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Updated MapsforgeTiles

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ClemensFischer 2026-02-12 18:57:19 +01:00
parent 215ea1428f
commit 08bb0fe8de
15 changed files with 224 additions and 241 deletions
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34
MapsforgeTiles/WPF/MapsforgeTileSource.cs Normal file
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using MapsforgeWrapper;
using System;
using System.Threading.Tasks;
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace MapControl.MapsforgeTiles
{
public class MapsforgeTileSource(string theme, int cacheCapacity = 200) : TileSource
{
private readonly TileRenderer renderer = new(theme, cacheCapacity);
public static void Initialize(string mapFilePath, float dpiScale)
{
TileRenderer.Initialize(mapFilePath, dpiScale);
}
public override Task<ImageSource> LoadImageAsync(int zoomLevel, int column, int row)
{
var pixels = renderer.RenderTile(zoomLevel, column, row);
ImageSource image = pixels != null ? CreateImage(pixels) : null;
return Task.FromResult(image);
}
private static BitmapSource CreateImage(int[] pixels)
{
var size = (int)Math.Sqrt(pixels.Length);
var image = BitmapSource.Create(size, size, 96d, 96d, PixelFormats.Bgra32, null, pixels, size * 4);
image.Freeze();
return image;
}
}
}