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Update MapScale.cs

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ClemensFischer 2024-05-26 15:55:36 +02:00
parent bbd4f6d6aa
commit 9980733c37
1 changed files with 31 additions and 27 deletions
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58
MapControl/Shared/MapScale.cs
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@ -7,25 +7,21 @@ using System.Globalization;
#if WPF
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows.Shapes;
#elif UWP
using Windows.Foundation;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Shapes;
#elif WINUI
using Windows.Foundation;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Data;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Media;
using Microsoft.UI.Xaml.Shapes;
#elif AVALONIA
using Avalonia.Data;
using Avalonia.Controls;
using Avalonia.Controls.Shapes;
using Avalonia.Media;
@ -40,18 +36,32 @@ namespace MapControl
/// <summary>
/// Draws a map scale overlay.
/// </summary>
public class MapScale : MapOverlay
public class MapScale : MapPanel
{
public static readonly DependencyProperty PaddingProperty =
DependencyPropertyHelper.Register<MapScale, Thickness>(nameof(Padding), new Thickness(4));
public static readonly DependencyProperty StrokeThicknessProperty =
DependencyPropertyHelper.Register<MapScale, double>(nameof(StrokeThickness), 1d);
public Thickness Padding
{
get => (Thickness)GetValue(PaddingProperty);
set => SetValue(PaddingProperty, value);
}
public double StrokeThickness
{
get => (double)GetValue(StrokeThicknessProperty);
set => SetValue(StrokeThicknessProperty, value);
}
private readonly Polyline line = new Polyline();
private readonly TextBlock label = new TextBlock
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
TextAlignment = TextAlignment.Center
HorizontalAlignment = HorizontalAlignment.Center,
VerticalAlignment = VerticalAlignment.Center
};
public MapScale()
@ -65,17 +75,12 @@ namespace MapControl
{
base.SetParentMap(map);
line.SetBinding(Shape.StrokeProperty, this.CreateBinding(nameof(Stroke)));
line.SetBinding(Shape.StrokeProperty, map.CreateBinding(nameof(Map.Foreground)));
line.SetBinding(Shape.StrokeThicknessProperty, this.CreateBinding(nameof(StrokeThickness)));
#if UWP || WINUI
label.SetBinding(TextBlock.ForegroundProperty, this.CreateBinding(nameof(Foreground)));
#endif
}
public Thickness Padding
{
get => (Thickness)GetValue(PaddingProperty);
set => SetValue(PaddingProperty, value);
#if UWP || WINUI
label.SetBinding(TextBlock.ForegroundProperty, map.CreateBinding(nameof(Map.Foreground)));
#endif
}
protected override Size MeasureOverride(Size availableSize)
@ -96,7 +101,7 @@ namespace MapControl
var size = new Size(
length * scale + StrokeThickness + Padding.Left + Padding.Right,
1.25 * FontSize + StrokeThickness + Padding.Top + Padding.Bottom);
1.5 * label.FontSize + 2 * StrokeThickness + Padding.Top + Padding.Bottom);
var x1 = Padding.Left + StrokeThickness / 2d;
var x2 = size.Width - Padding.Right - StrokeThickness / 2d;
@ -104,19 +109,18 @@ namespace MapControl
var y2 = size.Height - Padding.Bottom - StrokeThickness / 2d;
line.Points = new PointCollection
{
new Point(x1, y1),
new Point(x1, y2),
new Point(x2, y2),
new Point(x2, y1)
};
line.Measure(size);
{
new Point(x1, y1),
new Point(x1, y2),
new Point(x2, y2),
new Point(x2, y1)
};
label.Text = length >= 1000d
? string.Format(CultureInfo.InvariantCulture, "{0:F0} km", length / 1000d)
: string.Format(CultureInfo.InvariantCulture, "{0:F0} m", length);
label.Width = size.Width;
label.Height = size.Height;
line.Measure(size);
label.Measure(size);
return size;