add:软件启动动画

Ink Canvas/Windows/SplashScreen.xaml

@@ -0,0 +1,57 @@
+<Window x:Class="Ink_Canvas.Windows.SplashScreen"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        Title="Ink Canvas"
+        WindowStyle="None"
+        AllowsTransparency="True"
+        Background="Transparent"
+        WindowState="Maximized"
+        Topmost="True"
+        ShowInTaskbar="False"
+        ResizeMode="NoResize"
+        WindowStartupLocation="CenterScreen">
+    <Grid>
+        <!-- 背景遮罩 -->
+        <Rectangle Fill="#80000000" />
+        
+        <!-- 启动图片容器 -->
+        <Grid HorizontalAlignment="Center" VerticalAlignment="Center">
+            <StackPanel>
+                <!-- 启动图片 -->
+                <Image x:Name="StartupImage" 
+                       Source="pack://application:,,,/Resources/ICC Start.png" 
+                       Width="600" 
+                       Height="450"
+                       Stretch="Uniform" />
+                
+                <!-- 版本号显示 - 右上角 -->
+                <TextBlock x:Name="VersionTextBlock" 
+                        FontSize="12" 
+                        Foreground="FloralWhite" 
+                        HorizontalAlignment="Right" 
+                        VerticalAlignment="Top" 
+                        Margin="0,-385,50,0" 
+                        Opacity="0.8" 
+                        Panel.ZIndex="1000" />
+                
+                <!-- 加载文本 -->
+                <TextBlock x:Name="LoadingText" 
+                           Text="正在启动 Ink Canvas..." 
+                           FontSize="18" 
+                           FontWeight="SemiBold"
+                           Foreground="White"
+                           HorizontalAlignment="Center"
+                           Margin="0,-150,0,0" />
+                
+                <!-- 进度条 -->
+                <ProgressBar x:Name="LoadingProgress" 
+                             Width="500" 
+                             Height="8" 
+                             Margin="0,-170,0,0"
+                             Background="#40000000"
+                             Foreground="#0078D4"
+                             IsIndeterminate="True" />
+            </StackPanel>
+        </Grid>
+    </Grid>
+</Window>

Ink Canvas/Windows/SplashScreen.xaml.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Reflection;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media.Animation;
+using System.Windows.Threading;
+
+namespace Ink_Canvas.Windows
+{
+    /// <summary>
+    /// SplashScreen.xaml 的交互逻辑
+    /// </summary>
+    public partial class SplashScreen : Window
+    {
+        private DispatcherTimer _timer;
+        private int _loadingStep = 0;
+        private readonly string[] _loadingMessages = {
+            "正在启动 Ink Canvas...",
+            "正在初始化组件...",
+            "正在加载配置...",
+            "正在准备界面...",
+            "启动完成！"
+        };
+
+        public SplashScreen()
+        {
+            InitializeComponent();
+            InitializeSplashScreen();
+        }
+
+        private void InitializeSplashScreen()
+        {
+            // 设置窗口居中
+            WindowStartupLocation = WindowStartupLocation.CenterScreen;
+            
+            // 设置版本号
+            SetVersionText();
+            
+            // 启动加载动画
+            StartLoadingAnimation();
+        }
+
+        private void StartLoadingAnimation()
+        {
+            _timer = new DispatcherTimer
+            {
+                Interval = TimeSpan.FromMilliseconds(1200) 
+            };
+            _timer.Tick += Timer_Tick;
+            _timer.Start();
+        }
+
+        private void Timer_Tick(object sender, EventArgs e)
+        {
+            if (_loadingStep < _loadingMessages.Length)
+            {
+                LoadingText.Text = _loadingMessages[_loadingStep];
+                _loadingStep++;
+            }
+            else
+            {
+                _timer.Stop();
+                // 不要自动关闭启动画面，等待外部调用CloseSplashScreen
+            }
+        }
+
+        public void CloseSplashScreen()
+        {
+            // 添加淡出动画
+            var fadeOutAnimation = new DoubleAnimation
+            {
+                From = 1,
+                To = 0,
+                Duration = TimeSpan.FromMilliseconds(300),
+                EasingFunction = new CubicEase { EasingMode = EasingMode.EaseIn }
+            };
+
+            fadeOutAnimation.Completed += (s, e) => 
+            {
+                this.Close();
+            };
+
+            this.BeginAnimation(OpacityProperty, fadeOutAnimation);
+        }
+
+        /// <summary>
+        /// 设置加载进度（0-100）
+        /// </summary>
+        /// <param name="progress">进度百分比</param>
+        public void SetProgress(int progress)
+        {
+            Dispatcher.Invoke(() =>
+            {
+                LoadingProgress.IsIndeterminate = false;
+                LoadingProgress.Value = progress;
+            });
+        }
+
+        /// <summary>
+        /// 设置加载消息
+        /// </summary>
+        /// <param name="message">加载消息</param>
+        public void SetLoadingMessage(string message)
+        {
+            Dispatcher.Invoke(() =>
+            {
+                LoadingText.Text = message;
+            });
+        }
+
+        /// <summary>
+        /// 设置版本号文本
+        /// </summary>
+        private void SetVersionText()
+        {
+            try
+            {
+                var version = Assembly.GetExecutingAssembly().GetName().Version;
+                if (version != null)
+                {
+                    VersionTextBlock.Text = $"v{version.Major}.{version.Minor}.{version.Build}.{version.Revision}";
+                }
+                else
+                {
+                    VersionTextBlock.Text = "v5.0.4.0";
+                }
+            }
+            catch
+            {
+                VersionTextBlock.Text = "v5.0.4.0";
+            }
+        }
+    }
+}