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Update ImageLoader.WinUI.cs

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This commit is contained in:
ClemensFischer 2023-08-17 19:55:37 +02:00
parent bd9e7866f5
commit d2fc65f133
1 changed files with 9 additions and 4 deletions
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13
MapControl/WinUI/ImageLoader.WinUI.cs
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@ -22,6 +22,8 @@ namespace MapControl
{
public static partial class ImageLoader
{
private static readonly BitmapTransform defaultBitmapTransform = new BitmapTransform();
public static async Task<ImageSource> LoadImageAsync(IRandomAccessStream stream)
{
// WinUI BitmapImage produces visual artifacts with Bing Maps Aerial (or all JPEG?)
@ -30,7 +32,12 @@ namespace MapControl
var image = new SoftwareBitmapSource();
var decoder = await BitmapDecoder.CreateAsync(stream);
using (var bitmap = await decoder.GetSoftwareBitmapAsync(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied))
using (var bitmap = await decoder.GetSoftwareBitmapAsync(
BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Premultiplied,
defaultBitmapTransform,
ExifOrientationMode.IgnoreExifOrientation,
ColorManagementMode.DoNotColorManage))
{
await image.SetBitmapAsync(bitmap);
}
@ -50,8 +57,6 @@ namespace MapControl
{
using (var stream = new MemoryStream(buffer))
{
// Method call must be awaited before closing the stream.
//
return await LoadImageAsync(stream);
}
}
@ -121,7 +126,7 @@ namespace MapControl
var pixelData = await decoder.GetPixelDataAsync(
BitmapPixelFormat.Bgra8,
BitmapAlphaMode.Straight,
new BitmapTransform(),
defaultBitmapTransform,
ExifOrientationMode.IgnoreExifOrientation,
ColorManagementMode.DoNotColorManage);