public static ColorAnimationUsingKeyFrames BlinkAnimation(Color startColor)
        {
            var toRed = new DiscreteColorKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(100)),
                Value   = Colors.Red
            };
            var keepRed = new DiscreteColorKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(500)),
                Value   = Colors.Red
            };
            var back = new LinearColorKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(1500)),
                Value   = startColor
            };

            var colorAnimationUsingKeyFrames = new ColorAnimationUsingKeyFrames();
            ColorKeyFrameCollection colorKeyFrameCollection = colorAnimationUsingKeyFrames.KeyFrames;

            colorKeyFrameCollection.Add(toRed);
            colorKeyFrameCollection.Add(keepRed);
            colorKeyFrameCollection.Add(back);

            return(colorAnimationUsingKeyFrames);
        }
        public static ColorAnimationUsingKeyFrames FreeAnimation(Color startColor)
        {
            // mutued from XAML example at https://docs.microsoft.com/en-us/uwp/api/Windows.UI.Xaml.Media.Animation.ColorAnimation

            var linearColorKeyFrame = new LinearColorKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(2000)),
                Value   = Colors.Red
            };
            var discreteColorKeyFrame = new DiscreteColorKeyFrame
            {
                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(2500)),
                Value   = Colors.Yellow
            };
            var splineColorKeyFrame = new SplineColorKeyFrame
            {
                KeyTime   = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(4500)),
                Value     = startColor,
                KeySpline = new KeySpline {
                    ControlPoint1 = new Point(0.6, 0.0), ControlPoint2 = new Point(0.9, 0.0)
                }
            };

            var colorAnimationUsingKeyFrames = new ColorAnimationUsingKeyFrames();
            ColorKeyFrameCollection colorKeyFrameCollection = colorAnimationUsingKeyFrames.KeyFrames;

            colorKeyFrameCollection.Add(linearColorKeyFrame);
            colorKeyFrameCollection.Add(discreteColorKeyFrame);
            colorKeyFrameCollection.Add(splineColorKeyFrame);

            return(colorAnimationUsingKeyFrames);
        }
        public static Timeline EaseAnimation(Color startColor)
        {
            // docs https://docs.microsoft.com/en-us/windows/uwp/graphics/key-frame-and-easing-function-animations#easing-functions

            var toRed = new EasingColorKeyFrame
            {
                KeyTime        = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(500)),
                Value          = Colors.Red,
                EasingFunction = new BounceEase {
                    Bounces = 1, EasingMode = EasingMode.EaseIn
                }
            };
            var back = new EasingColorKeyFrame
            {
                KeyTime        = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(2000)),
                Value          = startColor,
                EasingFunction = new SineEase {
                    EasingMode = EasingMode.EaseIn
                }
            };

            var colorAnimationUsingKeyFrames = new ColorAnimationUsingKeyFrames();
            ColorKeyFrameCollection colorKeyFrameCollection = colorAnimationUsingKeyFrames.KeyFrames;

            colorKeyFrameCollection.Add(toRed);
            colorKeyFrameCollection.Add(back);

            return(colorAnimationUsingKeyFrames);
        }
Пример #4
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        private void BeginColorAnimation(ref TextBlock txt, Color c0, Color c1, Color c2)
        {
            SolidColorBrush brushSC = new SolidColorBrush();

            ColorAnimationUsingKeyFrames caKeyFrames = new ColorAnimationUsingKeyFrames();

            ColorKeyFrameCollection keyFrames0 = caKeyFrames.KeyFrames;

            keyFrames0.Add(new LinearColorKeyFrame(c0, TimeSpan.FromSeconds(0)));
            keyFrames0.Add(new LinearColorKeyFrame(c1, TimeSpan.FromSeconds(2)));
            keyFrames0.Add(new LinearColorKeyFrame(c2, TimeSpan.FromSeconds(4)));
            keyFrames0.Add(new LinearColorKeyFrame(c0, TimeSpan.FromSeconds(6)));
            caKeyFrames.RepeatBehavior = RepeatBehavior.Forever;
            caKeyFrames.AutoReverse    = true;

            brushSC.BeginAnimation(SolidColorBrush.ColorProperty, caKeyFrames, HandoffBehavior.Compose);

            txt.Foreground = brushSC;
        }