ui adjustment

Pixiview.iOS/Renderers/CardViewRenderer.cs

@@ -0,0 +1,53 @@
+using CoreGraphics;
+using Pixiview.iOS.Renderers;
+using Pixiview.UI;
+using UIKit;
+using Xamarin.Forms;
+using Xamarin.Forms.Platform.iOS;
+
+[assembly: ExportRenderer(typeof(CardView), typeof(CardViewRenderer))]
+namespace Pixiview.iOS.Renderers
+{
+    public class CardViewRenderer : VisualElementRenderer<CardView>
+    {
+        protected override void OnElementChanged(ElementChangedEventArgs<CardView> e)
+        {
+            base.OnElementChanged(e);
+
+            var layer = Layer;
+            var element = e.NewElement;
+            if (layer != null && element != null)
+            {
+                var cornerRadius = element.CornerRadius;
+                if (cornerRadius > 0)
+                {
+                    layer.CornerRadius = cornerRadius;
+                }
+
+                //if (element.BackgroundColor != default)
+                //{
+                //    layer.BackgroundColor = element.BackgroundColor.ToCGColor();
+                //}
+
+                var shadowColor = element.ShadowColor;
+                if (shadowColor != default)
+                {
+                    layer.ShadowColor = shadowColor.ToCGColor();
+                    layer.ShadowOpacity = 1f;
+
+                    var radius = element.ShadowRadius;
+                    if (radius > 0)
+                    {
+                        layer.ShadowRadius = radius;
+                    }
+
+                    layer.ShadowOffset = element.ShadowOffset.ToSizeF();
+                }
+                else
+                {
+                    layer.ShadowOpacity = 0f;
+                }
+            }
+        }
+    }
+}