ClemensFischer/XAML-Map-Control
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Update map grids

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ClemensFischer 2026-02-08 17:18:32 +01:00
parent 80252cbfd0
commit a7e7442d44
6 changed files with 113 additions and 52 deletions
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37
MapControl/Shared/MetricGrid.cs
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@ -4,11 +4,14 @@ using System.Collections.Generic;
using System.Windows;
using System.Windows.Media;
#elif UWP
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media;
#elif WINUI
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Media;
#elif AVALONIA
using Avalonia;
using Avalonia.Layout;
using PathFigureCollection = Avalonia.Media.PathFigures;
#endif
@ -43,6 +46,10 @@ namespace MapControl
var p1 = ParentMap.ViewTransform.MapToView(new Point(x, mapRect.Y));
var p2 = ParentMap.ViewTransform.MapToView(new Point(x, mapRect.Y + mapRect.Height));
figures.Add(CreateLineFigure(p1, p2));
var text = string.Format("{0:F0}", x);
labels.Add(new Label(text, p1.X, p1.Y, 0d, HorizontalAlignment.Left, VerticalAlignment.Bottom));
labels.Add(new Label(text, p2.X, p2.Y, 0d, HorizontalAlignment.Left, VerticalAlignment.Top));
}
for (var y = minY; y <= mapRect.Y + mapRect.Height; y += lineDistance)
@ -51,33 +58,9 @@ namespace MapControl
var p2 = ParentMap.ViewTransform.MapToView(new Point(mapRect.X + mapRect.Width, y));
figures.Add(CreateLineFigure(p1, p2));
for (var x = minX; x <= mapRect.X + mapRect.Width; x += lineDistance)
{
AddLabel(labels, x, y);
}
}
}
private void AddLabel(List<Label> labels, double x, double y)
{
var position = ParentMap.ViewTransform.MapToView(new Point(x, y));
if (ParentMap.InsideViewBounds(position))
{
var rotation = ParentMap.ViewTransform.Rotation;
if (rotation < -90d)
{
rotation += 180d;
}
else if (rotation > 90d)
{
rotation -= 180d;
}
var text = string.Format("{0:F0}\n{1:F0}", y, x);
labels.Add(new Label(text, position.X, position.Y, rotation));
var text = string.Format("{0:F0}", y);
labels.Add(new Label(text, p1.X, p1.Y, 0d, HorizontalAlignment.Left, VerticalAlignment.Bottom));
labels.Add(new Label(text, p2.X, p2.Y, 0d, HorizontalAlignment.Right, VerticalAlignment.Bottom));
}
}
}