0f;
result.NormalColor = oCastSource.Style.NormalStyle.LabelStyle.Color;
result.HotColor = oCastSource.Style.HighlightStyle.LabelStyle.Color;
oIcons.Add(result);
oBounds.Union(oCastSource.Coordinates.Longitude, oCastSource.Coordinates.Latitude, oCastSource.Coordinates.Altitude);
return(null);
}
else if (oSource is KMLPolygon)
{
KMLPolygon oCastSource = oSource as KMLPolygon;
Polygon oTool = new Polygon();
oTool.outerBoundary = new WorldWind.LinearRing(GetPoints(oCastSource.OuterBoundary));
oTool.innerBoundaries = GetInnerBoundaries(oCastSource);
oTool.PolgonColor = oCastSource.Style.NormalStyle.PolyStyle.Color;
oTool.Fill = oCastSource.Style.NormalStyle.PolyStyle.Fill;
oTool.LineWidth = oCastSource.Style.NormalStyle.LineStyle.Width;
oTool.Outline = oCastSource.Style.NormalStyle.PolyStyle.Outline;
oTool.OutlineColor = oCastSource.Style.NormalStyle.LineStyle.Color;
oPVR.Add(oTool);
oBounds.Union(oTool.GetGeographicBoundingBox());
return(null);
}
else if (oSource is KMLLineString)
{
KMLLineString oCastSource = oSource as KMLLineString;
LineString oTool = new LineString();
oTool.Coordinates = GetPoints(oCastSource);
oTool.Color = oCastSource.Style.NormalStyle.LineStyle.Color;
oTool.LineWidth = oCastSource.Style.NormalStyle.LineStyle.Width;
oPVR.Add(oTool);
oBounds.Union(oTool.GetGeographicBoundingBox());
return(null);
}
else if (oSource is KMLGroundOverlay)
{
KMLGroundOverlay oCastSource = oSource as KMLGroundOverlay;
KMLGroundOverlayRenderable result = new KMLGroundOverlayRenderable(oCastSource, strRelativeDirectory);
oBounds.Union(new GeographicBoundingBox(oCastSource.LatLonBox.North, oCastSource.LatLonBox.South, oCastSource.LatLonBox.West, oCastSource.LatLonBox.East));
return(result);
}
else
{
return(null);
}
}
