private void HandleUpdate()
{
if (!needUpdate)
{
return;
}
needUpdate = false;
Monitor.Enter(this);
try
{
if (previewInterest != null)
{
previewInterest.Dispose();
previewInterest = null;
waitingForCI = null;
}
if (_legend != null)
{
try
{
IFuture renderedLegendFuture =
_legend.GetRenderedLegendFuture(displayableSource, (FutureFeatures)5);
if (previewFuture != renderedLegendFuture)
{
previewFuture = renderedLegendFuture;
AsyncRef asyncRef =
(AsyncRef)renderedLegendFuture.Realize("LegendOptionsPanel.UpdatePreviewPanel");
if (asyncRef.present == null)
{
waitingForCI = new CallbackIgnorinator(this);
asyncRef.AddCallback(waitingForCI.Callback);
asyncRef.SetInterest(524296);
previewInterest = new InterestList();
previewInterest.Add(asyncRef);
previewInterest.Activate();
UpdatePreviewImage(null);
}
else
{
if (asyncRef.present is ImageRef)
{
UpdatePreviewImage((ImageRef)asyncRef.present);
}
}
}
}
catch (Legend.RenderFailedException)
{
}
}
}
finally
{
Monitor.Exit(this);
}
}
private List <ViewerControl.PaintKit> AssembleLayer(PaintSpecification e, LatLonZoom llz, IDisplayableSource tileSource, int stackOrder)
{
List <ViewerControl.PaintKit> list = new List <ViewerControl.PaintKit>();
CoordinateSystemIfc defaultCoordinateSystem = tileSource.GetDefaultCoordinateSystem();
TileDisplayDescriptorArray tileArrayDescriptor = defaultCoordinateSystem.GetTileArrayDescriptor(llz, e.Size);
AsyncRef asyncRef;
try
{
asyncRef = (AsyncRef)tileSource.GetUserBounds(null, (FutureFeatures)7).Realize("ViewerControl.PaintLayer boundsRef");
}
catch (Exception ex)
{
ViewerControl.MessagePainter item = new ViewerControl.MessagePainter(stackOrder * 12, BigDebugKnob.theKnob.debugFeaturesEnabled ? ex.ToString() : "X", stackOrder == 0);
foreach (TileDisplayDescriptor current in tileArrayDescriptor)
{
list.Add(new ViewerControl.PaintKit(current.paintLocation)
{
annotations =
{
item
}
});
}
return(list);
}
Region clipRegion = null;
if (asyncRef.present == null)
{
asyncRef.AddCallback(new AsyncRecord.CompleteCallback(this.BoundsRefAvailable));
asyncRef.SetInterest(524290);
}
if ((this.ShowSourceCrop == null || this.ShowSourceCrop.Enabled) && asyncRef.present is IBoundsProvider)
{
clipRegion = ((IBoundsProvider)asyncRef.present).GetRenderRegion().GetClipRegion(defaultCoordinateSystem.GetUnclippedMapWindow(this.center().llz, e.Size), this.center().llz.zoom, defaultCoordinateSystem);
this.UpdateUserRegion();
}
new PersistentInterest(asyncRef);
int num = 0;
foreach (TileDisplayDescriptor current2 in tileArrayDescriptor)
{
ViewerControl.PaintKit paintKit = new ViewerControl.PaintKit(current2.paintLocation);
D.Sayf(10, "count {0} tdd {1}", new object[]
{
num,
current2.tileAddress
});
num++;
if (e.SynchronousTiles)
{
D.Sayf(0, "PaintLayer({0}, tdd.ta={1})", new object[]
{
tileSource.GetHashCode(),
current2.tileAddress
});
}
bool arg_1F5_0 = e.SynchronousTiles;
Present present = tileSource.GetImagePrototype(null, (FutureFeatures)15).Curry(new ParamDict(new object[]
{
TermName.TileAddress,
current2.tileAddress
})).Realize("ViewerControl.PaintLayer imageAsyncRef");
AsyncRef asyncRef2 = (AsyncRef)present;
Rectangle rectangle = Rectangle.Intersect(e.ClipRectangle, current2.paintLocation);
int interest = rectangle.Height * rectangle.Width + 524296;
asyncRef2.SetInterest(interest);
if (asyncRef2.present == null)
{
ViewerControl.AsyncNotifier @object = new ViewerControl.AsyncNotifier(this);
asyncRef2.AddCallback(new AsyncRecord.CompleteCallback(@object.AsyncRecordComplete));
}
this.activeTiles.Add(asyncRef2);
asyncRef2 = (AsyncRef)asyncRef2.Duplicate("ViewerControl.PaintLayer");
if (e.SynchronousTiles)
{
D.Assert(false, "unimpl");
}
if (asyncRef2.present == null)
{
D.Assert(!e.SynchronousTiles);
}
bool flag;
if (asyncRef2.present != null && asyncRef2.present is ImageRef)
{
flag = false;
ImageRef imageRef = (ImageRef)asyncRef2.present.Duplicate("tpc");
paintKit.meatyParts.Add(new ViewerControl.ImagePainter(imageRef, clipRegion));
}
else
{
if (asyncRef2.present != null && asyncRef2.present is BeyondImageBounds)
{
flag = false;
}
else
{
if (asyncRef2.present != null && asyncRef2.present is PresentFailureCode)
{
flag = false;
PresentFailureCode presentFailureCode = (PresentFailureCode)asyncRef2.present;
ViewerControl.MessagePainter item2 = new ViewerControl.MessagePainter(stackOrder * 12, BigDebugKnob.theKnob.debugFeaturesEnabled ? StringUtils.breakLines(presentFailureCode.ToString()) : "X", stackOrder == 0);
paintKit.annotations.Add(item2);
}
else
{
flag = true;
ViewerControl.MessagePainter item3 = new ViewerControl.MessagePainter(stackOrder * 12, stackOrder.ToString(), stackOrder == 0);
if (stackOrder == 0)
{
paintKit.meatyParts.Add(item3);
}
else
{
paintKit.annotations.Add(item3);
}
}
}
}
this.tilesRequired++;
if (!flag)
{
this.tilesAvailable++;
}
if ((flag && stackOrder == 0) || MapDrawingOption.IsEnabled(this.ShowTileBoundaries))
{
paintKit.annotations.Add(new ViewerControl.TileBoundaryPainter());
}
if (MapDrawingOption.IsEnabled(this.ShowTileNames))
{
paintKit.annotations.Add(new ViewerControl.TileNamePainter(current2.tileAddress.ToString()));
}
asyncRef2.Dispose();
list.Add(paintKit);
}
return(list);
}