private void Rasterize()
{
if (!Enabled)
{
return;
}
lock (_syncLock)
{
if (double.IsNaN(_resolution) || _resolution <= 0)
{
return;
}
var viewport = CreateViewport(_extent, _resolution, _renderResolutionMultiplier);
var rasterizer = _rasterizer ?? DefaultRendererFactory.Create();
var bitmapStream = rasterizer.RenderToBitmapStream(viewport, new[] { _layer });
RemoveExistingFeatures();
_cache.Features = new Features {
new Feature {
Geometry = new Raster(bitmapStream, viewport.Extent)
}
};
OnDataChanged(new DataChangedEventArgs());
}
}
private void Rasterize()
{
if (!Enabled)
{
return;
}
if (_busy)
{
return;
}
_busy = true;
_modified = false;
lock (_syncLock)
{
try
{
if (double.IsNaN(_resolution) || _resolution <= 0)
{
return;
}
if (_extent.Width <= 0 || _extent.Height <= 0)
{
return;
}
var viewport = CreateViewport(_extent, _resolution, _renderResolutionMultiplier, _overscan);
_currentViewport = viewport;
_rasterizer = _rasterizer ?? DefaultRendererFactory.Create();
var bitmapStream = _rasterizer.RenderToBitmapStream(viewport, new[] { _layer });
RemoveExistingFeatures();
if (bitmapStream != null)
{
_cache.ReplaceFeatures(new Features
{
new Feature {
Geometry = new Raster(bitmapStream, viewport.Extent)
}
});
Logger.Log(LogLevel.Debug, $"Memory after rasterizing layer {GC.GetTotalMemory(true):N0}");
OnDataChanged(new DataChangedEventArgs());
}
if (_modified)
{
RestartTimer();
}
}
finally
{
_busy = false;
}
}
}
private void Rasterize()
{
if (!Enabled)
{
return;
}
Task.Factory.StartNew(() =>
{
Thread.CurrentThread.Priority = ThreadPriority.Lowest;
lock (_syncLock)
{
if (double.IsNaN(_resolution) || _resolution <= 0)
{
return;
}
if (_layer.IsFetchingProperty)
{
return;
}
_drawn = true;
var viewport = CreateViewport(_extent, _resolution, _renderResolutionMultiplier, _overscan);
_currentViewport = viewport;
var rasterizer = _rasterizer ?? DefaultRendererFactory.Create();
var bitmapStream = rasterizer.RenderToBitmapStream(viewport, new[] { _layer });
RemoveExistingFeatures();
if (bitmapStream != null)
{
_cache.Features = new Features {
new Feature {
Geometry = new Raster(bitmapStream, viewport.Extent)
}
}
}
;
OnDataChanged(new DataChangedEventArgs());
}
}, TaskCreationOptions.LongRunning);
}