整理整理

AIStudio.Wpf.DiagramDesigner.Additionals/Controls/AnimationHelper.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Windows;
+using System.Windows.Media;
+using System.Windows.Media.Animation;
+
+namespace AIStudio.Wpf.DiagramDesigner.Additionals.Controls
+{
+    /// <summary>
+    ///     包含一些常用的动画辅助方法
+    /// </summary>
+    public class AnimationHelper
+    {
+        /// <summary>
+        ///     创建一个Thickness动画
+        /// </summary>
+        /// <param name="thickness"></param>
+        /// <param name="milliseconds"></param>
+        /// <returns></returns>
+        public static ThicknessAnimation CreateAnimation(Thickness thickness = default, double milliseconds = 200)
+        {
+            return new ThicknessAnimation(thickness, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
+            {
+                EasingFunction = new PowerEase { EasingMode = EasingMode.EaseInOut }
+            };
+        }
+
+        /// <summary>
+        ///     创建一个Double动画
+        /// </summary>
+        /// <param name="toValue"></param>
+        /// <param name="milliseconds"></param>
+        /// <returns></returns>
+        public static DoubleAnimation CreateAnimation(double toValue, double milliseconds = 200)
+        {
+            return new DoubleAnimation(toValue, new Duration(TimeSpan.FromMilliseconds(milliseconds)))
+            {
+                EasingFunction = new PowerEase { EasingMode = EasingMode.EaseInOut }
+            };
+        }
+
+        public const string DigitsPattern = @"[+-]?\d*\.?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?";
+
+        internal static void DecomposeGeometryStr(string geometryStr, out double[] arr)
+        {
+            var collection = Regex.Matches(geometryStr, DigitsPattern);
+            arr = new double[collection.Count];
+            for (var i = 0; i < collection.Count; i++)
+            {
+                arr[i] = Convert.ToDouble(collection[i].Value);
+            }
+        }
+
+        internal static Geometry ComposeGeometry(string[] strings, double[] arr)
+        {
+            var builder = new StringBuilder(strings[0]);
+            for (var i = 0; i < arr.Length; i++)
+            {
+                var s = strings[i + 1];
+                var n = arr[i];
+                if (!double.IsNaN(n))
+                {
+                    builder.Append(n).Append(s);
+                }
+            }
+
+            return Geometry.Parse(builder.ToString());
+        }
+
+        internal static Geometry InterpolateGeometry(double[] from, double[] to, double progress, string[] strings)
+        {
+            var accumulated = new double[to.Length];
+            for (var i = 0; i < to.Length; i++)
+            {
+                var fromValue = from[i];
+                accumulated[i] = fromValue + (to[i] - fromValue) * progress;
+            }
+
+            return ComposeGeometry(strings, accumulated);
+        }
+
+        internal static double[] InterpolateGeometryValue(double[] from, double[] to, double progress)
+        {
+            var accumulated = new double[to.Length];
+            for (var i = 0; i < to.Length; i++)
+            {
+                var fromValue = from[i];
+                accumulated[i] = fromValue + (to[i] - fromValue) * progress;
+            }
+
+            return accumulated;
+        }
+    }
+}