зеркало из https://github.com/DeGsoft/maui-linux.git
Add ImageButton Renderer on Tizen (#4436)
This commit is contained in:
Seungkeun Lee
Rui Marinho
Родитель
86d4d43a67
Коммит
d6ddd53ed5
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@ -0,0 +1,84 @@
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using System;
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using System.Collections.Generic;
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using ElmSharp;
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namespace Xamarin.Forms.Platform.Tizen.Native
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{
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public class BorderRectangle : RoundRectangle
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{
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public BorderRectangle(EvasObject parent) : base(parent) { }
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public int BorderWidth { get; set; }
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protected override void DrawPoints()
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{
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ClearPoints();
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if (BorderWidth > 0)
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{
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IReadOnlyList<int> radius = GetRadius();
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DrawRect(radius[0], radius[1], radius[2], radius[3],
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0, 0, Width, Height);
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DrawRect(Math.Max(radius[0] - BorderWidth, 0),
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Math.Max(radius[1] - BorderWidth, 0),
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Math.Max(radius[2] - BorderWidth, 0),
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Math.Max(radius[3] - BorderWidth, 0),
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BorderWidth, BorderWidth, Width - BorderWidth * 2, Height - BorderWidth * 2);
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}
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}
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protected void DrawRect(int topLeft, int topRight, int bottomLeft, int bottomRight, int startX, int startY, int width, int height)
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{
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int[] radius = new int[4];
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int maxR = Math.Min(width / 2, height / 2);
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radius[0] = Math.Min(topLeft, maxR);
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radius[1] = Math.Min(topRight, maxR);
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radius[2] = Math.Min(bottomLeft, maxR);
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radius[3] = Math.Min(bottomRight, maxR);
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Point first = new Point(-1, -1);
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for (int i = 0; i <= radius[0]; i++)
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{
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int x = i;
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int dx = radius[0] - x;
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int y = radius[0] - (int)Math.Sqrt((radius[0] * radius[0]) - (dx * dx));
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AddRelativePoint(startX + x, startY + y);
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if (first.X < 0 && first.Y < 0)
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{
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first.X = startX + x;
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first.Y = startY + y;
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}
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}
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AddRelativePoint(startX + width - radius[1], startY);
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for (int i = width - radius[1]; i <= width; i++)
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{
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int x = i;
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int dx = radius[1] - (width - x);
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int y = radius[1] - (int)Math.Sqrt((radius[1] * radius[1]) - (dx * dx));
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AddRelativePoint(startX + x, startY + y);
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}
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AddRelativePoint(startX + width, startY + height - radius[3]);
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for (int i = width; i >= width - radius[3]; i--)
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{
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int x = i;
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int dx = radius[3] - (width - x);
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int y = height - radius[3] + (int)Math.Sqrt((radius[3] * radius[3]) - (dx * dx));
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AddRelativePoint(startX + x, startY + y);
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}
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AddRelativePoint(startX + radius[2], startY + height);
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for (int i = radius[2]; i >= 0; i--)
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{
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int x = i;
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int dx = radius[2] - x;
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int y = height - radius[2] + (int)Math.Sqrt((radius[2] * radius[2]) - (dx * dx));
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AddRelativePoint(startX + x, startY + y);
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}
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AddRelativePoint((int)first.X, (int)first.Y);
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}
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}
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}
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@ -1,11 +1,12 @@
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using System;
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using System.Collections.Generic;
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using ElmSharp;
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namespace Xamarin.Forms.Platform.Tizen.Native
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{
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public class RoundRectangle : Polygon
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{
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int[] _radius = new int[4];
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readonly int[] _radius = new int[4];
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public RoundRectangle(EvasObject parent) : base(parent)
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{
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}
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@ -29,6 +30,11 @@ namespace Xamarin.Forms.Platform.Tizen.Native
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_radius[3] = bottomRight;
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}
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public IReadOnlyList<int> GetRadius()
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{
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return _radius;
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}
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public void Draw()
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{
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DrawPoints();
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@ -96,7 +102,7 @@ namespace Xamarin.Forms.Platform.Tizen.Native
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}
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}
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void AddRelativePoint(int x, int y)
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protected void AddRelativePoint(int x, int y)
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{
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AddPoint(X + x, Y + y);
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}
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@ -35,6 +35,7 @@ using System.Reflection;
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[assembly: ExportRenderer(typeof(TableView), typeof(TableViewRenderer))]
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[assembly: ExportRenderer(typeof(NativeViewWrapper), typeof(NativeViewWrapperRenderer))]
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[assembly: ExportRenderer(typeof(WebView), typeof(WebViewRenderer))]
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[assembly: ExportRenderer(typeof(ImageButton), typeof(ImageButtonRenderer))]
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[assembly: ExportImageSourceHandler(typeof(FileImageSource), typeof(FileImageSourceHandler))]
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[assembly: ExportImageSourceHandler(typeof(StreamImageSource), typeof(StreamImageSourceHandler))]
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@ -0,0 +1,183 @@
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using System;
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using ElmSharp;
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using EButton = ElmSharp.Button;
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namespace Xamarin.Forms.Platform.Tizen
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{
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public class ImageButtonRenderer : ViewRenderer<ImageButton, Box>
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{
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public ImageButtonRenderer()
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{
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RegisterPropertyHandler(ImageButton.SourceProperty, UpdateSource);
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RegisterPropertyHandler(ImageButton.PaddingProperty, UpdatePadding);
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RegisterPropertyHandler(ImageButton.CornerRadiusProperty, UpdateRadius);
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RegisterPropertyHandler(ImageButton.BorderWidthProperty, UpdateBorderWidth);
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RegisterPropertyHandler(ImageButton.BorderColorProperty, UpdateBorderColor);
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RegisterPropertyHandler(ImageButton.AspectProperty, UpdateAspect);
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}
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Native.Image _image;
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EButton _button;
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Native.RoundRectangle _round;
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Native.BorderRectangle _border;
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protected override void OnElementChanged(ElementChangedEventArgs<ImageButton> e)
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{
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if (Control == null)
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{
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SetNativeControl(new Box(Forms.NativeParent));
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Control.SetLayoutCallback(OnLayout);
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_round = new Native.RoundRectangle(Forms.NativeParent);
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_round.Show();
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_border = new Native.BorderRectangle(Forms.NativeParent);
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_border.Show();
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_image = new Native.Image(Forms.NativeParent);
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_image.Show();
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_button = new EButton(Forms.NativeParent)
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{
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Style = "transparent"
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};
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_button.Clicked += OnClicked;
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_button.Pressed += OnPressed;
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_button.Released += OnReleased;
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_button.Show();
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Control.PackEnd(_round);
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Control.PackEnd(_image);
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Control.PackEnd(_border);
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Control.PackEnd(_button);
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}
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base.OnElementChanged(e);
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}
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protected virtual void UpdateAfterLoading()
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{
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_image.IsOpaque = Element.IsOpaque;
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}
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protected override ElmSharp.Size Measure(int availableWidth, int availableHeight)
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{
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var size = _image.Measure(availableHeight, availableHeight);
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size.Width += Forms.ConvertToScaledPixel(Element.Padding.HorizontalThickness);
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size.Height += Forms.ConvertToScaledPixel(Element.Padding.VerticalThickness);
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return size;
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}
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protected override void UpdateBackgroundColor(bool initialize)
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{
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_round.Color = Element.BackgroundColor.ToNative();
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}
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protected override void Dispose(bool disposing)
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{
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if (disposing)
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{
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if (_button != null)
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{
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_button.Clicked -= OnClicked;
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_button.Pressed -= OnPressed;
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_button.Released -= OnReleased;
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_button = null;
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}
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}
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base.Dispose(disposing);
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}
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void OnReleased(object sender, EventArgs e)
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{
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(Element as IButtonController)?.SendReleased();
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}
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void OnPressed(object sender, EventArgs e)
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{
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(Element as IButtonController)?.SendPressed();
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}
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void OnClicked(object sender, EventArgs e)
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{
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(Element as IButtonController)?.SendClicked();
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}
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void OnLayout()
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{
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var outter = Control.Geometry;
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var width = outter.Width - Forms.ConvertToScaledPixel(Element.Padding.HorizontalThickness);
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var height = outter.Height - Forms.ConvertToScaledPixel(Element.Padding.VerticalThickness);
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var left = outter.Left + Forms.ConvertToScaledPixel(Element.Padding.Left);
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var top = outter.Top + Forms.ConvertToScaledPixel(Element.Padding.Top);
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var imageBound = new Rect(left, top, width, height);
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_image.Geometry = imageBound;
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_button.Geometry = outter;
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_round.Draw(outter);
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_border.Draw(outter);
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}
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void UpdatePadding()
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{
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Control.MarkChanged();
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}
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async void UpdateSource()
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{
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ImageSource source = Element.Source;
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(Element as IImageController)?.SetIsLoading(true);
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if (Control != null)
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{
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bool success = await _image.LoadFromImageSourceAsync(source);
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if (!IsDisposed && success)
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{
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(Element as IVisualElementController)?.NativeSizeChanged();
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UpdateAfterLoading();
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}
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}
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if (!IsDisposed)
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((IImageController)Element).SetIsLoading(false);
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}
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void UpdateRadius(bool init)
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{
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if (Element.CornerRadius > 0)
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{
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_round.SetRadius(Forms.ConvertToScaledPixel(Element.CornerRadius));
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_border.SetRadius(Forms.ConvertToScaledPixel(Element.CornerRadius));
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}
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else
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{
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_round.SetRadius(0);
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_border.SetRadius(0);
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}
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if (!init)
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{
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_round.Draw();
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_border.Draw();
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}
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}
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void UpdateBorderWidth(bool init)
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{
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if (Element.BorderWidth > 0)
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{
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_border.BorderWidth = Forms.ConvertToScaledPixel(Element.BorderWidth);
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}
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else
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{
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_border.BorderWidth = 0;
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}
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if (!init)
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{
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_border.Draw();
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}
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}
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void UpdateBorderColor()
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{
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_border.Color = Element.BorderColor.ToNative();
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}
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void UpdateAspect()
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{
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_image.Aspect = Element.Aspect;
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}
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}
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}
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