From b25ad7a6e15a7284e40407377a1624747ffe42e5 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date: Wed, 24 Nov 2021 23:50:38 +0100
Subject: IBackend instead of IDevice to bind to Interface

---
 Backends/CairoBackend/src/Device.cs | 98 +++----------------------------------
 1 file changed, 8 insertions(+), 90 deletions(-)

(limited to 'Backends/CairoBackend/src/Device.cs')

diff --git a/Backends/CairoBackend/src/Device.cs b/Backends/CairoBackend/src/Device.cs
index c87b494b..2efe76ec 100644
--- a/Backends/CairoBackend/src/Device.cs
+++ b/Backends/CairoBackend/src/Device.cs
@@ -77,18 +77,9 @@ namespace Crow.CairoBackend
 	}
 	public class Device : IDevice
 	{
-		/// <summary> Global font rendering settings for Cairo </summary>
-		FontOptions FontRenderingOptions;
-		/// <summary> Global font rendering settings for Cairo </summary>
-		Antialias Antialias = Antialias.Subpixel;
 
 		public Device()
 		{
-			FontRenderingOptions = new FontOptions ();
-			FontRenderingOptions.Antialias = Antialias.Subpixel;
-			FontRenderingOptions.HintMetrics = HintMetrics.On;
-			FontRenderingOptions.HintStyle = HintStyle.Full;
-			FontRenderingOptions.SubpixelOrder = SubpixelOrder.Default;
 		}
 
 		~Device ()
@@ -106,87 +97,12 @@ namespace Crow.CairoBackend
 		{
 			throw new NotImplementedException();
 		}
-		public IRegion CreateRegion () => new Region ();
-		public virtual ISurface CreateSurface(int width, int height)
-			=> new ImageSurface (Format.ARGB32, width, height);
-		public virtual ISurface CreateSurface(byte[] data, int width, int height)
-			=> new ImageSurface (data, Format.ARGB32, width, height, 4 * width);
-
-		public virtual ISurface CreateSurface (IntPtr nativeWindoPointer, int width, int height) {
-			switch (Environment.OSVersion.Platform) {
-			case PlatformID.Unix:
-				IntPtr disp = Glfw3.GetX11Display ();
-				IntPtr nativeWin = Glfw3.GetX11Window (nativeWindoPointer);
-				Int32 scr = Glfw3.GetX11DefaultScreen (disp);
-				IntPtr visual = Glfw3.GetX11DefaultVisual (disp, scr);
-				return new XlibSurface (disp, nativeWin, visual, width, height);
-			case PlatformID.Win32NT:
-			case PlatformID.Win32S:
-			case PlatformID.Win32Windows:
-				IntPtr hWin32 = Glfw3.GetWin32Window (nativeWindoPointer);
-				IntPtr hdc = Glfw3.GetWin32DC (hWin32);
-				return new Win32Surface (hdc);
-			}
-			throw new PlatformNotSupportedException ("Unable to create cairo surface.");
-		}
 
-		public virtual IContext CreateContext(ISurface surf)
-		{
-			Context gr = new Context (surf);
-			gr.FontOptions = FontRenderingOptions;
-			gr.Antialias = Antialias;
-			return gr;
-		}
-		public byte[] LoadBitmap (Stream stream, out Size dimensions) {
-			byte[] image;
-#if STB_SHARP
-			StbImageSharp.ImageResult stbi = StbImageSharp.ImageResult.FromStream (stream, StbImageSharp.ColorComponents.RedGreenBlueAlpha);
-			image = new byte[stbi.Data.Length];
-			//rgba to argb for cairo.
-			for (int i = 0; i < stbi.Data.Length; i += 4) {
-				image[i] = stbi.Data[i + 2];
-				image[i + 1] = stbi.Data[i + 1];
-				image[i + 2] = stbi.Data[i];
-				image[i + 3] = stbi.Data[i + 3];
-			}
-			dimensions = new Size (stbi.Width, stbi.Height);
-#else
-			using (StbImage stbi = new StbImage (stream)) {
-				image = new byte [stbi.Size];
-				for (int i = 0; i < stbi.Size; i+=4) {
-					//rgba to argb for cairo. ???? looks like bgra to me.
-					image [i] = Marshal.ReadByte (stbi.Handle, i + 2);
-					image [i + 1] = Marshal.ReadByte (stbi.Handle, i + 1);
-					image [i + 2] = Marshal.ReadByte (stbi.Handle, i);
-					image [i + 3] = Marshal.ReadByte (stbi.Handle, i + 3);
-				}
-				dimensions = new Size (stbi.Width, stbi.Height);
-			}
-#endif
-			return image;
-		}
-		public ISvgHandle LoadSvg(Stream stream)
-		{
-			using (BinaryReader sr = new BinaryReader (stream))
-				return new SvgHandle (sr.ReadBytes ((int)stream.Length));
-		}
 
-		public ISvgHandle LoadSvg(string svgFragment) =>
-			new SvgHandle (System.Text.Encoding.Unicode.GetBytes (svgFragment));
-
-		public IGradient CreateGradient (GradientType gradientType, Rectangle bounds) {
-			switch (gradientType) {
-			case GradientType.Vertical:
-				return new LinearGradient (bounds.Left, bounds.Top, bounds.Left, bounds.Bottom);
-			case GradientType.Horizontal:
-				return new LinearGradient (bounds.Left, bounds.Top, bounds.Right, bounds.Top);
-			case GradientType.Oblic:
-				return new LinearGradient (bounds.Left, bounds.Top, bounds.Right, bounds.Bottom);
-			case GradientType.Radial:
-				throw new NotImplementedException ();
-			}
-			return null;
-		}
+
+
+
+
 		#endregion
 
 		#region IDispose implementation
@@ -198,8 +114,10 @@ namespace Crow.CairoBackend
 
 		protected virtual void Dispose (bool disposing)
 		{
-			if (disposing)
-				FontRenderingOptions.Dispose ();
+			if (disposing){
+				
+			}
+				
 		}
 		#endregion
 	}
-- 
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