|
public static FromRgb ( int r, int g, int b ) : |
||
| r | int | The red component. |
| g | int | The green component. |
| b | int | The blue component. |
| Результат | ||
/// <summary>
/// Get black color.
/// </summary>
public static RgbColor Black()
{
return(RgbColor.FromRgb(0, 0, 0));
}
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]));
}
