improve:插入图片及墨迹平滑

2025-08-30 22:54:16 +08:00
parent 4690ab3c30
commit b64cefad46
8 changed files with 786 additions and 91 deletions
@@ -0,0 +1,155 @@
+using System;
+using System.Configuration;
+
+namespace Ink_Canvas.Helpers
+{
+    /// <summary>
+    /// 墨迹平滑配置类
+    /// </summary>
+    public class InkSmoothingConfig
+    {
+        // 基本平滑参数
+        public double SmoothingStrength { get; set; } = 0.4;
+        public double ResampleInterval { get; set; } = 2.5;
+        public int InterpolationSteps { get; set; } = 12;
+        
+        // 贝塞尔曲线参数
+        public bool UseAdaptiveInterpolation { get; set; } = true;
+        public double CurveTension { get; set; } = 0.3;
+        public double MinCurvatureThreshold { get; set; } = 0.1;
+        public double MaxCurvatureThreshold { get; set; } = 0.8;
+        
+        // 性能参数
+        public bool UseHardwareAcceleration { get; set; } = true;
+        public bool UseAsyncProcessing { get; set; } = true;
+        public int MaxConcurrentTasks { get; set; } = Environment.ProcessorCount;
+        public int MaxPointsPerStroke { get; set; } = 10000;
+        
+        // 质量设置
+        public SmoothingQuality Quality { get; set; } = SmoothingQuality.Balanced;
+        
+        public enum SmoothingQuality
+        {
+            Performance,    // 性能优先
+            Balanced,       // 平衡
+            Quality        // 质量优先
+        }
+
+        // 兼容性枚举
+        public enum InkSmoothingQuality
+        {
+            HighPerformance = 0,  // 高性能低质量
+            Balanced = 1,         // 平衡
+            HighQuality = 2       // 高质量低性能
+        }
+
+        /// <summary>
+        /// 从设置中加载配置
+        /// </summary>
+        public static InkSmoothingConfig FromSettings()
+        {
+            var config = new InkSmoothingConfig();
+            
+            try
+            {
+                // 尝试从MainWindow.Settings加载配置（兼容性）
+                if (MainWindow.Settings?.Canvas != null)
+                {
+                    config.Quality = (SmoothingQuality)MainWindow.Settings.Canvas.InkSmoothingQuality;
+                    config.UseHardwareAcceleration = MainWindow.Settings.Canvas.UseHardwareAcceleration;
+                    config.UseAsyncProcessing = MainWindow.Settings.Canvas.UseAsyncInkSmoothing;
+                    config.MaxConcurrentTasks = MainWindow.Settings.Canvas.MaxConcurrentSmoothingTasks > 0 ?
+                        MainWindow.Settings.Canvas.MaxConcurrentSmoothingTasks : Environment.ProcessorCount;
+                }
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"加载平滑配置失败: {ex.Message}");
+            }
+            
+            return config;
+        }
+
+        /// <summary>
+        /// 应用质量设置
+        /// </summary>
+        public void ApplyQualitySettings()
+        {
+            switch (Quality)
+            {
+                case SmoothingQuality.Performance:
+                    SmoothingStrength = 0.2;
+                    ResampleInterval = 4.0;
+                    InterpolationSteps = 6;
+                    UseAdaptiveInterpolation = false;
+                    CurveTension = 0.2;
+                    MaxConcurrentTasks = Math.Max(1, Environment.ProcessorCount / 2);
+                    break;
+                    
+                case SmoothingQuality.Balanced:
+                    SmoothingStrength = 0.4;
+                    ResampleInterval = 2.5;
+                    InterpolationSteps = 12;
+                    UseAdaptiveInterpolation = true;
+                    CurveTension = 0.3;
+                    MaxConcurrentTasks = Environment.ProcessorCount;
+                    break;
+                    
+                case SmoothingQuality.Quality:
+                    SmoothingStrength = 0.6;
+                    ResampleInterval = 1.5;
+                    InterpolationSteps = 20;
+                    UseAdaptiveInterpolation = true;
+                    CurveTension = 0.4;
+                    MaxConcurrentTasks = Environment.ProcessorCount;
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// 保存配置到设置
+        /// </summary>
+        public void SaveToSettings()
+        {
+            try
+            {
+                // 尝试保存到MainWindow.Settings（兼容性）
+                if (MainWindow.Settings?.Canvas != null)
+                {
+                    MainWindow.Settings.Canvas.InkSmoothingQuality = (int)Quality;
+                    MainWindow.Settings.Canvas.UseHardwareAcceleration = UseHardwareAcceleration;
+                    MainWindow.Settings.Canvas.UseAsyncInkSmoothing = UseAsyncProcessing;
+                    MainWindow.Settings.Canvas.MaxConcurrentSmoothingTasks = MaxConcurrentTasks;
+                    
+                }
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"保存平滑配置失败: {ex.Message}");
+            }
+        }
+
+        /// <summary>
+        /// 验证配置参数
+        /// </summary>
+        public bool Validate()
+        {
+            return SmoothingStrength >= 0.0 && SmoothingStrength <= 1.0 &&
+                   ResampleInterval > 0.0 &&
+                   InterpolationSteps > 0 && InterpolationSteps <= 50 &&
+                   CurveTension >= 0.0 && CurveTension <= 1.0 &&
+                   MaxConcurrentTasks > 0 &&
+                   MaxPointsPerStroke > 0;
+        }
+
+        /// <summary>
+        /// 获取配置摘要
+        /// </summary>
+        public string GetSummary()
+        {
+            return $"质量: {Quality}, 强度: {SmoothingStrength:F2}, 间隔: {ResampleInterval:F1}, " +
+                   $"步数: {InterpolationSteps}, 自适应: {UseAdaptiveInterpolation}, " +
+                   $"张力: {CurveTension:F2}, 硬件加速: {UseHardwareAcceleration}";
+        }
+    }
+}