TEditXna.ViewModel.WorldViewModel.UpdateRenderRegion C# (CSharp) Method

        public void UpdateRenderRegion(Rectangle area)
        {
            Task.Factory.StartNew(
            () =>
            {
                var bounded = new Rectangle(Math.Max(area.Left, 0),
                                                  Math.Max(area.Top, 0),
                                                  Math.Min(area.Width, CurrentWorld.TilesWide - Math.Max(area.Left, 0)),
                                                  Math.Min(area.Height, CurrentWorld.TilesHigh - Math.Max(area.Top, 0)));
                if (CurrentWorld != null)
                {
                    for (int y = bounded.Top; y < bounded.Bottom; y++)
                    {
                        Color curBgColor = GetBackgroundColor(y);
                        OnProgressChanged(this, new ProgressChangedEventArgs(y.ProgressPercentage(CurrentWorld.TilesHigh), "Calculating Colors..."));
                        for (int x = bounded.Left; x < bounded.Right; x++)
                        {
                            PixelMap.SetPixelColor(x, y, Render.PixelMap.GetTileColor(CurrentWorld.Tiles[x, y], curBgColor, _showWalls, _showTiles, _showLiquid, _showRedWires, _showBlueWires, _showGreenWires, _showYellowWires));
                        }
                    }
                }
                OnProgressChanged(this, new ProgressChangedEventArgs(100, "Render Complete"));
            });
        }