ClemensFischer/XAML-Map-Control
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ImageLoader/WriteableBitmap

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ClemensFischer 2025-01-01 18:20:33 +01:00
parent 9a59b9b7cd
commit 565c363dca
5 changed files with 66 additions and 47 deletions
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14
MapControl/WPF/ImageLoader.WPF.cs
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@ -54,9 +54,9 @@ namespace MapControl
internal static async Task<ImageSource> LoadMergedImageAsync(Uri uri1, Uri uri2, IProgress<double> progress)
{
var images = await LoadImagesAsync(uri1, uri2, progress);
WriteableBitmap mergedImage = null;
WriteableBitmap image = null;
var images = await LoadImagesAsync(uri1, uri2, progress);
if (images.Length == 2 &&
images[0] is BitmapSource image1 &&
@ -77,13 +77,13 @@ namespace MapControl
image1.CopyPixels(buffer1, stride1, 0);
image2.CopyPixels(buffer2, stride2, 0);
image = new WriteableBitmap(width1 + width2, height, 96, 96, format, null);
image.WritePixels(new Int32Rect(0, 0, width1, height), buffer1, stride1, 0);
image.WritePixels(new Int32Rect(width1, 0, width2, height), buffer2, stride2, 0);
image.Freeze();
mergedImage = new WriteableBitmap(width1 + width2, height, 96, 96, format, null);
mergedImage.WritePixels(new Int32Rect(0, 0, width1, height), buffer1, stride1, 0);
mergedImage.WritePixels(new Int32Rect(width1, 0, width2, height), buffer2, stride2, 0);
mergedImage.Freeze();
}
return image;
return mergedImage;
}
}
}