Added PersonPicture

2024-05-09 19:09:18 +01:00
parent ee7083d009
commit 711353c8e9
19 changed files with 1108 additions and 0 deletions
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class BitmapIcon : FluentAvalonia.UI.Controls.BitmapIcon
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class BitmapIconSource : FluentAvalonia.UI.Controls.BitmapIconSource
+{
+    
+}
@@ -0,0 +1,71 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Avalonia.LogicalTree;
+using Avalonia.Metadata;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class ContentIcon : FluentAvalonia.UI.Controls.FAIconElement
+{
+    public static readonly StyledProperty<object?> ContentProperty =
+        AvaloniaProperty.Register<ContentIcon, object?>("Content");
+
+    public static readonly StyledProperty<IDataTemplate?> ContentTemplateProperty =
+        AvaloniaProperty.Register<ContentIcon, IDataTemplate?>("ContentTemplate");
+
+    private ContentControl? content;
+
+    [Content]
+    public object? Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
+    public IDataTemplate? IconTemplate
+    {
+        get => GetValue(ContentTemplateProperty);
+        set => SetValue(ContentTemplateProperty, value);
+    }
+
+    protected override Size MeasureOverride(Size availableSize)
+    {
+        if (content == null)
+        {
+            CreateContent();
+        }
+
+        return base.MeasureOverride(availableSize);
+
+    }
+
+    protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs args)
+    {
+        if (VisualChildren.Count > 0)
+        {
+            ((ILogical)VisualChildren[0]).NotifyAttachedToLogicalTree(args);
+        }
+
+        base.OnAttachedToLogicalTree(args);
+    }
+
+    protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs args)
+    {
+        if (VisualChildren.Count > 0)
+        {
+            ((ILogical)VisualChildren[0]).NotifyDetachedFromLogicalTree(args);
+        }
+
+        base.OnDetachedFromLogicalTree(args);
+    }
+    private void CreateContent()
+    {
+        content = new ContentControl();
+
+        content.Bind(ContentControl.ContentProperty, this.GetBindingObservable(ContentProperty));
+        content.Bind(ContentControl.ContentTemplateProperty, this.GetBindingObservable(ContentTemplateProperty));
+
+        LogicalChildren.Add(content);
+        VisualChildren.Add(content);
+    }
+}
@@ -0,0 +1,26 @@
+using Avalonia;
+using Avalonia.Controls.Templates;
+using Avalonia.Metadata;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class ContentIconSource : FluentAvalonia.UI.Controls.IconSource
+{
+    public static readonly StyledProperty<object?> ContentProperty =
+        AvaloniaProperty.Register<ContentIconSource, object?>("Content");
+
+    public static readonly StyledProperty<IDataTemplate?> ContentTemplateProperty =
+        AvaloniaProperty.Register<ContentIconSource, IDataTemplate?>("ContentTemplate");
+
+    [Content]
+    public object? Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
+    public IDataTemplate? IconTemplate
+    {
+        get => GetValue(ContentTemplateProperty);
+        set => SetValue(ContentTemplateProperty, value);
+    }
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class FAIconElement : FluentAvalonia.UI.Controls.FAIconElement
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class FAPathIcon : FluentAvalonia.UI.Controls.FAPathIcon
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class FontIcon : FluentAvalonia.UI.Controls.FontIcon
+{
+
+}
@@ -0,0 +1,8 @@
+namespace Kromek.UI.Avalonia.Controls
+{
+
+    public class FontIconSource : FluentAvalonia.UI.Controls.FontIconSource
+    {
+
+    }
+}
@@ -0,0 +1,35 @@
+using System.Reflection;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class IconHelper
+{
+    private static MethodInfo? invoker;
+
+    public static FluentAvalonia.UI.Controls.FAIconElement? CreateIconElement(FluentAvalonia.UI.Controls.IconSource source)
+    {
+        if (source is ContentIconSource contentIconSource)
+        {
+            ContentIcon contentIcon = new()
+            {
+                [!ContentIcon.ContentProperty] = contentIconSource[!ContentIconSource.ContentProperty],
+                [!ContentIcon.ContentTemplateProperty] = contentIconSource[!ContentIconSource.ContentTemplateProperty],
+            };
+
+            return contentIcon;
+        }
+        else
+        {
+            if (invoker == null)
+            {
+                Type? iconHelpersType = Type.GetType("FluentAvalonia.UI.Controls.IconHelpers,FluentAvalonia");
+                if (iconHelpersType?.GetMethod("CreateFromUnknown", BindingFlags.Public | BindingFlags.Static) is MethodInfo createFromUnknown)
+                {
+                    invoker = createFromUnknown;
+                }
+            }
+
+            return (FluentAvalonia.UI.Controls.FAIconElement?)invoker?.Invoke(null, new object[] { source });
+        }
+    }
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class ImageIcon : FluentAvalonia.UI.Controls.ImageIcon
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class ImageIconSource : FluentAvalonia.UI.Controls.ImageIconSource
+{
+
+}
@@ -0,0 +1,12 @@
+using Avalonia.Controls.Templates;
+using Avalonia.Controls;
+using Avalonia.LogicalTree;
+using Avalonia.Metadata;
+using Avalonia;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class PathIconSource : FluentAvalonia.UI.Controls.PathIconSource
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class SymbolIcon : FluentAvalonia.UI.Controls.SymbolIcon
+{
+
+}
@@ -0,0 +1,6 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class SymbolIconSource : FluentAvalonia.UI.Controls.SymbolIconSource
+{
+
+}
@@ -0,0 +1,75 @@
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:controls="using:Toolkit.UI.Controls.Avalonia">
+    <x:Double x:Key="PersonPictureEllipseBadgeStrokeOpacity">1</x:Double>
+    <x:Double x:Key="PersonPictureEllipseBadgeImageSourceStrokeOpacity">1</x:Double>
+    <x:Double x:Key="PersonPictureEllipseStrokeThickness">1</x:Double>
+    <x:Double x:Key="PersonPictureEllipseBadgeStrokeThickness">2</x:Double>
+    <Thickness x:Key="PersonPictureBadgeGridMargin">0,-4,-4,0</Thickness>
+    <ControlTheme x:Key="{x:Type controls:PersonPicture}" TargetType="controls:PersonPicture">
+        <Setter Property="Foreground" Value="{DynamicResource PersonPictureForegroundThemeBrush}" />
+        <Setter Property="Width" Value="100" />
+        <Setter Property="Height" Value="100" />
+        <Setter Property="FontFamily" Value="{DynamicResource ContentControlThemeFontFamily}" />
+        <Setter Property="FontWeight" Value="350" />
+        <Setter Property="IsTabStop" Value="False" />
+        <Setter Property="Template">
+            <ControlTemplate>
+                <Grid x:Name="RootGrid">
+                    <Ellipse
+                        Width="{TemplateBinding Width}"
+                        Height="{TemplateBinding Height}"
+                        Fill="{DynamicResource PersonPictureEllipseFillThemeBrush}"
+                        Stroke="{DynamicResource PersonPictureEllipseFillStrokeBrush}"
+                        StrokeThickness="{DynamicResource PersonPictureEllipseStrokeThickness}" />
+                    <TextBlock
+                        x:Name="InitialsTextBlock"
+                        HorizontalAlignment="Center"
+                        VerticalAlignment="Center"
+                        FontFamily="{TemplateBinding FontFamily}"
+                        FontSize="40"
+                        FontWeight="{TemplateBinding FontWeight}"
+                        Foreground="{TemplateBinding Foreground}"
+                        Text="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=TemplateSettings.ActualInitials}" />
+                    <Ellipse
+                        x:Name="PersonPictureEllipse"
+                        Width="{TemplateBinding Width}"
+                        Height="{TemplateBinding Height}"
+                        FlowDirection="LeftToRight" />
+                    <Grid
+                        x:Name="BadgeGrid"
+                        Margin="{DynamicResource PersonPictureBadgeGridMargin}"
+                        HorizontalAlignment="Right"
+                        VerticalAlignment="Top"
+                        IsVisible="False">
+                        <Ellipse
+                            x:Name="BadgingBackgroundEllipse"
+                            Fill="{DynamicResource PersonPictureEllipseBadgeFillThemeBrush}"
+                            Opacity="{DynamicResource PersonPictureEllipseBadgeStrokeOpacity}"
+                            Stroke="{DynamicResource PersonPictureEllipseBadgeStrokeThemeBrush}"
+                            StrokeThickness="{DynamicResource PersonPictureEllipseBadgeStrokeThickness}" />
+                        <Ellipse
+                            x:Name="BadgingEllipse"
+                            FlowDirection="LeftToRight"
+                            Opacity="0" />
+                        <TextBlock
+                            x:Name="BadgeNumberTextBlock"
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            FontFamily="{TemplateBinding FontFamily}"
+                            FontWeight="{TemplateBinding FontWeight}"
+                            Foreground="{DynamicResource PersonPictureEllipseBadgeForegroundThemeBrush}" />
+                        <controls:FontIcon
+                            x:Name="BadgeGlyphIcon"
+                            HorizontalAlignment="Center"
+                            VerticalAlignment="Center"
+                            FontFamily="{DynamicResource SymbolThemeFontFamily}"
+                            FontWeight="{TemplateBinding FontWeight}"
+                            Foreground="{DynamicResource PersonPictureEllipseBadgeForegroundThemeBrush}" />
+                    </Grid>
+                </Grid>
+            </ControlTemplate>
+        </Setter>
+    </ControlTheme>
+</ResourceDictionary>
@@ -0,0 +1,379 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
+using Avalonia.Controls.Shapes;
+using Avalonia.Media;
+using Avalonia.Media.Imaging;
+using Kromek.UI.Avalonia.Controls;
+using System;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class PersonPicture : TemplatedControl
+{
+    public static readonly StyledProperty<string> BadgeGlyphProperty =
+        AvaloniaProperty.Register<PersonPicture, string>(nameof(BadgeGlyph));
+
+    public static readonly StyledProperty<IImage> BadgeImageSourceProperty =
+        AvaloniaProperty.Register<PersonPicture, IImage>(nameof(BadgeImageSource));
+
+    public static readonly StyledProperty<int> BadgeNumberProperty =
+        AvaloniaProperty.Register<PersonPicture, int>(nameof(BadgeNumber));
+
+    public static readonly StyledProperty<string> BadgeTextProperty =
+        AvaloniaProperty.Register<PersonPicture, string>(nameof(BadgeText));
+
+    public static readonly StyledProperty<string> DisplayNameProperty =
+        AvaloniaProperty.Register<PersonPicture, string>(nameof(DisplayName));
+
+    public static readonly StyledProperty<string> InitialsProperty =
+        AvaloniaProperty.Register<PersonPicture, string>(nameof(Initials));
+
+    public static readonly StyledProperty<bool> IsGroupProperty =
+        AvaloniaProperty.Register<PersonPicture, bool>(nameof(IsGroup));
+
+    public static readonly StyledProperty<IImage> ProfilePictureProperty =
+        AvaloniaProperty.Register<PersonPicture, IImage>(nameof(ProfilePicture));
+
+    private static readonly StyledProperty<PersonPictureTemplateSettings> TemplateSettingsProperty =
+        AvaloniaProperty.Register<PersonPicture, PersonPictureTemplateSettings>(nameof(TemplateSettings));
+
+    private FontIcon badgeGlyphIcon;
+    private ImageBrush badgeImageBrush;
+    private TextBlock badgeNumberTextBlock;
+    private Ellipse badgingBackgroundEllipse;
+    private Ellipse badgingEllipse;
+    private string displayNameInitials;
+    private TextBlock initialsTextBlock;
+
+    public PersonPicture()
+    {
+        SetValue(TemplateSettingsProperty, new PersonPictureTemplateSettings());
+        SizeChanged += OnSizeChanged;
+    }
+
+    public string BadgeGlyph
+    {
+        get => GetValue(BadgeGlyphProperty);
+        set => SetValue(BadgeGlyphProperty, value);
+    }
+
+    public IImage BadgeImageSource
+    {
+        get => GetValue(BadgeImageSourceProperty);
+        set => SetValue(BadgeImageSourceProperty, value);
+    }
+
+    public int BadgeNumber
+    {
+        get => GetValue(BadgeNumberProperty);
+        set => SetValue(BadgeNumberProperty, value);
+    }
+
+    public string BadgeText
+    {
+        get => GetValue(BadgeTextProperty);
+        set => SetValue(BadgeTextProperty, value);
+    }
+
+    public string DisplayName
+    {
+        get => GetValue(DisplayNameProperty);
+        set => SetValue(DisplayNameProperty, value);
+    }
+
+    public string Initials
+    {
+        get => GetValue(InitialsProperty);
+        set => SetValue(InitialsProperty, value);
+    }
+
+    public bool IsGroup
+    {
+        get => GetValue(IsGroupProperty);
+        set => SetValue(IsGroupProperty, value);
+    }
+
+    public IImage ProfilePicture
+    {
+        get => GetValue(ProfilePictureProperty);
+        set => SetValue(ProfilePictureProperty, value);
+    }
+
+    public PersonPictureTemplateSettings TemplateSettings
+    {
+        get => GetValue(TemplateSettingsProperty);
+        set => SetValue(TemplateSettingsProperty, value);
+    }
+
+    protected override void OnApplyTemplate(TemplateAppliedEventArgs args)
+    {
+        base.OnApplyTemplate(args);
+
+        initialsTextBlock = args.NameScope.Get<TextBlock>("InitialsTextBlock");
+
+        badgeNumberTextBlock = args.NameScope.Get<TextBlock>("BadgeNumberTextBlock");
+        badgeGlyphIcon = args.NameScope.Get<FontIcon>("BadgeGlyphIcon");
+        badgingEllipse = args.NameScope.Get<Ellipse>("BadgingEllipse");
+        badgingBackgroundEllipse = args.NameScope.Get<Ellipse>("BadgingBackgroundEllipse");
+
+        UpdateBadge();
+        UpdateIfReady();
+    }
+
+    protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+    {
+        base.OnPropertyChanged(change);
+
+        if (change.Property == BadgeGlyphProperty)
+        {
+            UpdateBadge();
+        }
+
+        if (change.Property == BadgeImageSourceProperty)
+        {
+            UpdateBadge();
+        }
+
+        if (change.Property == BadgeNumberProperty)
+        {
+            UpdateBadge();
+        }
+
+        if (change.Property == DisplayNameProperty)
+        {
+            UpdateDisplayName();
+        }
+
+        if (change.Property == InitialsProperty)
+        {
+            UpdateIfReady();
+        }
+
+        if (change.Property == IsGroupProperty)
+        {
+            UpdateIfReady();
+        }
+
+        if (change.Property == ProfilePictureProperty)
+        {
+
+        }
+    }
+
+    private IImage? GetImageSource()
+    {
+        if (ProfilePicture != null)
+        {
+            return ProfilePicture;
+        }
+
+        return null;
+    }
+
+    private string GetInitials()
+    {
+        if (!string.IsNullOrEmpty(Initials))
+        {
+            return Initials;
+        }
+        else if (!string.IsNullOrEmpty(displayNameInitials))
+        {
+            return displayNameInitials;
+        }
+
+        return "";
+    }
+
+    private void OnSizeChanged(object? sender, SizeChangedEventArgs args)
+    {
+        {
+            bool widthChanged = args.NewSize.Width != args.PreviousSize.Width;
+            bool heightChanged = args.NewSize.Height != args.PreviousSize.Height;
+            double newSize;
+
+            if (widthChanged && heightChanged)
+            {
+                newSize = args.NewSize.Width < args.NewSize.Height ? args.NewSize.Width : args.NewSize.Height;
+            }
+            else if (widthChanged)
+            {
+                newSize = args.NewSize.Width;
+            }
+            else if (heightChanged)
+            {
+                newSize = args.NewSize.Height;
+            }
+            else
+            {
+                return;
+            }
+
+            Height = newSize;
+            Width = newSize;
+        }
+
+        double fontSize = Math.Max(1.0, Width * .42);
+
+        if (initialsTextBlock is not null)
+        {
+            initialsTextBlock.FontSize = fontSize;
+        }
+
+        if (badgingEllipse is not null && badgingBackgroundEllipse is not null && badgeNumberTextBlock is not null && badgeGlyphIcon is not null)
+        {
+            double newSize = args.NewSize.Width < args.NewSize.Height ? args.NewSize.Width : args.NewSize.Height;
+            badgingEllipse.Height = newSize * 0.5;
+            badgingEllipse.Width = newSize * 0.5;
+            badgingBackgroundEllipse.Height = newSize * 0.5;
+            badgingBackgroundEllipse.Width = newSize * 0.5;
+            badgeNumberTextBlock.FontSize = Math.Max(1.0, badgingEllipse.Height * 0.6);
+            badgeGlyphIcon.FontSize = Math.Max(1.0, badgingEllipse.Height * 0.6);
+        }
+    }
+
+    private void UpdateBadge()
+    {
+        if (BadgeImageSource != null)
+        {
+            UpdateBadgeImageSource();
+        }
+        else if (BadgeNumber != 0)
+        {
+            UpdateBadgeNumber();
+        }
+        else if (!string.IsNullOrEmpty(BadgeGlyph))
+        {
+            UpdateBadgeGlyph();
+        }
+        else
+        {
+            PseudoClasses.Set(":NoBadge", true);
+            if (badgeNumberTextBlock != null)
+            {
+                badgeNumberTextBlock.Text = "";
+            }
+
+            if (badgeGlyphIcon != null)
+            {
+                badgeGlyphIcon.Glyph = "";
+            }
+        }
+    }
+
+    private void UpdateBadgeGlyph()
+    {
+        if (badgingEllipse == null || badgeGlyphIcon == null)
+        {
+            return;
+        }
+
+        if (string.IsNullOrEmpty(BadgeGlyph))
+        {
+            PseudoClasses.Set(":NoBadge", true);
+            badgeGlyphIcon.Glyph = "";
+            return;
+        }
+
+        PseudoClasses.Set(":BadgeWithoutImageSource", true);
+        badgeGlyphIcon.Glyph = BadgeGlyph;
+    }
+
+    private void UpdateBadgeImageSource()
+    {
+        if (badgingEllipse == null || badgeImageBrush == null)
+        {
+            return;
+        }
+
+        badgeImageBrush.Source = (Bitmap?)BadgeImageSource;
+
+        if (BadgeImageSource != null)
+        {
+            PseudoClasses.Set(":BadgeWithImageSource", true);
+        }
+        else
+        {
+            PseudoClasses.Set(":NoBadge", true);
+        }
+    }
+    private void UpdateBadgeNumber()
+    {
+        if (badgingEllipse == null || badgeNumberTextBlock == null)
+        {
+            return;
+        }
+
+        if (BadgeNumber <= 0)
+        {
+            PseudoClasses.Set(":NoBadge", true);
+            badgeNumberTextBlock.Text = "";
+
+            return;
+        }
+
+        PseudoClasses.Set(":BadgeWithoutImageSource", true);
+        if (BadgeNumber <= 99)
+        {
+            badgeNumberTextBlock.Text = BadgeNumber.ToString();
+        }
+        else
+        {
+            badgeNumberTextBlock.Text = "99+";
+        }
+    }
+    private void UpdateDisplayName()
+    {
+        displayNameInitials = PersonPictureInitialsGenerator.InitialsFromDisplayName(DisplayName);
+        UpdateIfReady();
+    }
+
+    private void UpdateIfReady()
+    {
+        string initials = GetInitials();
+        IImage? imageSource = GetImageSource();
+
+        PersonPictureTemplateSettings templateSettings = TemplateSettings;
+        templateSettings.ActualInitials = initials;
+
+        if (imageSource is not null)
+        {
+            ImageBrush? imageBrush = templateSettings.ActualImageBrush;
+            if (imageBrush == null)
+            {
+                imageBrush = new ImageBrush
+                {
+                    Stretch = Stretch.UniformToFill
+                };
+
+                templateSettings.ActualImageBrush = imageBrush;
+            }
+
+            imageBrush.Source = (Bitmap?)imageSource;
+        }
+        else
+        {
+            templateSettings.ActualImageBrush = null;
+        }
+
+        if (IsGroup)
+        {
+            PseudoClasses.Set(":Group", true);
+        }
+        else
+        {
+            if (imageSource != null)
+            {
+                PseudoClasses.Set(":Photo", true);
+            }
+            else if (!string.IsNullOrEmpty(initials))
+            {
+                PseudoClasses.Set(":Initials", true);
+            }
+            else
+            {
+                PseudoClasses.Set(":NoPhotoOrInitials", true);
+            }
+        }
+    }
+}
@@ -0,0 +1,9 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+internal enum PersonPictureCharacterType
+{
+    Other = 0,
+    Standard = 1,
+    Symbolic = 2,
+    Glyph = 3
+}
@@ -0,0 +1,413 @@
+namespace Toolkit.UI.Controls.Avalonia;
+
+internal class PersonPictureInitialsGenerator
+{
+    public static PersonPictureCharacterType GetCharacterType(string str)
+    {
+
+        PersonPictureCharacterType result = PersonPictureCharacterType.Other;
+        for (int i = 0; i < 3; i++)
+        {
+            if ((i >= str.Length) || (str[i] == '\0') || (str[i] == 0xFEFF))
+            {
+                break;
+            }
+
+            char character = str[i];
+            PersonPictureCharacterType evaluationResult = GetCharacterType(character);
+
+            switch (evaluationResult)
+            {
+                case PersonPictureCharacterType.Glyph:
+                    result = PersonPictureCharacterType.Glyph;
+                    break;
+                case PersonPictureCharacterType.Symbolic:
+                    if (result != PersonPictureCharacterType.Glyph)
+                    {
+                        result = PersonPictureCharacterType.Symbolic;
+                    }
+                    break;
+                case PersonPictureCharacterType.Standard:
+                    if ((result != PersonPictureCharacterType.Glyph) && (result != PersonPictureCharacterType.Symbolic))
+                    {
+                        result = PersonPictureCharacterType.Standard;
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+        return result;
+    }
+
+    public static PersonPictureCharacterType GetCharacterType(char character)
+    {
+
+        // IPA Extensions
+        if ((character >= 0x0250) && (character <= 0x02AF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Arabic
+        if ((character >= 0x0600) && (character <= 0x06FF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Arabic Supplement
+        if ((character >= 0x0750) && (character <= 0x077F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Arabic Extended-A
+        if ((character >= 0x08A0) && (character <= 0x08FF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Arabic Presentation Forms-A
+        if ((character >= 0xFB50) && (character <= 0xFDFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Arabic Presentation Forms-B
+        if ((character >= 0xFE70) && (character <= 0xFEFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Devanagari
+        if ((character >= 0x0900) && (character <= 0x097F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Devanagari Extended
+        if ((character >= 0xA8E0) && (character <= 0xA8FF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Bengali
+        if ((character >= 0x0980) && (character <= 0x09FF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Gurmukhi
+        if ((character >= 0x0A00) && (character <= 0x0A7F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Gujarati
+        if ((character >= 0x0A80) && (character <= 0x0AFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Oriya
+        if ((character >= 0x0B00) && (character <= 0x0B7F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Tamil
+        if ((character >= 0x0B80) && (character <= 0x0BFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Telugu
+        if ((character >= 0x0C00) && (character <= 0x0C7F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Kannada
+        if ((character >= 0x0C80) && (character <= 0x0CFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Malayalam
+        if ((character >= 0x0D00) && (character <= 0x0D7F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Sinhala
+        if ((character >= 0x0D80) && (character <= 0x0DFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Thai
+        if ((character >= 0x0E00) && (character <= 0x0E7F))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // Lao
+        if ((character >= 0x0E80) && (character <= 0x0EFF))
+        {
+            return PersonPictureCharacterType.Glyph;
+        }
+        // SYMBOLIC
+        //
+        // CJK Unified Ideographs
+        if ((character >= 0x4E00) && (character <= 0x9FFF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Unified Ideographs Extension 
+        if ((character >= 0x3400) && (character <= 0x4DBF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Unified Ideographs Extension B
+        if ((character >= 0x20000) && (character <= 0x2A6DF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Unified Ideographs Extension C
+        if ((character >= 0x2A700) && (character <= 0x2B73F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Unified Ideographs Extension D
+        if ((character >= 0x2B740) && (character <= 0x2B81F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Radicals Supplement
+        if ((character >= 0x2E80) && (character <= 0x2EFF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Symbols and Punctuation
+        if ((character >= 0x3000) && (character <= 0x303F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Strokes
+        if ((character >= 0x31C0) && (character <= 0x31EF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // Enclosed CJK Letters and Months
+        if ((character >= 0x3200) && (character <= 0x32FF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Compatibility
+        if ((character >= 0x3300) && (character <= 0x33FF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Compatibility Ideographs
+        if ((character >= 0xF900) && (character <= 0xFAFF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Compatibility Forms
+        if ((character >= 0xFE30) && (character <= 0xFE4F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // CJK Compatibility Ideographs Supplement
+        if ((character >= 0x2F800) && (character <= 0x2FA1F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // Greek and Coptic
+        if ((character >= 0x0370) && (character <= 0x03FF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // Hebrew
+        if ((character >= 0x0590) && (character <= 0x05FF))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // Armenian
+        if ((character >= 0x0530) && (character <= 0x058F))
+        {
+            return PersonPictureCharacterType.Symbolic;
+        }
+        // LATIN
+        //
+        // Basic Latin
+        if ((character > 0x0000) && (character <= 0x007F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin-1 Supplement
+        if ((character >= 0x0080) && (character <= 0x00FF))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended-A
+        if ((character >= 0x0100) && (character <= 0x017F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended-B
+        if ((character >= 0x0180) && (character <= 0x024F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended-C
+        if ((character >= 0x2C60) && (character <= 0x2C7F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended-D
+        if ((character >= 0xA720) && (character <= 0xA7FF))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended-E
+        if ((character >= 0xAB30) && (character <= 0xAB6F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Latin Extended Additional
+        if ((character >= 0x1E00) && (character <= 0x1EFF))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Cyrillic
+        if ((character >= 0x0400) && (character <= 0x04FF))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Cyrillic Supplement
+        if ((character >= 0x0500) && (character <= 0x052F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        // Combining Diacritical Marks
+        if ((character >= 0x0300) && (character <= 0x036F))
+        {
+            return PersonPictureCharacterType.Standard;
+        }
+        return PersonPictureCharacterType.Other;
+    }
+
+    public static string InitialsFromDisplayName(string contactDisplayName)
+    {
+        PersonPictureCharacterType type = GetCharacterType(contactDisplayName);
+        if (type == PersonPictureCharacterType.Standard)
+        {
+            string displayName = contactDisplayName;
+            StripTrailingBrackets(ref displayName);
+            string[] words = Split(displayName, ' ');
+
+            if (words.Length == 1)
+            {
+                string firstWord = words.First();
+                string result = GetFirstFullCharacter(firstWord);
+
+                return result.ToUpper();
+            }
+            else if (words.Length > 1)
+            {
+                string firstWord = words.First();
+                string lastWord = words.Last();
+                string result = GetFirstFullCharacter(firstWord);
+                result += GetFirstFullCharacter(lastWord);
+
+                return result.ToUpper();
+            }
+            else
+            {
+                return string.Empty;
+            }
+        }
+        else
+        {
+            return string.Empty;
+        }
+    }
+    private static string GetFirstFullCharacter(string str)
+    {
+        int start = 0;
+        while (start < str.Length)
+        {
+            char character = str[start];
+            // Omit ! " # $ % & ' ( ) * + , - . /
+            if ((character >= 0x0021) && (character <= 0x002F))
+            {
+                start++;
+                continue;
+            }
+            // Omit : ; < = > ? @
+            if ((character >= 0x003A) && (character <= 0x0040))
+            {
+                start++;
+                continue;
+            }
+            // Omit { | } ~
+            if ((character >= 0x007B) && (character <= 0x007E))
+            {
+                start++;
+                continue;
+            }
+            break;
+        }
+
+        if (start >= str.Length)
+        {
+            start = 0;
+        }
+
+        int index = start + 1;
+        while (index < str.Length)
+        {
+            char character = str[index];
+
+            if ((character < 0x0300) || (character > 0x036F))
+            {
+                break;
+            }
+
+            index++;
+        }
+
+        int strLength = index - start;
+        return SafeSubstring(str, start, strLength);
+    }
+
+    private static string SafeSubstring(string value, int startIndex, int length)
+    {
+        if (value is null)
+        {
+            throw new ArgumentNullException(nameof(value));
+        }
+
+        if (startIndex > value.Length)
+        {
+            return string.Empty;
+        }
+
+        if (length > value.Length - startIndex)
+        {
+            length = value.Length - startIndex;
+        }
+
+        return value.Substring(startIndex, length);
+    }
+    private static string[] Split(string source, char delim, int maxIterations = 25)
+    {
+        return source.Split(new[] { delim }, maxIterations);
+    }
+
+    private static void StripTrailingBrackets(ref string source)
+    {
+        string[] delimiters = { "{}", "()", "[]" };
+        if (source.Length == 0)
+        {
+            return;
+        }
+        foreach (var delimiter in delimiters)
+        {
+            if (source[source.Length - 1] != delimiter[1])
+            {
+                continue;
+            }
+            var start = source.LastIndexOf(delimiter[0]);
+            if (start == -1)
+            {
+                continue;
+            }
+            source = source.Remove(start);
+            return;
+        }
+    }
+}
@@ -0,0 +1,26 @@
+using Avalonia;
+using Avalonia.Media;
+
+namespace Toolkit.UI.Controls.Avalonia;
+
+public class PersonPictureTemplateSettings : AvaloniaObject
+{
+    private static readonly StyledProperty<ImageBrush?> ActualImageBrushProperty =
+        AvaloniaProperty.Register<PersonPictureTemplateSettings, ImageBrush?>(nameof(ActualImageBrush));
+
+
+    private static readonly StyledProperty<string> ActualInitialsProperty =
+        AvaloniaProperty.Register<PersonPictureTemplateSettings, string>(nameof(ActualInitials));
+
+    public ImageBrush? ActualImageBrush
+    {
+        get => GetValue(ActualImageBrushProperty);
+        set => SetValue(ActualImageBrushProperty, value);
+    }
+
+    public string ActualInitials
+    {
+        get => GetValue(ActualInitialsProperty);
+        set => SetValue(ActualInitialsProperty, value);
+    }
+}