private void ProcessReadMapData(RenderContext renderContext, MapReadResult mapReadResult)
{
if (mapReadResult == null)
{
return;
}
foreach (PointOfInterest pointOfInterest in mapReadResult.PointOfInterests)
{
RenderPointOfInterest(renderContext, pointOfInterest);
}
foreach (Way way in mapReadResult.Ways)
{
RenderWay(renderContext, new PolylineContainer(way, renderContext.rendererJob.tile));
}
if (mapReadResult.IsWater)
{
RenderWaterBackground(renderContext);
}
}
/// <summary>
/// Called when a job needs to be executed.
/// </summary>
/// <param name="rendererJob">
/// the job that should be executed. </param>
public virtual ITileBitmap ExecuteJob(RendererJob rendererJob)
{
RenderTheme renderTheme;
try
{
// Wait until RenderTheme is ready
renderTheme = rendererJob.renderThemeFuture.Result;
}
catch (Exception e)
{
LOGGER.Fatal("Error to retrieve render theme from future", e);
return(null);
}
RenderContext renderContext = null;
try
{
renderContext = new RenderContext(renderTheme, rendererJob, new CanvasRasterer(graphicFactory));
if (RenderBitmap(renderContext))
{
ITileBitmap bitmap = null;
if (this.mapDatabase != null)
{
MapReadResult mapReadResult = this.mapDatabase.ReadMapData(rendererJob.tile);
ProcessReadMapData(renderContext, mapReadResult);
}
if (!rendererJob.labelsOnly)
{
bitmap = this.graphicFactory.CreateTileBitmap(renderContext.rendererJob.tile.TileSize, renderContext.rendererJob.hasAlpha);
bitmap.Timestamp = rendererJob.mapDataStore.GetDataTimestamp(renderContext.rendererJob.tile);
renderContext.canvasRasterer.CanvasBitmap = bitmap;
if (!rendererJob.hasAlpha && rendererJob.displayModel.BackgroundColor != renderContext.renderTheme.MapBackground)
{
renderContext.canvasRasterer.Fill(renderContext.renderTheme.MapBackground);
}
renderContext.canvasRasterer.DrawWays(renderContext);
}
if (renderLabels)
{
ISet <MapElementContainer> labelsToDraw = ProcessLabels(renderContext);
// now draw the ways and the labels
renderContext.canvasRasterer.DrawMapElements(labelsToDraw, renderContext.rendererJob.tile);
}
else
{
// store elements for this tile in the label cache
this.labelStore.StoreMapItems(renderContext.rendererJob.tile, renderContext.labels);
}
if (!rendererJob.labelsOnly && renderContext.renderTheme.HasMapBackgroundOutside())
{
// blank out all areas outside of map
Rectangle insideArea = this.mapDatabase.BoundingBox.GetPositionRelativeToTile(renderContext.rendererJob.tile);
if (!rendererJob.hasAlpha)
{
renderContext.canvasRasterer.FillOutsideAreas(renderContext.renderTheme.MapBackgroundOutside, insideArea);
}
else
{
renderContext.canvasRasterer.FillOutsideAreas(Color.TRANSPARENT, insideArea);
}
}
return(bitmap);
}
// outside of map area with background defined:
return(CreateBackgroundBitmap(renderContext));
}
finally
{
if (renderContext != null)
{
renderContext.Destroy();
}
}
}
