Merge pull request #106 from ww-rm/dev/wpf

v0.15.19

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,18 @@
+---
+name: 问题报告/Bug report
+about: 报告可能的程序错误/Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+---
+
+## 问题描述/Describe the bug
+清晰完整的描述问题是什么以及如何发生的。/A clear and concise description of what the bug is.  
+
+## 复现方式（可选）/To Reproduce (Optional)
+
+## 截图（可选）/Screenshots (Optional)**
+如果有必要，提供报错时的有关截图。/If applicable, add screenshots to help explain your problem.  
+
+## 附件（可选）/Attachments (Optional)
+请将会**出现问题的文件**以及**日志文件**打包成一个 ZIP 后作为附件贴在 issue 内。/Please compress the problematic files and the log files into a single ZIP archive and attach it to this issue.

CHANGELOG.md

@@ -1,5 +1,58 @@
 # CHANGELOG
 
+## v0.15.19
+
+- 模型重载后选中最后一个重载模型
+- 修复 3.4 版本可能的奇数顶点数组导致的越界崩溃问题
+- 移除参数自动记录中的背景图片路径
+- 增加测试性桌面投影功能
+
+## v0.15.18
+
+- 完善窗口日志颜色标记
+- 修复预览图背景颜色为透明
+- 修复面板高度首次还原错误
+- 增加托盘图标
+- 增加可选预览背景画面和填充模式
+- 增强支持的纹理格式（例如 webp）
+
+## v0.15.17
+
+- 修改图标配色
+
+## v0.15.16
+
+- 修改模型添加顺序, 每次向顶层添加
+- 添加模型后自动选中最近添加的模型S
+- 点击预览画面或者选中项发生变化时转移焦点至列表
+- 增加移除全部菜单项
+- 增加单例模式和命令行文件参数
+- 增加文件关联设置
+
+## v0.15.15
+
+- 增加报错信息
+- 导入后自动选中最后一项
+
+## v0.15.14
+
+- 将预览画面的首选项移动至上一次状态参数中
+- 增加预览画面像素的自动保存和恢复
+- 增加日志启动时的版本号输出
+
+## v0.15.13
+
+- 增加程序布局自动存储和还原
+- 增加部分预览画面首选项
+
+## v0.15.12
+
+- 增加单个模型和单个轨道的时间因子
+- 增加单个轨道的 Alpha 混合参数
+- 调整轨道清除命令至右键菜单
+- 设置默认标签页为模型
+- 完善导入时的报错信息
+
 ## v0.15.11
 
 - 修复自定义导出中参数构造错误

NLog.Windows.Wpf/NLog.Windows.Wpf.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <ImplicitUsings>enable</ImplicitUsings>
@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.4</Version>
+        <Version>0.15.18</Version>
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 

NLog.Windows.Wpf/RichTextBoxRowColoringRule.cs

@@ -1,92 +1,53 @@
-// 
-// Copyright (c) 2004-2011 Jaroslaw Kowalski <jaak@jkowalski.net>
-// 
-// All rights reserved.
-// 
-// Redistribution and use in source and binary forms, with or without 
-// modification, are permitted provided that the following conditions 
-// are met:
-// 
-// * Redistributions of source code must retain the above copyright notice, 
-//   this list of conditions and the following disclaimer. 
-// 
-// * Redistributions in binary form must reproduce the above copyright notice,
-//   this list of conditions and the following disclaimer in the documentation
-//   and/or other materials provided with the distribution. 
-// 
-// * Neither the name of Jaroslaw Kowalski nor the names of its 
-//   contributors may be used to endorse or promote products derived from this
-//   software without specific prior written permission. 
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
-// THE POSSIBILITY OF SUCH DAMAGE.
-// 
-
+using NLog;
 using NLog.Conditions;
 using NLog.Config;
-using NLog;
-using System.ComponentModel;
+using NLog.Layouts;
 using System.Windows;
+
 namespace NLog.Windows.Wpf
 {
     [NLogConfigurationItem]
     public class RichTextBoxRowColoringRule
     {
-        static RichTextBoxRowColoringRule()
-        {
-            Default = new RichTextBoxRowColoringRule();
-        }
-
-        public RichTextBoxRowColoringRule()
-            : this(null, "Empty", "Empty", FontStyles.Normal, FontWeights.Normal)
-        {
-        }
-
-        public RichTextBoxRowColoringRule(string condition, string fontColor, string backColor, FontStyle fontStyle, FontWeight fontWeight)
-        {
-            Condition = condition;
-            FontColor = fontColor;
-            BackgroundColor = backColor;
-            Style = fontStyle;
-            Weight = fontWeight;
-        }
-
-        public RichTextBoxRowColoringRule(string condition, string fontColor, string backColor)
-        {
-            Condition = condition;
-            FontColor = fontColor;
-            BackgroundColor = backColor;
-            Style = FontStyles.Normal;
-            Weight = FontWeights.Normal;
-        }
-
         public static RichTextBoxRowColoringRule Default { get; private set; }
 
         [RequiredParameter]
         public ConditionExpression Condition { get; set; }
 
-        [DefaultValue("Empty")]
-        public string FontColor { get; set; }
+        public Layout FontColor { get; set; }
+        public Layout BackgroundColor { get; set; }
 
-        [DefaultValue("Empty")]
-        public string BackgroundColor { get; set; }
+        public FontStyle FontStyle { get; set; }
+        public FontWeight FontWeight { get; set; }
 
-        public FontStyle Style { get; set; }
+        static RichTextBoxRowColoringRule()
+        {
+            RichTextBoxRowColoringRule.Default = new RichTextBoxRowColoringRule();
+        }
 
-        public FontWeight Weight { get; set; }
+        public RichTextBoxRowColoringRule() : this(null, "Empty", "Empty", FontStyles.Normal, FontWeights.Normal) { }
+
+        public RichTextBoxRowColoringRule(string condition, string fontColor, string backColor)
+        {
+            this.Condition = (ConditionExpression)condition;
+            this.FontColor = Layout.FromString(fontColor);
+            this.BackgroundColor = Layout.FromString(backColor);
+            this.FontStyle = FontStyles.Normal;
+            this.FontWeight = FontWeights.Normal;
+        }
+
+        public RichTextBoxRowColoringRule(string condition, string fontColor, string backColor, FontStyle fontStyle, FontWeight fontWeight)
+        {
+            this.Condition = (ConditionExpression)condition;
+            this.FontColor = Layout.FromString(fontColor);
+            this.BackgroundColor = Layout.FromString(backColor);
+            this.FontStyle = fontStyle;
+            this.FontWeight = fontWeight;
+        }
 
         public bool CheckCondition(LogEventInfo logEvent)
         {
-            return true.Equals(Condition.Evaluate(logEvent));
+            return true.Equals(this.Condition.Evaluate(logEvent));
         }
     }
 }

NLog.Windows.Wpf/RichTextBoxTarget.cs

@@ -1,34 +1,27 @@
-using NLog.Config;
-using NLog.Layouts;
+using NLog;
+using NLog.Common;
+using NLog.Config;
 using NLog.Targets;
-using NLog;
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
-using System.ComponentModel;
-using System.Diagnostics;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Text.RegularExpressions;
+using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Documents;
 using System.Windows.Media;
-using System.Windows;
 
 namespace NLog.Windows.Wpf
 {
-    // TODO: 完善日志实现
     [Target("RichTextBox")]
     public sealed class RichTextBoxTarget : TargetWithLayout
     {
-        private int lineCount;
-        private int _width = 500;
-        private int _height = 500;
-        private static readonly TypeConverter colorConverter = new ColorConverter();
+        public static ReadOnlyCollection<RichTextBoxRowColoringRule> DefaultRowColoringRules { get; } = CreateDefaultColoringRules();
 
-        static RichTextBoxTarget()
+        private static ReadOnlyCollection<RichTextBoxRowColoringRule> CreateDefaultColoringRules()
         {
-            var rules = new List<RichTextBoxRowColoringRule>()
+            return new List<RichTextBoxRowColoringRule>()
             {
                 new RichTextBoxRowColoringRule("level == LogLevel.Fatal", "White", "Red", FontStyles.Normal, FontWeights.Bold),
                 new RichTextBoxRowColoringRule("level == LogLevel.Error", "Red", "Empty", FontStyles.Italic, FontWeights.Bold),
@@ -36,220 +29,252 @@ namespace NLog.Windows.Wpf
                 new RichTextBoxRowColoringRule("level == LogLevel.Info", "Black", "Empty"),
                 new RichTextBoxRowColoringRule("level == LogLevel.Debug", "Gray", "Empty"),
                 new RichTextBoxRowColoringRule("level == LogLevel.Trace", "DarkGray", "Empty", FontStyles.Italic, FontWeights.Normal),
-            };
-
-            DefaultRowColoringRules = rules.AsReadOnly();
+            }.AsReadOnly();
         }
 
-        public RichTextBoxTarget()
-        {
-            WordColoringRules = new List<RichTextBoxWordColoringRule>();
-            RowColoringRules = new List<RichTextBoxRowColoringRule>();
-            ToolWindow = true;
-        }
-
-        private delegate void DelSendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule);
-
-        private delegate void FormCloseDelegate();
-
-        public static ReadOnlyCollection<RichTextBoxRowColoringRule> DefaultRowColoringRules { get; private set; }
+        public RichTextBoxTarget() { }
 
         public string ControlName { get; set; }
 
-        public string FormName { get; set; }
+        public string WindowName { get; set; }
 
-        [DefaultValue(false)]
         public bool UseDefaultRowColoringRules { get; set; }
 
-        [ArrayParameter(typeof(RichTextBoxRowColoringRule), "row-coloring")]
-        public IList<RichTextBoxRowColoringRule> RowColoringRules { get; private set; }
-
-        [ArrayParameter(typeof(RichTextBoxWordColoringRule), "word-coloring")]
-        public IList<RichTextBoxWordColoringRule> WordColoringRules { get; private set; }
-
-        [DefaultValue(true)]
-        public bool ToolWindow { get; set; }
-
-        public bool ShowMinimized { get; set; }
-
-        public int Width
-        {
-            get { return _width; }
-            set { _width = value; }
-        }
-
-        public int Height
-        {
-            get { return _height; }
-            set { _height = value; }
-        }
-
         public bool AutoScroll { get; set; }
 
         public int MaxLines { get; set; }
 
-        internal Window TargetForm { get; set; }
+        [ArrayParameter(typeof(RichTextBoxRowColoringRule), "row-coloring")]
+        public IList<RichTextBoxRowColoringRule> RowColoringRules { get; } = new List<RichTextBoxRowColoringRule>();
 
-        internal RichTextBox TargetRichTextBox { get; set; }
+        [ArrayParameter(typeof(RichTextBoxWordColoringRule), "word-coloring")]
+        public IList<RichTextBoxWordColoringRule> WordColoringRules { get; } = new List<RichTextBoxWordColoringRule>();
 
-        internal bool CreatedForm { get; set; }
+        [NLogConfigurationIgnoreProperty]
+        public Window TargetWindow { get; set; }
+
+        [NLogConfigurationIgnoreProperty]
+        public RichTextBox TargetRichTextBox { get; set; }
 
         protected override void InitializeTarget()
         {
-            TargetRichTextBox = Application.Current.MainWindow.FindName(ControlName) as RichTextBox;
+            base.InitializeTarget();
+            if (TargetRichTextBox != null)
+                return;
 
-            if (TargetRichTextBox != null) return;
-            //this.TargetForm = FormHelper.CreateForm(this.FormName, this.Width, this.Height, false, this.ShowMinimized, this.ToolWindow);
-            //this.CreatedForm = true;
-
-            var openFormByName = Application.Current.Windows.Cast<Window>().FirstOrDefault(x => x.GetType().Name == FormName);
-            if (openFormByName != null)
+            if (WindowName == null)
             {
-                TargetForm = openFormByName;
+                HandleError("WindowName should be specified for {0}.{1}", GetType().Name, Name);
+                return;
+            }
+
             if (string.IsNullOrEmpty(ControlName))
             {
-                    // throw new NLogConfigurationException("Rich text box control name must be specified for " + GetType().Name + ".");
-                    Trace.WriteLine("Rich text box control name must be specified for " + GetType().Name + ".");
+                HandleError("Rich text box control name must be specified for {0}.{1}", GetType().Name, Name);
+                return;
             }
 
-                CreatedForm = false;
-                TargetRichTextBox = TargetForm.FindName(ControlName) as RichTextBox;
-
-                if (TargetRichTextBox == null)
+            var targetWindow = Application.Current.Windows.OfType<Window>().FirstOrDefault(w => w.Name == WindowName);
+            if (targetWindow == null)
             {
-                    // throw new NLogConfigurationException("Rich text box control '" + ControlName + "' cannot be found on form '" + FormName + "'.");
-                    Trace.WriteLine("Rich text box control '" + ControlName + "' cannot be found on form '" + FormName + "'.");
-                }
+                InternalLogger.Info("{0}: WindowName '{1}' not found", this, WindowName);
+                return;
             }
 
-            if (TargetRichTextBox == null)
+            var targetControl = targetWindow.FindName(ControlName) as RichTextBox;
+            if (targetControl == null)
             {
-                TargetForm = new Window
-                {
-                    Name = FormName,
-                    Width = Width,
-                    Height = Height,
-                    WindowStyle = ToolWindow ? WindowStyle.ToolWindow : WindowStyle.None,
-                    WindowState = ShowMinimized ? WindowState.Minimized : WindowState.Normal,
-                    Title = "NLog Messages"
-                };
-                TargetForm.Show();
-
-                TargetRichTextBox = new RichTextBox { Name = ControlName };
-                var style = new Style(typeof(Paragraph));
-                TargetRichTextBox.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
-                style.Setters.Add(new Setter(Block.MarginProperty, new Thickness(0, 0, 0, 0)));
-                TargetRichTextBox.Resources.Add(typeof(Paragraph), style);
-                TargetForm.Content = TargetRichTextBox;
-
-                CreatedForm = true;
+                InternalLogger.Info("{0}: WIndowName '{1}' does not contain ControlName '{2}'", this, WindowName, ControlName);
+                return;
             }
+
+            AttachToControl(targetWindow, targetControl);
+        }
+
+        private static void HandleError(string message, params object[] args)
+        {
+            if (LogManager.ThrowExceptions)
+            {
+                throw new NLogConfigurationException(string.Format(message, args));
+            }
+            InternalLogger.Error(message, args);
+        }
+
+        private void AttachToControl(Window window, RichTextBox textboxControl)
+        {
+            InternalLogger.Info("{0}: Attaching target to textbox {1}.{2}", this, window.Name, textboxControl.Name);
+            DetachFromControl();
+            TargetWindow = window;
+            TargetRichTextBox = textboxControl;
+        }
+
+        private void DetachFromControl()
+        {
+            TargetWindow = null;
+            TargetRichTextBox = null;
         }
 
         protected override void CloseTarget()
         {
-            if (CreatedForm)
-            {
-                try
-                {
-                    TargetForm.Dispatcher.Invoke(() =>
-                    {
-                        TargetForm.Close();
-                        TargetForm = null;
-                    });
-                }
-                catch
-                {
-                }
-
-
-
-            }
+            DetachFromControl();
         }
 
         protected override void Write(LogEventInfo logEvent)
         {
-            RichTextBoxRowColoringRule matchingRule = RowColoringRules.FirstOrDefault(rr => rr.CheckCondition(logEvent));
-
-            if (UseDefaultRowColoringRules && matchingRule == null)
+            RichTextBox textbox = TargetRichTextBox;
+            if (textbox == null || textbox.Dispatcher.HasShutdownStarted || textbox.Dispatcher.HasShutdownFinished)
             {
-                foreach (var rr in DefaultRowColoringRules.Where(rr => rr.CheckCondition(logEvent)))
-                {
-                    matchingRule = rr;
-                    break;
-                }
+                //no last logged textbox
+                InternalLogger.Trace("{0}: Attached Textbox is {1}, skipping logging", this, textbox == null ? "null" : "disposed");
+                return;
             }
 
-            if (matchingRule == null)
-            {
-                matchingRule = RichTextBoxRowColoringRule.Default;
+            string logMessage = RenderLogEvent(Layout, logEvent);
+            RichTextBoxRowColoringRule matchingRule = FindMatchingRule(logEvent);
+            _ = DoSendMessageToTextbox(logMessage, matchingRule, logEvent);
         }
 
-            var logMessage = Layout.Render(logEvent);
-
-            if (Application.Current == null) return;
-
+        private bool DoSendMessageToTextbox(string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
+        {
+            RichTextBox textbox = TargetRichTextBox;
             try
             {
-                if (Application.Current.Dispatcher.CheckAccess() == false)
+                if (textbox != null && !textbox.Dispatcher.HasShutdownStarted && !textbox.Dispatcher.HasShutdownFinished)
                 {
-                    Application.Current.Dispatcher.Invoke(() => SendTheMessageToRichTextBox(logMessage, matchingRule));
+                    if (!textbox.Dispatcher.CheckAccess())
+                    {
+                        textbox.Dispatcher.BeginInvoke(() => SendTheMessageToRichTextBox(textbox, logMessage, rule, logEvent));
                     }
                     else
                     {
-                    SendTheMessageToRichTextBox(logMessage, matchingRule);
+                        SendTheMessageToRichTextBox(textbox, logMessage, rule, logEvent);
+                    }
+                    return true;
                 }
             }
             catch (Exception ex)
             {
-                Debug.WriteLine(ex);
-            }
+                InternalLogger.Warn(ex, "{0}: Failed to append RichTextBox", this);
 
-        }
-
-
-        private static Color GetColorFromString(string color, Brush defaultColor)
+                if (LogManager.ThrowExceptions)
                 {
-
-            if (color == "Empty")
-            {
-                return defaultColor is SolidColorBrush solidBrush ? solidBrush.Color : Colors.White;
+                    throw;
+                }
+            }
+            return false;
         }
 
-            return (Color)colorConverter.ConvertFromString(color);
+        private RichTextBoxRowColoringRule FindMatchingRule(LogEventInfo logEvent)
+        {
+            //custom rules first
+            if (RowColoringRules.Count > 0)
+            {
+                foreach (RichTextBoxRowColoringRule coloringRule in RowColoringRules)
+                {
+                    if (coloringRule.CheckCondition(logEvent))
+                    {
+                        return coloringRule;
+                    }
+                }
             }
 
-
-        private void SendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule)
+            if (UseDefaultRowColoringRules && DefaultRowColoringRules != null)
             {
-            RichTextBox rtbx = TargetRichTextBox;
+                foreach (RichTextBoxRowColoringRule coloringRule in DefaultRowColoringRules)
+                {
+                    if (coloringRule.CheckCondition(logEvent))
+                    {
+                        return coloringRule;
+                    }
+                }
+            }
+
+            return RichTextBoxRowColoringRule.Default;
+        }
+
+        private void SendTheMessageToRichTextBox(RichTextBox textBox, string logMessage, RichTextBoxRowColoringRule rule, LogEventInfo logEvent)
+        {
+            if (textBox == null) return;
+
+            var document = textBox.Document;
+
+            // 插入文本（带换行）
+            var tr = new TextRange(document.ContentEnd, document.ContentEnd)
+            {
+                Text = logMessage + Environment.NewLine
+            };
+
+            // 设置行级样式
+            var fgColor = rule.FontColor?.Render(logEvent);
+            var bgColor = rule.BackgroundColor?.Render(logEvent);
 
-            var tr = new TextRange(rtbx.Document.ContentEnd, rtbx.Document.ContentEnd);
-            tr.Text = logMessage + "\n";
             tr.ApplyPropertyValue(TextElement.ForegroundProperty,
-                new SolidColorBrush(GetColorFromString(rule.FontColor, (Brush)tr.GetPropertyValue(TextElement.ForegroundProperty)))
-            );
+                string.IsNullOrEmpty(fgColor) || fgColor == "Empty"
+                    ? textBox.Foreground
+                    : new SolidColorBrush((Color)ColorConverter.ConvertFromString(fgColor)));
+
             tr.ApplyPropertyValue(TextElement.BackgroundProperty,
-                new SolidColorBrush(GetColorFromString(rule.BackgroundColor, (Brush)tr.GetPropertyValue(TextElement.BackgroundProperty)))
-            );
-            tr.ApplyPropertyValue(TextElement.FontStyleProperty, rule.Style);
-            tr.ApplyPropertyValue(TextElement.FontWeightProperty, rule.Weight);
+                string.IsNullOrEmpty(bgColor) || bgColor == "Empty"
+                    ? Brushes.Transparent
+                    : new SolidColorBrush((Color)ColorConverter.ConvertFromString(bgColor)));
 
+            tr.ApplyPropertyValue(TextElement.FontStyleProperty, rule.FontStyle);
+            tr.ApplyPropertyValue(TextElement.FontWeightProperty, rule.FontWeight);
 
+            // Word coloring（在刚插入的范围内做匹配）
+            if (WordColoringRules.Count > 0)
+            {
+                foreach (var wordRule in WordColoringRules)
+                {
+                    var pattern = wordRule.Regex?.Render(logEvent) ?? string.Empty;
+                    var text = wordRule.Text?.Render(logEvent) ?? string.Empty;
+                    var wholeWords = wordRule.WholeWords.RenderValue(logEvent);
+                    var ignoreCase = wordRule.IgnoreCase.RenderValue(logEvent);
+
+                    var regex = wordRule.ResolveRegEx(pattern, text, wholeWords, ignoreCase);
+                    var matches = regex.Matches(tr.Text);
+
+                    foreach (Match match in matches)
+                    {
+                        // 匹配到的部分范围
+                        var start = tr.Start.GetPositionAtOffset(match.Index, LogicalDirection.Forward);
+                        var endPos = tr.Start.GetPositionAtOffset(match.Index + match.Length, LogicalDirection.Backward);
+                        if (start == null || endPos == null) continue;
+
+                        var wordRange = new TextRange(start, endPos);
+
+                        var wordFg = wordRule.FontColor?.Render(logEvent);
+                        var wordBg = wordRule.BackgroundColor?.Render(logEvent);
+
+                        wordRange.ApplyPropertyValue(TextElement.ForegroundProperty,
+                            string.IsNullOrEmpty(wordFg) || wordFg == "Empty"
+                                ? tr.GetPropertyValue(TextElement.ForegroundProperty)
+                                : new SolidColorBrush((Color)ColorConverter.ConvertFromString(wordFg)));
+
+                        wordRange.ApplyPropertyValue(TextElement.BackgroundProperty,
+                            string.IsNullOrEmpty(wordBg) || wordBg == "Empty"
+                                ? tr.GetPropertyValue(TextElement.BackgroundProperty)
+                                : new SolidColorBrush((Color)ColorConverter.ConvertFromString(wordBg)));
+
+                        wordRange.ApplyPropertyValue(TextElement.FontStyleProperty, wordRule.FontStyle);
+                        wordRange.ApplyPropertyValue(TextElement.FontWeightProperty, wordRule.FontWeight);
+                    }
+                }
+            }
+
+            // 限制最大行数
             if (MaxLines > 0)
             {
-                lineCount++;
-                if (lineCount > MaxLines)
+                while (document.Blocks.Count > MaxLines)
                 {
-                    tr = new TextRange(rtbx.Document.ContentStart, rtbx.Document.ContentEnd);
-                    tr.Text.Remove(0, tr.Text.IndexOf('\n'));
-                    lineCount--;
+                    document.Blocks.Remove(document.Blocks.FirstBlock);
                 }
             }
 
+            // 自动滚动到最后
             if (AutoScroll)
             {
-                rtbx.ScrollToEnd();
+                textBox.ScrollToEnd();
             }
         }
     }

NLog.Windows.Wpf/RichTextBoxWordColoringRule.cs

@@ -1,119 +1,59 @@
-// 
-// Copyright (c) 2004-2011 Jaroslaw Kowalski <jaak@jkowalski.net>
-// 
-// All rights reserved.
-// 
-// Redistribution and use in source and binary forms, with or without 
-// modification, are permitted provided that the following conditions 
-// are met:
-// 
-// * Redistributions of source code must retain the above copyright notice, 
-//   this list of conditions and the following disclaimer. 
-// 
-// * Redistributions in binary form must reproduce the above copyright notice,
-//   this list of conditions and the following disclaimer in the documentation
-//   and/or other materials provided with the distribution. 
-// 
-// * Neither the name of Jaroslaw Kowalski nor the names of its 
-//   contributors may be used to endorse or promote products derived from this
-//   software without specific prior written permission. 
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
-// THE POSSIBILITY OF SUCH DAMAGE.
-// 
-
+using NLog.Config;
+using NLog.Layouts;
 using System.ComponentModel;
 using System.Text.RegularExpressions;
 using System.Windows;
-using NLog.Config;
 
 namespace NLog.Windows.Wpf
 {
     [NLogConfigurationItem]
     public class RichTextBoxWordColoringRule
     {
-        private Regex compiledRegex;
+        public Layout Regex { get; set; }
+        public Layout Text { get; set; }
+        public Layout<bool> WholeWords { get; set; }
+        public Layout<bool> IgnoreCase { get; set; }
 
-        public RichTextBoxWordColoringRule()
+        public Layout FontColor { get; set; }
+        public Layout BackgroundColor { get; set; }
+
+        public FontStyle FontStyle { get; set; }
+        public FontWeight FontWeight { get; set; }
+
+        internal Regex ResolveRegEx(string pattern, string text, bool wholeWords, bool ignoreCase)
         {
-            FontColor = "Empty";
-            BackgroundColor = "Empty";
+            if (string.IsNullOrEmpty(pattern) && text != null)
+            {
+                pattern = System.Text.RegularExpressions.Regex.Escape(text);
+                if (wholeWords)
+                    pattern = "\b" + pattern + "\b";
             }
 
+            RegexOptions options = RegexOptions.None;
+            if (ignoreCase)
+                options |= RegexOptions.IgnoreCase;
+
+            return new Regex(pattern, options);   // RegEx-Cache
+        }
+
+        public RichTextBoxWordColoringRule() : this(null, "Empty", "Empty", FontStyles.Normal, FontWeights.Normal) { }
+
         public RichTextBoxWordColoringRule(string text, string fontColor, string backgroundColor)
         {
-            Text = text;
-            FontColor = fontColor;
-            BackgroundColor = backgroundColor;
-            Style = FontStyles.Normal;
-            Weight = FontWeights.Normal;
+            this.Text = text;
+            this.FontColor = Layout.FromString(fontColor);
+            this.BackgroundColor = Layout.FromString(backgroundColor);
+            this.FontStyle = FontStyles.Normal;
+            this.FontWeight = FontWeights.Normal;
         }
 
         public RichTextBoxWordColoringRule(string text, string textColor, string backgroundColor, FontStyle fontStyle, FontWeight fontWeight)
         {
-            Text = text;
-            FontColor = textColor;
-            BackgroundColor = backgroundColor;
-            Style = fontStyle;
-            Weight = fontWeight;
-        }
-
-        public string Regex { get; set; }
-
-        public string Text { get; set; }
-
-        [DefaultValue(false)]
-        public bool WholeWords { get; set; }
-
-        [DefaultValue(false)]
-        public bool IgnoreCase { get; set; }
-
-        public FontStyle Style { get; set; }
-
-        public FontWeight Weight { get; set; }
-
-        public Regex CompiledRegex
-        {
-            get
-            {
-                if (compiledRegex == null)
-                {
-                    string regexpression = Regex;
-                    if (regexpression == null && Text != null)
-                    {
-                        regexpression = System.Text.RegularExpressions.Regex.Escape(Text);
-                        if (WholeWords)
-                        {
-                            regexpression = "\b" + regexpression + "\b";
+            this.Text = text;
+            this.FontColor = Layout.FromString(textColor);
+            this.BackgroundColor = Layout.FromString(backgroundColor);
+            this.FontStyle = fontStyle;
+            this.FontWeight = fontWeight;
         }
     }
-
-                    RegexOptions regexOptions = RegexOptions.Compiled;
-                    if (IgnoreCase)
-                    {
-                        regexOptions |= RegexOptions.IgnoreCase;
-                    }
-
-                    compiledRegex = new Regex(regexpression, regexOptions);
-                }
-
-                return compiledRegex;
-            }
-        }
-
-        [DefaultValue("Empty")]
-        public string FontColor { get; set; }
-
-        [DefaultValue("Empty")]
-        public string BackgroundColor { get; set; }
-    }
 }

README.en.md

@@ -21,11 +21,15 @@ A simple and user-friendly Spine file viewer and exporter with multi-language su
 * Skin and custom slot attachment settings.
 * Custom slot visibility settings.
 * Debug rendering support.
+* View/model/track time scale adjustment.
+* Track alpha blending parameter settings.
 * Fullscreen preview mode.
 * Export to single frame/image sequence/animated GIF/video formats.
 * Automatic resolution batch export.
 * FFmpeg custom export support.
 * Program parameter saving.
+* File name extension association.
+* Supports texture image formats other than PNG.
 * ...
 
 ### Supported Spine Versions

README.md

@@ -21,11 +21,15 @@
 - 支持皮肤/自定义插槽附件设置
 - 支持自定义插槽可见性
 - 支持调试渲染
+- 支持画面/模型/轨道时间倍速设置
+- 支持设置轨道 Alpha 混合参数
 - 支持全屏预览
 - 支持单帧/动图/视频文件导出
 - 支持自动分辨率批量导出
 - 支持 FFmpeg 自定义导出
 - 支持程序参数保存
+- 支持文件后缀关联
+- 支持非 png 格式的纹理图片格式
 - ......
 
 ### Spine 版本支持

SFMLRenderer/SFMLHwndHost.cs

@@ -64,10 +64,10 @@ namespace SFMLRenderer
             hs?.Dispose();
         }
 
-        private nint HwndMessageHook(nint hwnd, int msg, nint wParam, nint lParam, ref bool handled)
+        private IntPtr HwndMessageHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
         {
             _renderWindow?.DispatchEvents();
-            return nint.Zero;
+            return IntPtr.Zero;
         }
     }
 }

SFMLRenderer/SFMLRenderWindow.cs

@@ -0,0 +1,171 @@
+using SFML.Graphics;
+using SFML.System;
+using SFML.Window;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Threading;
+
+namespace SFMLRenderer
+{
+    public class SFMLRenderWindow : RenderWindow, ISFMLRenderer
+    {
+        private readonly DispatcherTimer _timer = new() { Interval = TimeSpan.FromMilliseconds(10) };
+
+        public SFMLRenderWindow(VideoMode mode, string title, Styles style) : base(mode, title, style) 
+        {
+            SetActive(false);
+            _timer.Tick += (s, e) => DispatchEvents();
+            _timer.Start();
+            RendererCreated?.Invoke(this, EventArgs.Empty);
+        }
+
+        public event EventHandler? RendererCreated;
+
+        public event EventHandler? RendererDisposing
+        {
+            add => throw new NotImplementedException();
+            remove => throw new NotImplementedException();
+        }
+
+        public event EventHandler<MouseMoveEventArgs>? CanvasMouseMove
+        {
+            add { MouseMoved += value; }
+            remove { MouseMoved -= value; }
+        }
+
+        public event EventHandler<MouseButtonEventArgs>? CanvasMouseButtonPressed
+        {
+            add { MouseButtonPressed += value; }
+            remove { MouseButtonPressed -= value; }
+        }
+
+        public event EventHandler<MouseButtonEventArgs>? CanvasMouseButtonReleased
+        {
+            add { MouseButtonReleased += value; }
+            remove { MouseButtonReleased -= value; }
+        }
+
+        public event EventHandler<MouseWheelScrollEventArgs>? CanvasMouseWheelScrolled
+        {
+            add { MouseWheelScrolled += value; }
+            remove { MouseWheelScrolled -= value; }
+        }
+
+        public Vector2u Resolution
+        { 
+            get => Size; 
+            set => Size = value; 
+        }
+
+        public Vector2f Center
+        {
+            get
+            {
+                using var view = GetView();
+                return view.Center;
+            }
+            set
+            {
+                using var view = GetView();
+                view.Center = value;
+                SetView(view);
+            }
+        }
+
+        public float Zoom
+        {
+            get
+            {
+                using var view = GetView();
+                return Math.Abs(Size.X / view.Size.X); // XXX: 仅使用宽度进行缩放计算
+            }
+            set
+            {
+                value = Math.Abs(value);
+                if (value <= 0) return;
+                using var view = GetView();
+                var signX = Math.Sign(view.Size.X);
+                var signY = Math.Sign(view.Size.Y);
+                var resolution = Size;
+                view.Size = new(resolution.X / value * signX, resolution.Y / value * signY);
+                SetView(view);
+            }
+        }
+
+        public float Rotation
+        {
+            get
+            {
+                using var view = GetView();
+                return view.Rotation;
+            }
+            set
+            {
+                using var view = GetView();
+                view.Rotation = value;
+                SetView(view);
+            }
+        }
+
+        public bool FlipX
+        {
+            get
+            {
+                using var view = GetView();
+                return view.Size.X < 0;
+            }
+            set
+            {
+                using var view = GetView();
+                var size = view.Size;
+                if (size.X > 0 && value || size.X < 0 && !value)
+                    size.X *= -1;
+                view.Size = size;
+                SetView(view);
+            }
+        }
+
+        public bool FlipY
+        {
+            get
+            {
+                using var view = GetView();
+                return view.Size.Y < 0;
+            }
+            set
+            {
+                using var view = GetView();
+                var size = view.Size;
+                if (size.Y > 0 && value || size.Y < 0 && !value)
+                    size.Y *= -1;
+                view.Size = size;
+                SetView(view);
+            }
+        }
+
+        public uint MaxFps
+        {
+            get => _maxFps;
+            set
+            {
+                SetFramerateLimit(value);
+                _maxFps = value;
+            }
+        }
+        private uint _maxFps = 0;
+
+        public bool VerticalSync
+        {
+            get => _verticalSync;
+            set
+            {
+                SetVerticalSyncEnabled(value);
+                _verticalSync = value;
+            }
+        }
+        private bool _verticalSync = false;
+    }
+}

SFMLRenderer/SFMLRenderer.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.4</Version>
+        <Version>0.15.19</Version>
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 

Spine/Implementations/SpineWrappers/V21/SpineObjectData21.cs

@@ -30,8 +30,15 @@ namespace Spine.Implementations.SpineWrappers.V21
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try 
+            { 
+                _atlas = new Atlas(atlasPath, textureLoader); 
+            }
+            catch (Exception ex) 
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'"); 
+            }
 
             try
             {
@@ -41,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V21
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -52,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V21
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -61,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V21
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V34/SpineObjectData34.cs

@@ -30,8 +30,15 @@ namespace Spine.Implementations.SpineWrappers.V34
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
             try
             {
@@ -41,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V34
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -52,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V34
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -61,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V34
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V35/SpineObjectData35.cs

@@ -30,8 +30,15 @@ namespace Spine.Implementations.SpineWrappers.V35
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
             try
             {
@@ -41,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V35
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -52,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V35
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -61,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V35
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V36/SpineObjectData36.cs

@@ -30,8 +30,15 @@ namespace Spine.Implementations.SpineWrappers.V36
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
             try
             {
@@ -41,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V36
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -52,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V36
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -61,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V36
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V37/SpineObjectData37.cs

@@ -30,8 +30,15 @@ namespace Spine.Implementations.SpineWrappers.V37
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
             try
             {
@@ -41,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V37
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -52,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V37
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -61,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V37
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V38/SpineObjectData38.cs

@@ -31,8 +31,15 @@ namespace Spine.Implementations.SpineWrappers.V38
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
             try
             {
@@ -42,8 +49,9 @@ namespace Spine.Implementations.SpineWrappers.V38
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -53,8 +61,9 @@ namespace Spine.Implementations.SpineWrappers.V38
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +71,8 @@ namespace Spine.Implementations.SpineWrappers.V38
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V40/SpineObjectData40.cs

@@ -30,10 +30,16 @@ namespace Spine.Implementations.SpineWrappers.V40
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
-            // 加载 skel
             try
             {
                 if (Utf8Validator.IsUtf8(skelPath))
@@ -42,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V40
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -53,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V40
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V40
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V41/SpineObjectData41.cs

@@ -30,10 +30,16 @@ namespace Spine.Implementations.SpineWrappers.V41
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
-            // 加载 skel
             try
             {
                 if (Utf8Validator.IsUtf8(skelPath))
@@ -42,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V41
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -53,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V41
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V41
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Implementations/SpineWrappers/V42/SpineObjectData42.cs

@@ -30,10 +30,16 @@ namespace Spine.Implementations.SpineWrappers.V42
             : base(skelPath, atlasPath, textureLoader)
         {
             // 加载 atlas
-            try { _atlas = new Atlas(atlasPath, textureLoader); }
-            catch (Exception ex) { throw new InvalidDataException($"Failed to load atlas '{atlasPath}'", ex); }
+            try
+            {
+                _atlas = new Atlas(atlasPath, textureLoader);
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load atlas '{atlasPath}'");
+            }
 
-            // 加载 skel
             try
             {
                 if (Utf8Validator.IsUtf8(skelPath))
@@ -42,8 +48,9 @@ namespace Spine.Implementations.SpineWrappers.V42
                     {
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -53,8 +60,9 @@ namespace Spine.Implementations.SpineWrappers.V42
                     {
                         _skeletonData = new SkeletonBinary(_atlas).ReadSkeletonData(skelPath);
                     }
-                    catch
+                    catch (Exception ex)
                     {
+                        _logger.Trace(ex.ToString());
                         _skeletonData = new SkeletonJson(_atlas).ReadSkeletonData(skelPath);
                     }
                 }
@@ -62,7 +70,8 @@ namespace Spine.Implementations.SpineWrappers.V42
             catch (Exception ex)
             {
                 _atlas.Dispose();
-                throw new InvalidDataException($"Failed to load skeleton file {skelPath}", ex);
+                _logger.Trace(ex.ToString());
+                throw new InvalidDataException($"Failed to load skeleton file {skelPath}");
             }
 
             // 加载动画数据

Spine/Spine.csproj

@@ -7,7 +7,7 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.11</Version>
+        <Version>0.15.19</Version>
     </PropertyGroup>
 
     <PropertyGroup>

Spine/SpineObject.cs

@@ -66,10 +66,10 @@ namespace Spine
                 }
                 catch (InvalidOperationException)
                 {
-                    throw new KeyNotFoundException($"Unrecognized skel suffix '{skelPath}'");
+                    throw new KeyNotFoundException($"Unrecognized skel file suffix");
                 }
             }
-            else if (!File.Exists(atlasPath)) throw new FileNotFoundException($"{nameof(atlasPath)} not found", skelPath);
+            else if (!File.Exists(atlasPath)) throw new FileNotFoundException($"{nameof(atlasPath)} not found", atlasPath);
             AtlasPath = Path.GetFullPath(atlasPath);
 
             // 自动检测版本, 可能会抛出异常
@@ -105,14 +105,22 @@ namespace Spine
 
                 // 依然加载不成功就只能报错
                 if (_data is null || Version is null)
-                    throw new InvalidDataException($"Failed to load spine by existed versions: '{skelPath}', '{atlasPath}'");
+                    throw new InvalidDataException($"Failed to load spine by existed versions");
             }
             else
             {
                 // 根据版本实例化对象
                 Version = version;
+                try
+                {
                     _data = SpineObjectData.New(Version, skelPath, atlasPath, textureLoader);
                 }
+                catch (Exception ex)
+                {
+                    _logger.Trace(ex.ToString());
+                    throw new InvalidDataException($"Failed to load spine with version '{version}'");
+                }
+            }
 
             // 创建状态实例
             _skeleton = _data.CreateSkeleton();
@@ -167,6 +175,7 @@ namespace Spine
                 // 拷贝渲染设置
                 UsePma = other.UsePma;
                 Physics = other.Physics;
+                _animationState.TimeScale = other._animationState.TimeScale;
 
                 // 拷贝皮肤加载情况
                 _skinLoadStatus = other._skinLoadStatus.ToDictionary();

Spine/SpineWrappers/SpineObjectData.cs

@@ -5,6 +5,7 @@ using System.Collections.Immutable;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using NLog;
 using Spine.SpineWrappers.Attachments;
 
 namespace Spine.SpineWrappers
@@ -17,6 +18,8 @@ namespace Spine.SpineWrappers
         ISpineObjectData, 
         IDisposable
     {
+        protected static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
         /// <summary>
         /// 构建版本对象
         /// </summary>

Spine/SpineWrappers/TextureLoader.cs

@@ -1,4 +1,7 @@
-using System;
+using NLog;
+using SFML.Graphics;
+using SkiaSharp;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -20,6 +23,8 @@ namespace Spine.SpineWrappers
         SpineRuntime41.TextureLoader,
         SpineRuntime42.TextureLoader
     {
+        private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
         /// <summary>
         /// 默认的全局纹理加载器
         /// </summary>
@@ -40,38 +45,39 @@ namespace Spine.SpineWrappers
         /// </summary>
         public bool ForceMipmap { get; set; }
 
-        private SFML.Graphics.Texture ReadTexture(string path)
+        private Texture ReadTexture(string path)
         {
-            if (ForcePremul)
+            if (!File.Exists(path))
             {
-                using var image = new SFML.Graphics.Image(path);
-                var width = image.Size.X;
-                var height = image.Size.Y;
-                var pixels = image.Pixels;
-                var size = width * height * 4;
-                for (int i = 0; i < size; i += 4)
-                {
-                    byte a = pixels[i + 3];
-                    if (a == 0)
-                    {
-                        pixels[i + 0] = 0;
-                        pixels[i + 1] = 0;
-                        pixels[i + 2] = 0;
+                _logger.Error($"Texture file not found, {path}");
+                throw new FileNotFoundException("Texture file not found", path);
             }
-                    else if (a != 255)
+
+            using var codec = SKCodec.Create(path, out var result);
+            if (codec is null || result != SKCodecResult.Success)
             {
-                        float f = a / 255f;
-                        pixels[i + 0] = (byte)(pixels[i + 0] * f);
-                        pixels[i + 1] = (byte)(pixels[i + 1] * f);
-                        pixels[i + 2] = (byte)(pixels[i + 2] * f);
+                _logger.Error($"Failed to create codec '{path}', {result}");
+                throw new InvalidOperationException($"Failed to create codec '{path}', {result}");
             }
+
+            var width = codec.Info.Width;
+            var height = codec.Info.Height;
+
+            // 判断是否需要强制预乘
+            var alphaType = ForcePremul ? SKAlphaType.Premul : SKAlphaType.Unpremul;
+            var info = new SKImageInfo(width, height, SKColorType.Rgba8888, alphaType);
+
+            result = codec.GetPixels(info, out var pixels);
+            if (result != SKCodecResult.Success)
+            {
+                _logger.Error($"Failed to decode image '{path}', {result}");
+                throw new InvalidOperationException($"Failed to decode image '{path}', {result}");
             }
-                var tex = new SFML.Graphics.Texture(width, height);
+
+            Texture tex = new((uint)width, (uint)height);
             tex.Update(pixels);
             return tex;
         }
-            return new(path);
-        }
 
         public virtual void Load(SpineRuntime21.AtlasPage page, string path)
         {
@@ -394,7 +400,7 @@ namespace Spine.SpineWrappers
 
         public virtual void Unload(object texture)
         {
-            ((SFML.Graphics.Texture)texture).Dispose();
+            ((Texture)texture).Dispose();
         }
     }
 }

SpineRuntimes/SpineRuntime21/Skeleton.cs

@@ -338,7 +338,7 @@ namespace SpineRuntime21 {
 
                 if (vertices != null)
                 {
-                    for (int ii = 0; ii < verticesLength; ii += 2)
+                    for (int ii = 0; ii + 1 < verticesLength; ii += 2)
                     {
                         float vx = vertices[ii], vy = vertices[ii + 1];
                         minX = Math.Min(minX, vx);

SpineRuntimes/SpineRuntime34/Skeleton.cs

@@ -489,7 +489,7 @@ namespace SpineRuntime34 {
 
                 if (vertices != null)
                 {
-                    for (int ii = 0; ii < verticesLength; ii += 2)
+                    for (int ii = 0; ii + 1 < verticesLength; ii += 2)
                     {
                         float vx = vertices[ii], vy = vertices[ii + 1];
                         minX = Math.Min(minX, vx);

SpineRuntimes/SpineRuntime35/Skeleton.cs

@@ -521,7 +521,7 @@ namespace SpineRuntime35 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime36/Skeleton.cs

@@ -528,7 +528,7 @@ namespace SpineRuntime36 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime37/Skeleton.cs

@@ -580,7 +580,7 @@ namespace SpineRuntime37 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime38/Skeleton.cs

@@ -617,7 +617,7 @@ namespace SpineRuntime38 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime40/Skeleton.cs

@@ -595,7 +595,7 @@ namespace SpineRuntime40 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime41/Skeleton.cs

@@ -641,7 +641,7 @@ namespace SpineRuntime41 {
 				}
 
 				if (vertices != null) {
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineRuntimes/SpineRuntime42/Skeleton.cs

@@ -742,7 +742,7 @@ namespace SpineRuntime42 {
 						verticesLength = clipper.ClippedVertices.Count;
 					}
 
-					for (int ii = 0; ii < verticesLength; ii += 2) {
+					for (int ii = 0; ii + 1 < verticesLength; ii += 2) {
 						float vx = vertices[ii], vy = vertices[ii + 1];
 						minX = Math.Min(minX, vx);
 						minY = Math.Min(minY, vy);

SpineViewer/App.xaml.cs

@@ -1,10 +1,13 @@
 using NLog;
+using SpineViewer.Natives;
 using SpineViewer.Views;
 using System.Collections.Frozen;
 using System.Configuration;
 using System.Data;
 using System.Diagnostics;
 using System.Globalization;
+using System.IO;
+using System.IO.Pipes;
 using System.Reflection;
 using System.Windows;
 
@@ -15,15 +18,24 @@ namespace SpineViewer
     /// </summary>
     public partial class App : Application
     {
-        public static string Version => Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+        public const string ProgId = "SpineViewer.skel";
+
+        public static readonly string ProcessPath = Environment.ProcessPath;
+        public static readonly string ProcessDirectory = Path.GetDirectoryName(Environment.ProcessPath);
+        public static readonly string ProcessName = Process.GetCurrentProcess().ProcessName;
+        public static readonly string Version = Assembly.GetExecutingAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+
+        private const string MutexName = "SpineViewerInstance";
+        private const string PipeName = "SpineViewerPipe";
 
         private static readonly Logger _logger;
+        private static readonly Mutex _instanceMutex;
 
         static App()
         {
             InitializeLogConfiguration();
             _logger = LogManager.GetCurrentClassLogger();
-            _logger.Info("Application Started");
+            _logger.Info("Application Started, v{0}", Version);
 
             AppDomain.CurrentDomain.UnhandledException += (s, e) =>
             {
@@ -35,6 +47,17 @@ namespace SpineViewer
                 _logger.Error("Unobserved task exception: {0}", e.Exception.Message);
                 e.SetObserved();
             };
+
+            // 单例模式加 IPC 通信
+            _instanceMutex = new Mutex(true, MutexName, out var createdNew);
+            if (!createdNew)
+            {
+                ShowExistedInstance();
+                SendCommandLineArgs();
+                Environment.Exit(0); // 不再启动新实例
+                return;
+            }
+            StartPipeServer();
         }
 
         private static void InitializeLogConfiguration()
@@ -50,7 +73,9 @@ namespace SpineViewer
                 ArchiveNumbering = NLog.Targets.ArchiveNumberingMode.Rolling,
                 ArchiveAboveSize = 1048576,
                 MaxArchiveFiles = 5,
-                Layout = "${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${level:uppercase=true} - ${callsite-filename:includeSourcePath=false}:${callsite-linenumber} - ${message}"
+                Layout = "${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${level:uppercase=true} - ${processid} - ${callsite-filename:includeSourcePath=false}:${callsite-linenumber} - ${message}",
+                ConcurrentWrites = true,
+                KeepFileOpen = false,
             };
 
             config.AddTarget(fileTarget);
@@ -58,20 +83,113 @@ namespace SpineViewer
             LogManager.Configuration = config;
         }
 
+        private static void ShowExistedInstance()
+        {
+            try
+            {
+                // 2. 遍历同名进程
+                var processes = Process.GetProcessesByName(ProcessName);
+                foreach (var p in processes)
+                {
+                    // 跳过当前进程
+                    if (p.Id == Process.GetCurrentProcess().Id)
+                        continue;
+
+                    IntPtr hWnd = p.MainWindowHandle;
+                    if (hWnd != IntPtr.Zero)
+                    {
+                        // 3. 显示并置顶窗口
+                        if (User32.IsIconic(hWnd))
+                        {
+                            User32.ShowWindow(hWnd, User32.SW_RESTORE);
+                        }
+                        User32.SetForegroundWindow(hWnd);
+                        break; // 找到一个就可以退出
+                    }
+                }
+            }
+            catch
+            {
+                // 忽略异常，不影响当前进程退出
+            }
+        }
+
+        private static void SendCommandLineArgs()
+        {
+            var args = Environment.GetCommandLineArgs().Skip(1).ToArray();
+            if (args.Length <= 0)
+                return;
+
+            _logger.Info("Send command line args to existed instance, \"{0}\"", string.Join(", ", args));
+            try
+            {
+                // 已有实例在运行，把参数通过命名管道发过去
+                using (var client = new NamedPipeClientStream(".", PipeName, PipeDirection.Out))
+                {
+                    client.Connect(10000); // 10 秒超时
+                    using (var writer = new StreamWriter(client))
+                    {
+                        foreach (var v in args)
+                        {
+                            writer.WriteLine(v);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                _logger.Error("Failed to pass command line args to existed instance, {0}", ex.Message);
+            }
+        }
+
+        private static void StartPipeServer()
+        {
+            var t = new Task(() =>
+            {
+                while (Current is null) Thread.Sleep(10);
+                while (true)
+                {
+                    var windowCreated = false;
+                    Current.Dispatcher.Invoke(() => windowCreated = Current.MainWindow is MainWindow);
+                    if (windowCreated)
+                        break;
+                    else
+                        Thread.Sleep(100);
+                }
+                while (true)
+                {
+                    using (var server = new NamedPipeServerStream(PipeName, PipeDirection.In))
+                    {
+                        server.WaitForConnection();
+                        using (var reader = new StreamReader(server))
+                        {
+                            var args = new List<string>();
+                            string? line;
+                            while ((line = reader.ReadLine()) != null)
+                                args.Add(line);
+
+                            if (args.Count > 0)
+                            {
+                                Current.Dispatcher.Invoke(() => ((MainWindow)Current.MainWindow).OpenFiles(args));
+                            }
+                        }
+                    }
+                }
+            }, default, TaskCreationOptions.LongRunning);
+            t.Start();
+        }
+
         protected override void OnStartup(StartupEventArgs e)
         {
+            // 正式启动窗口
             base.OnStartup(e);
-
-            var dict = new ResourceDictionary();
-
             var uiCulture = CultureInfo.CurrentUICulture.Name.ToLowerInvariant();
             _logger.Info("Current UI Culture: {0}", uiCulture);
 
             if (uiCulture.StartsWith("zh")) { } // 默认就是中文, 无需操作
             else if (uiCulture.StartsWith("ja")) Language = AppLanguage.JA;
             else Language = AppLanguage.EN;
-
-            Resources.MergedDictionaries.Add(dict);
         }
 
         private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)

SpineViewer/Extensions/SpineObjectExtension.cs

@@ -21,6 +21,8 @@ namespace SpineViewer.Extensions
             foreach (var tr in self.AnimationState.IterTracks().Where(t => t is not null))
             {
                 var t = spineObject.AnimationState.SetAnimation(tr!.TrackIndex, tr.Animation, tr.Loop);
+                t.TimeScale = tr.TimeScale;
+                t.Alpha = tr.Alpha;
                 if (keepTrackTime)
                     t.TrackTime = tr.TrackTime;
             }
@@ -38,7 +40,8 @@ namespace SpineViewer.Extensions
             foreach (var e in self.AnimationState.IterTracks())
             {
                 if (e is not null)
-                    self.AnimationState.SetAnimation(e.TrackIndex, e.Animation, e.Loop);
+                    e.TrackTime = 0; // 直接重置时间能保留原本的 TrackEntry
+                    //self.AnimationState.SetAnimation(e.TrackIndex, e.Animation, e.Loop);
             }
             self.Update(0);
         }
@@ -65,7 +68,7 @@ namespace SpineViewer.Extensions
         /// <summary>
         /// 按给定的帧率获取所有轨道第一个条目动画全时长包围盒大小, 是一个耗时操作, 如果可能的话最好缓存结果
         /// </summary>
-        public static Rect GetAnimationBounds(this SpineObject self, float fps = 10)
+        public static Rect GetAnimationBounds(this SpineObject self, float fps = 30)
         {
             using var copy = self.Copy();
             var bounds = copy.GetCurrentBounds();

SpineViewer/Models/LastStateModel.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media;
+
+namespace SpineViewer.Models
+{
+    public class LastStateModel
+    {
+        #region 画面布局状态
+
+        public double WindowLeft { get; set; }
+        public double WindowTop { get; set; }
+        public double WindowWidth { get; set; }
+        public double WindowHeight { get; set; }
+        public WindowState WindowState { get; set; }
+        
+        public double RootGridCol0Width { get; set; }
+        public double ModelListRow0Height { get; set; }
+        public double ExplorerGridRow0Height { get; set; }
+        public double RightPanelGridRow0Height { get; set; }
+
+        #endregion
+
+        #region 预览画面状态
+
+        public uint ResolutionX { get; set; } = 1500;
+        public uint ResolutionY { get; set; } = 1000;
+        public uint MaxFps { get; set; } = 30;
+        public float Speed { get; set; } = 1f;
+        public bool ShowAxis { get; set; } = true;
+        public Color BackgroundColor { get; set; } = Color.FromRgb(105, 105, 105);
+        public Stretch BackgroundImageMode { get; set; } = Stretch.Uniform;
+
+        #endregion
+
+    }
+}

SpineViewer/Models/PreferenceModel.cs

@@ -73,9 +73,15 @@ namespace SpineViewer.Models
 
         #region 程序选项
 
+        [ObservableProperty]
+        private bool _wallpaperView;
+
         [ObservableProperty]
         private bool _renderSelectedOnly;
 
+        [ObservableProperty]
+        private bool _associateFileSuffix;
+
         [ObservableProperty]
         private AppLanguage _appLanguage;
 

SpineViewer/Models/SpineObjectConfigModel.cs

@@ -17,6 +17,8 @@ namespace SpineViewer.Models
 
         public string Physics { get; set; } = ISkeleton.Physics.Update.ToString();
 
+        public float TimeScale { get; set; } = 1f;
+
         public float Scale { get; set; } = 1f;
 
         public bool FlipX { get; set; }
@@ -33,7 +35,7 @@ namespace SpineViewer.Models
 
         public List<string> DisabledSlots { get; set; } = [];
 
-        public List<string?> Animations { get; set; } = [];
+        public List<TrackConfigModel?> Animations { get; set; } = [];
 
         public bool DebugTexture { get; set; } = true;
 
@@ -54,5 +56,15 @@ namespace SpineViewer.Models
         public bool DebugPoints { get; set; }
 
         public bool DebugClippings { get; set; }
+
+    }
+
+    public class TrackConfigModel
+    {
+        public string AnimationName { get; set; } = "";
+
+        public float TimeScale { get; set; } = 1f;
+
+        public float Alpha { get; set; } = 1f;
     }
 }

SpineViewer/Models/SpineObjectModel.cs

@@ -89,7 +89,7 @@ namespace SpineViewer.Models
 
         public event EventHandler<SlotAttachmentChangedEventArgs>? SlotAttachmentChanged;
 
-        public event EventHandler<AnimationChangedEventArgs>? AnimationChanged;
+        public event EventHandler<TrackPropertyChangedEventArgs>? TrackPropertyChanged;
 
         public SpineVersion Version => _spineObject.Version;
 
@@ -129,6 +129,12 @@ namespace SpineViewer.Models
             set { lock (_lock) SetProperty(_spineObject.Physics, value, v => _spineObject.Physics = v); }
         }
 
+        public float TimeScale
+        {
+            get { lock (_lock) return _spineObject.AnimationState.TimeScale; }
+            set { lock (_lock) SetProperty(_spineObject.AnimationState.TimeScale, Math.Clamp(value, 0.01f, 100f), v => _spineObject.AnimationState.TimeScale = v); }
+        }
+
         /// <summary>
         /// 缩放倍数, 绝对值大小, 两个方向大小不一致时返回 -1, 设置时不会影响正负号
         /// </summary>
@@ -248,15 +254,59 @@ namespace SpineViewer.Models
         public void SetAnimation(int index, string name)
         {
             bool changed = false;
+            float lastTimeScale = 1f;
+            float lastAlpha = 1f;
             lock (_lock)
             {
                 if (_spineObject.Data.AnimationsByName.ContainsKey(name))
                 {
-                    _spineObject.AnimationState.SetAnimation(index, name, true);
+                    // 需要记录之前的轨道属性值并还原
+                    if (_spineObject.AnimationState.GetCurrent(index) is ITrackEntry entry)
+                    {
+                        lastTimeScale = entry.TimeScale;
+                        lastAlpha = entry.Alpha;
+                    }
+                    entry = _spineObject.AnimationState.SetAnimation(index, name, true);
+                    entry.TimeScale = lastTimeScale;
+                    entry.Alpha = lastAlpha;
                     changed = true;
                 }
             }
-            if (changed) AnimationChanged?.Invoke(this, new(index, name));
+            if (changed) TrackPropertyChanged?.Invoke(this, new(index, nameof(TrackPropertyChangedEventArgs.AnimationName)));
+        }
+
+        public float GetTrackTimeScale(int index)
+        {
+            lock (_lock) return _spineObject.AnimationState.GetCurrent(index)?.TimeScale ?? 1;
+        }
+
+        public void SetTrackTimeScale(int index, float scale)
+        {
+            lock (_lock)
+            {
+                if (_spineObject.AnimationState.GetCurrent(index) is ITrackEntry entry)
+                {
+                    entry.TimeScale = Math.Clamp(scale, 0.01f, 100f);
+                    TrackPropertyChanged?.Invoke(this, new(index, nameof(TrackPropertyChangedEventArgs.TimeScale)));
+                }
+            }
+        }
+
+        public float GetTrackAlpha(int index)
+        {
+            lock (_lock) return _spineObject.AnimationState.GetCurrent(index)?.Alpha ?? 1;
+        }
+
+        public void SetTrackAlpha(int index, float alpha)
+        {
+            lock (_lock)
+            {
+                if (_spineObject.AnimationState.GetCurrent(index) is ITrackEntry entry)
+                {
+                    entry.Alpha = Math.Clamp(alpha, 0f, 1f);
+                    TrackPropertyChanged?.Invoke(this, new(index, nameof(TrackPropertyChangedEventArgs.Alpha)));
+                }
+            }
         }
 
         public int[] GetTrackIndices()
@@ -277,7 +327,7 @@ namespace SpineViewer.Models
         public void ClearTrack(int index)
         {
             lock (_lock) _spineObject.AnimationState.ClearTrack(index);
-            AnimationChanged?.Invoke(this, new(index, null));
+            TrackPropertyChanged?.Invoke(this, new(index, nameof(TrackPropertyChangedEventArgs.AnimationName)));
         }
 
         public void ResetAnimationsTime()
@@ -388,6 +438,7 @@ namespace SpineViewer.Models
 
                         UsePma = _spineObject.UsePma,
                         Physics = _spineObject.Physics.ToString(),
+                        TimeScale = _spineObject.AnimationState.TimeScale,
 
                         DebugTexture = _spineObject.DebugTexture,
                         DebugBounds = _spineObject.DebugBounds,
@@ -408,7 +459,22 @@ namespace SpineViewer.Models
                     config.DisabledSlots = _spineObject.Skeleton.Slots.Where(it => it.Disabled).Select(it => it.Name).ToList();
 
                     // XXX: 处理空动画
-                    config.Animations.AddRange(_spineObject.AnimationState.IterTracks().Select(tr => tr?.Animation.Name));
+                    foreach (var tr in _spineObject.AnimationState.IterTracks())
+                    {
+                        if (tr is not null)
+                        {
+                            config.Animations.Add(new()
+                            {
+                                AnimationName = tr.Animation.Name,
+                                TimeScale = tr.TimeScale,
+                                Alpha = tr.Alpha
+                            });
+                        }
+                        else
+                        {
+                            config.Animations.Add(null);
+                        }
+                    }
 
                     return config;
                 }
@@ -427,6 +493,7 @@ namespace SpineViewer.Models
                     SetProperty(_spineObject.Skeleton.Y, value.Y, v => _spineObject.Skeleton.Y = v, nameof(Y));
                     SetProperty(_spineObject.UsePma, value.UsePma, v => _spineObject.UsePma = v, nameof(UsePma));
                     SetProperty(_spineObject.Physics, Enum.Parse<ISkeleton.Physics>(value.Physics ?? "Update", true), v => _spineObject.Physics = v, nameof(Physics));
+                    SetProperty(_spineObject.AnimationState.TimeScale, value.TimeScale, v => _spineObject.AnimationState.TimeScale = v, nameof(TimeScale));
 
                     foreach (var name in _spineObject.Data.Skins.Select(v => v.Name).Except(value.LoadedSkins))
                         if (_spineObject.SetSkinStatus(name, false))
@@ -446,11 +513,15 @@ namespace SpineViewer.Models
                     // XXX: 处理空动画
                     _spineObject.AnimationState.ClearTracks();
                     int trackIndex = 0;
-                    foreach (var name in value.Animations)
+                    foreach (var trConfig in value.Animations)
                     {
-                        if (!string.IsNullOrEmpty(name))
-                            _spineObject.AnimationState.SetAnimation(trackIndex, name, true);
-                        AnimationChanged?.Invoke(this, new(trackIndex, name));
+                        if (trConfig is not null && !string.IsNullOrEmpty(trConfig.AnimationName))
+                        {
+                            var tr = _spineObject.AnimationState.SetAnimation(trackIndex, trConfig.AnimationName, true);
+                            tr.TimeScale = trConfig.TimeScale;
+                            tr.Alpha = trConfig.Alpha;
+                            TrackPropertyChanged?.Invoke(this, new(trackIndex, nameof(TrackPropertyChangedEventArgs.AnimationName)));
+                        }
                         trackIndex++;
                     }
 
@@ -540,10 +611,23 @@ namespace SpineViewer.Models
         public string? AttachmentName { get; } = attachmentName;
     }
 
-    public class AnimationChangedEventArgs(int trackIndex, string? animationName) : EventArgs
+    /// <summary>
+    /// 模型动画轨道属性变化事件参数, 需要检索 <c><see cref="PropertyName"/></c> 来确定发生变化的属性是什么
+    /// </summary>
+    /// <param name="trackIndex">发生属性变化的轨道索引</param>
+    /// <param name="propertyName">使用 <c>nameof</c> 设置发生改变的属性名</param>
+    public class TrackPropertyChangedEventArgs(int trackIndex, string propertyName) : EventArgs
     {
         public int TrackIndex { get; } = trackIndex;
-        public string? AnimationName { get; } = animationName;
+
+        /// <summary>
+        /// 发生变化的属性名, 将会使用 <c>nameof</c> 设置为属性名称字符串
+        /// </summary>
+        public string PropertyName { get; } = propertyName;
+
+        public string? AnimationName { get; }
+        public float TimeScale { get; } = 1f;
+        public float Alpha { get; } = 1f;
     }
 
     public class SpineObjectLoadOptions

SpineViewer/Models/WorkspaceModel.cs

@@ -43,10 +43,9 @@ namespace SpineViewer.Models
 
         public Color BackgroundColor { get; set; }
 
-        // TODO: 背景图片
-        //public string? BackgroundImagePath { get; set; }
+        public string BackgroundImagePath { get; set; }
 
-        //public ? BackgroundImageDisplayMode { get; set; }
+        public Stretch BackgroundImageMode { get; set; } = Stretch.Uniform;
     }
 
     public class SpineObjectWorkspaceConfigModel

SpineViewer/Natives/Gdi32.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SpineViewer.Natives
+{
+    /// <summary>
+    /// gdi32.dll 包装类
+    /// </summary>
+    public static class Gdi32
+    {
+        [DllImport("gdi32.dll", SetLastError = true)]
+        public static extern IntPtr CreateCompatibleDC(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        public static extern bool DeleteDC(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        public static extern IntPtr SelectObject(IntPtr hdc, IntPtr hgdiobj);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        public static extern bool DeleteObject(IntPtr hObject);
+    }
+}

SpineViewer/Natives/Shell32.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SpineViewer.Natives
+{
+    /// <summary>
+    /// shell32.dll 包装类
+    /// </summary>
+    public static class Shell32
+    {
+        private const uint SHCNE_ASSOCCHANGED = 0x08000000;
+        private const uint SHCNF_IDLIST = 0x0000;
+
+        [DllImport("shell32.dll")]
+        private static extern void SHChangeNotify(uint wEventId, uint uFlags, IntPtr dwItem1, IntPtr dwItem2);
+
+        public static void NotifyAssociationChanged()
+        {
+            SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
+        }
+    }
+}

SpineViewer/Natives/User32.cs

@@ -0,0 +1,357 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace SpineViewer.Natives
+{
+    /// <summary>
+    /// user32.dll 包装类
+    /// </summary>
+    public static class User32
+    {
+        public const int GWL_STYLE = -16;
+        public const int WS_OVERLAPPED = 0x00000000;
+        public const int WS_POPUP = unchecked((int)0x80000000);
+        public const int WS_CHILD = 0x40000000;
+        public const int WS_MINIMIZE = 0x20000000;
+        public const int WS_VISIBLE = 0x10000000;
+        public const int WS_DISABLED = 0x08000000;
+        public const int WS_CLIPSIBLINGS = 0x04000000;
+        public const int WS_CLIPCHILDREN = 0x02000000;
+        public const int WS_MAXIMIZE = 0x01000000;
+        public const int WS_BORDER = 0x00800000;
+        public const int WS_DLGFRAME = 0x00400000;
+        public const int WS_VSCROLL = 0x00200000;
+        public const int WS_HSCROLL = 0x00100000;
+        public const int WS_SYSMENU = 0x00080000;
+        public const int WS_THICKFRAME = 0x00040000;
+        public const int WS_GROUP = 0x00020000;
+        public const int WS_TABSTOP = 0x00010000;
+        public const int WS_MINIMIZEBOX = 0x00020000;
+        public const int WS_MAXIMIZEBOX = 0x00010000;
+        public const int WS_CHILDWINDOW = WS_CHILD;
+        public const int WS_CAPTION = WS_BORDER | WS_DLGFRAME;
+        public const int WS_TILED = WS_OVERLAPPED;
+        public const int WS_ICONIC = WS_MINIMIZE;
+        public const int WS_SIZEBOX = WS_THICKFRAME;
+        public const int WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
+        public const int WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
+        public const int WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU;
+
+        public const int GWL_EXSTYLE = -20;
+        public const int WS_EX_DLGMODALFRAME = 0x00000001;
+        public const int WS_EX_NOPARENTNOTIFY = 0x00000004;
+        public const int WS_EX_TOPMOST = 0x00000008;
+        public const int WS_EX_ACCEPTFILES = 0x00000010;
+        public const int WS_EX_TRANSPARENT = 0x00000020;
+        public const int WS_EX_MDICHILD = 0x00000040;
+        public const int WS_EX_TOOLWINDOW = 0x00000080;
+        public const int WS_EX_WINDOWEDGE = 0x00000100;
+        public const int WS_EX_CLIENTEDGE = 0x00000200;
+        public const int WS_EX_CONTEXTHELP = 0x00000400;
+        public const int WS_EX_RIGHT = 0x00001000;
+        public const int WS_EX_LEFT = 0x00000000;
+        public const int WS_EX_RTLREADING = 0x00002000;
+        public const int WS_EX_LTRREADING = 0x00000000;
+        public const int WS_EX_LEFTSCROLLBAR = 0x00004000;
+        public const int WS_EX_RIGHTSCROLLBAR = 0x00000000;
+        public const int WS_EX_CONTROLPARENT = 0x00010000;
+        public const int WS_EX_STATICEDGE = 0x00020000;
+        public const int WS_EX_APPWINDOW = 0x00040000;
+        public const int WS_EX_OVERLAPPEDWINDOW = WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE;
+        public const int WS_EX_PALETTEWINDOW = WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST;
+        public const int WS_EX_LAYERED = 0x00080000;
+        public const int WS_EX_NOINHERITLAYOUT = 0x00100000;
+        public const int WS_EX_LAYOUTRTL = 0x00400000; 
+        public const int WS_EX_COMPOSITED = 0x02000000;
+        public const int WS_EX_NOACTIVATE = 0x08000000;
+
+        public const uint LWA_COLORKEY = 0x1;
+        public const uint LWA_ALPHA = 0x2;
+
+        public const byte AC_SRC_OVER = 0x00;
+        public const byte AC_SRC_ALPHA = 0x01;
+
+        public const int ULW_COLORKEY = 0x00000001;
+        public const int ULW_ALPHA = 0x00000002;
+        public const int ULW_OPAQUE = 0x00000004;
+
+        public const IntPtr HWND_TOPMOST = -1;
+
+        public const uint SWP_ASYNCWINDOWPOS = 0x4000;
+        public const uint SWP_DEFERERASE = 0x2000;
+        public const uint SWP_NOSENDCHANGING = 0x0400;
+        public const uint SWP_NOOWNERZORDER = 0x0200;
+        public const uint SWP_NOREPOSITION = 0x0200;
+        public const uint SWP_NOCOPYBITS = 0x0100;
+        public const uint SWP_HIDEWINDOW = 0x0080;
+        public const uint SWP_SHOWWINDOW = 0x0040;
+        public const uint SWP_DRAWFRAME = 0x0020;
+        public const uint SWP_FRAMECHANGED = 0x0020;
+        public const uint SWP_NOACTIVATE = 0x0010;
+        public const uint SWP_NOREDRAW = 0x0008;
+        public const uint SWP_NOZORDER = 0x0004;
+        public const uint SWP_NOMOVE = 0x0002;
+        public const uint SWP_NOSIZE = 0x0001;
+
+        public const int WM_SPAWN_WORKER = 0x052C; // 一个未公开的神秘消息
+
+        public const uint SMTO_NORMAL = 0x0000;
+        public const uint SMTO_BLOCK = 0x0001;
+        public const uint SMTO_ABORTIFHUNG = 0x0002;
+        public const uint SMTO_NOTIMEOUTIFNOTHUNG = 0x0008;
+
+        public const uint GA_PARENT = 1;
+
+        public const uint GW_OWNER = 4;
+
+        public const int SW_HIDE = 0;
+        public const int SW_SHOWNORMAL = 1;
+        public const int SW_SHOWMINIMIZED = 2;
+        public const int SW_SHOWMAXIMIZED = 3;
+        public const int SW_SHOWNOACTIVATE = 4;
+        public const int SW_SHOW = 5;
+        public const int SW_MINIMIZE = 6;
+        public const int SW_SHOWMINNOACTIVE = 7;
+        public const int SW_SHOWNA = 8;
+        public const int SW_RESTORE = 9;
+        public const int SW_SHOWDEFAULT = 10;
+
+        public const uint MONITOR_DEFAULTTONULL = 0;
+        public const uint MONITOR_DEFAULTTOPRIMARY = 1;
+        public const uint MONITOR_DEFAULTTONEAREST = 2;
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct POINT
+        {
+            public int x;
+            public int y;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct SIZE
+        {
+            public int cx;
+            public int cy;
+        }
+
+        [StructLayout(LayoutKind.Sequential, Pack = 1)]
+        public struct BLENDFUNCTION
+        {
+            public byte BlendOp;
+            public byte BlendFlags;
+            public byte SourceConstantAlpha;
+            public byte AlphaFormat;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct LASTINPUTINFO
+        {
+            public uint cbSize;
+            public uint dwTime;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        public struct RECT
+        {
+            public int Left;
+            public int Top;
+            public int Right;
+            public int Bottom;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct MONITORINFOEX
+        {
+            public uint cbSize;
+            public RECT rcMonitor;
+            public RECT rcWork;
+            public uint dwFlags;
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
+            public string szDevice;
+        }
+
+        public delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr GetDC(IntPtr hWnd);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool GetLayeredWindowAttributes(IntPtr hWnd, ref uint crKey, ref byte bAlpha, ref uint dwFlags);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool SetLayeredWindowAttributes(IntPtr hWnd, uint pcrKey, byte pbAlpha, uint pdwFlags);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool UpdateLayeredWindow(IntPtr hWnd, IntPtr hdcDst, IntPtr pptDst, ref SIZE psize, IntPtr hdcSrc, ref POINT pptSrc, int crKey, ref BLENDFUNCTION pblend, int dwFlags);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern uint GetDoubleClickTime();
+
+        [DllImport("user32.dll", SetLastError = true)]
+        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr SendMessageTimeout(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam, uint fuFlags, uint uTimeout, out IntPtr lpdwResult);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, string windowTitle);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr SetParent(IntPtr hWndChild, IntPtr hWndNewParent);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr GetParent(IntPtr hWnd);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr GetAncestor(IntPtr hWnd, uint gaFlags);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
+
+        [DllImport("user32.dll")]
+        public static extern bool EnumWindows(EnumWindowsProc enumProc, IntPtr lParam);
+
+        [DllImport("User32.dll")]
+        public static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("user32.dll")]
+        public static extern bool IsIconic(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        public static extern bool SetForegroundWindow(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        private static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags);
+
+        [DllImport("user32.dll")]
+        private static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFOEX lpmi);
+
+        [DllImport("user32.dll")]
+        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
+
+        [DllImport("user32.dll")]
+        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
+
+        public static TimeSpan GetLastInputElapsedTime()
+        {
+            LASTINPUTINFO lastInputInfo = new();
+            lastInputInfo.cbSize = (uint)Marshal.SizeOf(lastInputInfo);
+
+            uint idleTimeMillis = 1000;
+            if (GetLastInputInfo(ref lastInputInfo))
+            {
+                uint tickCount = (uint)Environment.TickCount;
+                uint lastInputTick = lastInputInfo.dwTime;
+                idleTimeMillis = tickCount - lastInputTick;
+            }
+            return TimeSpan.FromMilliseconds(idleTimeMillis);
+        }
+
+        public static IntPtr GetWorkerW()
+        {
+            // NOTE: Codes borrowed from @rocksdanister/lively
+
+            var progman = FindWindow("Progman", null);
+            if (progman == IntPtr.Zero)
+                return IntPtr.Zero;
+
+            // Send 0x052C to Progman. This message directs Progman to spawn a 
+            // WorkerW behind the desktop icons. If it is already there, nothing 
+            // happens.
+            SendMessageTimeout(progman, WM_SPAWN_WORKER, 0, 0, SMTO_NORMAL, 1000, out _);
+
+            // Spy++ output
+            // .....
+            // 0x00010190 "" WorkerW
+            //   ...
+            //   0x000100EE "" SHELLDLL_DefView
+            //     0x000100F0 "FolderView" SysListView32
+            // 0x00100B8A "" WorkerW       <-- This is the WorkerW instance we are after!
+            // 0x000100EC "Program Manager" Progman
+            var workerw = IntPtr.Zero;
+
+            // We enumerate all Windows, until we find one, that has the SHELLDLL_DefView 
+            // as a child. 
+            // If we found that window, we take its next sibling and assign it to workerw.
+            EnumWindows(new EnumWindowsProc((tophandle, topparamhandle) =>
+            {
+                IntPtr p = FindWindowEx(tophandle, IntPtr.Zero, "SHELLDLL_DefView", null);
+
+                if (p != IntPtr.Zero)
+                {
+                    // Gets the WorkerW Window after the current one.
+                    workerw = FindWindowEx(IntPtr.Zero, tophandle, "WorkerW", null);
+                }
+
+                return true;
+            }), IntPtr.Zero);
+
+            // Some Windows 11 builds have a different Progman window layout.
+            // If the above code failed to find WorkerW, we should try this.
+            // Spy++ output
+            // 0x000100EC "Program Manager" Progman
+            //   0x000100EE "" SHELLDLL_DefView
+            //     0x000100F0 "FolderView" SysListView32
+            //   0x00100B8A "" WorkerW       <-- This is the WorkerW instance we are after!
+            if (workerw == IntPtr.Zero)
+            {
+                workerw = FindWindowEx(progman, IntPtr.Zero, "WorkerW", null);
+            }
+
+            Debug.WriteLine($"HWND(WorkerW): {workerw:x8}");
+            return workerw;
+        }
+
+        public static bool GetScreenResolution(IntPtr hwnd, out uint width, out uint height)
+        {
+            IntPtr hMon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
+
+            var mi = new MONITORINFOEX { cbSize = (uint)Marshal.SizeOf<MONITORINFOEX>() };
+            if (GetMonitorInfo(hMon, ref mi))
+            {
+                int widthPx = mi.rcMonitor.Right - mi.rcMonitor.Left;
+                int heightPx = mi.rcMonitor.Bottom - mi.rcMonitor.Top;
+                width = (uint)widthPx;
+                height = (uint)heightPx;
+                return true;
+            }
+            width = height = 0;
+            return false;
+        }
+
+        public static bool GetPrimaryScreenResolution(out uint width, out uint height)
+        {
+            IntPtr hMon = MonitorFromWindow(IntPtr.Zero, MONITOR_DEFAULTTOPRIMARY);
+
+            var mi = new MONITORINFOEX { cbSize = (uint)Marshal.SizeOf<MONITORINFOEX>() };
+            if (GetMonitorInfo(hMon, ref mi))
+            {
+                int widthPx = mi.rcMonitor.Right - mi.rcMonitor.Left;
+                int heightPx = mi.rcMonitor.Bottom - mi.rcMonitor.Top;
+                width = (uint)widthPx;
+                height = (uint)heightPx;
+                return true;
+            }
+            width = height = 0;
+            return false;
+        }
+    }
+}

SpineViewer/Natives/Win32.cs

@@ -1,241 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows;
-
-namespace SpineViewer.Natives
-{
-    /// <summary>
-    /// Win32 Sdk 包装类
-    /// </summary>
-    public static class Win32
-    {
-        public const int GWL_STYLE = -16;
-        public const int WS_SIZEBOX = 0x40000;
-        public const int WS_BORDER = 0x800000;
-        public const int WS_VISIBLE = 0x10000000;
-        public const int WS_CHILD = 0x40000000;
-        public const int WS_POPUP = unchecked((int)0x80000000);
-
-        public const int GWL_EXSTYLE = -20;
-        public const int WS_EX_TOPMOST = 0x8;
-        public const int WS_EX_TRANSPARENT = 0x20;
-        public const int WS_EX_TOOLWINDOW = 0x80;
-        public const int WS_EX_WINDOWEDGE = 0x100;
-        public const int WS_EX_CLIENTEDGE = 0x200;
-        public const int WS_EX_APPWINDOW = 0x40000;
-        public const int WS_EX_LAYERED = 0x80000;
-        public const int WS_EX_OVERLAPPEDWINDOW = WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE;
-        public const int WS_EX_NOACTIVATE = 0x8000000;
-
-        public const uint LWA_COLORKEY = 0x1;
-        public const uint LWA_ALPHA = 0x2;
-
-        public const byte AC_SRC_OVER = 0x00;
-        public const byte AC_SRC_ALPHA = 0x01;
-
-        public const int ULW_COLORKEY = 0x00000001;
-        public const int ULW_ALPHA = 0x00000002;
-        public const int ULW_OPAQUE = 0x00000004;
-
-        public const nint HWND_TOPMOST = -1;
-
-        public const uint SWP_NOSIZE = 0x0001;
-        public const uint SWP_NOMOVE = 0x0002;
-        public const uint SWP_NOZORDER = 0x0004;
-        public const uint SWP_FRAMECHANGED = 0x0020;
-
-        public const int WM_SPAWN_WORKER = 0x052C; // 一个未公开的神秘消息
-
-        public const uint SMTO_NORMAL = 0x0000;
-        public const uint SMTO_BLOCK = 0x0001;
-        public const uint SMTO_ABORTIFHUNG = 0x0002;
-        public const uint SMTO_NOTIMEOUTIFNOTHUNG = 0x0008;
-
-        public const uint GA_PARENT = 1;
-
-        public const uint GW_OWNER = 4;
-
-        public const int SW_HIDE = 0;
-        public const int SW_SHOWNORMAL = 1;
-        public const int SW_SHOWMINIMIZED = 2;
-        public const int SW_SHOWMAXIMIZED = 3;
-        public const int SW_SHOWNOACTIVATE = 4;
-        public const int SW_SHOW = 5;
-        public const int SW_MINIMIZE = 6;
-        public const int SW_SHOWMINNOACTIVE = 7;
-        public const int SW_SHOWNA = 8;
-        public const int SW_RESTORE = 9;
-        public const int SW_SHOWDEFAULT = 10;
-
-        public const uint MONITOR_DEFAULTTONEAREST = 2;
-
-        [StructLayout(LayoutKind.Sequential)]
-        public struct POINT
-        {
-            public int x;
-            public int y;
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        public struct SIZE
-        {
-            public int cx;
-            public int cy;
-        }
-
-        [StructLayout(LayoutKind.Sequential, Pack = 1)]
-        public struct BLENDFUNCTION
-        {
-            public byte BlendOp;
-            public byte BlendFlags;
-            public byte SourceConstantAlpha;
-            public byte AlphaFormat;
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        private struct LASTINPUTINFO
-        {
-            public uint cbSize;
-            public uint dwTime;
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        public struct RECT
-        {
-            public int Left;
-            public int Top;
-            public int Right;
-            public int Bottom;
-        }
-
-        [StructLayout(LayoutKind.Sequential)]
-        private struct MONITORINFOEX
-        {
-            public uint cbSize;
-            public RECT rcMonitor;
-            public RECT rcWork;
-            public uint dwFlags;
-            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
-            public string szDevice;
-        }
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint GetDC(nint hWnd);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern int ReleaseDC(nint hWnd, nint hDC);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern int SetWindowLong(nint hWnd, int nIndex, int dwNewLong);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern int GetWindowLong(nint hWnd, int nIndex);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern bool GetLayeredWindowAttributes(nint hWnd, ref uint crKey, ref byte bAlpha, ref uint dwFlags);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern bool SetLayeredWindowAttributes(nint hWnd, uint pcrKey, byte pbAlpha, uint pdwFlags);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern bool UpdateLayeredWindow(nint hWnd, nint hdcDst, nint pptDst, ref SIZE psize, nint hdcSrc, ref POINT pptSrc, int crKey, ref BLENDFUNCTION pblend, int dwFlags);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern bool SetWindowPos(nint hWnd, nint hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern uint GetDoubleClickTime();
-
-        [DllImport("user32.dll", SetLastError = true)]
-        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint FindWindow(string lpClassName, string lpWindowName);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint SendMessageTimeout(nint hWnd, uint Msg, nint wParam, nint lParam, uint fuFlags, uint uTimeout, out nint lpdwResult);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint FindWindowEx(nint parentHandle, nint childAfter, string className, string windowTitle);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint SetParent(nint hWndChild, nint hWndNewParent);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint GetParent(nint hWnd);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint GetAncestor(nint hWnd, uint gaFlags);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern nint GetWindow(nint hWnd, uint uCmd);
-
-        [DllImport("user32.dll", SetLastError = true)]
-        public static extern bool ShowWindow(nint hWnd, int nCmdShow);
-
-        [DllImport("gdi32.dll", SetLastError = true)]
-        public static extern nint CreateCompatibleDC(nint hdc);
-
-        [DllImport("gdi32.dll", SetLastError = true)]
-        public static extern bool DeleteDC(nint hdc);
-
-        [DllImport("gdi32.dll", SetLastError = true)]
-        public static extern nint SelectObject(nint hdc, nint hgdiobj);
-
-        [DllImport("gdi32.dll", SetLastError = true)]
-        public static extern bool DeleteObject(nint hObject);
-
-        [DllImport("user32.dll")]
-        private static extern IntPtr MonitorFromWindow(IntPtr hwnd, uint dwFlags);
-
-        [DllImport("user32.dll")]
-        private static extern bool GetMonitorInfo(IntPtr hMonitor, ref MONITORINFOEX lpmi);
-
-        public static TimeSpan GetLastInputElapsedTime()
-        {
-            LASTINPUTINFO lastInputInfo = new();
-            lastInputInfo.cbSize = (uint)Marshal.SizeOf(lastInputInfo);
-
-            uint idleTimeMillis = 1000;
-            if (GetLastInputInfo(ref lastInputInfo))
-            {
-                uint tickCount = (uint)Environment.TickCount;
-                uint lastInputTick = lastInputInfo.dwTime;
-                idleTimeMillis = tickCount - lastInputTick;
-            }
-            return TimeSpan.FromMilliseconds(idleTimeMillis);
-        }
-
-        public static nint GetWorkerW()
-        {
-            var progman = FindWindow("Progman", null);
-            if (progman == nint.Zero)
-                return nint.Zero;
-            nint hWnd = FindWindowEx(progman, 0, "WorkerW", null);
-            Debug.WriteLine($"HWND(Progman.WorkerW): {hWnd:x8}");
-            return hWnd;
-        }
-
-        public static bool GetScreenResolution(IntPtr hwnd, out uint width, out uint height)
-        {
-            IntPtr hMon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
-
-            var mi = new MONITORINFOEX { cbSize = (uint)Marshal.SizeOf<MONITORINFOEX>() };
-            if (GetMonitorInfo(hMon, ref mi))
-            {
-                int widthPx = mi.rcMonitor.Right - mi.rcMonitor.Left;
-                int heightPx = mi.rcMonitor.Bottom - mi.rcMonitor.Top;
-                width = (uint)widthPx;
-                height = (uint)heightPx;
-                return true;
-            }
-            width = height = 0;
-            return false;
-        }
-    }
-}

SpineViewer/Resources/AppResource.cs

@@ -19,6 +19,8 @@ namespace SpineViewer.Resources
         public static string Str_GeneratePreviewsTitle => Get<string>("Str_GeneratePreviewsTitle");
         public static string Str_DeletePreviewsTitle => Get<string>("Str_DeletePreviewsTitle");
         public static string Str_AddSpineObjectsTitle => Get<string>("Str_AddSpineObjectsTitle");
+        public static string Str_OpenSkelFileTitle => Get<string>("Str_OpenSkelFileTitle");
+        public static string Str_OpenAtlasFileTitle => Get<string>("Str_OpenAtlasFileTitle");
         public static string Str_ReloadSpineObjectsTitle => Get<string>("Str_ReloadSpineObjectsTitle");
         public static string Str_CustomFFmpegExporterTitle => Get<string>("Str_CustomFFmpegExporterTitle");
 

SpineViewer/Resources/Strings/en.xaml

@@ -37,8 +37,11 @@
     <s:String x:Key="Str_Show">Show</s:String>
     <s:String x:Key="Str_ListViewStatusBar">{0} items, {1} selected</s:String>
     <s:String x:Key="Str_AddSpineObject">Add...</s:String>
-    <s:String x:Key="Str_RemoveSpineObject">Remove</s:String>
+    <s:String x:Key="Str_OpenSkelFileTitle">Select Skeleton File (skel)</s:String>
+    <s:String x:Key="Str_OpenAtlasFileTitle">Select Atlas File (atlas)</s:String>
     <s:String x:Key="Str_AddSpineObjectFromClipboard">Add from Clipboard</s:String>
+    <s:String x:Key="Str_RemoveSpineObject">Remove</s:String>
+    <s:String x:Key="Str_RemoveAllSpineObject">Remove All</s:String>
     <s:String x:Key="Str_Reload">Reload</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">Move Up</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">Move Down</s:String>
@@ -64,6 +67,8 @@
     <s:String x:Key="Str_IsShown">Show</s:String>
     <s:String x:Key="Str_UsePma">Premultiply Alpha</s:String>
     <s:String x:Key="Str_Physics">Physics</s:String>
+    <s:String x:Key="Str_TimeScale">Time Scale</s:String>
+    <s:String x:Key="Str_TimeScaleTootltip">Time scale for a single model, must be positive.</s:String>
 
     <s:String x:Key="Str_Transform">Transform</s:String>
     <s:String x:Key="Str_Scale">Scale</s:String>
@@ -84,6 +89,11 @@
     <s:String x:Key="Str_Animation">Animation</s:String>
     <s:String x:Key="Str_AppendTrack">Add</s:String>
     <s:String x:Key="Str_InsertTrack">Insert</s:String>
+    <s:String x:Key="Str_ClearTrack">Clear</s:String>
+    <s:String x:Key="Str_TrackTimeScale">Time Scale</s:String>
+    <s:String x:Key="Str_TrackTimeScaleTooltip">Time scale for a single track, must be positive.</s:String>
+    <s:String x:Key="Str_TrackAlpha">Alpha Blending</s:String>
+    <s:String x:Key="Str_TrackAlphaTooltip">Value range: 0–1. Similar to image blending, controls how animations from higher-index tracks mix into lower-index tracks.</s:String>
 
     <s:String x:Key="Str_Debug">Debug</s:String>
     <s:String x:Key="Str_DebugTexture">Texture</s:String>
@@ -106,11 +116,14 @@
     <s:String x:Key="Str_Zoom">Zoom</s:String>
     <s:String x:Key="Str_Rotation">Rotation (Degrees)</s:String>
     <s:String x:Key="Str_MaxFps">Max FPS</s:String>
+    <s:String x:Key="Str_MaxFpsTooltip">Maximum frame rate of the preview. Set to 0 for no limit.</s:String>
     <s:String x:Key="Str_PlaySpeed">Playback Speed</s:String>
+    <s:String x:Key="Str_WallpaperView">Wallpaper View</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">Render Selected Only</s:String>
     <s:String x:Key="Str_ShowAxis">Show Axis</s:String>
     <s:String x:Key="Str_BackgroundColor">Background Color</s:String>
-    <s:String x:Key="Str_BackgroundImage">Background Image</s:String>
+    <s:String x:Key="Str_BackgroundImagePath">Background Image Path</s:String>
+    <s:String x:Key="Str_BackgroundImageMode">Background Image Mode</s:String>
 
     <!-- 渲染画面按钮组 -->
     <s:String x:Key="Str_StopTooltip">Stop</s:String>
@@ -221,7 +234,10 @@
 
     <s:String x:Key="Str_SpineLoadPreference">Model Loading Options</s:String>
 
+    <s:String x:Key="Str_RendererPreference">Preview Options</s:String>
+
     <s:String x:Key="Str_AppPreference">Application Options</s:String>
+    <s:String x:Key="Str_AssociateFileSuffix">Associate File Extension</s:String>
     <s:String x:Key="Str_Language">Language</s:String>
 
 </ResourceDictionary>

SpineViewer/Resources/Strings/ja.xaml

@@ -37,8 +37,11 @@
     <s:String x:Key="Str_Show">表示</s:String>
     <s:String x:Key="Str_ListViewStatusBar">全{0}件、選択中{1}件</s:String>
     <s:String x:Key="Str_AddSpineObject">追加...</s:String>
-    <s:String x:Key="Str_RemoveSpineObject">削除</s:String>
+    <s:String x:Key="Str_OpenSkelFileTitle">スケルトンファイルを選択（skel）</s:String>
+    <s:String x:Key="Str_OpenAtlasFileTitle">アトラスファイルを選択（atlas）</s:String>
     <s:String x:Key="Str_AddSpineObjectFromClipboard">クリップボードから追加</s:String>
+    <s:String x:Key="Str_RemoveSpineObject">削除</s:String>
+    <s:String x:Key="Str_RemoveAllSpineObject">すべて削除</s:String>
     <s:String x:Key="Str_Reload">再読み込み</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">上へ移動</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">下へ移動</s:String>
@@ -64,6 +67,8 @@
     <s:String x:Key="Str_IsShown">表示</s:String>
     <s:String x:Key="Str_UsePma">プレマルチプライドアルファ</s:String>
     <s:String x:Key="Str_Physics">物理</s:String>
+    <s:String x:Key="Str_TimeScale">時間スケール</s:String>
+    <s:String x:Key="Str_TimeScaleTootltip">単一モデルの時間スケール。正の値のみ指定可能です。</s:String>
 
     <s:String x:Key="Str_Transform">変換</s:String>
     <s:String x:Key="Str_Scale">スケール</s:String>
@@ -84,6 +89,11 @@
     <s:String x:Key="Str_Animation">アニメーション</s:String>
     <s:String x:Key="Str_AppendTrack">追加</s:String>
     <s:String x:Key="Str_InsertTrack">挿入</s:String>
+    <s:String x:Key="Str_ClearTrack">削除</s:String>
+    <s:String x:Key="Str_TrackTimeScale">時間スケール</s:String>
+    <s:String x:Key="Str_TrackTimeScaleTooltip">単一トラックの時間スケール。正の値のみ指定可能です。</s:String>
+    <s:String x:Key="Str_TrackAlpha">アルファ合成</s:String>
+    <s:String x:Key="Str_TrackAlphaTooltip">値の範囲：0～1。画像の合成と同様に、高インデックストラックのアニメーションが低インデックストラックにどの程度混合されるかを制御します。</s:String>
 
     <s:String x:Key="Str_Debug">デバッグ</s:String>
     <s:String x:Key="Str_DebugTexture">テクスチャ</s:String>
@@ -106,11 +116,14 @@
     <s:String x:Key="Str_Zoom">ズーム</s:String>
     <s:String x:Key="Str_Rotation">回転（度）</s:String>
     <s:String x:Key="Str_MaxFps">最大FPS</s:String>
+    <s:String x:Key="Str_MaxFpsTooltip">プレビュー画面の最大フレームレート。0 に設定すると制限なし。</s:String>
     <s:String x:Key="Str_PlaySpeed">再生速度</s:String>
+    <s:String x:Key="Str_WallpaperView">壁紙表示</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">選択のみレンダリング</s:String>
     <s:String x:Key="Str_ShowAxis">座標軸を表示</s:String>
     <s:String x:Key="Str_BackgroundColor">背景色</s:String>
-    <s:String x:Key="Str_BackgroundImage">背景画像</s:String>
+    <s:String x:Key="Str_BackgroundImagePath">背景画像のパス</s:String>
+    <s:String x:Key="Str_BackgroundImageMode">背景画像のモード</s:String>
 
     <!-- 渲染画面按钮组 -->
     <s:String x:Key="Str_StopTooltip">停止</s:String>
@@ -221,7 +234,10 @@
 
     <s:String x:Key="Str_SpineLoadPreference">モデル読み込みオプション</s:String>
 
+    <s:String x:Key="Str_RendererPreference">プレビュー画面オプション</s:String>
+
     <s:String x:Key="Str_AppPreference">アプリケーションプション</s:String>
+    <s:String x:Key="Str_AssociateFileSuffix">ファイル拡張子を関連付ける</s:String>
     <s:String x:Key="Str_Language">言語</s:String>
 
 </ResourceDictionary>

SpineViewer/Resources/Strings/zh.xaml

@@ -37,8 +37,11 @@
     <s:String x:Key="Str_Show">显示</s:String>
     <s:String x:Key="Str_ListViewStatusBar">共 {0} 项，已选择 {1} 项</s:String>
     <s:String x:Key="Str_AddSpineObject">添加...</s:String>
-    <s:String x:Key="Str_RemoveSpineObject">移除</s:String>
+    <s:String x:Key="Str_OpenSkelFileTitle">选择骨骼文件（skel）</s:String>
+    <s:String x:Key="Str_OpenAtlasFileTitle">选择图集文件（atlas）</s:String>
     <s:String x:Key="Str_AddSpineObjectFromClipboard">从剪贴板添加</s:String>
+    <s:String x:Key="Str_RemoveSpineObject">移除</s:String>
+    <s:String x:Key="Str_RemoveAllSpineObject">移除全部</s:String>
     <s:String x:Key="Str_Reload">重新加载</s:String>
     <s:String x:Key="Str_MoveUpSpineObject">上移</s:String>
     <s:String x:Key="Str_MoveDownSpineObject">下移</s:String>
@@ -64,6 +67,8 @@
     <s:String x:Key="Str_IsShown">显示</s:String>
     <s:String x:Key="Str_UsePma">预乘Alpha通道</s:String>
     <s:String x:Key="Str_Physics">物理</s:String>
+    <s:String x:Key="Str_TimeScale">时间因子</s:String>
+    <s:String x:Key="Str_TimeScaleTootltip">单个模型的时间因子，只能取正数</s:String>
 
     <s:String x:Key="Str_Transform">变换</s:String>
     <s:String x:Key="Str_Scale">缩放</s:String>
@@ -84,6 +89,11 @@
     <s:String x:Key="Str_Animation">动画</s:String>
     <s:String x:Key="Str_AppendTrack">添加</s:String>
     <s:String x:Key="Str_InsertTrack">插入</s:String>
+    <s:String x:Key="Str_ClearTrack">删除</s:String>
+    <s:String x:Key="Str_TrackTimeScale">时间因子</s:String>
+    <s:String x:Key="Str_TrackTimeScaleTooltip">单个轨道的时间因子，只能取正数</s:String>
+    <s:String x:Key="Str_TrackAlpha">Alpha 混合</s:String>
+    <s:String x:Key="Str_TrackAlphaTooltip">取值范围 0-1，与图像混合类似，可以控制高索引轨道在低索引轨道中的动画混合比例</s:String>
 
     <s:String x:Key="Str_Debug">调试</s:String>
     <s:String x:Key="Str_DebugTexture">Texture</s:String>
@@ -106,11 +116,14 @@
     <s:String x:Key="Str_Zoom">缩放</s:String>
     <s:String x:Key="Str_Rotation">旋转（角度）</s:String>
     <s:String x:Key="Str_MaxFps">最大帧率</s:String>
+    <s:String x:Key="Str_MaxFpsTooltip">预览画面的最大帧率，设置为 0 时则无帧率限制</s:String>
     <s:String x:Key="Str_PlaySpeed">播放速度</s:String>
+    <s:String x:Key="Str_WallpaperView">桌面投影</s:String>
     <s:String x:Key="Str_RenderSelectedOnly">仅渲染选中</s:String>
     <s:String x:Key="Str_ShowAxis">显示坐标轴</s:String>
     <s:String x:Key="Str_BackgroundColor">背景颜色</s:String>
-    <s:String x:Key="Str_BackgroundImage">背景图片</s:String>
+    <s:String x:Key="Str_BackgroundImagePath">背景图片路径</s:String>
+    <s:String x:Key="Str_BackgroundImageMode">背景图片模式</s:String>
 
     <!-- 渲染画面按钮组 -->
     <s:String x:Key="Str_StopTooltip">停止</s:String>
@@ -221,7 +234,10 @@
 
     <s:String x:Key="Str_SpineLoadPreference">模型加载选项</s:String>
 
+    <s:String x:Key="Str_RendererPreference">预览画面选项</s:String>
+
     <s:String x:Key="Str_AppPreference">应用程序选项</s:String>
+    <s:String x:Key="Str_AssociateFileSuffix">关联文件后缀</s:String>
     <s:String x:Key="Str_Language">语言</s:String>
 
 </ResourceDictionary>

SpineViewer/Services/DialogService.cs

@@ -61,6 +61,18 @@ namespace SpineViewer.Services
             return dialog.ShowDialog() ?? false;
         }
 
+        public static bool ShowOpenFileDialog(out string? fileName, string title = null, string filter = "")
+        {
+            var dialog = new OpenFileDialog() { Title = title, Filter = filter };
+            if (dialog.ShowDialog() is true)
+            {
+                fileName = dialog.FileName;
+                return true;
+            }
+            fileName = null;
+            return false;
+        }
+
         /// <summary>
         /// 获取用户选择的文件夹
         /// </summary>
@@ -78,6 +90,22 @@ namespace SpineViewer.Services
             return false;
         }
 
+        public static bool ShowOpenSFMLImageDialog(out string? fileName, string initialDirectory = "")
+        {
+            var dialog = new OpenFileDialog()
+            {
+                InitialDirectory = initialDirectory,
+                Filter = "SFML Image|*.png;*.jpg;*.jpeg;*.bmp;*.tga|All|*.*"
+            };
+            if (dialog.ShowDialog() is true)
+            {
+                fileName = dialog.FileName;
+                return true;
+            }
+            fileName = null;
+            return false;
+        }
+
         public static bool ShowOpenJsonDialog(out string? fileName, string initialDirectory = "")
         {
             var dialog = new OpenFileDialog()

SpineViewer/SpineViewer.csproj

@@ -7,19 +7,24 @@
         <TargetFramework>net8.0-windows</TargetFramework>
         <BaseOutputPath>$(SolutionDir)out</BaseOutputPath>
         <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
-        <Version>0.15.11</Version>
+        <Version>0.15.19</Version>
         <OutputType>WinExe</OutputType>
         <UseWPF>true</UseWPF>
     </PropertyGroup>
 
     <PropertyGroup>
         <NoWarn>$(NoWarn);NETSDK1206</NoWarn>
-        <ApplicationIcon>appicon.ico</ApplicationIcon>
+        <ApplicationIcon>Resources\Images\spineviewer.ico</ApplicationIcon>
         <ApplicationManifest>app.manifest</ApplicationManifest>
     </PropertyGroup>
 
     <ItemGroup>
-      <Content Include="appicon.ico" />
+      <Content Include="Resources\Images\skel.ico">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </Content>
+      <Content Include="Resources\Images\spineviewer.ico">
+        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+      </Content>
     </ItemGroup>
 
     <ItemGroup>

SpineViewer/ViewModels/MainWindow/ExplorerListViewModel.cs

@@ -163,6 +163,7 @@ namespace SpineViewer.ViewModels.MainWindow
                         Size = new(bounds.Width, -bounds.Height),
                         Format = SkiaSharp.SKEncodedImageFormat.Webp,
                         Quality = PreviewQuality,
+                        BackgroundColor = SFML.Graphics.Color.Transparent,
                     };
                     exporter.Export(m.PreviewFilePath, sp);
                 }
@@ -199,6 +200,7 @@ namespace SpineViewer.ViewModels.MainWindow
             {
                 Format = SkiaSharp.SKEncodedImageFormat.Webp,
                 Quality = PreviewQuality,
+                BackgroundColor = SFML.Graphics.Color.Transparent,
             };
             for (int i = 0; i < totalCount; i++)
             {

SpineViewer/ViewModels/MainWindow/MainWindowViewModel.cs

@@ -5,6 +5,7 @@ using SFMLRenderer;
 using SpineViewer.Models;
 using SpineViewer.Services;
 using SpineViewer.Utils;
+using System.Windows;
 using System.Windows.Shell;
 
 namespace SpineViewer.ViewModels.MainWindow
@@ -16,9 +17,10 @@ namespace SpineViewer.ViewModels.MainWindow
     {
         private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
 
-        public MainWindowViewModel(ISFMLRenderer sfmlRenderer)
+        public MainWindowViewModel(ISFMLRenderer sfmlRenderer, ISFMLRenderer wallpaperRenderer)
         {
             _sfmlRenderer = sfmlRenderer;
+            _wallpaperRenderer = wallpaperRenderer;
             _explorerListViewModel = new(this);
             _spineObjectListViewModel = new(this);
             _sfmlRendererViewModel = new(this);
@@ -33,6 +35,9 @@ namespace SpineViewer.ViewModels.MainWindow
         public ISFMLRenderer SFMLRenderer => _sfmlRenderer;
         private readonly ISFMLRenderer _sfmlRenderer;
 
+        public ISFMLRenderer WallpaperRenderer => _wallpaperRenderer;
+        private readonly ISFMLRenderer _wallpaperRenderer;
+
         public TaskbarItemProgressState ProgressState { get => _progressState; set => SetProperty(ref _progressState, value); }
         private TaskbarItemProgressState _progressState = TaskbarItemProgressState.None;
 
@@ -72,6 +77,16 @@ namespace SpineViewer.ViewModels.MainWindow
         public SFMLRendererViewModel SFMLRendererViewModel => _sfmlRendererViewModel;
         private readonly SFMLRendererViewModel _sfmlRendererViewModel;
 
+        public RelayCommand Cmd_SwitchWallpaperView => _cmd_SwitchWallpaperView ??= new(() =>
+        {
+            _preferenceViewModel.WallpaperView = !_preferenceViewModel.WallpaperView;
+            _preferenceViewModel.SavePreference();
+        });
+        private RelayCommand _cmd_SwitchWallpaperView;
+
+        public RelayCommand Cmd_Exit => _cmd_Exit ??= new(App.Current.Shutdown);
+        private RelayCommand? _cmd_Exit;
+
         /// <summary>
         /// 打开工作区
         /// </summary>
@@ -131,18 +146,5 @@ namespace SpineViewer.ViewModels.MainWindow
             }
         }
 
-        /// <summary>
-        /// 调试命令
-        /// </summary>
-        public RelayCommand Cmd_Debug => _cmd_Debug ??= new(Debug_Execute);
-        private RelayCommand? _cmd_Debug;
-
-        private void Debug_Execute()
-        {
-#if DEBUG
-
-            MessagePopupService.Quest("测试一下");
-#endif
-        }
     }
 }

SpineViewer/ViewModels/MainWindow/PreferenceViewModel.cs

@@ -1,13 +1,16 @@
 using CommunityToolkit.Mvvm.ComponentModel;
 using CommunityToolkit.Mvvm.Input;
+using Microsoft.Win32;
 using NLog;
 using Spine.SpineWrappers;
 using SpineViewer.Models;
+using SpineViewer.Natives;
 using SpineViewer.Services;
 using SpineViewer.Utils;
 using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -23,6 +26,10 @@ namespace SpineViewer.ViewModels.MainWindow
         /// </summary>
         public static readonly string PreferenceFilePath = Path.Combine(Path.GetDirectoryName(Environment.ProcessPath), "preference.json");
 
+        private static readonly string SkelFileDescription = "SpineViewer File";
+        private static readonly string SkelIconFilePath = Path.Combine(App.ProcessDirectory, "Resources\\Images\\skel.ico");
+        private static readonly string ShellOpenCommand = $"\"{App.ProcessPath}\" \"%1\"";
+
         private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
 
         private readonly MainWindowViewModel _vmMain;
@@ -64,8 +71,19 @@ namespace SpineViewer.ViewModels.MainWindow
         public void LoadPreference()
         {
             if (JsonHelper.Deserialize<PreferenceModel>(PreferenceFilePath, out var obj, true))
+            {
+                try
+                {
                     Preference = obj;
                 }
+                catch (Exception ex)
+                {
+
+                    _logger.Trace(ex.ToString());
+                    _logger.Error("Failed to load some prefereneces, {0}", ex.Message);
+                }
+            }
+        }
 
         /// <summary>
         /// 获取参数副本或者进行设置
@@ -93,7 +111,9 @@ namespace SpineViewer.ViewModels.MainWindow
                     DebugPoints = DebugPoints,
                     DebugClippings = DebugClippings,
 
+                    WallpaperView = WallpaperView,
                     RenderSelectedOnly = RenderSelectedOnly,
+                    AssociateFileSuffix = AssociateFileSuffix,
                     AppLanguage = AppLanguage,
                 };
             }
@@ -117,7 +137,9 @@ namespace SpineViewer.ViewModels.MainWindow
                 DebugPoints = value.DebugPoints;
                 DebugClippings = value.DebugClippings;
 
+                WallpaperView = value.WallpaperView;
                 RenderSelectedOnly = value.RenderSelectedOnly;
+                AssociateFileSuffix = value.AssociateFileSuffix;
                 AppLanguage = value.AppLanguage;
             }
         }
@@ -224,12 +246,90 @@ namespace SpineViewer.ViewModels.MainWindow
 
         public static ImmutableArray<AppLanguage> AppLanguageOptions { get; } = Enum.GetValues<AppLanguage>().ToImmutableArray();
 
+        public bool AutoRun
+        {
+            get => throw new NotImplementedException();
+            set => throw new NotImplementedException();
+        }
+
+        public bool WallpaperView
+        {
+            get => _wallpaperView;
+            set => SetProperty(ref _wallpaperView, value);
+        }
+        private bool _wallpaperView; // UI 变化通过 PropertyChanged 事件交由 View 层处理
+
         public bool RenderSelectedOnly
         {
             get => _vmMain.SFMLRendererViewModel.RenderSelectedOnly;
             set => SetProperty(_vmMain.SFMLRendererViewModel.RenderSelectedOnly, value, v => _vmMain.SFMLRendererViewModel.RenderSelectedOnly = v);
         }
 
+        public bool AssociateFileSuffix
+        {
+            get
+            {
+                try
+                {
+                    // 检查 .skel 的 ProgID
+                    using (var key = Registry.CurrentUser.OpenSubKey(@"Software\Classes\.skel"))
+                    {
+                        var progIdValue = key?.GetValue("") as string;
+                        if (!string.Equals(progIdValue, App.ProgId, StringComparison.OrdinalIgnoreCase))
+                            return false;
+                    }
+
+                    // 检查 command 指令是否相同
+                    using (var key = Registry.CurrentUser.OpenSubKey($@"Software\Classes\{App.ProgId}\shell\open\command"))
+                    {
+                        var command = key?.GetValue("") as string;
+                        if (string.IsNullOrWhiteSpace(command))
+                            return false;
+                        return command == ShellOpenCommand;
+                    }
+                }
+                catch
+                {
+                    return false;
+                }
+            }
+            set
+            {
+                SetProperty(AssociateFileSuffix, value, v =>
+                {
+                    if (v)
+                    {
+                        // 文件关联
+                        using (var key = Registry.CurrentUser.CreateSubKey(@"Software\Classes\.skel"))
+                        {
+                            key?.SetValue("", App.ProgId);
+                        }
+
+                        using (var key = Registry.CurrentUser.CreateSubKey($@"Software\Classes\{App.ProgId}"))
+                        {
+                            key?.SetValue("", SkelFileDescription);
+                            using (var iconKey = key?.CreateSubKey("DefaultIcon"))
+                            {
+                                iconKey?.SetValue("", $"\"{SkelIconFilePath}\"");
+                            }
+                            using (var shellKey = key?.CreateSubKey(@"shell\open\command"))
+                            {
+                                shellKey?.SetValue("", ShellOpenCommand);
+                            }
+                        }
+                    }
+                    else
+                    {
+                        // 删除关联
+                        Registry.CurrentUser.DeleteSubKeyTree(@"Software\Classes\.skel", false);
+                        Registry.CurrentUser.DeleteSubKeyTree($@"Software\Classes\{App.ProgId}", false);
+                    }
+
+                    Shell32.NotifyAssociationChanged();
+                });
+            }
+        }
+
         public AppLanguage AppLanguage
         {
             get => ((App)App.Current).Language;

SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs

@@ -10,8 +10,10 @@ using SpineViewer.Services;
 using SpineViewer.Utils;
 using System;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.Collections.Specialized;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -23,6 +25,8 @@ namespace SpineViewer.ViewModels.MainWindow
 {
     public class SFMLRendererViewModel : ObservableObject
     {
+        public ImmutableArray<Stretch> StretchOptions { get; } = Enum.GetValues<Stretch>().ToImmutableArray();
+
         /// <summary>
         /// 日志器
         /// </summary>
@@ -31,6 +35,7 @@ namespace SpineViewer.ViewModels.MainWindow
         private readonly MainWindowViewModel _vmMain;
         private readonly ObservableCollectionWithLock<SpineObjectModel> _models;
         private readonly ISFMLRenderer _renderer;
+        private readonly ISFMLRenderer _wallpaperRenderer;
 
         /// <summary>
         /// 被选中对象的背景颜色
@@ -69,6 +74,13 @@ namespace SpineViewer.ViewModels.MainWindow
         private float _forwardDelta = 0;
         private readonly object _forwardDeltaLock = new();
 
+        /// <summary>
+        /// 背景图片
+        /// </summary>
+        private SFML.Graphics.Sprite? _backgroundImageSprite; // XXX: 暂时未使用 Dispose 释放
+        private SFML.Graphics.Texture? _backgroundImageTexture; // XXX: 暂时未使用 Dispose 释放
+        private readonly object _bgLock = new();
+
         /// <summary>
         /// 临时变量, 记录拖放世界源点
         /// </summary>
@@ -79,6 +91,7 @@ namespace SpineViewer.ViewModels.MainWindow
             _vmMain = vmMain;
             _models = _vmMain.SpineObjects;
             _renderer = _vmMain.SFMLRenderer;
+            _wallpaperRenderer = _vmMain.WallpaperRenderer;
         }
 
         /// <summary>
@@ -86,6 +99,14 @@ namespace SpineViewer.ViewModels.MainWindow
         /// </summary>
         public event NotifyCollectionChangedEventHandler? RequestSelectionChanging;
 
+        public void SetResolution(uint x, uint y)
+        {
+            var lastRes = _renderer.Resolution;
+            _renderer.Resolution = new(x, y);
+            if (lastRes.X != x) OnPropertyChanged(nameof(ResolutionX));
+            if (lastRes.Y != y) OnPropertyChanged(nameof(ResolutionY));
+        }
+
         public uint ResolutionX
         {
             get => _renderer.Resolution.X;
@@ -161,6 +182,64 @@ namespace SpineViewer.ViewModels.MainWindow
         }
         private SFML.Graphics.Color _backgroundColor = new(105, 105, 105);
 
+        public string BackgroundImagePath
+        {
+            get => _backgroundImagePath;
+            set => SetProperty(_backgroundImagePath, value, v =>
+            {
+                if (string.IsNullOrWhiteSpace(v))
+                {
+                    lock (_bgLock)
+                    {
+                        _backgroundImageSprite?.Dispose();
+                        _backgroundImageTexture?.Dispose();
+                        _backgroundImageTexture = null;
+                        _backgroundImageSprite = null;
+                    }
+                    _backgroundImagePath = v;
+                }
+                else
+                {
+                    if (!File.Exists(v))
+                    {
+                        _logger.Warn("Omit non-existed background image path, {0}", v);
+                        return;
+                    }
+                    SFML.Graphics.Texture tex = null;
+                    SFML.Graphics.Sprite sprite = null;
+                    try
+                    {
+                        tex = new(v);
+                        sprite = new(tex) { Origin = new(tex.Size.X / 2f, tex.Size.Y / 2f) };
+                        lock (_bgLock)
+                        {
+                            _backgroundImageSprite?.Dispose();
+                            _backgroundImageTexture?.Dispose();
+                            _backgroundImageTexture = tex;
+                            _backgroundImageSprite = sprite;
+                        }
+                        _backgroundImagePath = v;
+                        _logger.Info("Load background image from {0}", v);
+                        _logger.LogCurrentProcessMemoryUsage();
+                    }
+                    catch (Exception ex)
+                    {
+                        sprite?.Dispose();
+                        tex?.Dispose();
+                        _logger.Error("Failed to load background image from path: {0}, {1}", v, ex.Message);
+                    }
+                }
+            });
+        }
+        private string _backgroundImagePath;
+
+        public Stretch BackgroundImageMode
+        {
+            get => _backgroundImageMode;
+            set => SetProperty(ref _backgroundImageMode, value);
+        }
+        private Stretch _backgroundImageMode = Stretch.Uniform;
+
         public bool RenderSelectedOnly
         {
             get => _renderSelectedOnly;
@@ -181,6 +260,14 @@ namespace SpineViewer.ViewModels.MainWindow
         }
         private bool _isUpdating = true;
 
+        public RelayCommand Cmd_SelectBackgroundImage => _cmd_SelectBackgroundImage ??= new(() =>
+        {
+            if (!DialogService.ShowOpenSFMLImageDialog(out var fileName))
+                return;
+            BackgroundImagePath = fileName;
+        });
+        private RelayCommand? _cmd_SelectBackgroundImage;
+
         public RelayCommand Cmd_Stop => _cmd_Stop ??= new(() =>
         {
             IsUpdating = false;
@@ -358,6 +445,7 @@ namespace SpineViewer.ViewModels.MainWindow
         {
             try
             {
+                _wallpaperRenderer.SetActive(true);
                 _renderer.SetActive(true);
 
                 float delta;
@@ -376,7 +464,44 @@ namespace SpineViewer.ViewModels.MainWindow
                         _forwardDelta = 0;
                     }
 
+                    using var v = _renderer.GetView();
+                    _wallpaperRenderer.SetView(v);
+
                     _renderer.Clear(_backgroundColor);
+                    _wallpaperRenderer.Clear(_backgroundColor);
+
+                    // 渲染背景
+                    lock (_bgLock)
+                    {
+                        if (_backgroundImageSprite is not null)
+                        {
+                            using var view = _renderer.GetView();
+                            var bg = _backgroundImageSprite;
+                            var viewSize = view.Size;
+                            var bgSize = bg.Texture.Size;
+                            var scaleX = Math.Abs(viewSize.X / bgSize.X);
+                            var scaleY = Math.Abs(viewSize.Y / bgSize.Y);
+                            var signX = Math.Sign(viewSize.X);
+                            var signY = Math.Sign(viewSize.Y);
+                            if (_backgroundImageMode == Stretch.None)
+                            {
+                                scaleX = scaleY = 1f / _renderer.Zoom;
+                            }
+                            else if (_backgroundImageMode == Stretch.Uniform)
+                            {
+                                scaleX = scaleY = Math.Min(scaleX, scaleY);
+                            }
+                            else if (_backgroundImageMode == Stretch.UniformToFill)
+                            {
+                                scaleX = scaleY = Math.Max(scaleX, scaleY);
+                            }
+                            bg.Scale = new(signX * scaleX, signY * scaleY);
+                            bg.Position = view.Center;
+                            bg.Rotation = view.Rotation;
+                            _renderer.Draw(bg);
+                            _wallpaperRenderer.Draw(bg);
+                        }
+                    }
 
                     if (_showAxis)
                     {
@@ -414,10 +539,12 @@ namespace SpineViewer.ViewModels.MainWindow
                             sp.EnableDebug = true;
                             _renderer.Draw(sp);
                             sp.EnableDebug = false;
+                            _wallpaperRenderer.Draw(sp);
                         }
                     }
 
                     _renderer.Display();
+                    _wallpaperRenderer.Display();
                 }
             }
             catch (Exception ex)
@@ -429,12 +556,12 @@ namespace SpineViewer.ViewModels.MainWindow
             finally
             {
                 _renderer.SetActive(false);
+                _wallpaperRenderer.SetActive(false);
             }
         }
 
         public RendererWorkspaceConfigModel WorkspaceConfig
         {
-            // TODO: 背景图片
             get
             {
                 return new()
@@ -451,12 +578,13 @@ namespace SpineViewer.ViewModels.MainWindow
                     Speed = Speed,
                     ShowAxis = ShowAxis,
                     BackgroundColor = BackgroundColor,
+                    BackgroundImagePath = BackgroundImagePath,
+                    BackgroundImageMode = BackgroundImageMode,
                 };
             }
             set
             {
-                ResolutionX = value.ResolutionX;
-                ResolutionY = value.ResolutionY;
+                SetResolution(value.ResolutionX, value.ResolutionY);
                 CenterX = value.CenterX;
                 CenterY = value.CenterY;
                 Zoom = value.Zoom;
@@ -467,6 +595,8 @@ namespace SpineViewer.ViewModels.MainWindow
                 Speed = value.Speed;
                 ShowAxis = value.ShowAxis;
                 BackgroundColor = value.BackgroundColor;
+                BackgroundImagePath = value.BackgroundImagePath;
+                BackgroundImageMode = value.BackgroundImageMode;
             }
         }
     }

SpineViewer/ViewModels/MainWindow/SpineObjectListViewModel.cs

@@ -11,6 +11,7 @@ using SpineViewer.ViewModels.Exporters;
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -45,6 +46,11 @@ namespace SpineViewer.ViewModels.MainWindow
             _customFFmpegExporterViewModel = new(_vmMain);
         }
 
+        /// <summary>
+        /// 请求选中项发生变化
+        /// </summary>
+        public event NotifyCollectionChangedEventHandler? RequestSelectionChanging;
+
         /// <summary>
         /// 单帧导出 ViewModel
         /// </summary>
@@ -101,7 +107,12 @@ namespace SpineViewer.ViewModels.MainWindow
 
         private void AddSpineObject_Execute()
         {
-            MessagePopupService.Info("Not Implemented, please drag files into here or add them from clipboard :)");
+            if (!DialogService.ShowOpenFileDialog(out var skelFileName, AppResource.Str_OpenSkelFileTitle))
+                return;
+            if (!DialogService.ShowOpenFileDialog(out var atlasFileName, AppResource.Str_OpenAtlasFileTitle))
+                return;
+            AddSpineObject(skelFileName, atlasFileName);
+            _logger.LogCurrentProcessMemoryUsage();
         }
 
         /// <summary>
@@ -138,6 +149,34 @@ namespace SpineViewer.ViewModels.MainWindow
             return true;
         }
 
+        /// <summary>
+        /// 移除全部模型
+        /// </summary>
+        public RelayCommand<IList?> Cmd_RemoveAllSpineObject => _cmd_RemoveAllSpineObject ??= new(RemoveAllSpineObject_Execute, RemoveAllSpineObject_CanExecute);
+        private RelayCommand<IList?>? _cmd_RemoveAllSpineObject;
+
+        private void RemoveAllSpineObject_Execute(IList? args)
+        {
+            if (!RemoveAllSpineObject_CanExecute(args)) return;
+
+            if (!MessagePopupService.Quest(string.Format(AppResource.Str_RemoveItemsQuest, args.Count)))
+                return;
+
+            lock (_spineObjectModels.Lock)
+            {
+                foreach (var sp in _spineObjectModels)
+                    sp.Dispose();
+                _spineObjectModels.Clear();
+            }
+        }
+
+        private bool RemoveAllSpineObject_CanExecute(IList? args)
+        {
+            if (args is null) return false;
+            if (args.Count <= 0) return false;
+            return true;
+        }
+
         /// <summary>
         /// 从剪贴板文件列表添加模型
         /// </summary>
@@ -174,6 +213,8 @@ namespace SpineViewer.ViewModels.MainWindow
                         spNew.ObjectConfig = sp.ObjectConfig;
                         _spineObjectModels[idx] = spNew;
                         sp.Dispose();
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, spNew));
                     }
                     catch (Exception ex)
                     {
@@ -229,6 +270,11 @@ namespace SpineViewer.ViewModels.MainWindow
                             _spineObjectModels[idx] = spNew;
                             sp.Dispose();
                             success++;
+                            Application.Current.Dispatcher.BeginInvoke(() =>
+                            {
+                                RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                                RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, spNew));
+                            });
                         }
                         catch (Exception ex)
                         {
@@ -457,7 +503,7 @@ namespace SpineViewer.ViewModels.MainWindow
             {
                 if (ct.IsCancellationRequested) break;
 
-                var skelPath = paths[i];
+                var skelPath = paths[totalCount - 1 - i]; // 从后往前添加, 每次插入到列表的第一个
                 reporter.ProgressText = $"[{i}/{totalCount}] {skelPath}";
 
                 if (AddSpineObject(skelPath))
@@ -480,7 +526,7 @@ namespace SpineViewer.ViewModels.MainWindow
         }
 
         /// <summary>
-        /// 安全地在末尾添加一个模型, 发生错误会输出日志
+        /// 安全地在列表头添加一个模型, 发生错误会输出日志
         /// </summary>
         /// <returns>是否添加成功</returns>
         private bool AddSpineObject(string skelPath, string? atlasPath = null)
@@ -488,7 +534,20 @@ namespace SpineViewer.ViewModels.MainWindow
             try
             {
                 var sp = new SpineObjectModel(skelPath, atlasPath);
-                lock (_spineObjectModels.Lock) _spineObjectModels.Add(sp);
+                lock (_spineObjectModels.Lock) _spineObjectModels.Insert(0, sp);
+                if (Application.Current.Dispatcher.CheckAccess())
+                {
+                    RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                    RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, sp));
+                }
+                else
+                {
+                    Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, sp));
+                    });
+                }
                 return true;
             }
             catch (Exception ex)
@@ -499,22 +558,6 @@ namespace SpineViewer.ViewModels.MainWindow
             return false;
         }
 
-        private bool AddSpineObject(SpineObjectWorkspaceConfigModel cfg)
-        {
-            try
-            {
-                var sp = new SpineObjectModel(cfg);
-                lock (_spineObjectModels.Lock) _spineObjectModels.Add(sp);
-                return true;
-            }
-            catch (Exception ex)
-            {
-                _logger.Trace(ex.ToString());
-                _logger.Error("Failed to load: {0}, {1}", cfg.SkelPath, ex.Message);
-            }
-            return false;
-        }
-
         public List<SpineObjectWorkspaceConfigModel> LoadedSpineObjects
         {
             get
@@ -577,7 +620,7 @@ namespace SpineViewer.ViewModels.MainWindow
             {
                 if (ct.IsCancellationRequested) break;
 
-                var cfg = models[i];
+                var cfg = models[totalCount - 1 - i]; // 从后往前添加, 每次插入到列表的第一个
                 reporter.ProgressText = $"[{i}/{totalCount}] {cfg}";
 
                 if (AddSpineObject(cfg))
@@ -605,5 +648,38 @@ namespace SpineViewer.ViewModels.MainWindow
                     sp.ResetAnimationsTime();
             }
         }
+
+        /// <summary>
+        /// 安全地在列表头添加一个模型, 发生错误会输出日志
+        /// </summary>
+        /// <returns>是否添加成功</returns>
+        private bool AddSpineObject(SpineObjectWorkspaceConfigModel cfg)
+        {
+            try
+            {
+                var sp = new SpineObjectModel(cfg);
+                lock (_spineObjectModels.Lock) _spineObjectModels.Insert(0, sp);
+                if (Application.Current.Dispatcher.CheckAccess())
+                {
+                    RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                    RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, sp));
+                }
+                else
+                {
+                    Application.Current.Dispatcher.Invoke(() =>
+                    {
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Reset));
+                        RequestSelectionChanging?.Invoke(this, new(NotifyCollectionChangedAction.Add, sp));
+                    });
+                }
+                return true;
+            }
+            catch (Exception ex)
+            {
+                _logger.Trace(ex.ToString());
+                _logger.Error("Failed to load: {0}, {1}", cfg.SkelPath, ex.Message);
+            }
+            return false;
+        }
     }
 }

SpineViewer/ViewModels/MainWindow/SpineObjectTabViewModel.cs

@@ -31,7 +31,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 foreach (var obj in _selectedObjects)
                 {
                     obj.PropertyChanged -= SingleModel_PropertyChanged;
-                    obj.AnimationChanged -= SingleModel_AnimationChanged;
+                    obj.TrackPropertyChanged -= SingleModel_TrackPropChanged;
                 }
                 _skins.Clear();
                 _slots.Clear();
@@ -44,7 +44,7 @@ namespace SpineViewer.ViewModels.MainWindow
                     foreach (var obj in _selectedObjects)
                     {
                         obj.PropertyChanged += SingleModel_PropertyChanged;
-                        obj.AnimationChanged += SingleModel_AnimationChanged;
+                        obj.TrackPropertyChanged += SingleModel_TrackPropChanged;
                     }
 
                     IEnumerable<string> commonSkinNames = _selectedObjects[0].Skins;
@@ -74,6 +74,7 @@ namespace SpineViewer.ViewModels.MainWindow
                 OnPropertyChanged(nameof(IsShown));
                 OnPropertyChanged(nameof(UsePma));
                 OnPropertyChanged(nameof(Physics));
+                OnPropertyChanged(nameof(TimeScale));
 
                 OnPropertyChanged(nameof(Scale));
                 OnPropertyChanged(nameof(FlipX));
@@ -217,6 +218,25 @@ namespace SpineViewer.ViewModels.MainWindow
             }
         }
 
+        public float? TimeScale
+        {
+            get
+            {
+                if (_selectedObjects.Length <= 0) return null;
+                var val = _selectedObjects[0].TimeScale;
+                if (_selectedObjects.Skip(1).Any(it => it.TimeScale != val)) return null;
+                return val;
+            }
+
+            set
+            {
+                if (_selectedObjects.Length <= 0) return;
+                if (value is null) return;
+                foreach (var sp in _selectedObjects) sp.TimeScale = (float)value;
+                OnPropertyChanged();
+            }
+        }
+
         public float? Scale
         {
             get
@@ -314,27 +334,31 @@ namespace SpineViewer.ViewModels.MainWindow
 
         public ObservableCollection<SkinViewModel> Skins => _skins;
 
-        public RelayCommand<IList?> Cmd_EnableSkins { get; } = new(
+        public RelayCommand<IList?> Cmd_EnableSkins => _cmd_EnableSkins ??= new (
             args => { if (args is null) return; foreach (var s in args.OfType<SkinViewModel>()) s.Status = true; },
             args => { return args is not null && args.OfType<SkinViewModel>().Any(); }
         );
+        private RelayCommand<IList?> _cmd_EnableSkins;
 
-        public RelayCommand<IList?> Cmd_DisableSkins { get; } = new(
+        public RelayCommand<IList?> Cmd_DisableSkins => _cmd_DisableSkins ??= new (
             args => { if (args is null) return; foreach (var s in args.OfType<SkinViewModel>()) s.Status = false; },
             args => { return args is not null && args.OfType<SkinViewModel>().Any(); }
         );
+        private RelayCommand<IList?> _cmd_DisableSkins;
 
         public ObservableCollection<SlotViewModel> Slots => _slots;
 
-        public RelayCommand<IList?> Cmd_EnableSlots { get; } = new(
+        public RelayCommand<IList?> Cmd_EnableSlots => _cmd_EnableSlots ??= new (
             args => { if (args is null) return; foreach (var s in args.OfType<SlotViewModel>()) s.Visible = true; },
             args => { return args is not null && args.OfType<SlotViewModel>().Any(); }
         );
+        private RelayCommand<IList?> _cmd_EnableSlots;
 
-        public RelayCommand<IList?> Cmd_DisableSlots { get; } = new(
+        public RelayCommand<IList?> Cmd_DisableSlots => _cmd_DisableSlots ??= new (
             args => { if (args is null) return; foreach (var s in args.OfType<SlotViewModel>()) s.Visible = false; },
             args => { return args is not null && args.OfType<SlotViewModel>().Any(); }
         );
+        private RelayCommand<IList?> _cmd_DisableSlots;
 
         public ObservableCollection<AnimationTrackViewModel> AnimationTracks => _animationTracks;
 
@@ -384,6 +408,27 @@ namespace SpineViewer.ViewModels.MainWindow
         );
         private RelayCommand<IList?>? _cmd_InsertTrack;
 
+        public RelayCommand<IList?>? Cmd_ClearTrack => _cmd_ClearTrack ??= new(
+            args =>
+            {
+                if (_selectedObjects.Length <= 0) return;
+                if (args is null) return;
+                if (args.Count <= 0) return;
+
+                foreach (var vm in args.OfType<AnimationTrackViewModel>())
+                    foreach (var sp in _selectedObjects)
+                        sp.ClearTrack(vm.TrackIndex);
+            },
+            args =>
+            {
+                if (_selectedObjects.Length <= 0) return false;
+                if (args is null) return false;
+                if (args.Count <= 0) return false;
+                return true;
+            }
+        );
+        private RelayCommand<IList?>? _cmd_ClearTrack;
+
         public bool? DebugTexture
         {
             get
@@ -574,43 +619,52 @@ namespace SpineViewer.ViewModels.MainWindow
             }
         }
 
-        /// <summary>
-        /// 监听单个模型属性发生变化, 则更新聚合属性值
-        /// </summary>
-        private void SingleModel_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+        private static readonly Dictionary<string, string> _singleModelPropertyMap = new()
         {
-            if (e.PropertyName == nameof(SpineObjectModel.IsShown)) OnPropertyChanged(nameof(IsShown));
-            else if (e.PropertyName == nameof(SpineObjectModel.UsePma)) OnPropertyChanged(nameof(UsePma));
-            else if (e.PropertyName == nameof(SpineObjectModel.Physics)) OnPropertyChanged(nameof(Physics));
+            { nameof(SpineObjectModel.IsShown), nameof(IsShown) },
+            { nameof(SpineObjectModel.UsePma), nameof(UsePma) },
+            { nameof(SpineObjectModel.Physics), nameof(Physics) },
+            { nameof(SpineObjectModel.TimeScale), nameof(TimeScale) },
 
-            else if (e.PropertyName == nameof(SpineObjectModel.Scale)) OnPropertyChanged(nameof(Scale));
-            else if (e.PropertyName == nameof(SpineObjectModel.FlipX)) OnPropertyChanged(nameof(FlipX));
-            else if (e.PropertyName == nameof(SpineObjectModel.FlipY)) OnPropertyChanged(nameof(FlipY));
-            else if (e.PropertyName == nameof(SpineObjectModel.X)) OnPropertyChanged(nameof(X));
-            else if (e.PropertyName == nameof(SpineObjectModel.Y)) OnPropertyChanged(nameof(Y));
+            { nameof(SpineObjectModel.Scale), nameof(Scale) },
+            { nameof(SpineObjectModel.FlipX), nameof(FlipX) },
+            { nameof(SpineObjectModel.FlipY), nameof(FlipY) },
+            { nameof(SpineObjectModel.X), nameof(X) },
+            { nameof(SpineObjectModel.Y), nameof(Y) },
 
             // Skins 变化在 SkinViewModel 中监听
             // Slots 变化在 SlotAttachmentViewModel 中监听
             // AnimationTracks 变化在 AnimationTrackViewModel 中监听
 
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugTexture)) OnPropertyChanged(nameof(DebugTexture));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugBounds)) OnPropertyChanged(nameof(DebugBounds));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugBones)) OnPropertyChanged(nameof(DebugBones));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugRegions)) OnPropertyChanged(nameof(DebugRegions));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugMeshHulls)) OnPropertyChanged(nameof(DebugMeshHulls));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugMeshes)) OnPropertyChanged(nameof(DebugMeshes));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugBoundingBoxes)) OnPropertyChanged(nameof(DebugBoundingBoxes));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugPaths)) OnPropertyChanged(nameof(DebugPaths));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugPoints)) OnPropertyChanged(nameof(DebugPoints));
-            else if (e.PropertyName == nameof(SpineObjectModel.DebugClippings)) OnPropertyChanged(nameof(DebugClippings));
+            { nameof(SpineObjectModel.DebugTexture), nameof(DebugTexture) },
+            { nameof(SpineObjectModel.DebugBounds), nameof(DebugBounds) },
+            { nameof(SpineObjectModel.DebugBones), nameof(DebugBones) },
+            { nameof(SpineObjectModel.DebugRegions), nameof(DebugRegions) },
+            { nameof(SpineObjectModel.DebugMeshHulls), nameof(DebugMeshHulls) },
+            { nameof(SpineObjectModel.DebugMeshes), nameof(DebugMeshes) },
+            { nameof(SpineObjectModel.DebugBoundingBoxes), nameof(DebugBoundingBoxes) },
+            { nameof(SpineObjectModel.DebugPaths), nameof(DebugPaths) },
+            { nameof(SpineObjectModel.DebugPoints), nameof(DebugPoints) },
+            { nameof(SpineObjectModel.DebugClippings), nameof(DebugClippings) },
+        };
+
+        /// <summary>
+        /// 监听单个模型属性发生变化, 则更新聚合属性值
+        /// </summary>
+        private void SingleModel_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+        {
+            if (_singleModelPropertyMap.TryGetValue(e.PropertyName, out var targetProperty))
+            {
+                OnPropertyChanged(targetProperty);
+            }
         }
 
         /// <summary>
         /// 监听单个模型动画轨道发生变化, 则重建聚合后的动画列表
         /// </summary>
-        /// <param name="sender"></param>
-        /// <param name="e"></param>
-        private void SingleModel_AnimationChanged(object? sender, AnimationChangedEventArgs e)
+        private void SingleModel_TrackPropChanged(object? sender, TrackPropertyChangedEventArgs e)
+        {
+            if (e.PropertyName == nameof(TrackPropertyChangedEventArgs.AnimationName))
             {
                 // XXX: 这里应该有更好的实现, 当 e.AnimationName == null 的时候代表删除轨道需要重新构建列表
                 // 但是目前无法识别是否增加了轨道, 因此总是重建列表
@@ -625,7 +679,7 @@ namespace SpineViewer.ViewModels.MainWindow
                         foreach (var idx in commonTrackIndices) _animationTracks.Add(new(idx, _selectedObjects));
                     }
                 );
-
+            }
         }
 
         public class SkinViewModel : ObservableObject
@@ -798,21 +852,36 @@ namespace SpineViewer.ViewModels.MainWindow
                 // 使用弱引用, 则此 ViewModel 被释放时无需显式退订事件
                 foreach (var sp in _spines)
                 {
-                    WeakEventManager<SpineObjectModel, AnimationChangedEventArgs>.AddHandler(
+                    WeakEventManager<SpineObjectModel, TrackPropertyChangedEventArgs>.AddHandler(
                         sp,
-                        nameof(sp.AnimationChanged),
-                        SingleModel_AnimationChanged
+                        nameof(sp.TrackPropertyChanged),
+                        SingleModel_TrackPropChanged
                     );
                 }
             }
 
-            public RelayCommand Cmd_ClearTrack => _cmd_ClearTrack ??= new(() => { foreach (var sp in _spines) sp.ClearTrack(_trackIndex); });
-            private RelayCommand? _cmd_ClearTrack;
-
             public ReadOnlyCollection<string> AnimationNames => _animationNames.AsReadOnly();
 
             public int TrackIndex => _trackIndex;
 
+            public float? AnimationDuration
+            {
+                get
+                {
+                    if (_spines.Length <= 0) return null;
+                    var ani = _spines[0].GetAnimation(_trackIndex);
+                    if (ani is null) return null;
+                    var val = _spines[0].GetAnimationDuration(ani);
+                    foreach (var sp in _spines.Skip(1))
+                    {
+                        var a = sp.GetAnimation(_trackIndex);
+                        if (a is null) return null;
+                        if (sp.GetAnimationDuration(a) != val) return null;
+                    }
+                    return val;
+                }
+            }
+
             public string? AnimationName
             {
                 get
@@ -834,27 +903,54 @@ namespace SpineViewer.ViewModels.MainWindow
                 }
             }
 
-            public float? AnimationDuration
+            public float? TrackTimeScale
             {
                 get
                 {
+                    // XXX: 空轨道和多选不相同都会返回 null
                     if (_spines.Length <= 0) return null;
-                    var ani = _spines[0].GetAnimation(_trackIndex);
-                    if (ani is null) return null;
-                    var val = _spines[0].GetAnimationDuration(ani);
-                    foreach (var sp in _spines.Skip(1))
-                    {
-                        var a = sp.GetAnimation(_trackIndex);
-                        if (a is null) return null;
-                        if (sp.GetAnimationDuration(a) != val) return null;
-                    }
+                    var val = _spines[0].GetTrackTimeScale(_trackIndex);
+                    if (_spines.Skip(1).Any(it => it.GetTrackTimeScale(_trackIndex) != val)) return null;
                     return val;
                 }
+
+                set
+                {
+                    if (_spines.Length <= 0) return;
+                    if (value is null) return;
+                    foreach (var sp in _spines) sp.SetTrackTimeScale(_trackIndex, (float)value);
+                    OnPropertyChanged();
+                }
             }
 
-            private void SingleModel_AnimationChanged(object? sender, AnimationChangedEventArgs e)
+            public float? TrackAlpha
             {
-                if (e.TrackIndex == _trackIndex) OnPropertyChanged(nameof(AnimationName));
+                get
+                {
+                    // XXX: 空轨道和多选不相同都会返回 null
+                    if (_spines.Length <= 0) return null;
+                    var val = _spines[0].GetTrackAlpha(_trackIndex);
+                    if (_spines.Skip(1).Any(it => it.GetTrackAlpha(_trackIndex) != val)) return null;
+                    return val;
+                }
+
+                set
+                {
+                    if (_spines.Length <= 0) return;
+                    if (value is null) return;
+                    foreach (var sp in _spines) sp.SetTrackAlpha(_trackIndex, (float)value);
+                    OnPropertyChanged();
+                }
+            }
+
+            private void SingleModel_TrackPropChanged(object? sender, TrackPropertyChangedEventArgs e)
+            {
+                if (e.TrackIndex == _trackIndex)
+                {
+                    if (e.PropertyName == nameof(TrackPropertyChangedEventArgs.AnimationName)) OnPropertyChanged(nameof(AnimationName));
+                    else if (e.PropertyName == nameof(TrackPropertyChangedEventArgs.TimeScale)) OnPropertyChanged(nameof(TrackTimeScale));
+                    else if (e.PropertyName == nameof(TrackPropertyChangedEventArgs.Alpha)) OnPropertyChanged(nameof(TrackAlpha));
+                }
             }
         }
     }

SpineViewer/Views/MainWindow.xaml

@@ -9,6 +9,7 @@
         xmlns:utils="clr-namespace:SpineViewer.Utils"
         xmlns:SFMLRenderer="clr-namespace:SFMLRenderer;assembly=SFMLRenderer"
         mc:Ignorable="d"
+        x:Name="_mainWindow"
         Title="{Binding Title}"
         Width="1500"
         Height="800"
@@ -68,7 +69,7 @@
                         <MenuItem Header="{DynamicResource Str_Diagnostics}" Command="{Binding Cmd_ShowDiagnosticsDialog}"/>
                         <Separator/>
                         <MenuItem Header="{DynamicResource Str_Abount}" Command="{Binding Cmd_ShowAboutDialog}"/>
-                        <MenuItem Header="{DynamicResource Str_Debug}" Command="{Binding Cmd_Debug}"/>
+                        <MenuItem Header="{DynamicResource Str_Debug}" Click="DebugMenuItem_Click"/>
                     </MenuItem>
                     <!--<MenuItem Header="{DynamicResource Str_Experiment}"/>-->
                 </Menu>
@@ -76,7 +77,7 @@
             </Border>
 
             <Border Grid.Row="1">
-                <Grid>
+                <Grid x:Name="_rootGrid">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition/>
                         <ColumnDefinition Width="Auto" />
@@ -89,120 +90,9 @@
                         <!-- 功能页 -->
                         <TabControl x:Name="_mainTabControl" TabStripPlacement="Left">
 
-                            <!-- 浏览页 -->
-                            <TabItem Header="{DynamicResource Str_Explorer}" DataContext="{Binding ExplorerListViewModel}">
-                                <Grid>
-                                    <Grid.RowDefinitions>
-                                        <RowDefinition/>
-                                        <RowDefinition Height="Auto"/>
-                                        <RowDefinition/>
-                                    </Grid.RowDefinitions>
-
-                                    <DockPanel>
-                                        <Grid DockPanel.Dock="Top">
-                                            <Grid.ColumnDefinitions>
-                                                <ColumnDefinition Width="*"/>
-                                                <ColumnDefinition Width="Auto"/>
-                                                <ColumnDefinition Width="Auto"/>
-                                            </Grid.ColumnDefinitions>
-                                            <hc:TextBox hc:InfoElement.Placeholder="{StaticResource Str_Filter}"
-                                                        Text="{Binding FilterString, UpdateSourceTrigger=PropertyChanged}"/>
-                                            <Button Grid.Column="1" 
-                                                    hc:IconElement.Geometry="{StaticResource Geo_Folder}" 
-                                                    Command="{Binding Cmd_ChangeCurrentDirectory}"
-                                                    ToolTip="{DynamicResource Str_ChangeCurrentDirectoryTooltip}"/>
-                                            <Button Grid.Column="2" 
-                                                    hc:IconElement.Geometry="{StaticResource Geo_ArrowRotateRight}" 
-                                                    Command="{Binding Cmd_RefreshItems}"
-                                                    ToolTip="{DynamicResource Str_RefreshItemsTooltip}"/>
-                                        </Grid>
-
-                                        <StatusBar DockPanel.Dock="Bottom">
-                                            <TextBlock>
-                                                <TextBlock.Text>
-                                                    <MultiBinding Converter="{StaticResource StrFmtCvter}" ConverterParameter="Str_ListViewStatusBar">
-                                                        <Binding Path="Items.Count" ElementName="_spineFilesListBox"/>
-                                                        <Binding Path="SelectedItems.Count" ElementName="_spineFilesListBox"/>
-                                                    </MultiBinding>
-                                                </TextBlock.Text>
-                                            </TextBlock>
-                                        </StatusBar>
-
-                                        <ListBox x:Name="_spineFilesListBox"
-                                                 VirtualizingPanel.IsVirtualizing="True"
-                                                 ItemsSource="{Binding ShownItems}"
-                                                 DisplayMemberPath="FileName"
-                                                 MouseLeftButtonDown="SpineFilesListBox_MouseLeftButtonDown">
-                                            <i:Interaction.Triggers>
-                                                <i:EventTrigger EventName="SelectionChanged">
-                                                    <i:InvokeCommandAction Command="{Binding Cmd_SelectionChanged}"
-                                                                           CommandParameter="{Binding SelectedItems, ElementName=_spineFilesListBox}"/>
-                                                </i:EventTrigger>
-                                            </i:Interaction.Triggers>
-
-                                            <ListBox.ContextMenu>
-                                                <ContextMenu>
-                                                    <MenuItem Header="{DynamicResource Str_AddSelectedItems}"
-                                                              Command="{Binding Cmd_AddSelectedItems}"
-                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
-                                                    <Separator/>
-                                                    <MenuItem Header="{DynamicResource Str_GeneratePreviewForSelected}"
-                                                              Command="{Binding Cmd_GeneratePreviews}"
-                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
-                                                    <MenuItem Header="{StaticResource Str_DeletePreviewsForSelected}"
-                                                              Command="{Binding Cmd_DeletePreviews}"
-                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
-                                                </ContextMenu>
-                                            </ListBox.ContextMenu>
-                                        </ListBox>
-                                    </DockPanel>
-
-                                    <GridSplitter Grid.Row="1" ResizeDirection="Rows"/>
-
-                                    <Grid Grid.Row="2" DataContext="{Binding SelectedItem}">
-                                        <Grid.Resources>
-                                            <Style TargetType="{x:Type Label}" BasedOn="{StaticResource LabelDefault}">
-                                                <Setter Property="HorizontalAlignment" Value="Stretch"/>
-                                                <Setter Property="HorizontalContentAlignment" Value="Right"/>
-                                            </Style>
-                                            <Style TargetType="{x:Type TextBox}" BasedOn="{StaticResource TextBoxBaseStyle}">
-                                                <Setter Property="HorizontalContentAlignment" Value="Right"/>
-                                            </Style>
-                                        </Grid.Resources>
-                                        <Grid.ColumnDefinitions>
-                                            <ColumnDefinition Width="Auto"/>
-                                            <ColumnDefinition Width="*" />
-                                        </Grid.ColumnDefinitions>
-                                        <Grid.RowDefinitions>
-                                            <RowDefinition Height="Auto"/>
-                                            <RowDefinition Height="Auto"/>
-                                            <RowDefinition Height="*"/>
-                                        </Grid.RowDefinitions>
-
-                                        <!-- 文件目录 -->
-                                        <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_FileDirectory}"/>
-                                        <TextBox Grid.Row="0" Grid.Column="1"
-                                                 Text="{Binding FileDirectory, Mode=OneWay}"
-                                                 IsReadOnly="True"
-                                                 ToolTip="{Binding Text, RelativeSource={RelativeSource Mode=Self}}"/>
-
-                                        <!-- 文件名 -->
-                                        <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_FileName}"/>
-                                        <TextBox Grid.Row="1" Grid.Column="1"
-                                                 Text="{Binding FileName, Mode=OneWay}"
-                                                 IsReadOnly="True"/>
-
-                                        <!-- 预览图 -->
-                                        <Border Grid.Row="2" Grid.ColumnSpan="2" Background="#a0a0a0">
-                                            <Image Source="{Binding PreviewImage, Mode=OneWay}" Stretch="Uniform"/>
-                                        </Border>
-                                    </Grid>
-                                </Grid>
-                            </TabItem>
-
                             <!-- 模型列表页 -->
                             <TabItem Header="{DynamicResource Str_SpineObject}">
-                                <Grid>
+                                <Grid x:Name="_modelListGrid">
                                     <Grid.RowDefinitions>
                                         <RowDefinition/>
                                         <RowDefinition Height="Auto"/>
@@ -258,13 +148,16 @@
                                                 <ContextMenu>
                                                     <MenuItem Header="{DynamicResource Str_AddSpineObject}"
                                                               Command="{Binding Cmd_AddSpineObject}"/>
+                                                    <MenuItem Header="{DynamicResource Str_AddSpineObjectFromClipboard}"
+                                                              InputGestureText="Ctrl+V"
+                                                              Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
                                                     <MenuItem Header="{DynamicResource Str_RemoveSpineObject}"
                                                               InputGestureText="Delete"
                                                               Command="{Binding Cmd_RemoveSpineObject}"
                                                               CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
-                                                    <MenuItem Header="{DynamicResource Str_AddSpineObjectFromClipboard}"
-                                                              InputGestureText="Ctrl+V"
-                                                              Command="{Binding Cmd_AddSpineObjectFromClipboard}"/>
+                                                    <MenuItem Header="{DynamicResource Str_RemoveAllSpineObject}"
+                                                              Command="{Binding Cmd_RemoveAllSpineObject}"
+                                                              CommandParameter="{Binding PlacementTarget.Items, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
                                                     <MenuItem Header="{DynamicResource Str_Reload}"
                                                               InputGestureText="Ctrl+R"
                                                               Command="{Binding Cmd_ReloadSpineObject}"
@@ -421,6 +314,7 @@
                                                     <RowDefinition Height="Auto"/>
                                                     <RowDefinition Height="Auto"/>
                                                     <RowDefinition Height="Auto"/>
+                                                    <RowDefinition Height="Auto"/>
                                                 </Grid.RowDefinitions>
 
                                                 <!-- 显示 -->
@@ -434,6 +328,10 @@
                                                 <!-- 物理 -->
                                                 <Label Grid.Row="2" Grid.Column="0" Content="{DynamicResource Str_Physics}"/>
                                                 <ComboBox Grid.Row="2" Grid.Column="1" SelectedValue="{Binding Physics}" ItemsSource="{Binding PhysicsOptions}"/>
+
+                                                <!-- 时间因子 -->
+                                                <Label Grid.Row="3" Grid.Column="0" Content="{DynamicResource Str_TimeScale}" ToolTip="{DynamicResource Str_TimeScaleTootltip}"/>
+                                                <TextBox Grid.Row="3" Grid.Column="1" Text="{Binding TimeScale}" ToolTip="{DynamicResource Str_TimeScaleTootltip}"/>
                                             </Grid>
                                         </TabItem>
 
@@ -503,7 +401,7 @@
                                                                 <ColumnDefinition Width="Auto"/>
                                                                 <ColumnDefinition Width="*" />
                                                             </Grid.ColumnDefinitions>
-                                                            <Label Grid.Column="0" Content="{Binding Name}"/>
+                                                            <Label Grid.Column="0" Content="{Binding Name}" Background="#bfffffff"/>
                                                             <ToggleButton Grid.Column="1" IsChecked="{Binding Status}"/>
                                                         </Grid>
                                                     </DataTemplate>
@@ -541,7 +439,7 @@
                                                                 <ColumnDefinition Width="*"/>
                                                                 <ColumnDefinition Width="Auto"/>
                                                             </Grid.ColumnDefinitions>
-                                                            <Label Grid.Column="0" Content="{Binding SlotName}" HorizontalAlignment="Left"/>
+                                                            <Label Grid.Column="0" Content="{Binding SlotName}" HorizontalAlignment="Left" Background="#bfffffff"/>
                                                             <ComboBox Grid.Column="1" SelectedValue="{Binding AttachmentName}" ItemsSource="{Binding AttachmentNames}"/>
                                                             <ToggleButton Grid.Column="2" IsChecked="{Binding Visible}"/>
                                                         </Grid>
@@ -568,6 +466,9 @@
                                                         <MenuItem Header="{DynamicResource Str_InsertTrack}" 
                                                                   Command="{Binding Cmd_InsertTrack}"
                                                                   CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
+                                                        <MenuItem Header="{DynamicResource Str_ClearTrack}" 
+                                                                  Command="{Binding Cmd_ClearTrack}"
+                                                                  CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
                                                     </ContextMenu>
                                                 </ListBox.ContextMenu>
 
@@ -575,19 +476,38 @@
                                                     <DataTemplate>
                                                         <Grid>
                                                             <Grid.ColumnDefinitions>
-                                                                <ColumnDefinition Width="Auto" SharedSizeGroup="Col0"/>
+                                                                <ColumnDefinition Width="Auto" SharedSizeGroup="ColTrackIdx"/>
+                                                                <ColumnDefinition Width="Auto" SharedSizeGroup="ColAniTime"/>
                                                                 <ColumnDefinition Width="*"/>
-                                                                <ColumnDefinition Width="Auto" SharedSizeGroup="Col2"/>
-                                                                <ColumnDefinition Width="Auto"/>
                                                             </Grid.ColumnDefinitions>
-                                                            <Label Grid.Column="0" Content="{Binding TrackIndex}" HorizontalContentAlignment="Left"/>
-                                                            <ComboBox Grid.Column="1" SelectedValue="{Binding AnimationName}" ItemsSource="{Binding AnimationNames}"/>
-                                                            <Label Grid.Column="2" 
-                                                                   Content="{Binding AnimationDuration}"
-                                                                   ContentStringFormat="{}{0:F3} s"/>
-                                                            <Button Grid.Column="3" 
-                                                                    Command="{Binding Cmd_ClearTrack}"
-                                                                    hc:IconElement.Geometry="{StaticResource Geo_TrashXmark}"/>
+
+                                                            <Label Grid.Column="0" Content="{Binding TrackIndex}" HorizontalContentAlignment="Left" VerticalAlignment="Top" Background="#bfffffff"/>
+                                                            <Label Grid.Column="1" Content="{Binding AnimationDuration}" VerticalAlignment="Top" ContentStringFormat="{}{0:F3} s"/>
+
+                                                            <Expander Grid.Column="2" HorizontalContentAlignment="Stretch">
+                                                                <Expander.Header>
+                                                                    <!-- hc 的模板自带左侧 10 的 padding, 此处用 -10 的 margin 来抵消去除 -->
+                                                                    <ComboBox Margin="-10 0 0 0" Grid.Column="2" SelectedValue="{Binding AnimationName}" ItemsSource="{Binding AnimationNames}"/>
+                                                                </Expander.Header>
+                                                                <Grid Margin="1 0 0 0">
+                                                                    <Grid.ColumnDefinitions>
+                                                                        <ColumnDefinition Width="Auto"/>
+                                                                        <ColumnDefinition Width="*" />
+                                                                    </Grid.ColumnDefinitions>
+                                                                    <Grid.RowDefinitions>
+                                                                        <RowDefinition Height="Auto"/>
+                                                                        <RowDefinition Height="Auto"/>
+                                                                    </Grid.RowDefinitions>
+
+                                                                    <!-- 时间因子 -->
+                                                                    <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_TrackTimeScale}" ToolTip="{DynamicResource Str_TrackTimeScaleTooltip}"/>
+                                                                    <TextBox Grid.Row="0" Grid.Column="1" Text="{Binding TrackTimeScale, StringFormat='{}{0:F3}'}" ToolTip="{DynamicResource Str_TrackTimeScaleTooltip}"/>
+
+                                                                    <!-- Alpha 混合 -->
+                                                                    <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_TrackAlpha}" ToolTip="{DynamicResource Str_TrackAlphaTooltip}"/>
+                                                                    <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding TrackAlpha, StringFormat='{}{0:F3}'}" ToolTip="{DynamicResource Str_TrackAlphaTooltip}"/>
+                                                                </Grid>
+                                                            </Expander>
                                                         </Grid>
                                                     </DataTemplate>
                                                 </ListBox.ItemTemplate>
@@ -660,6 +580,117 @@
                                 </Grid>
                             </TabItem>
 
+                            <!-- 浏览页 -->
+                            <TabItem Header="{DynamicResource Str_Explorer}" DataContext="{Binding ExplorerListViewModel}">
+                                <Grid x:Name="_explorerGrid">
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition/>
+                                        <RowDefinition Height="Auto"/>
+                                        <RowDefinition/>
+                                    </Grid.RowDefinitions>
+
+                                    <DockPanel>
+                                        <Grid DockPanel.Dock="Top">
+                                            <Grid.ColumnDefinitions>
+                                                <ColumnDefinition Width="*"/>
+                                                <ColumnDefinition Width="Auto"/>
+                                                <ColumnDefinition Width="Auto"/>
+                                            </Grid.ColumnDefinitions>
+                                            <hc:TextBox hc:InfoElement.Placeholder="{StaticResource Str_Filter}"
+                                                        Text="{Binding FilterString, UpdateSourceTrigger=PropertyChanged}"/>
+                                            <Button Grid.Column="1" 
+                                                    hc:IconElement.Geometry="{StaticResource Geo_Folder}" 
+                                                    Command="{Binding Cmd_ChangeCurrentDirectory}"
+                                                    ToolTip="{DynamicResource Str_ChangeCurrentDirectoryTooltip}"/>
+                                            <Button Grid.Column="2" 
+                                                    hc:IconElement.Geometry="{StaticResource Geo_ArrowRotateRight}" 
+                                                    Command="{Binding Cmd_RefreshItems}"
+                                                    ToolTip="{DynamicResource Str_RefreshItemsTooltip}"/>
+                                        </Grid>
+
+                                        <StatusBar DockPanel.Dock="Bottom">
+                                            <TextBlock>
+                                                <TextBlock.Text>
+                                                    <MultiBinding Converter="{StaticResource StrFmtCvter}" ConverterParameter="Str_ListViewStatusBar">
+                                                        <Binding Path="Items.Count" ElementName="_spineFilesListBox"/>
+                                                        <Binding Path="SelectedItems.Count" ElementName="_spineFilesListBox"/>
+                                                    </MultiBinding>
+                                                </TextBlock.Text>
+                                            </TextBlock>
+                                        </StatusBar>
+
+                                        <ListBox x:Name="_spineFilesListBox"
+                                                 VirtualizingPanel.IsVirtualizing="True"
+                                                 ItemsSource="{Binding ShownItems}"
+                                                 DisplayMemberPath="FileName"
+                                                 MouseLeftButtonDown="SpineFilesListBox_MouseLeftButtonDown">
+                                            <i:Interaction.Triggers>
+                                                <i:EventTrigger EventName="SelectionChanged">
+                                                    <i:InvokeCommandAction Command="{Binding Cmd_SelectionChanged}"
+                                                                           CommandParameter="{Binding SelectedItems, ElementName=_spineFilesListBox}"/>
+                                                </i:EventTrigger>
+                                            </i:Interaction.Triggers>
+
+                                            <ListBox.ContextMenu>
+                                                <ContextMenu>
+                                                    <MenuItem Header="{DynamicResource Str_AddSelectedItems}"
+                                                              Command="{Binding Cmd_AddSelectedItems}"
+                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
+                                                    <Separator/>
+                                                    <MenuItem Header="{DynamicResource Str_GeneratePreviewForSelected}"
+                                                              Command="{Binding Cmd_GeneratePreviews}"
+                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
+                                                    <MenuItem Header="{StaticResource Str_DeletePreviewsForSelected}"
+                                                              Command="{Binding Cmd_DeletePreviews}"
+                                                              CommandParameter="{Binding PlacementTarget.SelectedItems, RelativeSource={RelativeSource AncestorType={x:Type ContextMenu}}}"/>
+                                                </ContextMenu>
+                                            </ListBox.ContextMenu>
+                                        </ListBox>
+                                    </DockPanel>
+
+                                    <GridSplitter Grid.Row="1" ResizeDirection="Rows"/>
+
+                                    <Grid Grid.Row="2" DataContext="{Binding SelectedItem}">
+                                        <Grid.Resources>
+                                            <Style TargetType="{x:Type Label}" BasedOn="{StaticResource LabelDefault}">
+                                                <Setter Property="HorizontalAlignment" Value="Stretch"/>
+                                                <Setter Property="HorizontalContentAlignment" Value="Right"/>
+                                            </Style>
+                                            <Style TargetType="{x:Type TextBox}" BasedOn="{StaticResource TextBoxBaseStyle}">
+                                                <Setter Property="HorizontalContentAlignment" Value="Right"/>
+                                            </Style>
+                                        </Grid.Resources>
+                                        <Grid.ColumnDefinitions>
+                                            <ColumnDefinition Width="Auto"/>
+                                            <ColumnDefinition Width="*" />
+                                        </Grid.ColumnDefinitions>
+                                        <Grid.RowDefinitions>
+                                            <RowDefinition Height="Auto"/>
+                                            <RowDefinition Height="Auto"/>
+                                            <RowDefinition Height="*"/>
+                                        </Grid.RowDefinitions>
+
+                                        <!-- 文件目录 -->
+                                        <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_FileDirectory}"/>
+                                        <TextBox Grid.Row="0" Grid.Column="1"
+                                                 Text="{Binding FileDirectory, Mode=OneWay}"
+                                                 IsReadOnly="True"
+                                                 ToolTip="{Binding Text, RelativeSource={RelativeSource Mode=Self}}"/>
+
+                                        <!-- 文件名 -->
+                                        <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_FileName}"/>
+                                        <TextBox Grid.Row="1" Grid.Column="1"
+                                                 Text="{Binding FileName, Mode=OneWay}"
+                                                 IsReadOnly="True"/>
+
+                                        <!-- 预览图 -->
+                                        <Border Grid.Row="2" Grid.ColumnSpan="2" Background="#a0a0a0">
+                                            <Image Source="{Binding PreviewImage, Mode=OneWay}" Stretch="Uniform"/>
+                                        </Border>
+                                    </Grid>
+                                </Grid>
+                            </TabItem>
+
                             <!-- 画面参数页 -->
                             <TabItem Header="{DynamicResource Str_Canvas}" DataContext="{Binding SFMLRendererViewModel}">
                                 <TabItem.Resources>
@@ -695,6 +726,9 @@
                                         <RowDefinition Height="Auto"/>
                                         <RowDefinition Height="Auto"/>
                                         <RowDefinition Height="Auto"/>
+                                        <RowDefinition Height="Auto"/>
+                                        <RowDefinition Height="Auto"/>
+                                        <RowDefinition Height="Auto"/>
                                     </Grid.RowDefinitions>
 
                                     <!-- 水平分辨率 -->
@@ -729,24 +763,34 @@
                                     <Label Grid.Row="7" Grid.Column="0" Content="{DynamicResource Str_FlipY}"/>
                                     <ToggleButton Grid.Row="7" Grid.Column="1" IsChecked="{Binding FlipY}"/>
 
+                                    <Separator Grid.Row="8" Grid.Column="0" Grid.ColumnSpan="2" Margin="0 5"/>
+
                                     <!-- 最大帧率 -->
-                                    <Label Grid.Row="8" Grid.Column="0" Content="{DynamicResource Str_MaxFps}"/>
-                                    <TextBox Grid.Row="8" Grid.Column="1" Text="{Binding MaxFps}"/>
+                                    <Label Grid.Row="9" Grid.Column="0" Content="{DynamicResource Str_MaxFps}" ToolTip="{DynamicResource Str_MaxFpsTooltip}"/>
+                                    <TextBox Grid.Row="9" Grid.Column="1" Text="{Binding MaxFps}"  ToolTip="{DynamicResource Str_MaxFpsTooltip}"/>
 
                                     <!-- 播放速度 -->
-                                    <Label Grid.Row="9" Grid.Column="0" Content="{DynamicResource Str_PlaySpeed}"/>
-                                    <TextBox Grid.Row="9" Grid.Column="1" Text="{Binding Speed}"/>
+                                    <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_PlaySpeed}"/>
+                                    <TextBox Grid.Row="10" Grid.Column="1" Text="{Binding Speed}"/>
 
                                     <!-- 显示坐标轴 -->
-                                    <Label Grid.Row="10" Grid.Column="0" Content="{DynamicResource Str_ShowAxis}"/>
-                                    <ToggleButton Grid.Row="10" Grid.Column="1" IsChecked="{Binding ShowAxis}"/>
+                                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_ShowAxis}"/>
+                                    <ToggleButton Grid.Row="11" Grid.Column="1" IsChecked="{Binding ShowAxis}"/>
 
                                     <!-- 背景颜色 -->
-                                    <Label Grid.Row="11" Grid.Column="0" Content="{DynamicResource Str_BackgroundColor}" ToolTip="#AARRGGBB"/>
-                                    <TextBox Grid.Row="11" Grid.Column="1" Text="{Binding BackgroundColor}" ToolTip="#AARRGGBB"/>
+                                    <Label Grid.Row="12" Grid.Column="0" Content="{DynamicResource Str_BackgroundColor}" ToolTip="#AARRGGBB"/>
+                                    <TextBox Grid.Row="12" Grid.Column="1" Text="{Binding BackgroundColor}" ToolTip="#AARRGGBB"/>
 
                                     <!-- 背景图案 -->
+                                    <Label Grid.Row="13" Grid.Column="0" Content="{DynamicResource Str_BackgroundImagePath}"/>
+                                    <DockPanel Grid.Row="13" Grid.Column="1" >
+                                        <Button DockPanel.Dock="Right" Content="..." Command="{Binding Cmd_SelectBackgroundImage}"/>
+                                        <TextBox Text="{Binding BackgroundImagePath}"/>
+                                    </DockPanel>
+
                                     <!-- 背景图案模式 -->
+                                    <Label Grid.Row="14" Grid.Column="0" Content="{DynamicResource Str_BackgroundImageMode}"/>
+                                    <ComboBox Grid.Row="14" Grid.Column="1" SelectedValue="{Binding BackgroundImageMode}" ItemsSource="{Binding StretchOptions}"/>
                                 </Grid>
                             </TabItem>
                         </TabControl>
@@ -755,7 +799,7 @@
                     <GridSplitter Grid.Column="1" ResizeDirection="Columns"/>
 
                     <Border Grid.Column="2">
-                        <Grid>
+                        <Grid x:Name="_rightPanelGrid">
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="5*"/>
                                 <RowDefinition Height="Auto"/>
@@ -888,6 +932,21 @@
                    Opened="BottomPopup_Opened"
                    MouseLeave="PopupContainer_MouseLeave"/>
         </Grid>
+
+        <!-- 非可视元素通知栏图标 -->
+        <hc:NotifyIcon x:Name="_notifyIcon"
+                       Icon="/Resources/Images/spineviewer.ico"
+                       Click="_notifyIcon_Click"
+                       MouseDoubleClick="_notifyIcon_MouseDoubleClick">
+            <hc:NotifyIcon.ContextMenu>
+                <ContextMenu>
+                    <MenuItem Header="{DynamicResource Str_WallpaperView}" Command="{Binding Cmd_SwitchWallpaperView}" IsChecked="{Binding PreferenceViewModel.WallpaperView}"/>
+                    <Separator/>
+                    <MenuItem Header="{DynamicResource Str_Exit}" Command="{Binding Cmd_Exit}"/>
+                </ContextMenu>
+            </hc:NotifyIcon.ContextMenu>
+        </hc:NotifyIcon>
+
     </Grid>
 
 </Window>

SpineViewer/Views/MainWindow.xaml.cs

@@ -1,14 +1,18 @@
-using Microsoft.Win32;
-using NLog;
+using NLog;
 using NLog.Layouts;
 using NLog.Targets;
+using SFMLRenderer;
 using Spine;
+using SpineViewer.Models;
 using SpineViewer.Natives;
 using SpineViewer.Resources;
+using SpineViewer.Utils;
 using SpineViewer.ViewModels.MainWindow;
 using System.Collections.Specialized;
 using System.ComponentModel;
 using System.Diagnostics;
+using System.IO;
+using System.Reflection.Metadata;
 using System.Text;
 using System.Windows;
 using System.Windows.Controls;
@@ -26,50 +30,46 @@ namespace SpineViewer.Views;
 /// </summary>
 public partial class MainWindow : Window
 {
+    /// <summary>
+    /// 上一次状态文件保存路径
+    /// </summary>
+    public static readonly string LastStateFilePath = Path.Combine(Path.GetDirectoryName(Environment.ProcessPath), "laststate.json");
+
     private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
+
     private ListViewItem? _listViewDragSourceItem = null;
     private Point _listViewDragSourcePoint;
 
+    private readonly SFMLRenderWindow _wallpaperRenderWindow;
     private readonly MainWindowViewModel _vm;
 
     public MainWindow()
     {
         InitializeComponent();
         InitializeLogConfiguration();
-        _vm = new (_renderPanel);
-        DataContext = _vm;
-        _vm.SFMLRendererViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
+
+        // Initialize Wallpaper RenderWindow
+        _wallpaperRenderWindow = new(new(1, 1), "SpineViewerWallpaper", SFML.Window.Styles.None);
+        _wallpaperRenderWindow.SetVisible(false);
+        var handle = _wallpaperRenderWindow.SystemHandle;
+        var style = User32.GetWindowLong(handle, User32.GWL_STYLE) | User32.WS_POPUP;
+        var exStyle = User32.GetWindowLong(handle, User32.GWL_EXSTYLE) | User32.WS_EX_LAYERED | User32.WS_EX_TOOLWINDOW;
+        User32.SetWindowLong(handle, User32.GWL_STYLE, style);
+        User32.SetWindowLong(handle, User32.GWL_EXSTYLE, exStyle);
+        User32.SetLayeredWindowAttributes(handle, 0, byte.MaxValue, User32.LWA_ALPHA);
+
+        DataContext = _vm = new(_renderPanel, _wallpaperRenderWindow);
+
+        // XXX: hc 的 NotifyIcon 的 Text 似乎没法双向绑定
+        _notifyIcon.Text = _vm.Title;
 
         Loaded += MainWindow_Loaded;
+        ContentRendered += MainWindow_ContentRendered;
         Closed += MainWindow_Closed;
-    }
 
-    private void MainWindow_Loaded(object sender, RoutedEventArgs e)
-    {
-        var vm = _vm.SFMLRendererViewModel;
-        _renderPanel.CanvasMouseWheelScrolled += vm.CanvasMouseWheelScrolled;
-        _renderPanel.CanvasMouseButtonPressed += vm.CanvasMouseButtonPressed;
-        _renderPanel.CanvasMouseMove += vm.CanvasMouseMove;
-        _renderPanel.CanvasMouseButtonReleased += vm.CanvasMouseButtonReleased;
-
-        // 设置默认参数并启动渲染
-        vm.ResolutionX = 1500;
-        vm.ResolutionY = 1000;
-        vm.Zoom = 0.75f;
-        vm.CenterX = 0;
-        vm.CenterY = 0;
-        vm.FlipY = true;
-        vm.MaxFps = 30;
-        vm.StartRender();
-
-        // 加载首选项
-        _vm.PreferenceViewModel.LoadPreference();
-    }
-
-    private void MainWindow_Closed(object? sender, EventArgs e)
-    {
-        var vm = _vm.SFMLRendererViewModel;
-        vm.StopRender();
+        _vm.SpineObjectListViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
+        _vm.SFMLRendererViewModel.RequestSelectionChanging += SpinesListView_RequestSelectionChanging;
+        _vm.PreferenceViewModel.PropertyChanged += PreferenceViewModel_PropertyChanged;
     }
 
     /// <summary>
@@ -81,14 +81,13 @@ public partial class MainWindow : Window
         var rtbTarget = new NLog.Windows.Wpf.RichTextBoxTarget
         {
             Name = "rtbTarget",
-            FormName = GetType().Name,
+            WindowName = _mainWindow.Name,
             ControlName = _loggerRichTextBox.Name,
             AutoScroll = true,
             MaxLines = 3000,
-            Layout = "[${level:format=OneLetter}]${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${message}"
+            Layout = "[${level:format=OneLetter}]${date:format=yyyy-MM-dd HH\\:mm\\:ss} - ${message}",
         };
 
-        // TODO: 完善日志实现
         rtbTarget.WordColoringRules.Add(new("[D]", "Gray", "Empty"));
         rtbTarget.WordColoringRules.Add(new("[I]", "DimGray", "Empty"));
         rtbTarget.WordColoringRules.Add(new("[W]", "DarkOrange", "Empty"));
@@ -100,6 +99,153 @@ public partial class MainWindow : Window
         LogManager.ReconfigExistingLoggers();
     }
 
+    private void LoadLastState()
+    {
+        if (JsonHelper.Deserialize<LastStateModel>(LastStateFilePath, out var m, true))
+        {
+            Left = m.WindowLeft;
+            Top = m.WindowTop;
+            Width = m.WindowWidth;
+            Height = m.WindowHeight;
+            if (m.WindowState == WindowState.Maximized)
+            {
+                WindowState = WindowState.Maximized;
+            }
+            else
+            {
+                WindowState = WindowState.Normal;
+            }
+
+            _rootGrid.ColumnDefinitions[0].Width = new(m.RootGridCol0Width);
+            _modelListGrid.RowDefinitions[0].Height = new(m.ModelListRow0Height);
+            if (m.ExplorerGridRow0Height > 0) _explorerGrid.RowDefinitions[0].Height = new(m.ExplorerGridRow0Height);
+            _rightPanelGrid.RowDefinitions[0].Height = new(m.RightPanelGridRow0Height);
+
+            _vm.SFMLRendererViewModel.SetResolution(m.ResolutionX, m.ResolutionY);
+            _vm.SFMLRendererViewModel.MaxFps = m.MaxFps;
+            _vm.SFMLRendererViewModel.Speed = m.Speed;
+            _vm.SFMLRendererViewModel.ShowAxis = m.ShowAxis;
+            _vm.SFMLRendererViewModel.BackgroundColor = m.BackgroundColor;
+            _vm.SFMLRendererViewModel.BackgroundImageMode = m.BackgroundImageMode;
+        }
+    }
+
+    private void SaveLastState()
+    {
+        var m = new LastStateModel()
+        {
+            WindowLeft = Left,
+            WindowTop = Top,
+            WindowWidth = Width,
+            WindowHeight = Height,
+            WindowState = WindowState,
+
+            RootGridCol0Width = _rootGrid.ColumnDefinitions[0].ActualWidth,
+            ModelListRow0Height = _modelListGrid.RowDefinitions[0].ActualHeight,
+            ExplorerGridRow0Height = _explorerGrid.RowDefinitions[0].ActualHeight,
+            RightPanelGridRow0Height = _rightPanelGrid.RowDefinitions[0].ActualHeight,
+
+            ResolutionX = _vm.SFMLRendererViewModel.ResolutionX,
+            ResolutionY = _vm.SFMLRendererViewModel.ResolutionY,
+            MaxFps = _vm.SFMLRendererViewModel.MaxFps,
+            Speed = _vm.SFMLRendererViewModel.Speed,
+            ShowAxis = _vm.SFMLRendererViewModel.ShowAxis,
+            BackgroundColor = _vm.SFMLRendererViewModel.BackgroundColor,
+            BackgroundImageMode = _vm.SFMLRendererViewModel.BackgroundImageMode,
+        };
+
+        JsonHelper.Serialize(m, LastStateFilePath);
+    }
+
+    /// <summary>
+    /// 给管道通信提供的打开文件外部调用方法
+    /// </summary>
+    public void OpenFiles(IEnumerable<string> filePaths)
+    {
+        _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
+    }
+
+    #region MainWindow 事件处理
+
+    private void MainWindow_Loaded(object sender, RoutedEventArgs e)
+    {
+        var vm = _vm.SFMLRendererViewModel;
+        _renderPanel.CanvasMouseWheelScrolled += vm.CanvasMouseWheelScrolled;
+        _renderPanel.CanvasMouseButtonPressed += (s, e) => { vm.CanvasMouseButtonPressed(s, e); _spinesListView.Focus(); }; // 用户点击画布后强制转移焦点至列表
+        _renderPanel.CanvasMouseMove += vm.CanvasMouseMove;
+        _renderPanel.CanvasMouseButtonReleased += vm.CanvasMouseButtonReleased;
+
+        // 设置默认参数并启动渲染
+        vm.SetResolution(1500, 1000);
+        vm.Zoom = 0.75f;
+        vm.CenterX = 0;
+        vm.CenterY = 0;
+        vm.FlipY = true;
+        vm.MaxFps = 30;
+        vm.StartRender();
+
+        // 加载首选项
+        _vm.PreferenceViewModel.LoadPreference();
+
+        LoadLastState();
+    }
+
+    private void MainWindow_ContentRendered(object? sender, EventArgs e)
+    {
+        string[] args = Environment.GetCommandLineArgs();
+        if (args.Length > 1)
+        {
+            string[] filePaths = args.Skip(1).ToArray();
+            _vm.SpineObjectListViewModel.AddSpineObjectFromFileList(filePaths);
+        }
+    }
+
+    private void MainWindow_Closed(object? sender, EventArgs e)
+    {
+        SaveLastState();
+
+        var vm = _vm.SFMLRendererViewModel;
+        vm.StopRender();
+    }
+
+    #endregion
+
+    #region PreferenceViewModel 事件处理
+
+    private void PreferenceViewModel_PropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (e.PropertyName == nameof(PreferenceViewModel.WallpaperView))
+        {
+            if (_vm.PreferenceViewModel.WallpaperView)
+            {
+                var workerw = User32.GetWorkerW();
+                if (workerw == IntPtr.Zero)
+                {
+                    _logger.Error("Failed to enable wallpaper view, WorkerW not found");
+                    return;
+                }
+                var wnd = _wallpaperRenderWindow;
+                var handle = wnd.SystemHandle;
+
+                User32.GetPrimaryScreenResolution(out var sw, out var sh);
+
+                User32.SetParent(handle, workerw);
+                User32.SetLayeredWindowAttributes(handle, 0, byte.MaxValue, User32.LWA_ALPHA);
+
+                wnd.Position = new(0, 0);
+                wnd.Size = new(sw + 1, sh);
+                wnd.Size = new(sw, sh);
+                wnd.SetVisible(true);
+            }
+            else
+            {
+                _wallpaperRenderWindow.SetVisible(false);
+            }
+        }
+    }
+
+    #endregion
+
     #region _spinesListView 事件处理
 
     private void SpinesListView_RequestSelectionChanging(object? sender, NotifyCollectionChangedEventArgs e)
@@ -125,6 +271,9 @@ public partial class MainWindow : Window
             default:
                 break;
         }
+
+        // 如果选中项发生变化也强制转移焦点
+        _spinesListView.Focus();
     }
 
     private void SpinesListView_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
@@ -225,6 +374,31 @@ public partial class MainWindow : Window
 
     #endregion
 
+    #region _spineFilesListBox 事件
+
+    private void SpineFilesListBox_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        var list = (ListBox)sender;
+        if (VisualUpwardSearch<ListBoxItem>(e.OriginalSource as DependencyObject) is null)
+            list.SelectedItems.Clear();
+    }
+
+    #endregion
+
+    #region _nofityIcon 事件处理
+
+    private void _notifyIcon_Click(object sender, RoutedEventArgs e)
+    {
+        
+    }
+
+    private void _notifyIcon_MouseDoubleClick(object sender, RoutedEventArgs e)
+    {
+
+    }
+
+    #endregion
+
     #region 切换全屏布局事件处理
 
     private void SwitchToFullScreenLayout()
@@ -234,11 +408,9 @@ public partial class MainWindow : Window
         if (_fullScreenLayout.Visibility == Visibility.Visible) return;
 
         IntPtr hwnd = new WindowInteropHelper(this).Handle;
-        if (Win32.GetScreenResolution(hwnd, out var resX, out var resY))
+        if (User32.GetScreenResolution(hwnd, out var resX, out var resY))
         {
-            var vm = _vm.SFMLRendererViewModel;
-            vm.ResolutionX = resX;
-            vm.ResolutionY = resY;
+            _vm.SFMLRendererViewModel.SetResolution(resX, resY);
         }
 
         HandyControl.Controls.IconElement.SetGeometry(_fullScreenButton, AppResource.Geo_ArrowsMinimize);
@@ -485,10 +657,10 @@ public partial class MainWindow : Window
 
     #endregion
 
-    private void SpineFilesListBox_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    private void DebugMenuItem_Click(object sender, RoutedEventArgs e)
     {
-        var list = (ListBox)sender;
-        if (VisualUpwardSearch<ListBoxItem>(e.OriginalSource as DependencyObject) is null)
-            list.SelectedItems.Clear();
+#if DEBUG
+
+#endif
     }
 }

SpineViewer/Views/PreferenceDialog.xaml

@@ -143,13 +143,21 @@
                             <Grid.RowDefinitions>
                                 <RowDefinition Height="Auto"/>
                                 <RowDefinition Height="Auto"/>
+                                <RowDefinition Height="Auto"/>
+                                <RowDefinition Height="Auto"/>
                             </Grid.RowDefinitions>
 
-                            <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_RenderSelectedOnly}"/>
-                            <ToggleButton Grid.Row="0" Grid.Column="1" IsChecked="{Binding RenderSelectedOnly}"/>
+                            <Label Grid.Row="0" Grid.Column="0" Content="{DynamicResource Str_WallpaperView}"/>
+                            <ToggleButton Grid.Row="0" Grid.Column="1" IsChecked="{Binding WallpaperView}"/>
 
-                            <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_Language}"/>
-                            <ComboBox Grid.Row="1" Grid.Column="1"
+                            <Label Grid.Row="1" Grid.Column="0" Content="{DynamicResource Str_RenderSelectedOnly}"/>
+                            <ToggleButton Grid.Row="1" Grid.Column="1" IsChecked="{Binding RenderSelectedOnly}"/>
+
+                            <Label Grid.Row="2" Grid.Column="0" Content="{DynamicResource Str_AssociateFileSuffix}"/>
+                            <ToggleButton Grid.Row="2" Grid.Column="1" IsChecked="{Binding AssociateFileSuffix}"/>
+
+                            <Label Grid.Row="3" Grid.Column="0" Content="{DynamicResource Str_Language}"/>
+                            <ComboBox Grid.Row="3" Grid.Column="1"
                                       SelectedItem="{Binding AppLanguage}"
                                       ItemsSource="{x:Static vm:PreferenceViewModel.AppLanguageOptions}"/>