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Enable Windows Image device tests (#20167)
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26 changes: 26 additions & 0 deletions
26
src/Core/tests/DeviceTests/Handlers/Image/ImageHandlerTests.Windows.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| using System; | ||
| using Microsoft.UI.Xaml.Media.Imaging; | ||
| using WImage = Microsoft.UI.Xaml.Controls.Image; | ||
| using WStretch = Microsoft.UI.Xaml.Media.Stretch; | ||
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| namespace Microsoft.Maui.DeviceTests | ||
| { | ||
| public partial class ImageHandlerTests<TImageHandler, TStub> | ||
| { | ||
| WImage GetPlatformImageView(IImageHandler imageHandler) => | ||
| imageHandler.PlatformView; | ||
|
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| bool GetNativeIsAnimationPlaying(IImageHandler imageHandler) => | ||
| GetPlatformImageView(imageHandler).Source is BitmapImage bitmapImage && bitmapImage.IsPlaying; | ||
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| Aspect GetNativeAspect(IImageHandler imageHandler) => | ||
| GetPlatformImageView(imageHandler).Stretch switch | ||
| { | ||
| WStretch.Uniform => Aspect.AspectFit, | ||
| WStretch.UniformToFill => Aspect.AspectFill, | ||
| WStretch.Fill => Aspect.Fill, | ||
| WStretch.None => Aspect.Center, | ||
| _ => throw new ArgumentOutOfRangeException("Stretch") | ||
| }; | ||
| } | ||
| } |
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94 changes: 94 additions & 0 deletions
94
src/Core/tests/DeviceTests/Services/ImageSource/BaseImageSourceServiceTests.Windows.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Runtime.InteropServices.WindowsRuntime; | ||
| using System.Text; | ||
| using Microsoft.Maui.Devices; | ||
| using Microsoft.Maui.Graphics; | ||
| using Microsoft.Maui.Storage; | ||
| using Microsoft.UI.Xaml.Media.Imaging; | ||
| using Windows.Graphics.Imaging; | ||
| using Xunit; | ||
| using WColor = Windows.UI.Color; | ||
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| namespace Microsoft.Maui.DeviceTests | ||
| { | ||
| public abstract partial class BaseImageSourceServiceTests | ||
| { | ||
| public static string CreateBitmapFile(int width, int height, Color color, string filename = null) => | ||
| CreateBitmapFile(width, height, color.ToWindowsColor(), filename); | ||
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| public static string CreateBitmapFile(int width, int height, WColor color, string filename = null) | ||
| { | ||
| filename ??= Guid.NewGuid().ToString("N") + ".png"; | ||
| if (!Path.IsPathRooted(filename)) | ||
| { | ||
| filename = Path.Combine(FileSystem.CacheDirectory, Guid.NewGuid().ToString("N"), filename); | ||
| } | ||
| var dir = Path.GetDirectoryName(filename); | ||
| Directory.CreateDirectory(dir); | ||
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| using var src = CreateBitmapStream(width, height, color); | ||
| using var dst = File.Create(filename); | ||
| src.CopyTo(dst); | ||
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| return filename; | ||
| } | ||
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| public static Stream CreateBitmapStream(int width, int height, Color color) => | ||
| CreateBitmapStream(width, height, color.ToWindowsColor()); | ||
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| public static Stream CreateBitmapStream(int width, int height, WColor color) | ||
| { | ||
| var bitmap = CreateBitmap(width, height, color); | ||
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| var stream = new MemoryStream(); | ||
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| var encoder = BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream.AsRandomAccessStream()).GetAwaiter().GetResult(); | ||
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| encoder.SetPixelData( | ||
| BitmapPixelFormat.Bgra8, | ||
| BitmapAlphaMode.Ignore, | ||
| (uint)bitmap.PixelWidth, | ||
| (uint)bitmap.PixelHeight, | ||
| 96, | ||
| 96, | ||
| bitmap.PixelBuffer.ToArray()); | ||
|
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| stream.Position = 0; | ||
|
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| return stream; | ||
| } | ||
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| public static WriteableBitmap CreateBitmap(int width, int height, Color color) => | ||
| CreateBitmap(width, height, color.ToWindowsColor()); | ||
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| public static WriteableBitmap CreateBitmap(int width, int height, WColor color) | ||
| { | ||
| var bitmap = new WriteableBitmap(width, height); | ||
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| using (var stream = bitmap.PixelBuffer.AsStream()) | ||
| { | ||
| var pixels = new byte[width * height * 4]; | ||
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| for (var y = 0; y < height; y++) | ||
| { | ||
| for (var x = 0; x < width; x++) | ||
| { | ||
| var index = (y * width + x) * 4; | ||
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| pixels[index + 0] = color.B; | ||
| pixels[index + 1] = color.G; | ||
| pixels[index + 2] = color.R; | ||
| pixels[index + 3] = color.A; | ||
| } | ||
| } | ||
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| stream.Write(pixels, 0, pixels.Length); | ||
| } | ||
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| bitmap.Invalidate(); | ||
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| return bitmap; | ||
| } | ||
| } | ||
| } |
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