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本文实例讲述了C#实现HSL颜色值转换为RGB的方法。分享给大家供大家参考。具体实现方法如下：
//This method converts the values to RGB
public RgbColor HslToRgb(int Hue, int Saturation, int Lightness)
{
double num4 = 0.0;
double num5 = 0.0;
double num6 = 0.0;
double num = ((double)Hue) % 360.0;
double num2 = ((double)Saturation) / 100.0;
double num3 = ((double)Lightness) / 100.0;
if (num2 == 0.0)
{
num4 = num3;
num5 = num3;
num6 = num3;
}
else
{
double d = num / 60.0;
int num11 = (int)Math.Floor(d);
double num10 = d - num11;
double num7 = num3 * (1.0 - num2);
double num8 = num3 * (1.0 - (num2 * num10));
double num9 = num3 * (1.0 - (num2 * (1.0 - num10)));
switch (num11)
{
case 0:
num4 = num3;
num5 = num9;
num6 = num7;
break;
case 1:
num4 = num8;
num5 = num3;
num6 = num7;
break;
case 2:
num4 = num7;
num5 = num3;
num6 = num9;
break;
case 3:
num4 = num7;
num5 = num8;
num6 = num3;
break;
case 4:
num4 = num9;
num5 = num7;
num6 = num3;
break;
case 5:
num4 = num3;
num5 = num7;
num6 = num8;
break;
}
}
return new RgbColor((int)(num4 * 255.0), (int)(num5 * 255.0), (int)(num6 * 255.0));
}
//The structure that will hold the RGB Values
public struct RgbColor
{
public RgbColor(int r, int g, int b)
{
red = r;
green = g;
blue = b;
}
public int red;
public int green;
public int blue;
}
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希望本文所述对大家的C#程序设计有所帮助。
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