public void Dispose()
{
if (this.renderTheme != null)
{
this.renderTheme.Dispose();
this.renderTheme = null;
}
}
public static Theme GetRenderTheme(XmlRenderTheme xmlRenderTheme)
{
RenderThemeHandler renderThemeHandler = new RenderThemeHandler(xmlRenderTheme.RelativePathPrefix);
using (Stream stream = xmlRenderTheme.OpenStream()) {
XDocument xmlReader = XDocument.Load(stream);
renderThemeHandler.ScanElementsTree(xmlReader.Root);
return(renderThemeHandler.renderTheme);
}
}
private static XmlRenderTheme getRenderTheme(XmlRenderTheme jobTheme)
{
try {
return(RenderThemeHandler.GetRenderTheme(AndroidGraphics.INSTANCE, jobTheme));
} catch (XmlException e) {
System.Diagnostics.Debug.WriteLine(e);
} catch (IOException e) {
System.Diagnostics.Debug.WriteLine(e);
}
return(null);
}
/**
* @param jobTheme
* render theme which should be used.
* @param textScale
* the text scale factor which should applied to the render theme.
*/
public JobParameters(XmlRenderTheme jobTheme, float textScale)
{
this.jobTheme = jobTheme;
this.textScale = textScale;
this.hashCodeValue = calculateHashCode();
}
/**
* Called when a job needs to be executed.
*
* @param mapGeneratorJob
* the job that should be executed.
* @param BitmapImage
* the BitmapImage for the generated map tile.
* @return true if the job was executed successfully, false otherwise.
*/
public bool executeJob(MapGeneratorJob mapGeneratorJob, BitmapImage BitmapImage)
{
this.currentTile = mapGeneratorJob.tile;
System.Windows.Media.Imaging.WriteableBitmap bmp;
XmlRenderTheme jobTheme = mapGeneratorJob.jobParameters.jobTheme;
if (!jobTheme.Equals(this.previousJobTheme))
{
if (this.renderTheme != null)
{
this.renderTheme.Dispose();
}
this.renderTheme = getRenderTheme(jobTheme);
if (this.renderTheme == null)
{
this.previousJobTheme = null;
return(false);
}
createWayLists();
this.previousJobTheme = jobTheme;
this.previousZoomLevel = byte.MinValue;
// invalidate the previousTextScale so that textScale from jobParameters will
// be applied next time
this.previousTextScale = -1;
}
byte zoomLevel = this.currentTile.ZoomFactor;
if (zoomLevel != this.previousZoomLevel)
{
setScaleStrokeWidth(zoomLevel);
this.previousZoomLevel = zoomLevel;
}
float textScale = mapGeneratorJob.jobParameters.textScale;
if (textScale != this.previousTextScale)
{
this.renderTheme.scaleTextSize(textScale);
this.previousTextScale = textScale;
}
if (this.mapDatabase != null)
{
MapReadResult mapReadResult = this.mapDatabase.ReadMapData(this.currentTile);
processReadMapData(mapReadResult);
}
this.nodes = this.labelPlacement.placeLabels(this.nodes, this.Pointsymbols, this.areaLabels, this.currentTile);
this.canvasRasterer.setCanvasBitmap(BitmapImage);
this.canvasRasterer.fill(this.renderTheme.getMapBackground());
this.canvasRasterer.drawWays(this.ways);
this.canvasRasterer.drawSymbols(this.waySymbols);
this.canvasRasterer.drawSymbols(this.Pointsymbols);
this.canvasRasterer.drawWayNames(this.wayNames);
this.canvasRasterer.drawNodes(this.nodes);
this.canvasRasterer.drawNodes(this.areaLabels);
if (mapGeneratorJob.debugSettings.drawTileFrames)
{
this.canvasRasterer.drawTileFrame();
}
if (mapGeneratorJob.debugSettings.drawTileCoordinates)
{
this.canvasRasterer.drawTileCoordinates(this.currentTile);
}
clearLists();
return(true);
}
