Implemented most of the rendering pipeline in SkiaSharp

src/Artemis.Core/Services/CoreService.cs

@@ -8,6 +8,7 @@ using Artemis.Core.Services.Interfaces;
 using Artemis.Core.Services.Storage.Interfaces;
 using RGB.NET.Core;
 using Serilog;
+using SkiaSharp;
 
 namespace Artemis.Core.Services
 {
@@ -78,19 +79,24 @@ namespace Artemis.Core.Services
                 }
 
                 // If there is no ready graphics decorator, skip the frame
-                if (_rgbService.GraphicsDecorator?.Canvas == null)
-                    return;
-
-                // Render all active modules
-                _rgbService.GraphicsDecorator.Canvas.Clear();
-                lock (_modules)
+                lock (_rgbService.GraphicsDecorator)
                 {
-                    foreach (var module in _modules)
-                        module.Render(args.DeltaTime, _surfaceService.ActiveSurface, _rgbService.GraphicsDecorator.Canvas);
+                    if (_rgbService.GraphicsDecorator?.Bitmap == null)
+                        return;
+
+                    // Render all active modules
+                    using (var canvas = new SKCanvas(_rgbService.GraphicsDecorator.Bitmap))
+                    {
+                        canvas.Clear(new SKColor(0, 0, 0));
+                        lock (_modules)
+                        {
+                            foreach (var module in _modules)
+                                module.Render(args.DeltaTime, _surfaceService.ActiveSurface, canvas);
+                        }
+
+                        OnFrameRendering(new FrameRenderingEventArgs(_modules, canvas, args.DeltaTime, _rgbService.Surface));
+                    }
                 }
-
-
-                OnFrameRendering(new FrameRenderingEventArgs(_modules, _rgbService.GraphicsDecorator, args.DeltaTime, _rgbService.Surface));
             }
             catch (Exception e)
             {

src/Artemis.Core/Services/DeviceService.cs

@@ -1,8 +1,8 @@
-using System.Drawing;
-using System.Threading.Tasks;
+using System.Threading.Tasks;
 using Artemis.Core.Events;
 using Artemis.Core.Models.Surface;
 using Artemis.Core.Services.Interfaces;
+using SkiaSharp;
 
 namespace Artemis.Core.Services
 {
@@ -25,10 +25,7 @@ namespace Artemis.Core.Services
             // Draw a white overlay over the device
             void DrawOverlay(object sender, FrameRenderingEventArgs args)
             {
-                using (var g = Graphics.FromImage(args.Bitmap))
-                {
-                    g.FillPath(new SolidBrush(Color.White), device.RenderPath);
-                }
+                args.Canvas.DrawPath(device.RenderPath, new SKPaint {Color = new SKColor(255, 255, 255)});
             }
 
             _coreService.FrameRendering += DrawOverlay;

src/Artemis.Core/Services/RgbService.cs

@@ -30,6 +30,7 @@ namespace Artemis.Core.Services
             _targetFrameRateSetting = settingsService.GetSetting("Core.TargetFrameRate", 25);
 
             Surface = RGBSurface.Instance;
+            GraphicsDecorator = new GraphicsDecorator(new ListLedGroup(), 1);
 
             // Let's throw these for now
             Surface.Exception += SurfaceOnException;
@@ -100,21 +101,22 @@ namespace Artemis.Core.Services
 
         public void UpdateGraphicsDecorator()
         {
-            // TODO: Create new one first, then clean up the old one for a smoother transition
-
-            // Clean up the old background if present
-            if (_background != null)
+            lock (GraphicsDecorator)
             {
-                _background.Brush?.RemoveAllDecorators();
-                _background.Detach();
+                // Clean up the old background if present
+                if (_background != null)
+                {
+                    _background.Brush?.RemoveAllDecorators();
+                    _background.Detach();
+                }
+
+                // Apply the application wide brush and decorator
+                _background = new ListLedGroup(Surface.Leds) {Brush = new SolidColorBrush(new Color(255, 255, 255, 255))};
+                GraphicsDecorator = new GraphicsDecorator(_background, _renderScaleSetting.Value);
+                _background.Brush.RemoveAllDecorators();
+
+                _background.Brush.AddDecorator(GraphicsDecorator);
             }
-
-            // Apply the application wide brush and decorator
-            _background = new ListLedGroup(Surface.Leds) {Brush = new SolidColorBrush(new Color(255, 255, 255, 255))};
-            GraphicsDecorator = new GraphicsDecorator(_background, _renderScaleSetting.Value);
-            _background.Brush.RemoveAllDecorators();
-
-            _background.Brush.AddDecorator(GraphicsDecorator);
         }
 
         private void OnDeviceLoaded(DeviceEventArgs e)