performance optimization
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4b7124d5c8
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@@ -41,7 +41,13 @@ namespace HandyControl.Controls
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protected sealed override void UpdateDots()
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{
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if (DotCount < 1) return;
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var dotCount = DotCount;
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var dotInterval = DotInterval;
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var dotSpeed = DotSpeed;
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var dotDelayTime = DotDelayTime;
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var needHidden = NeedHidden;
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if (dotCount < 1) return;
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PrivateCanvas.Children.Clear();
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//定义动画
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@@ -51,16 +57,16 @@ namespace HandyControl.Controls
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};
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//创建圆点
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for (var i = 0; i < DotCount; i++)
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for (var i = 0; i < dotCount; i++)
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{
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var border = CreateBorder(i);
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var border = CreateBorder(i, dotInterval, needHidden);
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var framesMove = new DoubleAnimationUsingKeyFrames
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{
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BeginTime = TimeSpan.FromMilliseconds(DotDelayTime * i)
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BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
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};
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var subAngle = -DotInterval * i;
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var subAngle = -dotInterval * i;
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//开始位置
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var frame0 = new LinearDoubleKeyFrame
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@@ -77,14 +83,14 @@ namespace HandyControl.Controls
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EasingMode = EasingMode.EaseOut
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},
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Value = 180 + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed * (0.75 / 7)))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (0.75 / 7)))
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};
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//第一次匀速开始到第一次匀速结束
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var frame2 = new LinearDoubleKeyFrame
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{
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Value = 180 + DotOffSet + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed * (2.75 / 7)))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (2.75 / 7)))
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};
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//第一次匀速结束到匀加速结束
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@@ -95,7 +101,7 @@ namespace HandyControl.Controls
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EasingMode = EasingMode.EaseIn
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},
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Value = 360 + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed * (3.5 / 7)))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (3.5 / 7)))
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};
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//匀加速结束到匀减速结束
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@@ -106,14 +112,14 @@ namespace HandyControl.Controls
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EasingMode = EasingMode.EaseOut
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},
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Value = 540 + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed * (4.25 / 7)))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (4.25 / 7)))
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};
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//匀减速结束到第二次匀速结束
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var frame5 = new LinearDoubleKeyFrame
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{
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Value = 540 + DotOffSet + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed * (6.25 / 7)))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (6.25 / 7)))
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};
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//第二次匀速结束到匀加速结束
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@@ -124,7 +130,7 @@ namespace HandyControl.Controls
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EasingMode = EasingMode.EaseIn
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},
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Value = 720 + subAngle,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
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};
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framesMove.KeyFrames.Add(frame0);
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@@ -145,13 +151,13 @@ namespace HandyControl.Controls
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var frame7 = new DiscreteObjectKeyFrame
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{
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Value = Visibility.Collapsed,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
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};
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var frame8 = new DiscreteObjectKeyFrame
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{
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Value = Visibility.Collapsed,
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(DotSpeed + 0.4))
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KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed + 0.4))
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};
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var frame9 = new DiscreteObjectKeyFrame
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@@ -161,7 +167,7 @@ namespace HandyControl.Controls
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};
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var framesVisibility = new ObjectAnimationUsingKeyFrames
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{
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BeginTime = TimeSpan.FromMilliseconds(DotDelayTime * i)
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BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
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};
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framesVisibility.KeyFrames.Add(frame9);
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framesVisibility.KeyFrames.Add(frame7);
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@@ -176,14 +182,14 @@ namespace HandyControl.Controls
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Storyboard.Begin();
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}
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private Border CreateBorder(int index)
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private Border CreateBorder(int index, double dotInterval, bool needHidden)
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{
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var ellipse = CreateEllipse(index);
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ellipse.HorizontalAlignment = HorizontalAlignment.Center;
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ellipse.VerticalAlignment = VerticalAlignment.Bottom;
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var rt = new RotateTransform
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{
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Angle = -DotInterval * index
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Angle = -dotInterval * index
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};
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var myTransGroup = new TransformGroup();
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myTransGroup.Children.Add(rt);
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@@ -192,7 +198,7 @@ namespace HandyControl.Controls
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RenderTransformOrigin = new Point(0.5, 0.5),
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RenderTransform = myTransGroup,
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Child = ellipse,
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Visibility = NeedHidden ? Visibility.Collapsed : Visibility.Visible
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Visibility = needHidden ? Visibility.Collapsed : Visibility.Visible
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};
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border.SetBinding(WidthProperty, new Binding("Width") { Source = this });
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border.SetBinding(HeightProperty, new Binding("Height") { Source = this });
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