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Updated MapsforgeTileSource

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ClemensFischer 2026-02-19 17:20:09 +01:00
parent a1df4d39bb
commit 266f44a0fd
5 changed files with 83 additions and 57 deletions
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31
MapsforgeTiles/Avalonia/MapsforgeTileSource.Avalonia.cs
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@ -1,24 +1,43 @@
using Avalonia;
using Avalonia.Media;
using Avalonia.Media.Imaging;
using Avalonia.Platform;
using Microsoft.Extensions.Logging;
using System;
using System.Threading.Tasks;
namespace MapControl.MapsforgeTiles
{
public partial class MapsforgeTileSource
{
private static Bitmap CreateImage(int[] pixels)
public override async Task<IImage> LoadImageAsync(int zoomLevel, int column, int row)
{
var size = (int)Math.Sqrt(pixels.Length);
Bitmap bitmap = null;
unsafe
try
{
fixed (int* ptr = pixels)
var pixels = tileRenderer.RenderTile(zoomLevel, column, row);
if (pixels != null)
{
return new Bitmap(PixelFormat.Bgra8888, AlphaFormat.Opaque, (nint)ptr,
new PixelSize(size, size), new Vector(96d, 96d), size * 4);
var size = TileRenderer.TileSize;
unsafe
{
fixed (int* ptr = pixels)
{
return new Bitmap(PixelFormat.Bgra8888, AlphaFormat.Opaque, (nint)ptr,
new PixelSize(size, size), new Vector(96d, 96d), size * 4);
}
}
}
}
catch (Exception ex)
{
Logger?.LogError(ex, "LoadImageAsync");
}
return bitmap;
}
}
}