From b9e378b694c12fc7e7520af207cbb3e199fc9d4c Mon Sep 17 00:00:00 2001
From: Nikita Tsukanov <keks9n@gmail.com>
Date: Sun, 30 Apr 2017 18:45:38 +0300
Subject: [PATCH] Removed obsolete code from Skia.iOS

---
 .../Avalonia.Skia.iOS.csproj                  |   2 -
 src/Skia/Avalonia.Skia.iOS/RenderTarget.cs    | 133 ------------------
 .../WindowDrawingContextImpl.cs               |  23 ---
 3 files changed, 158 deletions(-)
 delete mode 100644 src/Skia/Avalonia.Skia.iOS/RenderTarget.cs
 delete mode 100644 src/Skia/Avalonia.Skia.iOS/WindowDrawingContextImpl.cs

diff --git a/src/Skia/Avalonia.Skia.iOS/Avalonia.Skia.iOS.csproj b/src/Skia/Avalonia.Skia.iOS/Avalonia.Skia.iOS.csproj
index 6b6604b88c..220fb37b81 100644
--- a/src/Skia/Avalonia.Skia.iOS/Avalonia.Skia.iOS.csproj
+++ b/src/Skia/Avalonia.Skia.iOS/Avalonia.Skia.iOS.csproj
@@ -37,10 +37,8 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Include="RenderTarget.cs" />
     <Compile Include="SkiaView.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="WindowDrawingContextImpl.cs" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
diff --git a/src/Skia/Avalonia.Skia.iOS/RenderTarget.cs b/src/Skia/Avalonia.Skia.iOS/RenderTarget.cs
deleted file mode 100644
index d097f35ce1..0000000000
--- a/src/Skia/Avalonia.Skia.iOS/RenderTarget.cs
+++ /dev/null
@@ -1,133 +0,0 @@
-using System;
-using Avalonia.Media;
-using Avalonia.Platform;
-using SkiaSharp;
-using CoreGraphics;
-using UIKit;
-
-namespace Avalonia.Skia
-{
-    internal partial class RenderTarget : IRenderTarget
-    {
-        public SKSurface Surface { get; protected set; }
-
-        public virtual DrawingContext CreateDrawingContext()
-        {
-            return
-                new DrawingContext(
-                    new DrawingContextImpl(Surface.Canvas));
-        }
-
-        public void Dispose()
-        {
-            // Nothing to do here.
-        }
-    }
-
-    internal class WindowRenderTarget : RenderTarget
-    {
-
-        SKBitmap _bitmap;
-        int Width { get; set; }
-        int Height { get; set; }
-
-        public WindowRenderTarget()
-        {
-            FixSize();
-        }
-
-        private CGRect GetApplicationFrame()
-        {
-            // if we are excluding Status Bar then we use ApplicationFrame
-            // otherwise we use full screen bounds. Note that this must also match
-            // the Skia/AvaloniaView!!!
-            //
-            bool excludeStatusArea = false; // TODO: make this configurable later
-            if (excludeStatusArea)
-            {
-                return UIScreen.MainScreen.ApplicationFrame;
-            }
-            else
-            {
-                return UIScreen.MainScreen.Bounds;
-            }
-        }
-
-        private void FixSize()
-        {
-            int width, height;
-            GetPlatformWindowSize(out width, out height);
-            if (Width == width && Height == height)
-                return;
-
-            Width = width;
-            Height = height;
-
-            if (Surface != null)
-            {
-                Surface.Dispose();
-            }
-
-            if (_bitmap != null)
-            {
-                _bitmap.Dispose();
-            }
-
-            _bitmap = new SKBitmap(width, height, SKImageInfo.PlatformColorType, SKAlphaType.Premul);
-
-            IntPtr length;
-            var pixels = _bitmap.GetPixels(out length);
-
-            // Wrap the bitmap in a Surface and keep it cached
-            Surface = SKSurface.Create(_bitmap.Info, pixels, _bitmap.RowBytes);
-        }
-
-        private void GetPlatformWindowSize(out int w, out int h)
-        {
-            var bounds = GetApplicationFrame();
-            w = (int)bounds.Width;
-            h = (int)bounds.Height;
-        }
-
-        public override DrawingContext CreateDrawingContext()
-        {
-            FixSize();
-
-            var canvas = Surface.Canvas;
-            canvas.RestoreToCount(0);
-            canvas.Save();
-
-            var screenScale = UIScreen.MainScreen.Scale;
-            canvas.Scale((float)screenScale, (float)screenScale);
-
-            canvas.Clear(SKColors.Red);
-            canvas.ResetMatrix();
-
-            return new DrawingContext(new WindowDrawingContextImpl(this));
-        }
-
-        public void Present()
-        {
-            _bitmap.LockPixels();
-            IntPtr length;
-            var pixels = _bitmap.GetPixels(out length);
-
-            const int bitmapInfo = ((int)CGBitmapFlags.ByteOrder32Big) | ((int)CGImageAlphaInfo.PremultipliedLast);
-            var bounds = GetApplicationFrame();
-            var statusBarOffset = UIScreen.MainScreen.Bounds.Height - bounds.Height;
-
-            using (var colorSpace = CGColorSpace.CreateDeviceRGB())
-            using (var bContext = new CGBitmapContext(pixels, _bitmap.Width, _bitmap.Height, 8, _bitmap.Width * 4, colorSpace, (CGImageAlphaInfo)bitmapInfo))
-            using (var image = bContext.ToImage())
-            using (var context = UIGraphics.GetCurrentContext())
-            {
-                // flip the image for CGContext.DrawImage
-                context.TranslateCTM(0, bounds.Height + statusBarOffset);
-                context.ScaleCTM(1, -1);
-                context.DrawImage(bounds, image);
-            }
-
-            _bitmap.UnlockPixels();
-        }
-    }
-}
diff --git a/src/Skia/Avalonia.Skia.iOS/WindowDrawingContextImpl.cs b/src/Skia/Avalonia.Skia.iOS/WindowDrawingContextImpl.cs
deleted file mode 100644
index db9d10a346..0000000000
--- a/src/Skia/Avalonia.Skia.iOS/WindowDrawingContextImpl.cs
+++ /dev/null
@@ -1,23 +0,0 @@
-
-namespace Avalonia.Skia
-{
-#if !DESKTOP
-    // not sure we need this yet
-    internal class WindowDrawingContextImpl : DrawingContextImpl
-    {
-        WindowRenderTarget _target;
-
-        public WindowDrawingContextImpl(WindowRenderTarget target)
-            : base(target.Surface.Canvas)
-        {
-            _target = target;
-        }
-
-        public override void Dispose()
-        {
-            base.Dispose();
-            _target.Present();
-        }
-    }
-#endif
-}
\ No newline at end of file