/// <summary>
/// Updates the Color Wheel based on input from color source.
/// </summary>
/// <param name="rgb"></param>
private HSV SetColorWheelLocation(RGB rgb)
{
Grid grid = this.FindName("ColorWheel") as Grid;
Ellipse ellipse = this.FindName("ColorWheelCircle") as Ellipse;
HSV hsv = ColorConverter.RGBtoHSV(rgb);
double angle = (Math.PI / 180) * hsv.H;
double radian = (grid.Width / 2) * hsv.S;
double x = radian * Math.Cos(angle);
double y = radian * Math.Sin(angle);
// UI elements to have new color value
CurrentColor = rgb;
ellipse.Fill = rgb.CreateSolidColorBrush();
ellipse.Margin = new Thickness(
x + grid.Width / 2,
y + grid.Height / 2,
0,
0);
return(hsv);
}
/// <summary>
/// Colors the power button with the provided highlight.
/// </summary>
/// <param name=""></param>
private void ShowHightlightColor(ButtonState powerButtonState)
{
// Entity name should match current color for Dark theme only
if (RequestedTheme == ElementTheme.Dark)
{
TextBlock textBlock = FindName("DeviceText") as TextBlock;
textBlock.Foreground = CurrentColor.CreateSolidColorBrush();
}
// Power button should also match but only when enabled and not in a pressed state
BitmapIcon bitmapIcon = this.FindName("ButtonPower") as BitmapIcon;
if (powerButtonState == ButtonState.NotPressed)
{
if (string.Equals(PanelEntity.State, "on", StringComparison.InvariantCultureIgnoreCase))
{
// On
if (RequestedTheme == ElementTheme.Dark)
{
bitmapIcon.Foreground = CurrentColor.CreateSolidColorBrush();
}
else
{
// Button will not be visible while in Light theme so simply use Foreground color here.
bitmapIcon.Foreground = this.Foreground;
}
}
else
{
// Off
bitmapIcon.Foreground = new SolidColorBrush(Colors.DarkGray);
}
}
else
{
// Pressed
bitmapIcon.Foreground = new SolidColorBrush(Colors.Gray);
}
}
/// <summary>
/// Updates the ColorTemperature slider.
/// </summary>
/// <param name="colorTemperature"></param>
/// <param name="maxColorTemperature"></param>
/// <param name="minColorTemperature"></param>
private void UpdateColorTemperatureControl(int colorTemperature)
{
Ellipse ellipse = this.FindName("ColorTemperatureCircle") as Ellipse;
Rectangle rectangle = this.FindName("ColorTemperature") as Rectangle;
Grid grid = this.FindName("ColorTemperatureRoot") as Grid;
colorTemperature = Math.Min(colorTemperature, MaximumColorTemperature);
colorTemperature = Math.Max(colorTemperature, MinimumColorTemperature);
double percentage = (double)(colorTemperature - MinimumColorTemperature) / (double)(MaximumColorTemperature - MinimumColorTemperature);
double offset = (grid.Width - rectangle.Width) / 2 - (ellipse.Width / 2);
CurrentColor = RGB.GetBlendedColor(percentage, Colors.Gold, Colors.LightCyan);
ellipse.Fill = CurrentColor.CreateSolidColorBrush();
ellipse.Margin = new Thickness(
(1.0 - percentage) * rectangle.Width + offset, 0, 0, 0);
}