Initial

src/Windows/Avalonia.Direct2D1/Direct2D1Platform.cs

@@ -4,14 +4,12 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
-using Avalonia.Direct2D1.Media;
-using Avalonia.Media;
-using Avalonia.Platform;
 using Avalonia.Controls;
 using Avalonia.Controls.Platform.Surfaces;
+using Avalonia.Direct2D1.Media;
 using Avalonia.Direct2D1.Media.Imaging;
-using Avalonia.Rendering;
+using Avalonia.Media;
+using Avalonia.Platform;
 
 namespace Avalonia
 {
@@ -31,15 +29,16 @@ namespace Avalonia.Direct2D1
     {
         private static readonly Direct2D1Platform s_instance = new Direct2D1Platform();
 
-        private static SharpDX.Direct2D1.Factory s_d2D1Factory;
+        public static SharpDX.Direct2D1.Factory1 Direct2D1Factory { get; private set; }
 
-        private static SharpDX.DirectWrite.Factory s_dwfactory;
+        public static SharpDX.Direct2D1.Device1 Direct2D1Device { get; private set; }
 
-        private static SharpDX.WIC.ImagingFactory s_imagingFactory;
+        public static SharpDX.DirectWrite.Factory1 DirectWriteFactory { get; private set; }
 
-        private static SharpDX.DXGI.Device s_dxgiDevice;
+        public static SharpDX.WIC.ImagingFactory ImagingFactory { get; private set; }
+
+        public static SharpDX.DXGI.Device1 DxgiDevice { get; private set; }
 
-        private static SharpDX.Direct2D1.Device s_d2D1Device;
 
         private static readonly object s_initLock = new object();
         private static bool s_initialized = false;
@@ -49,13 +48,14 @@ namespace Avalonia.Direct2D1
             lock (s_initLock)
             {
                 if (s_initialized)
+                {
                     return;
+                }
 #if DEBUG
                 try
                 {
-                    s_d2D1Factory =
-
-                        new SharpDX.Direct2D1.Factory1(SharpDX.Direct2D1.FactoryType.MultiThreaded,
+                    Direct2D1Factory = new SharpDX.Direct2D1.Factory1(
+                        SharpDX.Direct2D1.FactoryType.MultiThreaded,
                             SharpDX.Direct2D1.DebugLevel.Error);
                 }
                 catch
@@ -63,12 +63,19 @@ namespace Avalonia.Direct2D1
                     //
                 }
 #endif
-                s_dwfactory = new SharpDX.DirectWrite.Factory();
-                s_imagingFactory = new SharpDX.WIC.ImagingFactory();
-                if (s_d2D1Factory == null)
-                    s_d2D1Factory = new SharpDX.Direct2D1.Factory1(SharpDX.Direct2D1.FactoryType.MultiThreaded,
+                if (Direct2D1Factory == null)
+                {
+                    Direct2D1Factory = new SharpDX.Direct2D1.Factory1(
+                        SharpDX.Direct2D1.FactoryType.MultiThreaded,
                         SharpDX.Direct2D1.DebugLevel.None);
+                }
 
+                using (var factory = new SharpDX.DirectWrite.Factory())
+                {
+                    DirectWriteFactory = factory.QueryInterface<SharpDX.DirectWrite.Factory1>();
+                }
+
+                ImagingFactory = new SharpDX.WIC.ImagingFactory();
 
                 var featureLevels = new[]
                 {
@@ -83,17 +90,18 @@ namespace Avalonia.Direct2D1
 
                 using (var d3dDevice = new SharpDX.Direct3D11.Device(
                     SharpDX.Direct3D.DriverType.Hardware,
-                    SharpDX.Direct3D11.DeviceCreationFlags.BgraSupport |
+                    SharpDX.Direct3D11.DeviceCreationFlags.BgraSupport | 
                     SharpDX.Direct3D11.DeviceCreationFlags.VideoSupport,
                     featureLevels))
                 {
-                    s_dxgiDevice = d3dDevice.QueryInterface<SharpDX.DXGI.Device>();
+                    DxgiDevice = d3dDevice.QueryInterface<SharpDX.DXGI.Device1>();
                 }
 
-                using (var factory1 = s_d2D1Factory.QueryInterface<SharpDX.Direct2D1.Factory1>())
+                using (var device = new SharpDX.Direct2D1.Device(Direct2D1Factory, DxgiDevice))
                 {
-                    s_d2D1Device = new SharpDX.Direct2D1.Device(factory1, s_dxgiDevice);
+                    Direct2D1Device = device.QueryInterface<SharpDX.Direct2D1.Device1>();
                 }
+
                 s_initialized = true;
             }
         }
@@ -101,19 +109,13 @@ namespace Avalonia.Direct2D1
         public static void Initialize()
         {
             InitializeDirect2D();
-            AvaloniaLocator.CurrentMutable
-                        .Bind<IPlatformRenderInterface>().ToConstant(s_instance)
-                        .BindToSelf(s_d2D1Factory)
-                        .BindToSelf(s_dwfactory)
-                        .BindToSelf(s_imagingFactory)
-                        .BindToSelf(s_dxgiDevice)
-                        .BindToSelf(s_d2D1Device);
+            AvaloniaLocator.CurrentMutable.Bind<IPlatformRenderInterface>().ToConstant(s_instance);
             SharpDX.Configuration.EnableReleaseOnFinalizer = true;
         }
 
         public IBitmapImpl CreateBitmap(int width, int height)
         {
-            return new WicBitmapImpl(s_imagingFactory, width, height);
+            return new WicBitmapImpl(width, height);
         }
 
         public IFormattedTextImpl CreateFormattedText(
@@ -140,14 +142,22 @@ namespace Avalonia.Direct2D1
                 if (s is IPlatformHandle nativeWindow)
                 {
                     if (nativeWindow.HandleDescriptor != "HWND")
+                    {
                         throw new NotSupportedException("Don't know how to create a Direct2D1 renderer from " +
                                                         nativeWindow.HandleDescriptor);
+                    }
+
                     return new HwndRenderTarget(nativeWindow);
                 }
                 if (s is IExternalDirect2DRenderTargetSurface external)
-                    return new ExternalRenderTarget(external, s_dwfactory, s_imagingFactory);
+                {
+                    return new ExternalRenderTarget(external);
+                }
+
                 if (s is IFramebufferPlatformSurface fb)
-                    return new FramebufferShimRenderTarget(fb, s_imagingFactory, s_d2D1Factory, s_dwfactory);
+                {
+                    return new FramebufferShimRenderTarget(fb);
+                }
             }
             throw new NotSupportedException("Don't know how to create a Direct2D1 renderer from any of provided surfaces");
         }
@@ -158,19 +168,12 @@ namespace Avalonia.Direct2D1
             double dpiX,
             double dpiY)
         {
-            return new WicRenderTargetBitmapImpl(
-                s_imagingFactory,
-                s_d2D1Factory,
-                s_dwfactory,
-                width,
-                height,
-                dpiX,
-                dpiY);
+            return new WicRenderTargetBitmapImpl(width, height, dpiX, dpiY);
         }
 
         public IWriteableBitmapImpl CreateWriteableBitmap(int width, int height, PixelFormat? format = null)
         {
-            return new WriteableWicBitmapImpl(s_imagingFactory, width, height, format);
+            return new WriteableWicBitmapImpl(width, height, format);
         }
 
         public IStreamGeometryImpl CreateStreamGeometry()
@@ -180,17 +183,17 @@ namespace Avalonia.Direct2D1
 
         public IBitmapImpl LoadBitmap(string fileName)
         {
-            return new WicBitmapImpl(s_imagingFactory, fileName);
+            return new WicBitmapImpl(fileName);
         }
 
         public IBitmapImpl LoadBitmap(Stream stream)
         {
-            return new WicBitmapImpl(s_imagingFactory, stream);
+            return new WicBitmapImpl(stream);
         }
 
         public IBitmapImpl LoadBitmap(PixelFormat format, IntPtr data, int width, int height, int stride)
         {
-            return new WicBitmapImpl(s_imagingFactory, format, data, width, height, stride);
+            return new WicBitmapImpl(format, data, width, height, stride);
         }
     }
-}
+}

src/Windows/Avalonia.Direct2D1/ExternalRenderTarget.cs

@@ -1,27 +1,19 @@
-using System;
-using Avalonia.Direct2D1.Media;
+using Avalonia.Direct2D1.Media;
 using Avalonia.Direct2D1.Media.Imaging;
 using Avalonia.Platform;
 using Avalonia.Rendering;
 using SharpDX;
-using DirectWriteFactory = SharpDX.DirectWrite.Factory;
 
 namespace Avalonia.Direct2D1
 {
     class ExternalRenderTarget : IRenderTarget, ILayerFactory
     {
         private readonly IExternalDirect2DRenderTargetSurface _externalRenderTargetProvider;
-        private readonly DirectWriteFactory _dwFactory;
-        private readonly SharpDX.WIC.ImagingFactory _wicFactory;
 
         public ExternalRenderTarget(
-            IExternalDirect2DRenderTargetSurface externalRenderTargetProvider,
-            DirectWriteFactory dwFactory,
-            SharpDX.WIC.ImagingFactory wicFactory)
+            IExternalDirect2DRenderTargetSurface externalRenderTargetProvider)
         {
             _externalRenderTargetProvider = externalRenderTargetProvider;
-            _dwFactory = dwFactory;
-            _wicFactory = wicFactory;
         }
 
         public void Dispose()
@@ -33,7 +25,7 @@ namespace Avalonia.Direct2D1
         {
             var target =  _externalRenderTargetProvider.GetOrCreateRenderTarget();
             _externalRenderTargetProvider.BeforeDrawing();
-            return new DrawingContextImpl(visualBrushRenderer, null, target, _dwFactory, _wicFactory, null, () =>
+            return new DrawingContextImpl(visualBrushRenderer, null, target, null, () =>
             {
                 try
                 {
@@ -48,12 +40,8 @@ namespace Avalonia.Direct2D1
 
         public IRenderTargetBitmapImpl CreateLayer(Size size)
         {
-            var target = _externalRenderTargetProvider.GetOrCreateRenderTarget();
-            return D2DRenderTargetBitmapImpl.CreateCompatible(
-                _wicFactory,
-                _dwFactory,
-                target,
-                size);
+            var renderTarget = _externalRenderTargetProvider.GetOrCreateRenderTarget();
+            return D2DRenderTargetBitmapImpl.CreateCompatible(renderTarget, size);
         }
     }
 }

src/Windows/Avalonia.Direct2D1/FramebufferShimRenderTarget.cs

@@ -1,14 +1,9 @@
 using System;
-using System.Collections.Generic;
-using System.Runtime.CompilerServices;
-using System.Text;
 using Avalonia.Controls.Platform.Surfaces;
 using Avalonia.Direct2D1.Media;
-using Avalonia.Direct2D1.Media.Imaging;
 using Avalonia.Platform;
 using Avalonia.Rendering;
 using Avalonia.Win32.Interop;
-using SharpDX.Direct2D1;
 using SharpDX.WIC;
 using PixelFormat = Avalonia.Platform.PixelFormat;
 
@@ -17,22 +12,14 @@ namespace Avalonia.Direct2D1
     class FramebufferShimRenderTarget : IRenderTarget
     {
         private readonly IFramebufferPlatformSurface _surface;
-        private readonly ImagingFactory _imagingFactory;
-        private readonly Factory _d2DFactory;
-        private readonly SharpDX.DirectWrite.Factory _dwriteFactory;
 
-        public FramebufferShimRenderTarget(IFramebufferPlatformSurface surface,
-            ImagingFactory imagingFactory, Factory d2dFactory, SharpDX.DirectWrite.Factory dwriteFactory)
+        public FramebufferShimRenderTarget(IFramebufferPlatformSurface surface)
         {
             _surface = surface;
-            _imagingFactory = imagingFactory;
-            _d2DFactory = d2dFactory;
-            _dwriteFactory = dwriteFactory;
         }
 
         public void Dispose()
-        {
-            
+        {            
         }
 
         public IDrawingContextImpl CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer)
@@ -44,7 +31,7 @@ namespace Avalonia.Direct2D1
                 throw new ArgumentException("Unsupported pixel format: " + locked.Format);
             }
 
-            return new FramebufferShim(locked, _imagingFactory, _d2DFactory, _dwriteFactory)
+            return new FramebufferShim(locked)
                 .CreateDrawingContext(visualBrushRenderer);
         }
 
@@ -52,10 +39,8 @@ namespace Avalonia.Direct2D1
         {
             private readonly ILockedFramebuffer _target;
 
-            public FramebufferShim(ILockedFramebuffer target,
-                ImagingFactory imagingFactory, Factory d2dFactory, SharpDX.DirectWrite.Factory dwriteFactory
-                ) : base(imagingFactory, d2dFactory, dwriteFactory,
-                    target.Width, target.Height, target.Dpi.X, target.Dpi.Y, target.Format)
+            public FramebufferShim(ILockedFramebuffer target) : 
+                base(target.Width, target.Height, target.Dpi.X, target.Dpi.Y, target.Format)
             {
                 _target = target;
             }
@@ -76,10 +61,8 @@ namespace Avalonia.Direct2D1
                     }
                     Dispose();
                     _target.Dispose();
-
                 });
             }
         }
-
     }
 }

src/Windows/Avalonia.Direct2D1/HwndRenderTarget.cs

@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using Avalonia.Controls.Platform.Surfaces;
-using Avalonia.Platform;
+using Avalonia.Platform;
 using Avalonia.Win32.Interop;
 using SharpDX;
 using SharpDX.DXGI;
@@ -22,7 +16,7 @@ namespace Avalonia.Direct2D1
 
         protected override SwapChain1 CreateSwapChain(Factory2 dxgiFactory, SwapChainDescription1 swapChainDesc)
         {
-            return new SwapChain1(dxgiFactory, DxgiDevice, _window.Handle, ref swapChainDesc);
+            return new SwapChain1(dxgiFactory, Direct2D1Platform.DxgiDevice, _window.Handle, ref swapChainDesc);
         }
 
         protected override Size2F GetWindowDpi()

src/Windows/Avalonia.Direct2D1/Media/Direct2D1FontCollectionCache.cs

@@ -7,16 +7,13 @@ namespace Avalonia.Direct2D1.Media
     internal static class Direct2D1FontCollectionCache
     {
         private static readonly ConcurrentDictionary<FontFamilyKey, SharpDX.DirectWrite.FontCollection> s_cachedCollections;
-        private static readonly SharpDX.DirectWrite.Factory s_factory;
         private static readonly SharpDX.DirectWrite.FontCollection s_installedFontCollection;
 
         static Direct2D1FontCollectionCache()
         {
             s_cachedCollections = new ConcurrentDictionary<FontFamilyKey, SharpDX.DirectWrite.FontCollection>();
 
-            s_factory = AvaloniaLocator.Current.GetService<SharpDX.DirectWrite.Factory>();
-
-            s_installedFontCollection = s_factory.GetSystemFontCollection(false);
+            s_installedFontCollection = Direct2D1Platform.DirectWriteFactory.GetSystemFontCollection(false);
         }
 
         public static SharpDX.DirectWrite.TextFormat GetTextFormat(Typeface typeface)
@@ -39,7 +36,7 @@ namespace Avalonia.Direct2D1.Media
             }
 
             return new SharpDX.DirectWrite.TextFormat(
-                s_factory, 
+                Direct2D1Platform.DirectWriteFactory, 
                 fontFamilyName, 
                 fontCollection, 
                 (SharpDX.DirectWrite.FontWeight)typeface.Weight,
@@ -57,9 +54,9 @@ namespace Avalonia.Direct2D1.Media
         {
             var assets = FontFamilyLoader.LoadFontAssets(key);
 
-            var fontLoader = new DWriteResourceFontLoader(s_factory, assets);
+            var fontLoader = new DWriteResourceFontLoader(Direct2D1Platform.DirectWriteFactory, assets);
 
-            return new SharpDX.DirectWrite.FontCollection(s_factory, fontLoader, fontLoader.Key);
+            return new SharpDX.DirectWrite.FontCollection(Direct2D1Platform.DirectWriteFactory, fontLoader, fontLoader.Key);
         }
     }
-}
+}

src/Windows/Avalonia.Direct2D1/Media/DrawingContextImpl.cs

@@ -24,8 +24,6 @@ namespace Avalonia.Direct2D1.Media
         private readonly SharpDX.Direct2D1.RenderTarget _renderTarget;
         private readonly SharpDX.DXGI.SwapChain1 _swapChain;
         private readonly Action _finishedCallback;
-        private readonly SharpDX.WIC.ImagingFactory _imagingFactory;
-        private SharpDX.DirectWrite.Factory _directWriteFactory;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DrawingContextImpl"/> class.
@@ -36,16 +34,12 @@ namespace Avalonia.Direct2D1.Media
         /// An object to use to create layers. May be null, in which case a
         /// <see cref="WicRenderTargetBitmapImpl"/> will created when a new layer is requested.
         /// </param>
-        /// <param name="directWriteFactory">The DirectWrite factory.</param>
-        /// <param name="imagingFactory">The WIC imaging factory.</param>
         /// <param name="swapChain">An optional swap chain associated with this drawing context.</param>
         /// <param name="finishedCallback">An optional delegate to be called when context is disposed.</param>
         public DrawingContextImpl(
             IVisualBrushRenderer visualBrushRenderer,
             ILayerFactory layerFactory,
             SharpDX.Direct2D1.RenderTarget renderTarget,
-            SharpDX.DirectWrite.Factory directWriteFactory,
-            SharpDX.WIC.ImagingFactory imagingFactory,
             SharpDX.DXGI.SwapChain1 swapChain = null,
             Action finishedCallback = null)
         {
@@ -54,8 +48,6 @@ namespace Avalonia.Direct2D1.Media
             _renderTarget = renderTarget;
             _swapChain = swapChain;
             _finishedCallback = finishedCallback;
-            _directWriteFactory = directWriteFactory;
-            _imagingFactory = imagingFactory;
             _renderTarget.BeginDraw();
         }
 
@@ -443,7 +435,7 @@ namespace Avalonia.Direct2D1.Media
                             return new ImageBrushImpl(
                                 visualBrush,
                                 _renderTarget,
-                                new D2DBitmapImpl(_imagingFactory, intermediate.Bitmap),
+                                new D2DBitmapImpl(intermediate.Bitmap),
                                 destinationSize);
                         }
                     }

src/Windows/Avalonia.Direct2D1/Media/FormattedTextImpl.cs

@@ -21,15 +21,13 @@ namespace Avalonia.Direct2D1.Media
         {
             Text = text;
 
-            var factory = AvaloniaLocator.Current.GetService<DWrite.Factory>();
-
             var textFormat = Direct2D1FontCollectionCache.GetTextFormat(typeface);
 
             textFormat.WordWrapping =
                 wrapping == TextWrapping.Wrap ? DWrite.WordWrapping.Wrap : DWrite.WordWrapping.NoWrap;
 
             TextLayout = new DWrite.TextLayout(
-                             factory,
+                             Direct2D1Platform.DirectWriteFactory,
                              Text ?? string.Empty,
                              textFormat,
                              (float)constraint.Width,

src/Windows/Avalonia.Direct2D1/Media/GeometryImpl.cs

@@ -53,10 +53,9 @@ namespace Avalonia.Direct2D1.Media
 
         public ITransformedGeometryImpl WithTransform(Matrix transform)
         {
-            var factory = AvaloniaLocator.Current.GetService<Factory>();
             return new TransformedGeometryImpl(
                 new TransformedGeometry(
-                    factory,
+                    Direct2D1Platform.Direct2D1Factory,
                     GetSourceGeometry(),
                     transform.ToDirect2D()),
                 this);

src/Windows/Avalonia.Direct2D1/Media/Imaging/BitmapImpl.cs

@@ -1,19 +1,12 @@
 using System;
 using System.IO;
 using Avalonia.Platform;
-using SharpDX.WIC;
 using D2DBitmap = SharpDX.Direct2D1.Bitmap;
 
 namespace Avalonia.Direct2D1.Media
 {
     public abstract class BitmapImpl : IBitmapImpl, IDisposable
     {
-        public BitmapImpl(ImagingFactory imagingFactory)
-        {
-            WicImagingFactory = imagingFactory;
-        }
-
-        public ImagingFactory WicImagingFactory { get; }
         public abstract int PixelWidth { get; }
         public abstract int PixelHeight { get; }
 

src/Windows/Avalonia.Direct2D1/Media/Imaging/D2DBitmapImpl.cs

@@ -1,7 +1,6 @@
 using System;
 using System.IO;
 using SharpDX.Direct2D1;
-using WICFactory = SharpDX.WIC.ImagingFactory;
 using ImagingFactory2 = SharpDX.WIC.ImagingFactory2;
 using ImageParameters = SharpDX.WIC.ImageParameters;
 using PngBitmapEncoder = SharpDX.WIC.PngBitmapEncoder;
@@ -13,52 +12,51 @@ namespace Avalonia.Direct2D1.Media
     /// </summary>
     public class D2DBitmapImpl : BitmapImpl
     {
-        private Bitmap _direct2D;
+        private Bitmap _direct2DBitmap;
 
         /// <summary>
         /// Initialize a new instance of the <see cref="BitmapImpl"/> class
         /// with a bitmap backed by GPU memory.
         /// </summary>
-        /// <param name="imagingFactory">The image factory to use when saving out this bitmap.</param>
         /// <param name="d2DBitmap">The GPU bitmap.</param>
         /// <remarks>
         /// This bitmap must be either from the same render target,
         /// or if the render target is a <see cref="SharpDX.Direct2D1.DeviceContext"/>,
         /// the device associated with this context, to be renderable.
         /// </remarks>
-        public D2DBitmapImpl(WICFactory imagingFactory, Bitmap d2DBitmap)
-            : base(imagingFactory)
+        public D2DBitmapImpl(Bitmap d2DBitmap)
         {
-            _direct2D = d2DBitmap ?? throw new ArgumentNullException(nameof(d2DBitmap));
+            _direct2DBitmap = d2DBitmap ?? throw new ArgumentNullException(nameof(d2DBitmap));
         }
               
-        public override int PixelWidth => _direct2D.PixelSize.Width;
-        public override int PixelHeight => _direct2D.PixelSize.Height;
+        public override int PixelWidth => _direct2DBitmap.PixelSize.Width;
+        public override int PixelHeight => _direct2DBitmap.PixelSize.Height;
 
         public override void Dispose()
         {
             base.Dispose();
-            _direct2D.Dispose();
+            _direct2DBitmap.Dispose();
         }
 
         public override OptionalDispose<Bitmap> GetDirect2DBitmap(SharpDX.Direct2D1.RenderTarget target)
         {
-            return new OptionalDispose<Bitmap>(_direct2D, false);
+            return new OptionalDispose<Bitmap>(_direct2DBitmap, false);
         }
 
         public override void Save(Stream stream)
         {
-            using (var encoder = new PngBitmapEncoder(WicImagingFactory, stream))
+            using (var encoder = new PngBitmapEncoder(Direct2D1Platform.ImagingFactory, stream))
             using (var frameEncode = new SharpDX.WIC.BitmapFrameEncode(encoder))
-            using (var imageEncoder = new SharpDX.WIC.ImageEncoder((ImagingFactory2)WicImagingFactory, null))
+            //ToDo: Not supported under Windows 7!
+            using (var imageEncoder = new SharpDX.WIC.ImageEncoder((ImagingFactory2)Direct2D1Platform.ImagingFactory, null))
             {
                 var parameters = new ImageParameters(
                     new PixelFormat(SharpDX.DXGI.Format.R8G8B8A8_UNorm, AlphaMode.Premultiplied),
-                    _direct2D.DotsPerInch.Width,
-                    _direct2D.DotsPerInch.Height,
+                    _direct2DBitmap.DotsPerInch.Width,
+                    _direct2DBitmap.DotsPerInch.Height,
                     0, 0, PixelWidth, PixelHeight);
 
-                imageEncoder.WriteFrame(_direct2D, frameEncode, parameters);
+                imageEncoder.WriteFrame(_direct2DBitmap, frameEncode, parameters);
                 frameEncode.Commit();
                 encoder.Commit();
             }

src/Windows/Avalonia.Direct2D1/Media/Imaging/D2DRenderTargetBitmapImpl.cs

@@ -1,35 +1,25 @@
-using System;
-using Avalonia.Platform;
+using Avalonia.Platform;
 using Avalonia.Rendering;
 using SharpDX;
 using SharpDX.Direct2D1;
-using SharpDX.WIC;
 using D2DBitmap = SharpDX.Direct2D1.Bitmap;
-using DirectWriteFactory = SharpDX.DirectWrite.Factory;
 
 namespace Avalonia.Direct2D1.Media.Imaging
 {
     public class D2DRenderTargetBitmapImpl : D2DBitmapImpl, IRenderTargetBitmapImpl, ILayerFactory
     {
-        private readonly DirectWriteFactory _dwriteFactory;
-        private readonly BitmapRenderTarget _target;
+        private readonly BitmapRenderTarget _renderTarget;
 
-        public D2DRenderTargetBitmapImpl(
-            ImagingFactory imagingFactory,
-            DirectWriteFactory dwriteFactory,
-            BitmapRenderTarget target)
-            : base(imagingFactory, target.Bitmap)
+        public D2DRenderTargetBitmapImpl(BitmapRenderTarget renderTarget)
+            : base(renderTarget.Bitmap)
         {
-            _dwriteFactory = dwriteFactory;
-            _target = target;
+            _renderTarget = renderTarget;
         }
 
-        public override int PixelWidth => _target.PixelSize.Width;
-        public override int PixelHeight => _target.PixelSize.Height;
+        public override int PixelWidth => _renderTarget.PixelSize.Width;
+        public override int PixelHeight => _renderTarget.PixelSize.Height;
 
         public static D2DRenderTargetBitmapImpl CreateCompatible(
-            ImagingFactory imagingFactory,
-            DirectWriteFactory dwriteFactory,
             SharpDX.Direct2D1.RenderTarget renderTarget,
             Size size)
         {
@@ -37,32 +27,27 @@ namespace Avalonia.Direct2D1.Media.Imaging
                 renderTarget,
                 CompatibleRenderTargetOptions.None,
                 new Size2F((float)size.Width, (float)size.Height));
-            return new D2DRenderTargetBitmapImpl(imagingFactory, dwriteFactory, bitmapRenderTarget);
+            return new D2DRenderTargetBitmapImpl(bitmapRenderTarget);
         }
 
         public IDrawingContextImpl CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer)
         {
-            return new DrawingContextImpl(
-                visualBrushRenderer,
-                this,
-                _target,
-                _dwriteFactory,
-                WicImagingFactory);
+            return new DrawingContextImpl(visualBrushRenderer, this, _renderTarget);
         }
 
         public IRenderTargetBitmapImpl CreateLayer(Size size)
         {
-            return CreateCompatible(WicImagingFactory, _dwriteFactory, _target, size);
+            return CreateCompatible(_renderTarget, size);
         }
 
         public override void Dispose()
         {
-            _target.Dispose();
+            _renderTarget.Dispose();
         }
 
         public override OptionalDispose<D2DBitmap> GetDirect2DBitmap(SharpDX.Direct2D1.RenderTarget target)
         {
-            return new OptionalDispose<D2DBitmap>(_target.Bitmap, false);
+            return new OptionalDispose<D2DBitmap>(_renderTarget.Bitmap, false);
         }
     }
 }

src/Windows/Avalonia.Direct2D1/Media/Imaging/WicBitmapImpl.cs

@@ -19,57 +19,52 @@ namespace Avalonia.Direct2D1.Media
         /// <summary>
         /// Initializes a new instance of the <see cref="WicBitmapImpl"/> class.
         /// </summary>
-        /// <param name="factory">The WIC imaging factory to use.</param>
         /// <param name="fileName">The filename of the bitmap to load.</param>
-        public WicBitmapImpl(ImagingFactory factory, string fileName)
-            : base(factory)
+        public WicBitmapImpl(string fileName)
         {
-            using (BitmapDecoder decoder = new BitmapDecoder(factory, fileName, DecodeOptions.CacheOnDemand))
+            using (BitmapDecoder decoder = new BitmapDecoder(Direct2D1Platform.ImagingFactory, fileName, DecodeOptions.CacheOnDemand))
             {
-                WicImpl = new Bitmap(factory, decoder.GetFrame(0), BitmapCreateCacheOption.CacheOnDemand);
+                WicImpl = new Bitmap(Direct2D1Platform.ImagingFactory, decoder.GetFrame(0), BitmapCreateCacheOption.CacheOnDemand);
             }
         }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="WicBitmapImpl"/> class.
         /// </summary>
-        /// <param name="factory">The WIC imaging factory to use.</param>
         /// <param name="stream">The stream to read the bitmap from.</param>
-        public WicBitmapImpl(ImagingFactory factory, Stream stream)
-            : base(factory)
+        public WicBitmapImpl(Stream stream)
         {
-            using (BitmapDecoder decoder = new BitmapDecoder(factory, stream, DecodeOptions.CacheOnLoad))
+            using (BitmapDecoder decoder = new BitmapDecoder(Direct2D1Platform.ImagingFactory, stream, DecodeOptions.CacheOnLoad))
             {
-                WicImpl = new Bitmap(factory, decoder.GetFrame(0), BitmapCreateCacheOption.CacheOnLoad);
+                WicImpl = new Bitmap(Direct2D1Platform.ImagingFactory, decoder.GetFrame(0), BitmapCreateCacheOption.CacheOnLoad);
             }
         }
 
         /// <summary>
         /// Initializes a new instance of the <see cref="WicBitmapImpl"/> class.
         /// </summary>
-        /// <param name="factory">The WIC imaging factory to use.</param>
         /// <param name="width">The width of the bitmap.</param>
         /// <param name="height">The height of the bitmap.</param>
         /// <param name="pixelFormat">Pixel format</param>
-        public WicBitmapImpl(ImagingFactory factory, int width, int height, APixelFormat? pixelFormat = null)
-            : base(factory)
+        public WicBitmapImpl(int width, int height, APixelFormat? pixelFormat = null)
         {
             if (!pixelFormat.HasValue)
+            {
                 pixelFormat = APixelFormat.Bgra8888;
+            }
 
             PixelFormat = pixelFormat;
             WicImpl = new Bitmap(
-                factory,
+                Direct2D1Platform.ImagingFactory,
                 width,
                 height,
                 pixelFormat.Value.ToWic(),
                 BitmapCreateCacheOption.CacheOnLoad);
         }
 
-        public WicBitmapImpl(ImagingFactory factory, APixelFormat format, IntPtr data, int width, int height, int stride)
-            : base(factory)
+        public WicBitmapImpl(APixelFormat format, IntPtr data, int width, int height, int stride)
         {
-            WicImpl = new Bitmap(factory, width, height, format.ToWic(), BitmapCreateCacheOption.CacheOnDemand);
+            WicImpl = new Bitmap(Direct2D1Platform.ImagingFactory, width, height, format.ToWic(), BitmapCreateCacheOption.CacheOnDemand);
             PixelFormat = format;
             using (var l = WicImpl.Lock(BitmapLockFlags.Write))
             {
@@ -112,14 +107,14 @@ namespace Avalonia.Direct2D1.Media
         /// <returns>The Direct2D bitmap.</returns>
         public override OptionalDispose<D2DBitmap> GetDirect2DBitmap(SharpDX.Direct2D1.RenderTarget renderTarget)
         {
-            FormatConverter converter = new FormatConverter(WicImagingFactory);
+            FormatConverter converter = new FormatConverter(Direct2D1Platform.ImagingFactory);
             converter.Initialize(WicImpl, SharpDX.WIC.PixelFormat.Format32bppPBGRA);
             return new OptionalDispose<D2DBitmap>(D2DBitmap.FromWicBitmap(renderTarget, converter), true);
         }
 
         public override void Save(Stream stream)
         {
-            using (var encoder = new PngBitmapEncoder(WicImagingFactory, stream))
+            using (var encoder = new PngBitmapEncoder(Direct2D1Platform.ImagingFactory, stream))
             using (var frame = new BitmapFrameEncode(encoder))
             {
                 frame.Initialize();

src/Windows/Avalonia.Direct2D1/Media/Imaging/WicRenderTargetBitmapImpl.cs

@@ -5,26 +5,20 @@ using System;
 using Avalonia.Platform;
 using Avalonia.Rendering;
 using SharpDX.Direct2D1;
-using SharpDX.WIC;
-using DirectWriteFactory = SharpDX.DirectWrite.Factory;
 
 namespace Avalonia.Direct2D1.Media
 {
     public class WicRenderTargetBitmapImpl : WicBitmapImpl, IRenderTargetBitmapImpl
     {
-        private readonly DirectWriteFactory _dwriteFactory;
-        private readonly WicRenderTarget _target;
+        private readonly WicRenderTarget _renderTarget;
 
         public WicRenderTargetBitmapImpl(
-            ImagingFactory imagingFactory,
-            Factory d2dFactory,
-            DirectWriteFactory dwriteFactory,
             int width,
             int height,
             double dpiX,
             double dpiY,
             Platform.PixelFormat? pixelFormat = null)
-            : base(imagingFactory, width, height, pixelFormat)
+            : base(width, height, pixelFormat)
         {
             var props = new RenderTargetProperties
             {
@@ -32,17 +26,16 @@ namespace Avalonia.Direct2D1.Media
                 DpiY = (float)dpiY,
             };
 
-            _target = new WicRenderTarget(
-                d2dFactory,
+            _renderTarget = new WicRenderTarget(
+                Direct2D1Platform.Direct2D1Factory,
                 WicImpl,
                 props);
-
-            _dwriteFactory = dwriteFactory;
         }
 
         public override void Dispose()
         {
-            _target.Dispose();
+            _renderTarget.Dispose();
+
             base.Dispose();
         }
 
@@ -51,8 +44,7 @@ namespace Avalonia.Direct2D1.Media
 
         public IDrawingContextImpl CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer, Action finishedCallback)
         {
-            return new DrawingContextImpl(visualBrushRenderer, null, _target, _dwriteFactory, WicImagingFactory,
-                finishedCallback: finishedCallback);
+            return new DrawingContextImpl(visualBrushRenderer, null, _renderTarget, finishedCallback: finishedCallback);
         }
     }
 }

src/Windows/Avalonia.Direct2D1/Media/Imaging/WriteableWicBitmapImpl.cs

@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Avalonia.Platform;
 using SharpDX.WIC;
 using PixelFormat = Avalonia.Platform.PixelFormat;
@@ -11,8 +7,8 @@ namespace Avalonia.Direct2D1.Media.Imaging
 {
     class WriteableWicBitmapImpl : WicBitmapImpl, IWriteableBitmapImpl
     {
-        public WriteableWicBitmapImpl(ImagingFactory factory, int width, int height, PixelFormat? pixelFormat) 
-            : base(factory, width, height, pixelFormat)
+        public WriteableWicBitmapImpl(int width, int height, PixelFormat? pixelFormat) 
+            : base(width, height, pixelFormat)
         {
         }
 

src/Windows/Avalonia.Direct2D1/Media/StreamGeometryImpl.cs

@@ -31,8 +31,7 @@ namespace Avalonia.Direct2D1.Media
         /// <inheritdoc/>
         public IStreamGeometryImpl Clone()
         {
-            Factory factory = AvaloniaLocator.Current.GetService<Factory>();
-            var result = new PathGeometry(factory);
+            var result = new PathGeometry(Direct2D1Platform.Direct2D1Factory);
             var sink = result.Open();
             ((PathGeometry)Geometry).Stream(sink);
             sink.Close();
@@ -47,8 +46,7 @@ namespace Avalonia.Direct2D1.Media
 
         private static Geometry CreateGeometry()
         {
-            Factory factory = AvaloniaLocator.Current.GetService<Factory>();
-            return new PathGeometry(factory);
+            return new PathGeometry(Direct2D1Platform.Direct2D1Factory);
         }
     }
 }

src/Windows/Avalonia.Direct2D1/RenderTarget.cs

@@ -1,14 +1,10 @@
 // Copyright (c) The Avalonia Project. All rights reserved.
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
-using System;
 using Avalonia.Direct2D1.Media;
 using Avalonia.Direct2D1.Media.Imaging;
 using Avalonia.Platform;
 using Avalonia.Rendering;
-using SharpDX.Direct2D1;
-using DwFactory = SharpDX.DirectWrite.Factory;
-using WicFactory = SharpDX.WIC.ImagingFactory;
 
 namespace Avalonia.Direct2D1
 {
@@ -25,32 +21,21 @@ namespace Avalonia.Direct2D1
         /// <param name="renderTarget">The render target.</param>
         public RenderTarget(SharpDX.Direct2D1.RenderTarget renderTarget)
         {
-            Direct2DFactory = AvaloniaLocator.Current.GetService<Factory>();
-            DirectWriteFactory = AvaloniaLocator.Current.GetService<DwFactory>();
-            WicFactory = AvaloniaLocator.Current.GetService<WicFactory>();
             _renderTarget = renderTarget;
         }
 
-        public Factory Direct2DFactory { get; }
-        public DwFactory DirectWriteFactory { get; }
-        public WicFactory WicFactory { get; }
-
         /// <summary>
         /// Creates a drawing context for a rendering session.
         /// </summary>
         /// <returns>An <see cref="Avalonia.Platform.IDrawingContextImpl"/>.</returns>
         public IDrawingContextImpl CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer)
         {
-            return new DrawingContextImpl(visualBrushRenderer, this, _renderTarget, DirectWriteFactory, WicFactory);
+            return new DrawingContextImpl(visualBrushRenderer, this, _renderTarget);
         }
 
         public IRenderTargetBitmapImpl CreateLayer(Size size)
         {
-            return D2DRenderTargetBitmapImpl.CreateCompatible(
-                WicFactory,
-                DirectWriteFactory,
-                _renderTarget,
-                size);
+            return D2DRenderTargetBitmapImpl.CreateCompatible(_renderTarget, size);
         }
 
         public void Dispose()

src/Windows/Avalonia.Direct2D1/SwapChainRenderTarget.cs

@@ -1,16 +1,14 @@
-using System;
+using Avalonia.Direct2D1.Media;
+using Avalonia.Direct2D1.Media.Imaging;
 using Avalonia.Platform;
+using Avalonia.Rendering;
+
 using SharpDX;
 using SharpDX.Direct2D1;
 using SharpDX.DXGI;
-using PixelFormat = SharpDX.Direct2D1.PixelFormat;
+
 using AlphaMode = SharpDX.Direct2D1.AlphaMode;
-using Device = SharpDX.Direct2D1.Device;
-using Factory = SharpDX.Direct2D1.Factory;
-using Factory2 = SharpDX.DXGI.Factory2;
-using Avalonia.Rendering;
-using Avalonia.Direct2D1.Media;
-using Avalonia.Direct2D1.Media.Imaging;
+using PixelFormat = SharpDX.Direct2D1.PixelFormat;
 
 namespace Avalonia.Direct2D1
 {
@@ -21,23 +19,6 @@ namespace Avalonia.Direct2D1
         private DeviceContext _deviceContext;
         private SwapChain1 _swapChain;
 
-        protected SwapChainRenderTarget()
-        {
-            DxgiDevice = AvaloniaLocator.Current.GetService<SharpDX.DXGI.Device>();
-            D2DDevice = AvaloniaLocator.Current.GetService<Device>();
-            Direct2DFactory = AvaloniaLocator.Current.GetService<Factory>();
-            DirectWriteFactory = AvaloniaLocator.Current.GetService<SharpDX.DirectWrite.Factory>();
-            WicImagingFactory = AvaloniaLocator.Current.GetService<SharpDX.WIC.ImagingFactory>();
-        }
-
-        public Factory Direct2DFactory { get; }
-        public SharpDX.DirectWrite.Factory DirectWriteFactory { get; }
-        public SharpDX.WIC.ImagingFactory WicImagingFactory { get; }
-
-        protected SharpDX.DXGI.Device DxgiDevice { get; }
-        
-        public Device D2DDevice { get; }
-
         /// <summary>
         /// Creates a drawing context for a rendering session.
         /// </summary>
@@ -54,13 +35,7 @@ namespace Avalonia.Direct2D1
                 CreateSwapChain();
             }
 
-            return new DrawingContextImpl(
-                visualBrushRenderer,
-                this,
-                _deviceContext,
-                DirectWriteFactory,
-                WicImagingFactory,
-                _swapChain);
+            return new DrawingContextImpl(visualBrushRenderer, this, _deviceContext, _swapChain);
         }
 
         public IRenderTargetBitmapImpl CreateLayer(Size size)
@@ -70,11 +45,7 @@ namespace Avalonia.Direct2D1
                 CreateSwapChain();
             }
 
-            return D2DRenderTargetBitmapImpl.CreateCompatible(
-                WicImagingFactory,
-                DirectWriteFactory,
-                _deviceContext,
-                size);
+            return D2DRenderTargetBitmapImpl.CreateCompatible(_deviceContext, size);
         }
 
         public void Dispose()
@@ -85,11 +56,11 @@ namespace Avalonia.Direct2D1
 
         private void CreateSwapChain()
         {
-            using (var dxgiAdaptor = DxgiDevice.Adapter)
-            using (var dxgiFactory = dxgiAdaptor.GetParent<Factory2>())
+            using (var dxgiAdaptor = Direct2D1Platform.DxgiDevice.Adapter)
+            using (var dxgiFactory = dxgiAdaptor.GetParent<SharpDX.DXGI.Factory2>())
             {
                 _deviceContext?.Dispose();
-                _deviceContext = new DeviceContext(D2DDevice, DeviceContextOptions.None) {DotsPerInch = _savedDpi};
+                _deviceContext = new DeviceContext(Direct2D1Platform.Direct2D1Device, DeviceContextOptions.None) { DotsPerInch = _savedDpi };
 
                 var swapChainDesc = new SwapChainDescription1
                 {
@@ -119,7 +90,7 @@ namespace Avalonia.Direct2D1
                     new BitmapProperties1(
                         new PixelFormat
                         {
-                            AlphaMode = AlphaMode.Ignore,
+                            AlphaMode = AlphaMode.Premultiplied,
                             Format = Format.B8G8R8A8_UNorm
                         },
                         _savedDpi.Width,
@@ -131,7 +102,7 @@ namespace Avalonia.Direct2D1
             }
         }
 
-        protected abstract SwapChain1 CreateSwapChain(Factory2 dxgiFactory, SwapChainDescription1 swapChainDesc);
+        protected abstract SwapChain1 CreateSwapChain(SharpDX.DXGI.Factory2 dxgiFactory, SwapChainDescription1 swapChainDesc);
 
         protected abstract Size2F GetWindowDpi();