[Enhancement] Shapes

Stubs/Xamarin.Forms.Platform.cs

@@ -174,6 +174,23 @@ internal class _RefreshViewRenderer { }
 
 	[RenderWith(typeof(SwipeViewRenderer))]
 	internal class _SwipeViewRenderer { }
+
+#if !TIZEN4_0
+	[RenderWith(typeof(EllipseRenderer))]
+	internal class _EllipseRenderer { }
+
+	[RenderWith(typeof(LineRenderer))]
+	internal class _LineRenderer { }
+
+	[RenderWith(typeof(PolylineRenderer))]
+	internal class _PolylineRenderer { }
+
+	[RenderWith(typeof(PolygonRenderer))]
+	internal class _PolygonRenderer { }
+
+	[RenderWith(typeof(RectangleRenderer))]
+	internal class _RectangleRenderer { }
+#endif
 }
 
 

Xamarin.Forms.ControlGallery.Android/StaggeredCollectionViewRenderer.cs

@@ -1,6 +1,5 @@
 using System;
 using Android.Content;
-using Android.Graphics;
 #if __ANDROID_29__
 using AndroidX.AppCompat.Widget;
 using AndroidX.RecyclerView.Widget;
@@ -11,6 +10,7 @@
 using Xamarin.Forms.ControlGallery.Android;
 using Xamarin.Forms.Controls.GalleryPages.CollectionViewGalleries.AlternateLayoutGalleries;
 using Xamarin.Forms.Platform.Android;
+using ARect = Android.Graphics.Rect;
 using AView = Android.Views.View;
 
 [assembly: ExportRenderer(typeof(StaggeredCollectionView), typeof(StaggeredCollectionViewRenderer))]
@@ -70,7 +70,7 @@ public SpacingItemDecoration(StaggeredGridItemsLayout itemsLayout)
 			}
 		}
 
-		public override void GetItemOffsets(Rect outRect, AView view, RecyclerView parent, RecyclerView.State state)
+		public override void GetItemOffsets(ARect outRect, AView view, RecyclerView parent, RecyclerView.State state)
 		{
 			base.GetItemOffsets(outRect, view, parent, state);
 

Xamarin.Forms.ControlGallery.WPF/Renderers/Issue6693ControlRenderer.cs

@@ -1,17 +1,11 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows;
+using System.Windows;
 using System.Windows.Media;
 using Xamarin.Forms.ControlGallery.WPF.Renderers;
 using Xamarin.Forms.Controls.Issues;
 using Xamarin.Forms.Platform.WPF;
-using WColor = System.Windows.Media.Color;
+using WRect = System.Windows.Rect;
 
-[assembly:ExportRenderer(typeof(Issue6693Control), typeof(Issue6693ControlRenderer))]
+[assembly: ExportRenderer(typeof(Issue6693Control), typeof(Issue6693ControlRenderer))]
 namespace Xamarin.Forms.ControlGallery.WPF.Renderers
 {
 	public class Issue6693ControlRenderer:ViewRenderer<Issue6693Control,WIssue6693Control>
@@ -35,7 +29,7 @@ public WIssue6693Control()
 
 		protected override void OnRender(DrawingContext drawingContext)
 		{
-			drawingContext.DrawRectangle(Brushes.LightGray, new Pen(Brushes.Black, 1), new Rect(0,0,ActualWidth, ActualHeight));
+			drawingContext.DrawRectangle(Brushes.LightGray, new Pen(Brushes.Black, 1), new WRect(0,0,ActualWidth, ActualHeight));
 			var isEnabledText = IsEnabled ? "I'm enabled :)" : "I'm disabled :(";
 			drawingContext.DrawText(new FormattedText(isEnabledText, 
 				System.Globalization.CultureInfo.CurrentCulture, 

Xamarin.Forms.ControlGallery.WindowsUniversal/BrokenNativeControl.cs

@@ -1,10 +1,10 @@
-using Windows.Foundation;
 using Windows.Graphics.Display;
 using Windows.UI;
 using Windows.UI.ViewManagement;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Media;
+using WRect = Windows.Foundation.Rect;
 
 namespace Xamarin.Forms.ControlGallery.WindowsUniversal
 {
@@ -47,7 +47,7 @@ public string Text
 
 		protected override Windows.Foundation.Size ArrangeOverride(Windows.Foundation.Size finalSize)
 		{
-			_textBlock.Arrange(new Rect(0, 0, finalSize.Width, finalSize.Height));
+			_textBlock.Arrange(new WRect(0, 0, finalSize.Width, finalSize.Height));
 			return finalSize;
 		}
 
@@ -57,7 +57,7 @@ protected override Windows.Foundation.Size  MeasureOverride (Windows.Foundation.
 			_textBlock.Measure (availableSize);
 
 			// This deliberately does something wrong so we can demo fixing it
-			Rect bounds = ApplicationView.GetForCurrentView ().VisibleBounds;
+			WRect bounds = ApplicationView.GetForCurrentView ().VisibleBounds;
 			double scaleFactor = DisplayInformation.GetForCurrentView ().RawPixelsPerViewPixel;
 			var size = new Size (bounds.Width * scaleFactor, bounds.Height * scaleFactor);
 

Xamarin.Forms.ControlGallery.WindowsUniversal/CustomRenderers.cs

@@ -5,10 +5,11 @@
 using Windows.UI.Xaml.Controls;
 using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Media;
-using Windows.UI.Xaml.Shapes;
 using Xamarin.Forms.ControlGallery.WindowsUniversal;
 using Xamarin.Forms.Controls.Issues;
 using Xamarin.Forms.Platform.UWP;
+using WEllipse = Windows.UI.Xaml.Shapes.Ellipse;
+using WShape = Windows.UI.Xaml.Shapes.Shape;
 
 [assembly: ExportRenderer(typeof(Xamarin.Forms.Controls.Issues.Bugzilla42602.TextBoxView), typeof(Xamarin.Forms.ControlGallery.WindowsUniversal.TextBoxViewRenderer))]
 [assembly: ExportRenderer(typeof(Issue1683.EntryKeyboardFlags), typeof(EntryRendererKeyboardFlags))]
@@ -143,7 +144,7 @@ protected override void OnElementChanged(ElementChangedEventArgs<BoxView> e)
 			Children.Add(m_Canvas);
 
 			//ellipse
-			Shape ellipse = new Ellipse()
+			WShape ellipse = new WEllipse()
 			{
 				Width = 100,
 				Height = 100,

Xamarin.Forms.ControlGallery.WindowsUniversal/MainPage.xaml.cs

@@ -15,7 +15,7 @@
 using Xamarin.Forms.ControlGallery.WindowsUniversal;
 using Xamarin.Forms.Controls;
 using Xamarin.Forms.Platform.UWP;
-
+using WRect = Windows.Foundation.Rect;
 
 namespace Xamarin.Forms.ControlGallery.WindowsUniversal
 {
@@ -119,17 +119,17 @@ void AddNativeControls(NestedNativeControlGalleryPage page)
 
 					// The broken control always tries to size itself to the screen width
 					// So figure that out and we'll know how far off it's laying itself out
-					Rect bounds = ApplicationView.GetForCurrentView().VisibleBounds;
+					WRect bounds = ApplicationView.GetForCurrentView().VisibleBounds;
 					double scaleFactor = DisplayInformation.GetForCurrentView().RawPixelsPerViewPixel;
 					var screenWidth = new Size(bounds.Width * scaleFactor, bounds.Height * scaleFactor);
 
 					// We can re-center it by offsetting it during the Arrange call
 					double diff = Math.Abs(screenWidth.Width - finalSize.Width) / -2;
-					frameworkElement.Arrange(new Rect(diff, 0, finalSize.Width - diff, finalSize.Height));
+					frameworkElement.Arrange(new WRect(diff, 0, finalSize.Width - diff, finalSize.Height));
 
 					// Arranging the control to the left will make it show up past the edge of the stack layout
 					// We can fix that by clipping it manually
-					var clip = new RectangleGeometry { Rect = new Rect(-diff, 0, finalSize.Width, finalSize.Height) };
+					var clip = new RectangleGeometry { Rect = new WRect(-diff, 0, finalSize.Width, finalSize.Height) };
 					frameworkElement.Clip = clip;
 
 					return finalSize;

Xamarin.Forms.Controls/CoreGallery.cs

@@ -18,6 +18,7 @@
 using Xamarin.Forms.Controls.GalleryPages.AppThemeGalleries;
 using Xamarin.Forms.Controls.GalleryPages.ExpanderGalleries;
 using Xamarin.Forms.Controls.GalleryPages.RadioButtonGalleries;
+using Xamarin.Forms.Controls.GalleryPages.ShapesGalleries;
 
 namespace Xamarin.Forms.Controls
 {
@@ -360,6 +361,7 @@ public override string ToString()
 				new GalleryPageFactory(() => new ScrollGallery(ScrollOrientation.Horizontal), "ScrollView Gallery Horizontal"),
 				new GalleryPageFactory(() => new ScrollGallery(ScrollOrientation.Both), "ScrollView Gallery 2D"),
 				new GalleryPageFactory(() => new SearchBarCoreGalleryPage(), "SearchBar Gallery"),
+				new GalleryPageFactory(() => new ShapesGallery(), "Shapes Gallery"),
 				new GalleryPageFactory(() => new SliderCoreGalleryPage(), "Slider Gallery"),
 				new GalleryPageFactory(() => new StepperCoreGalleryPage(), "Stepper Gallery"),
 				new GalleryPageFactory(() => new SwitchCoreGalleryPage(), "Switch Gallery"),

Xamarin.Forms.Controls/GalleryPages/MapElementsGallery.xaml.cs

@@ -1,12 +1,8 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-using Xamarin.Forms;
-using Xamarin.Forms.Maps;
 using Xamarin.Forms.Xaml;
+using Xamarin.Forms.Maps;
+using Map = Xamarin.Forms.Maps;
 
 namespace Xamarin.Forms.Controls.GalleryPages
 {
@@ -22,9 +18,9 @@ enum SelectedElementType
 
 		SelectedElementType _selectedType;
 
-		Polyline _polyline;
-		Polygon _polygon;
-		Circle _circle;
+		Map.Polyline _polyline;
+		Map.Polygon _polygon;
+		Map.Circle _circle;
 
 		Random _random = new Random();
 
@@ -37,7 +33,7 @@ public MapElementsGallery()
 					new Position(39.828152, -98.569817),
 					Distance.FromMiles(1681)));
 
-			_polyline = new Polyline
+			_polyline = new Maps.Polyline
 			{
 				Geopath =
 				{
@@ -47,7 +43,7 @@ public MapElementsGallery()
 				}
 			};
 
-			_polygon = new Polygon
+			_polygon = new Maps.Polygon
 			{
 				StrokeColor = Color.FromHex("#002868"),
 				FillColor = Color.FromHex("#88BF0A30"),
@@ -108,10 +104,10 @@ void AddClicked(object sender, EventArgs e)
 			switch (_selectedType)
 			{
 				case SelectedElementType.Polyline:
-					Map.MapElements.Add(_polyline = new Polyline());
+					Map.MapElements.Add(_polyline = new Maps.Polyline());
 					break;
 				case SelectedElementType.Polygon:
-					Map.MapElements.Add(_polygon = new Polygon());
+					Map.MapElements.Add(_polygon = new Maps.Polygon());
 					break;
 				case SelectedElementType.Circle:
 					Map.MapElements.Add(_circle = new Circle());
@@ -125,18 +121,18 @@ void RemoveClicked(object sender, EventArgs e)
 			{
 				case SelectedElementType.Polyline:
 					Map.MapElements.Remove(_polyline);
-					_polyline = Map.MapElements.OfType<Polyline>().LastOrDefault();
+					_polyline = Map.MapElements.OfType<Maps.Polyline>().LastOrDefault();
 
 					if (_polyline == null)
-						Map.MapElements.Add(_polyline = new Polyline());
+						Map.MapElements.Add(_polyline = new Maps.Polyline());
 
 					break;
 				case SelectedElementType.Polygon:
 					Map.MapElements.Remove(_polygon);
-					_polygon = Map.MapElements.OfType<Polygon>().LastOrDefault();
+					_polygon = Map.MapElements.OfType<Maps.Polygon>().LastOrDefault();
 
 					if (_polygon == null)
-						Map.MapElements.Add(_polygon = new Polygon());
+						Map.MapElements.Add(_polygon = new Maps.Polygon());
 
 					break;
 				case SelectedElementType.Circle:

Xamarin.Forms.Controls/GalleryPages/ShapesGalleries/AutoSizeShapesGallery.xaml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Xamarin.Forms.Controls.GalleryPages.ShapesGalleries.AutoSizeShapesGallery"
+    Title="AutoSize Shapes Gallery">
+    <ContentPage.Content>
+        <Grid
+            RowSpacing="0">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="Auto" />
+                <RowDefinition />
+                <RowDefinition />
+            </Grid.RowDefinitions>
+            <Label
+                Text="The Ellipse below must occupy half of the available space."
+                TextColor="White"
+                BackgroundColor="Black"/>
+            <Grid
+                Grid.Row="1"
+                BackgroundColor="Yellow">
+                <Ellipse
+                    StrokeThickness="4" 
+                    Stroke="Blue"
+                    Fill="Green" />
+            </Grid>
+            <Grid
+                Grid.Row="2"
+                BackgroundColor="Orange"/>
+        </Grid>
+    </ContentPage.Content>
+</ContentPage>

Xamarin.Forms.Controls/GalleryPages/ShapesGalleries/AutoSizeShapesGallery.xaml.cs

@@ -0,0 +1,10 @@
+namespace Xamarin.Forms.Controls.GalleryPages.ShapesGalleries
+{
+	public partial class AutoSizeShapesGallery : ContentPage
+	{
+		public AutoSizeShapesGallery()
+		{
+			InitializeComponent();
+		}
+	}
+}

Xamarin.Forms.Controls/GalleryPages/ShapesGalleries/EllipseGallery.xaml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    x:Class="Xamarin.Forms.Controls.GalleryPages.ShapesGalleries.EllipseGallery"
+    Title="Ellipse Gallery">
+    <ContentPage.Resources>
+        <ResourceDictionary>
+
+            <Style TargetType="Ellipse">
+                <Setter Property="HorizontalOptions" Value="Start" />
+            </Style>
+
+        </ResourceDictionary>
+    </ContentPage.Resources>
+    <ContentPage.Content>
+        <ScrollView>
+            <StackLayout
+                Padding="12">
+                <Label
+                    Text="A basic Rectangle"/>
+                <Ellipse
+                    Fill ="Red"
+                    WidthRequest ="150"
+                    HeightRequest ="50"/>
+                <Label
+                    Text="A Circle"/>
+                <Ellipse
+                    Stroke ="Red"
+                    StrokeThickness="4"
+                    WidthRequest ="150"
+                    HeightRequest ="150"/>
+                <Label
+                    Text="An Ellipse with stroke"/>
+                <Ellipse
+                    Stroke ="Red"
+                    StrokeThickness="4"
+                    WidthRequest ="150"
+                    HeightRequest ="50"/>
+                <Ellipse
+                    Fill="DarkBlue"
+                    Stroke ="Red"
+                    StrokeThickness="4"
+                    WidthRequest ="150"
+                    HeightRequest ="50"/>
+                <Label
+                    Text="An Ellipse with stroke dash"/>
+                <Ellipse
+                    Fill="DarkBlue"
+                    Stroke ="Red"
+                    StrokeThickness="4"
+                    StrokeDashArray="1, 1"
+                    StrokeDashOffset="6"
+                    WidthRequest ="150"
+                    HeightRequest ="50"/>
+            </StackLayout>
+        </ScrollView>
+    </ContentPage.Content>
+</ContentPage>

Xamarin.Forms.Controls/GalleryPages/ShapesGalleries/EllipseGallery.xaml.cs

@@ -0,0 +1,13 @@
+using Xamarin.Forms.Internals;
+
+namespace Xamarin.Forms.Controls.GalleryPages.ShapesGalleries
+{
+	[Preserve(AllMembers = true)]
+	public partial class EllipseGallery : ContentPage
+	{
+		public EllipseGallery()
+		{
+			InitializeComponent();
+		}
+	}
+}