/// <summary>
/// Called when a job needs to be executed.
/// </summary>
/// <param name="rendererJob">
/// the job that should be executed. </param>
public virtual SKImage 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));
renderContext.canvasRasterer.Canvas = graphicFactory.CreateCanvas(renderContext.rendererJob.tile.TileSize, renderContext.rendererJob.tile.TileSize);
if (RenderBitmap(renderContext))
{
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(((SkiaCanvas)renderContext.canvasRasterer.Canvas).Image);
}
// Draws a bitmap just with outside colour, used for bitmaps outside of map area.
if (!renderContext.rendererJob.hasAlpha)
{
//renderContext.canvasRasterer.Fill(renderContext.renderTheme.MapBackgroundOutside);
}
return(((SkiaCanvas)renderContext.canvasRasterer.Canvas).Image);
}
finally
{
if (renderContext != null)
{
renderContext.Destroy();
}
}
}
