public HSLColor(RgbColor color)
{
m_hue = 0;
m_saturation = 1;
m_lightness = 1;
FromRGB(color);
}
void FromRGB(RgbColor cc)
{
double r = (double)cc.R / 255d;
double g = (double)cc.G / 255d;
double b = (double)cc.B / 255d;
double min = Math.Min(Math.Min(r, g), b);
double max = Math.Max(Math.Max(r, g), b);
// calulate hue according formula given in
// "Conversion from RGB to HSL or HSV"
m_hue = 0;
if (min != max)
{
if (r == max && g >= b)
{
m_hue = 60 * ((g - b) / (max - min)) + 0;
}
else
if (r == max && g < b)
{
m_hue = 60 * ((g - b) / (max - min)) + 360;
}
else
if (g == max)
{
m_hue = 60 * ((b - r) / (max - min)) + 120;
}
else
if (b == max)
{
m_hue = 60 * ((r - g) / (max - min)) + 240;
}
}
// find lightness
m_lightness = (min + max) / 2;
// find saturation
if (m_lightness == 0 || min == max)
{
m_saturation = 0;
}
else
if (m_lightness > 0 && m_lightness <= 0.5)
{
m_saturation = (max - min) / (2 * m_lightness);
}
else
if (m_lightness > 0.5)
{
m_saturation = (max - min) / (2 - 2 * m_lightness);
}
}
void FromRGB(RgbColor cc)
{
double r = (double)cc.R / 255d;
double g = (double)cc.G / 255d;
double b = (double)cc.B / 255d;
double min = Math.Min(Math.Min(r, g), b);
double max = Math.Max(Math.Max(r, g), b);
// calulate hue according formula given in
// "Conversion from RGB to HSL or HSV"
m_hue = 0;
if (min != max)
{
if (r == max && g >= b)
{
m_hue = 60 * ((g - b) / (max - min)) + 0;
}
else
if (r == max && g < b)
{
m_hue = 60 * ((g - b) / (max - min)) + 360;
}
else
if (g == max)
{
m_hue = 60 * ((b - r) / (max - min)) + 120;
}
else
if (b == max)
{
m_hue = 60 * ((r - g) / (max - min)) + 240;
}
}
// find lightness
m_lightness = (min+max)/2;
// find saturation
if (m_lightness == 0 ||min == max)
m_saturation = 0;
else
if (m_lightness > 0 && m_lightness <= 0.5)
m_saturation = (max-min)/(2*m_lightness);
else
if (m_lightness > 0.5)
m_saturation = (max-min)/(2-2*m_lightness);
}
/// <summary>
/// Converts HEX string or name of the RGB color. For example #123456, blue, red, orange
/// </summary>
/// <returns>The string.</returns>
/// <param name="color">Color string.</param>
public static RgbColor FromString(String color)
{
RgbColor result = new RgbColor();
if (_NamesToHex.ContainsKey(color.ToLower()))
{
color = _NamesToHex[color.ToLower()];
}
else
{
if (!IsValidColor(color))
{
throw new Exception("Color value is invalid");
}
}
result.R = Convert.ToByte(color.Substring(1, 2), 16);
result.G = Convert.ToByte(color.Substring(3, 2), 16);
result.B = Convert.ToByte(color.Substring(5, 2), 16);
return(result);
}
/// <summary>
/// Blink the LED.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="repeats">How many times to repeat (default 1)</param>
/// <param name="delay">Delay delay between on/off sequences (default 500)</param>
public void Blink(RgbColor color, int repeats = 1, int delay = 500)
{
this.Blink(0, 0, color, repeats, delay);
}
/// <summary>
/// Blink the LED on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="repeats">How many times to repeat (default 1)</param>
/// <param name="delay">Delay delay between on/off sequences (default 500)</param>
public void Blink(byte channel, byte index, RgbColor color, int repeats = 1, int delay = 500)
{
this.Blink(channel, index, color.R, color.G, color.B, repeats, delay);
}
/// <summary>
/// Blink the LED on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="repeats">How many times to repeat (default 1)</param>
/// <param name="delay">Delay delay between on/off sequences (default 500)</param>
public void Blink(byte channel, byte index, string color, int repeats = 1, int delay = 500)
{
this.Blink(channel, index, RgbColor.FromString(color), repeats, delay);
}
/// <summary>
/// Blink the LED on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="repeats">How many times to repeat (default 1)</param>
/// <param name="delay">Delay delay between on/off sequences (default 500)</param>
public void Blink(byte channel, byte index, RgbColor color, int repeats=1, int delay=500)
{
this.Blink(channel, index, color.R, color.G, color.B, repeats, delay);
}
/// <summary>
/// Froms the rgb value from int components.
/// </summary>
/// <returns>The rgb.</returns>
/// <param name="r">The red component.</param>
/// <param name="g">The green component.</param>
/// <param name="b">The blue component.</param>
public static RgbColor FromRgb(int r, int g, int b)
{
RgbColor color = new RgbColor();
color.R = (byte)r;
color.G = (byte)g;
color.B = (byte)b;
return color;
}
/// <summary>
/// Morph from current color to new color.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Morph(RgbColor color, int duration = 1000, int steps = 50)
{
this.Morph(0, 0, color, duration, steps);
}
/// <summary>
/// Pulse specified color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Pulse(byte channel, byte index, string color, int repeats = 1, int duration = 1000, int steps = 50)
{
this.Pulse(channel, index, RgbColor.FromString(color), repeats, duration, steps);
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="color">Color as RgbColor class.</param>
public void SetColor(RgbColor color)
{
SetColor(color.R, color.G, color.B);
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
public void SetColor(byte channel, byte index, RgbColor color)
{
SetColor(channel, index, color.R, color.G, color.B);
}
/// <summary>
/// Pulse specified color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Pulse(byte channel, byte index, RgbColor color, int repeats=1, int duration=1000, int steps=50)
{
this.Pulse(channel, index, color.R, color.G, color.B, repeats, duration, steps);
}
/// <summary>
/// Pulse specified color.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Pulse(RgbColor color, int repeats=1, int duration=1000, int steps=50)
{
this.Pulse(0, 0, color, repeats, duration, steps);
}
/// <summary>
/// Morph from current color to new color.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Morph(RgbColor color, int duration=1000, int steps=50)
{
this.Morph(0, 0, color, duration, steps);
}
/// <summary>
/// Morph from current color to new color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Morph(byte channel, byte index, RgbColor color, int duration=1000, int steps=50)
{
this.Morph(channel, index, color.R, color.G, color.B, duration, steps);
}
/// <summary>
/// Blink the LED.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="repeats">How many times to repeat (default 1)</param>
/// <param name="delay">Delay delay between on/off sequences (default 500)</param>
public void Blink(RgbColor color, int repeats=1, int delay=500)
{
this.Blink(0, 0, color, repeats, delay);
}
/// <summary>
/// Morph from current color to new color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Morph(byte channel, byte index, RgbColor color, int duration = 1000, int steps = 50)
{
this.Morph(channel, index, color.R, color.G, color.B, duration, steps);
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="color">Must be in #rrggbb format</param>
public void SetColor(String color)
{
SetColor(RgbColor.FromString(color));
}
/// <summary>
/// Morph from current color to new color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Morph(byte channel, byte index, string color, int duration = 1000, int steps = 50)
{
this.Morph(channel, index, RgbColor.FromString(color), duration, steps);
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
public void SetColor(byte channel, byte index, string color)
{
SetColor(channel, index, RgbColor.FromString(color));
}
/// <summary>
/// Pulse specified color on BlinkStick Pro.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Pulse(byte channel, byte index, RgbColor color, int repeats = 1, int duration = 1000, int steps = 50)
{
this.Pulse(channel, index, color.R, color.G, color.B, repeats, duration, steps);
}
/// <summary>
/// Froms the color of the GDK color.
/// </summary>
/// <returns>The gdk color.</returns>
/// <param name="r">The red component.</param>
/// <param name="g">The green component.</param>
/// <param name="b">The blue component.</param>
public static RgbColor FromGdkColor(ushort r, ushort g, ushort b)
{
RgbColor color = new RgbColor();
color.R = (byte)(r / 0x100);
color.G = (byte)(g / 0x100);
color.B = (byte)(b / 0x100);
return color;
}
/// <summary>
/// Pulse specified color.
/// </summary>
/// <param name="color">Must be in #rrggbb format or named color ("red", "green", "blue")</param>
/// <param name="duration">How long should the morph last</param>
/// <param name="steps">How many steps for color changes</param>
public void Pulse(RgbColor color, int repeats = 1, int duration = 1000, int steps = 50)
{
this.Pulse(0, 0, color, repeats, duration, steps);
}
/// <summary>
/// Converts HEX string or name of the RGB color. For example #123456, blue, red, orange
/// </summary>
/// <returns>The string.</returns>
/// <param name="color">Color string.</param>
public static RgbColor FromString (String color)
{
RgbColor result = new RgbColor();
if (_NamesToHex.ContainsKey(color.ToLower()))
{
color = _NamesToHex[color.ToLower()];
}
else
{
if (!IsValidColor(color))
throw new Exception("Color value is invalid");
}
result.R = Convert.ToByte(color.Substring(1, 2), 16);
result.G = Convert.ToByte(color.Substring(3, 2), 16);
result.B = Convert.ToByte(color.Substring(5, 2), 16);
return result;
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="color">Color as RgbColor class.</param>
public void SetColor(RgbColor color)
{
SetColor(color.R, color.G, color.B);
}
/// <summary>
/// Get black color.
/// </summary>
public static RgbColor Black()
{
return(RgbColor.FromRgb(0, 0, 0));
}
/// <summary>
/// Sets the color of the led.
/// </summary>
/// <param name="channel">Channel (0 - R, 1 - G, 2 - B)</param>
/// <param name="index">Index of the LED</param>
/// <param name="color">Color parameter as RgbColor class instance</param>
public void SetColor(byte channel, byte index, RgbColor color)
{
SetColor(channel, index, color.R, color.G, color.B);
}
RgbColor ToRGB()
{
// convert to RGB according to
// "Conversion from HSL to RGB"
double r = m_lightness;
double g = m_lightness;
double b = m_lightness;
if (m_saturation == 0)
{
return(RgbColor.FromRgb((int)(r * 255), (int)(g * 255), (int)(b * 255)));
}
double q = 0;
if (m_lightness < 0.5)
{
q = m_lightness * (1 + m_saturation);
}
else
{
q = m_lightness + m_saturation - (m_lightness * m_saturation);
}
double p = 2 * m_lightness - q;
double hk = m_hue / 360;
// r,g,b colors
double[] tc = new double[3] {
hk + (1d / 3d), hk, hk - (1d / 3d)
};
double[] colors = new double[3] {
0, 0, 0
};
for (int color = 0; color < colors.Length; color++)
{
if (tc[color] < 0)
{
tc[color] += 1;
}
if (tc[color] > 1)
{
tc[color] -= 1;
}
if (tc[color] < (1d / 6d))
{
colors[color] = p + ((q - p) * 6 * tc[color]);
}
else
if (tc[color] >= (1d / 6d) && tc[color] < (1d / 2d))
{
colors[color] = q;
}
else
if (tc[color] >= (1d / 2d) && tc[color] < (2d / 3d))
{
colors[color] = p + ((q - p) * 6 * (2d / 3d - tc[color]));
}
else
{
colors[color] = p;
}
colors[color] *= 255; // convert to value expected by Color
}
return(RgbColor.FromRgb((int)colors[0], (int)colors[1], (int)colors[2]));
}
