public LifxBulb(byte[] mac, IPhysicalLed led)
{
this.led = led;
this.label = "Demo";
this.Tags = new byte[LifxConst.BulbTagsLength];
this.TagLabels = string.Empty;
this.Address = BitHelper.ReadUInt64(mac, 0);
this.colorHsbk = new LifxHsbkColor
{
Brightness = 1,
Hue = 300,
Saturation = 0,
Kelvin = 2000
};
this.colorRgb = this.colorHsbk.ToRgb();
this.Power = 65535;
this.Location = "Home";
}
public static LifxHsbkColor ToHsbk(LifxRgbColor color)
{
var result = new LifxHsbkColor();
int max = Math.Max(color.Red, Math.Max(color.Green, color.Blue));
int min = Math.Min(color.Red, Math.Min(color.Green, color.Blue));
result.Brightness = max; // v
var delta = max - min;
if (max > 0.0)
{
result.Saturation = delta / max; // s
}
else
{
// r = g = b = 0 // s = 0, v is undefresulted
result.Saturation = 0;
result.Hue = -1; // NAN; // its now undefresulted
return result;
}
if (color.Red >= max) // > is bogus, just keeps compilor happy
{
result.Hue = (color.Green - color.Blue) / delta; // between yellow & magenta
}
else if (color.Green >= max)
{
result.Hue = (ushort)(2.0 + (color.Blue - color.Red) / delta); // between cyan & yellow
}
else
{
result.Hue = (ushort)(4.0 + (color.Red - color.Green) / delta); // between magenta & cyan
}
result.Hue *= 60.0; // degrees
if (result.Hue < 0.0)
{
result.Hue += 360.0;
}
return result;
}
public static LifxRgbColor ToRgb(long kelvin)
{
var result = new LifxRgbColor();
var temperature = kelvin / 100;
if (temperature <= 66)
{
result.Red = 255;
}
else
{
var red = (int)temperature - 60;
red = (int)(329.698727446 * Math.Pow(red, -0.1332047592));
if (red < 0)
{
result.Red = 0;
}
else if (red > 255)
{
result.Red = 255;
}
else
{
result.Red = (byte)red;
}
}
if (temperature <= 66)
{
var green = (int)temperature;
green = (int)(99.4708025861 * Math.Log(green) - 161.1195681661);
if (green < 0)
{
result.Green = 0;
}
else if (result.Green > 255)
{
result.Green = 255;
}
else
{
result.Green = (byte)green;
}
}
else
{
var green = (int)(temperature - 60);
green = (int)(288.1221695283 * Math.Pow(green, -0.0755148492));
if (green < 0)
{
result.Green = 0;
}
else if (result.Green > 255)
{
result.Green = 255;
}
else
{
result.Green = (byte)green;
}
}
if (temperature >= 66)
{
result.Blue = 255;
}
else
{
if (temperature <= 19)
{
result.Blue = 0;
}
else
{
var blue = (int)(temperature - 10);
blue = (int)(138.5177312231 * Math.Log(blue) - 305.0447927307);
if (blue < 0)
{
result.Blue = 0;
}
else if (blue > 255)
{
result.Blue = 255;
}
else
{
result.Blue = (byte)blue;
}
}
}
return result;
}
private void FadeTo(LifxRgbColor toColor, TimeSpan delay)
{
this.fadingStep = 0;
this.fadeFrom = this.CurrentColor;
this.fadeTo = toColor;
this.StartFading(this.FadeDelay);
}
private void Callback(object state)
{
this.color = Fade(this.fadeFrom, this.fadeTo, this.fadingStep, this.FadeSteps);
//this.colorHsv = Fade(this.fadeFrom, this.fadeTo, this.fadingStep, this.FadeSteps)
this.ApplyColor(this.color);
this.fadingStep++;
if (this.FadeSteps == this.fadingStep)
{
this.StopFading();
switch (this.mode)
{
case LifxBulbMode.RandomHue:
this.FadeTo(new LifxRgbColor(), this.FadeDelay);
break;
case LifxBulbMode.Fixed:
return;
}
}
}
private static LifxRgbColor Fade(LifxRgbColor from, LifxRgbColor to, int step, int steps)
{
var red = (byte)Fade(from.Red, to.Red, step, steps);
var green = (byte)Fade(from.Red, to.Red, step, steps);
var blue = (byte)Fade(from.Red, to.Red, step, steps);
return new LifxRgbColor(red, green, blue);
}
protected abstract void ApplyColor(LifxRgbColor color);
public void FadeTo(LifxRgbColor toColor)
{
this.FadeTo(toColor, TimeSpan.Zero);
}
