1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using Microsoft.UI.Xaml;
 6  using Microsoft.UI.Xaml.Media;
 7  using Windows.UI;
 8  
 9  namespace Microsoft.CmdPal.UI.ViewModels.Services;
10  
11  /// <summary>
12  /// Represents a snapshot of theme-related visual settings, including accent color, theme preference, and background
13  /// image configuration, for use in rendering the Command Palette UI.
14  /// </summary>
15  public sealed class ThemeSnapshot
16  {
17      /// <summary>
18      /// Gets the accent tint color used by the Command Palette visuals.
19      /// </summary>
20      public required Color Tint { get; init; }
21  
22      /// <summary>
23      /// Gets the accent tint color used by the Command Palette visuals.
24      /// </summary>
25      public required float TintIntensity { get; init; }
26  
27      /// <summary>
28      /// Gets the configured application theme preference.
29      /// </summary>
30      public required ElementTheme Theme { get; init; }
31  
32      /// <summary>
33      /// Gets the image source to render as the background, if any.
34      /// </summary>
35      /// <remarks>
36      /// Returns <see langword="null"/> when no background image is configured.
37      /// </remarks>
38      public required ImageSource? BackgroundImageSource { get; init; }
39  
40      /// <summary>
41      /// Gets the stretch mode used to lay out the background image.
42      /// </summary>
43      public required Stretch BackgroundImageStretch { get; init; }
44  
45      /// <summary>
46      /// Gets the opacity applied to the background image.
47      /// </summary>
48      /// <value>
49      /// A value in the range [0, 1], where 0 is fully transparent and 1 is fully opaque.
50      /// </value>
51      public required double BackgroundImageOpacity { get; init; }
52  
53      /// <summary>
54      /// Gets the effective acrylic backdrop parameters based on current settings and theme.
55      /// </summary>
56      /// <returns>The resolved <c>AcrylicBackdropParameters</c> to apply.</returns>
57      public required AcrylicBackdropParameters BackdropParameters { get; init; }
58  
59      public required int BlurAmount { get; init; }
60  
61      public required float BackgroundBrightness { get; init; }
62  }