make OxyPlot.Xamarin.iOS compile

Author: janusw

Source/OxyPlot.Xamarin.iOS/CoreGraphicsRenderContext.cs

@@ -21,7 +21,7 @@ namespace OxyPlot.Xamarin.iOS
     /// <summary>
     /// Implements a <see cref="IRenderContext"/> for CoreGraphics.
     /// </summary>
-    public class CoreGraphicsRenderContext : RenderContextBase, IDisposable
+    public class CoreGraphicsRenderContext : ClippingRenderContext, IDisposable
     {
         /// <summary>
         /// The images in use.
@@ -68,10 +68,11 @@ public CoreGraphicsRenderContext(CGContext context)
         /// <param name="fill">The fill color.</param>
         /// <param name="stroke">The stroke color.</param>
         /// <param name="thickness">The thickness.</param>
-        public override void DrawEllipse(OxyRect rect, OxyColor fill, OxyColor stroke, double thickness)
+        public override void DrawEllipse(OxyRect rect, OxyColor fill, OxyColor stroke, double thickness, EdgeRenderingMode erm)
         {
-            this.SetAlias(false);
-            var convertedRectangle = rect.Convert();
+            bool aliased = this.ShouldUseAntiAliasingForEllipse(erm);
+            this.SetAlias(aliased);
+            var convertedRectangle = aliased ? rect.ConvertAliased() : rect.Convert();
             if (fill.IsVisible())
             {
                 this.SetFill(fill);
@@ -155,17 +156,16 @@ public override void CleanUp()
         /// </summary>
         /// <param name="rect">The clip rectangle.</param>
         /// <returns>True if the clip rectangle was set.</returns>
-        public override bool SetClip(OxyRect rect)
+        protected override void SetClip(OxyRect rect)
         {
             this.gctx.SaveState();
             this.gctx.ClipToRect(rect.Convert());
-            return true;
         }
 
         /// <summary>
         /// Resets the clip rectangle.
         /// </summary>
-        public override void ResetClip()
+        protected override void ResetClip()
         {
             this.gctx.RestoreState();
         }
@@ -178,11 +178,11 @@ public override void ResetClip()
         /// <param name="thickness">The stroke thickness.</param>
         /// <param name="dashArray">The dash array.</param>
         /// <param name="lineJoin">The line join type.</param>
-        /// <param name="aliased">if set to <c>true</c> the shape will be aliased.</param>
-        public override void DrawLine(IList<ScreenPoint> points, OxyColor stroke, double thickness, double[] dashArray, LineJoin lineJoin, bool aliased)
+        public override void DrawLine(IList<ScreenPoint> points, OxyColor stroke, double thickness, EdgeRenderingMode erm, double[] dashArray, LineJoin lineJoin)
         {
             if (stroke.IsVisible() && thickness > 0)
             {
+                bool aliased = this.ShouldUseAntiAliasingForLine(erm, points);
                 this.SetAlias(aliased);
                 this.SetStroke(stroke, thickness, dashArray, lineJoin);
 
@@ -206,9 +206,9 @@ public override void DrawLine(IList<ScreenPoint> points, OxyColor stroke, double
         /// <param name="thickness">The stroke thickness.</param>
         /// <param name="dashArray">The dash array.</param>
         /// <param name="lineJoin">The line join type.</param>
-        /// <param name="aliased">If set to <c>true</c> the shape will be aliased.</param>
-        public override void DrawPolygon(IList<ScreenPoint> points, OxyColor fill, OxyColor stroke, double thickness, double[] dashArray, LineJoin lineJoin, bool aliased)
+        public override void DrawPolygon(IList<ScreenPoint> points, OxyColor fill, OxyColor stroke, double thickness, EdgeRenderingMode erm, double[] dashArray, LineJoin lineJoin)
         {
+            bool aliased = this.ShouldUseAntiAliasingForLine(erm, points);
             this.SetAlias(aliased);
             var convertedPoints = (aliased ? points.Select(p => p.ConvertAliased()) : points.Select(p => p.Convert())).ToArray();
             if (fill.IsVisible())
@@ -246,10 +246,11 @@ public override void DrawPolygon(IList<ScreenPoint> points, OxyColor fill, OxyCo
         /// <param name="fill">The fill color.</param>
         /// <param name="stroke">The stroke color.</param>
         /// <param name="thickness">The stroke thickness.</param>
-        public override void DrawRectangle(OxyRect rect, OxyColor fill, OxyColor stroke, double thickness)
+        public override void DrawRectangle(OxyRect rect, OxyColor fill, OxyColor stroke, double thickness, EdgeRenderingMode erm)
         {
-            this.SetAlias(true);
-            var convertedRect = rect.ConvertAliased();
+            bool aliased = this.ShouldUseAntiAliasingForRect(erm);
+            this.SetAlias(aliased);
+            var convertedRect = aliased ? rect.ConvertAliased() : rect.Convert();
 
             if (fill.IsVisible())
             {

Source/OxyPlot.Xamarin.iOS/PlotView.cs

@@ -313,7 +313,8 @@ public override void Draw(CoreGraphics.CGRect rect)
                         context.FillRect (rect);
                     }
 
-                    actualModel.Render(renderer, rect.Width, rect.Height);
+                    OxyRect orect = new OxyRect(0, 0, rect.Width, rect.Height);
+                    actualModel.Render(renderer, orect);
                 }
             }
         }