ClemensFischer/XAML-Map-Control
1
0
Fork 0
mirror of https://github.com/ClemensFischer/XAML-Map-Control.git synced 2026-04-06 15:05:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

ImageLoader

Browse source
This commit is contained in:
ClemensFischer 2025-01-01 19:45:40 +01:00
parent 560f44a139
commit 069072ce34
6 changed files with 73 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

34
MapControl/WPF/ImageLoader.WPF.cs
View file

@ -54,36 +54,36 @@ namespace MapControl
internal static async Task<ImageSource> LoadMergedImageAsync(Uri uri1, Uri uri2, IProgress<double> progress)
{
WriteableBitmap mergedImage = null;
WriteableBitmap mergedBitmap = null;
var images = await LoadImagesAsync(uri1, uri2, progress);
if (images.Length == 2 &&
images[0] is BitmapSource image1 &&
images[1] is BitmapSource image2 &&
image1.PixelHeight == image2.PixelHeight &&
image1.Format == image2.Format &&
image1.Format.BitsPerPixel % 8 == 0)
images[0] is BitmapSource bitmap1 &&
images[1] is BitmapSource bitmap2 &&
bitmap1.PixelHeight == bitmap2.PixelHeight &&
bitmap1.Format == bitmap2.Format &&
bitmap1.Format.BitsPerPixel % 8 == 0)
{
var format = image1.Format;
var height = image1.PixelHeight;
var width1 = image1.PixelWidth;
var width2 = image2.PixelWidth;
var format = bitmap1.Format;
var height = bitmap1.PixelHeight;
var width1 = bitmap1.PixelWidth;
var width2 = bitmap2.PixelWidth;
var stride1 = width1 * format.BitsPerPixel / 8;
var stride2 = width2 * format.BitsPerPixel / 8;
var buffer1 = new byte[stride1 * height];
var buffer2 = new byte[stride2 * height];
image1.CopyPixels(buffer1, stride1, 0);
image2.CopyPixels(buffer2, stride2, 0);
bitmap1.CopyPixels(buffer1, stride1, 0);
bitmap2.CopyPixels(buffer2, stride2, 0);
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();
mergedBitmap = new WriteableBitmap(width1 + width2, height, 96, 96, format, null);
mergedBitmap.WritePixels(new Int32Rect(0, 0, width1, height), buffer1, stride1, 0);
mergedBitmap.WritePixels(new Int32Rect(width1, 0, width2, height), buffer2, stride2, 0);
mergedBitmap.Freeze();
}
return mergedImage;
return mergedBitmap;
}
}
}