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test(SampleChooserViewModel): Skia GenerateBitmap
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138 changes: 123 additions & 15 deletions
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.../SamplesApp.UnitTests.Shared/Controls/UITests/Presentation/SampleChooserViewModel.skia.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,43 +1,151 @@ | ||
| #if __WASM__ | ||
| using SampleControl.Entities; | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System; | ||
| using System.Linq; | ||
| using Uno.Disposables; | ||
| using System.Reflection; | ||
| using System.Runtime.InteropServices.WindowsRuntime; | ||
| using System.Text; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
| using Uno.UI; | ||
| using Uno.UI.Samples.Controls; | ||
| using Windows.UI; | ||
| using Windows.UI.Xaml; | ||
| using Windows.UI.Xaml.Controls; | ||
| using Uno.Foundation.Logging; | ||
| using Windows.UI.Xaml.Media; | ||
| using Windows.Graphics.Imaging; | ||
| using Windows.Storage; | ||
| using Windows.Graphics.Display; | ||
| using Uno.UI.Extensions; | ||
| using System.Collections.Immutable; | ||
|
|
||
| namespace SampleControl.Presentation | ||
| { | ||
|
|
||
| public partial class SampleChooserViewModel | ||
| { | ||
| public void PrintViewHierarchy(UIElement vg, StringBuilder sb, int level = 0) | ||
| public void PrintViewHierarchy(UIElement c, StringBuilder sb, int level = 0) | ||
| { | ||
|
|
||
| var children = c.GetChildren().ToImmutableArray(); | ||
| for (int i = 0; i < children.Length; i++) | ||
| { | ||
| var v = children[i]; | ||
| var vElement = (FrameworkElement)v; | ||
| var desc = string.Concat(Enumerable.Repeat(" |", level)) + $" [{i + 1}/{children.Length}] {v.GetType().Name}"; | ||
| if (vElement != null) | ||
| { | ||
| desc += $" -- ActualHeight:{vElement.ActualHeight}, ActualWidth:{vElement.ActualWidth}, Height:{vElement.Height}, Width:{vElement.Width}, DataContext:{vElement.DataContext?.GetType().FullName}"; | ||
| var vTextBlock = vElement as TextBlock; | ||
| if (vTextBlock != null) | ||
| { | ||
| desc += $", Text: {vTextBlock.Text}"; | ||
| } | ||
| } | ||
|
|
||
| sb.AppendLine(desc); | ||
| var childViewGroup = v as Control; | ||
| if (childViewGroup != null) | ||
| { | ||
| PrintViewHierarchy(childViewGroup, sb, level + 1); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| private async Task DumpOutputFolderName(CancellationToken ct, string folderName) | ||
| { | ||
| var fullPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), folderName); | ||
| var folder = await ApplicationData.Current.LocalFolder.CreateFolderAsync( | ||
| folderName, | ||
| CreationCollisionOption.OpenIfExists | ||
| ).AsTask(ct); | ||
|
|
||
| Console.WriteLine($"Output folder for tests: {fullPath}"); | ||
| if (this.Log().IsEnabled(LogLevel.Debug)) | ||
| { | ||
| this.Log().Debug($"Output folder for tests: {folder.Path}"); | ||
| } | ||
| } | ||
|
|
||
| private async Task GenerateBitmap(CancellationToken ct, string folderName, string fileName, IFrameworkElement content) | ||
| { | ||
|
|
||
| FrameworkElement element; | ||
|
|
||
| if (content.Parent is FrameworkElement parent) | ||
| { | ||
| element = parent; | ||
| } | ||
| else | ||
| { | ||
| element = (FrameworkElement)content; | ||
| } | ||
|
|
||
| if (element is null) | ||
| throw new Exception("Invalid element"); | ||
|
|
||
| (double oldMinWidth, double oldMinHeight, double oldWidth, double oldHeight) | ||
| = (element.MinWidth, element.MinHeight, element.Width, element.Height); | ||
| try | ||
| { | ||
| element.MinWidth = 400; | ||
| element.MinHeight = 400; | ||
| element.Width = 1024; | ||
| element.Height = 774; | ||
|
|
||
| var border = element.FindFirstChild<Border>(); | ||
|
|
||
| if (border != null) | ||
| { | ||
| border.Background = _screenshotBackground; | ||
| } | ||
|
|
||
| element.InvalidateMeasure(); | ||
| element.InvalidateArrange(); | ||
| await Task.Yield(); | ||
| element.Measure(new Windows.Foundation.Size(1024, 774)); | ||
| element.Arrange(new Windows.Foundation.Rect(0, 0, 1024, 774)); | ||
| await Task.Yield(); | ||
|
|
||
| var bmp = new Windows.UI.Xaml.Media.Imaging.RenderTargetBitmap(); | ||
|
|
||
| await bmp.RenderAsync(element).AsTask(ct); | ||
|
|
||
| var pixels = await bmp.GetPixelsAsync().AsTask(ct); | ||
|
|
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| var folder = await ApplicationData.Current.LocalFolder.CreateFolderAsync( | ||
| folderName, | ||
| CreationCollisionOption.OpenIfExists | ||
| ).AsTask(ct); | ||
|
|
||
| if (folder == null) | ||
| { | ||
| folder = await ApplicationData.Current.LocalFolder.CreateFolderAsync(folderName).AsTask(ct); | ||
| } | ||
|
|
||
| var file = await folder.CreateFileAsync( | ||
| fileName, | ||
| CreationCollisionOption.ReplaceExisting | ||
| ).AsTask(ct); | ||
|
|
||
| using (var fileStream = await file.OpenAsync(FileAccessMode.ReadWrite).AsTask(ct)) | ||
| { | ||
| var encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, fileStream).AsTask(ct); | ||
|
|
||
| encoder.SetPixelData( | ||
| BitmapPixelFormat.Bgra8, | ||
| BitmapAlphaMode.Ignore, | ||
| (uint)bmp.PixelWidth, | ||
| (uint)bmp.PixelHeight, | ||
| DisplayInformation.GetForCurrentView().RawDpiX, | ||
| DisplayInformation.GetForCurrentView().RawDpiY, | ||
| pixels.ToArray() | ||
| ); | ||
|
|
||
| await encoder.FlushAsync().AsTask(ct); | ||
| } | ||
| } | ||
| finally | ||
| { | ||
| (element.MinWidth, element.MinHeight, element.Width, element.Height) = | ||
| (oldMinWidth, oldMinHeight, oldWidth, oldHeight); | ||
| await Task.Yield(); | ||
| } | ||
|
|
||
|
|
||
| } | ||
| } | ||
| } | ||
| #endif |
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