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);
}
private static ColorKeyFrame CreateColorKeyFrmas(KeyFrames <Color> Model)
{
ColorKeyFrame frame = null;
switch (Model.Type)
{
case KeyFramesType.Spline: frame = new SplineColorKeyFrame()
{
KeySpline = Model.Spline
}; break;
case KeyFramesType.Linear: frame = new LinearColorKeyFrame(); break;
case KeyFramesType.Easing: frame = new EasingColorKeyFrame()
{
EasingFunction = Model.EasingFunction
}; break;
case KeyFramesType.Discrete: frame = new DiscreteColorKeyFrame(); break;
default: break;
}
frame.KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(Model.KeyTime));
frame.Value = Model.Value;
return(frame);
}
/// <summary>
/// In order to ripple the value up we claculate the time
/// to on for each block
/// </summary>
private void SetTimerDelay()
{
for (int i = 0; i < NumberOfLeds; i++)
{
this.SetLedColours(i);
double time = ((double)NumberOfLeds - i) / (double)NumberOfLeds;
int endMs = (int)(100 * time);
int startMs = (int)(100 * (time - (1 / (double)NumberOfLeds)));
SplineColorKeyFrame start = LayoutRoot.FindName("_startColour" + i) as SplineColorKeyFrame;
SplineColorKeyFrame end = LayoutRoot.FindName("_endColour" + i) as SplineColorKeyFrame;
if (end != null && start != null)
{
start.SetValue(SplineColorKeyFrame.KeyTimeProperty, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, startMs)));
end.SetValue(SplineColorKeyFrame.KeyTimeProperty, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, endMs)));
}
}
}
/// <summary>
/// Sets the color according to On or off of a single LED
/// </summary>
/// <param name="i">The index of he led to set the color for</param>
private void SetLedColours(int i)
{
SplineColorKeyFrame start = LayoutRoot.FindName("_startColour" + i) as SplineColorKeyFrame;
if (start != null)
{
start.Value = this.LedOffColor;
}
SplineColorKeyFrame end = LayoutRoot.FindName("_endColour" + i) as SplineColorKeyFrame;
if (end != null)
{
end.Value = this.LedOnColor;
}
Rectangle led = LayoutRoot.FindName("_led" + i) as Rectangle;
if (led != null)
{
led.Stroke = this.MeterBorderBrush;
led.Fill = this.LedOffBrush;
}
}
