private void Update()
{
if (!IsChartInitialized)
{
return;
}
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = (Value - From) / (To - From);
var t = 0d;
if (double.IsNaN(completed) || double.IsInfinity(completed))
{
completed = 0;
}
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Uses360Mode ? 360 : 180;
if (!Uses360Mode)
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.UpdateLayout();
RightLabel.UpdateLayout();
LeftLabel.Visibility = LabelsVisibility;
RightLabel.Visibility = LabelsVisibility;
t = LeftLabel.ActualHeight;
}
else
{
LeftLabel.Visibility = Visibility.Hidden;
RightLabel.Visibility = Visibility.Hidden;
}
double r, top;
if (Uses360Mode)
{
r = ActualWidth > ActualHeight ? ActualHeight : ActualWidth;
r = r / 2 - 2 * t;
top = ActualHeight / 2;
}
else
{
r = ActualWidth;
if (ActualWidth > ActualHeight * 2)
{
r = ActualHeight * 2;
}
else
{
t = 0;
}
r = r / 2 - 2 * t;
top = ActualHeight / 2 + r / 2;
}
if (r < 0)
{
r = 1;
}
PieBack.Radius = r;
PieBack.InnerRadius = InnerRadius ?? r * .6;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius;
Pie.InnerRadius = PieBack.InnerRadius;
Pie.RotationAngle = PieBack.RotationAngle;
Canvas.SetLeft(PieBack, ActualWidth / 2);
Canvas.SetTop(PieBack, top);
Canvas.SetLeft(Pie, ActualWidth / 2);
Canvas.SetTop(Pie, top);
Canvas.SetTop(LeftLabel, top);
Canvas.SetTop(RightLabel, top);
Canvas.SetRight(LeftLabel, ActualWidth / 2 + (r + PieBack.InnerRadius) / 2 - LeftLabel.ActualWidth / 2);
Canvas.SetRight(RightLabel, ActualWidth / 2 - (r + PieBack.InnerRadius) / 2 - RightLabel.ActualWidth / 2);
MeasureTextBlock.FontSize = HighFontSize ?? Pie.InnerRadius * .4;
MeasureTextBlock.Text = (LabelFormatter ?? defFormatter)(Value);
MeasureTextBlock.UpdateLayout();
Canvas.SetTop(MeasureTextBlock, top - MeasureTextBlock.ActualHeight * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2);
PercentTextBlock.FontSize = MeasureTextBlock.FontSize * .4;
PercentTextBlock.Text = "%";
PercentTextBlock.UpdateLayout();
Canvas.SetTop(PercentTextBlock, top - PercentTextBlock.ActualHeight * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(PercentTextBlock, r * 2 - PercentTextBlock.ActualWidth * 2);
TitleTextBlock.FontSize = 14;
TitleTextBlock.Text = Title;
TitleTextBlock.UpdateLayout();
Canvas.SetTop(TitleTextBlock, r * 2 + TitleTextBlock.ActualHeight * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(TitleTextBlock, 0);
var interpolatedColor = new Color
{
R = LinearInterpolation(FromColor.R, ToColor.R),
G = LinearInterpolation(FromColor.G, ToColor.G),
B = LinearInterpolation(FromColor.B, ToColor.B),
A = LinearInterpolation(FromColor.A, ToColor.A)
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(FromColor);
Pie.WedgeAngle = 0;
}
if (DisableAnimations)
{
Pie.WedgeAngle = completed * angle;
}
else
{
Pie.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(completed * angle, AnimationsSpeed));
}
if (GaugeActiveFill == null)
{
((SolidColorBrush)Pie.Fill).BeginAnimation(SolidColorBrush.ColorProperty,
new ColorAnimation(interpolatedColor, AnimationsSpeed));
}
else
{
Pie.Fill = GaugeActiveFill;
}
IsNew = false;
}
private void Update()
{
if (!IsChartInitialized)
{
return;
}
Func <double, string> defFormatter = x => x.ToString(CultureInfo.InvariantCulture);
var completed = Value / (To - From);
var t = 0d;
completed = completed > 1 ? 1 : (completed < 0 ? 0 : completed);
var angle = Uses360Mode ? 360 : 180;
if (!string.IsNullOrWhiteSpace(Title))
{
TitleTextBlock.UpdateLayout();
t = TitleTextBlock.ActualHeight;
Canvas.SetLeft(TitleTextBlock, ActualWidth / 2 - TitleTextBlock.ActualWidth / 2);
}
if (!Uses360Mode)
{
LeftLabel.Text = (LabelFormatter ?? defFormatter)(From);
RightLabel.Text = (LabelFormatter ?? defFormatter)(To);
LeftLabel.UpdateLayout();
RightLabel.UpdateLayout();
LeftLabel.Visibility = Visibility.Visible;
RightLabel.Visibility = Visibility.Visible;
t = LeftLabel.ActualHeight;
}
else
{
LeftLabel.Visibility = Visibility.Hidden;
RightLabel.Visibility = Visibility.Hidden;
}
double r, top;
if (Uses360Mode)
{
r = ActualWidth > ActualHeight ? ActualHeight: ActualWidth;
r = r / 2 - 2 * t;
top = ActualHeight / 2;
}
else
{
r = ActualWidth;
if (ActualWidth > ActualHeight * 2)
{
r = ActualHeight * 2;
}
r = r / 2 - 2 * t;
top = ActualHeight / 2 + r / 2;
}
PieBack.Radius = r;
PieBack.InnerRadius = InnerRadius ?? r * .6;
PieBack.RotationAngle = 270;
PieBack.WedgeAngle = angle;
Pie.Radius = PieBack.Radius;
Pie.InnerRadius = PieBack.InnerRadius;
Pie.RotationAngle = PieBack.RotationAngle;
Canvas.SetLeft(PieBack, ActualWidth / 2);
Canvas.SetTop(PieBack, top);
Canvas.SetLeft(Pie, ActualWidth / 2);
Canvas.SetTop(Pie, top);
Canvas.SetTop(LeftLabel, top);
Canvas.SetTop(RightLabel, top);
Canvas.SetRight(LeftLabel, ActualWidth / 2 + (r + PieBack.InnerRadius) / 2 - LeftLabel.ActualWidth / 2);
Canvas.SetRight(RightLabel, ActualWidth / 2 - (r + PieBack.InnerRadius) / 2 - RightLabel.ActualWidth / 2);
MeasureTextBlock.FontSize = HighFontSize ?? Pie.InnerRadius * .4;
MeasureTextBlock.Text = (LabelFormatter ?? defFormatter)(Value);
MeasureTextBlock.UpdateLayout();
Canvas.SetTop(MeasureTextBlock, top - MeasureTextBlock.ActualHeight * (Uses360Mode ? .5 : 1));
Canvas.SetLeft(MeasureTextBlock, ActualWidth / 2 - MeasureTextBlock.ActualWidth / 2);
var interpolatedColor = new Color
{
R = LinearInterpolation(ToColor.R, FromColor.R),
G = LinearInterpolation(ToColor.G, FromColor.G),
B = LinearInterpolation(ToColor.B, FromColor.B),
A = 255
};
if (IsNew)
{
Pie.Fill = new SolidColorBrush(ToColor);
Pie.WedgeAngle = 0;
}
Pie.BeginAnimation(PieSlice.WedgeAngleProperty, new DoubleAnimation(completed * angle, AnimationsSpeed));
((SolidColorBrush)Pie.Fill).BeginAnimation(SolidColorBrush.ColorProperty,
new ColorAnimation(interpolatedColor, AnimationsSpeed));
IsNew = false;
}