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Add examples of how to use Spectre.Console

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This commit is contained in:
Patrik Svensson
2020-08-12 14:25:26 +02:00
parent 1d74fb909c
commit 0119364728
12 changed files with 445 additions and 3 deletions
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77
examples/Colors/Utilities.cs Normal file
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using System;
using Spectre.Console;
namespace ColorExample
{
public static class Utilities
{
// Borrowed from https://geekymonkey.com/Programming/CSharp/RGB2HSL_HSL2RGB.htm
public static Color HSL2RGB(double h, double sl, double l)
{
double v;
double r, g, b;
r = l; // default to gray
g = l;
b = l;
v = (l <= 0.5) ? (l * (1.0 + sl)) : (l + sl - l * sl);
if (v > 0)
{
double m;
double sv;
int sextant;
double fract, vsf, mid1, mid2;
m = l + l - v;
sv = (v - m) / v;
h *= 6.0;
sextant = (int)h;
fract = h - sextant;
vsf = v * sv * fract;
mid1 = m + vsf;
mid2 = v - vsf;
switch (sextant)
{
case 0:
r = v;
g = mid1;
b = m;
break;
case 1:
r = mid2;
g = v;
b = m;
break;
case 2:
r = m;
g = v;
b = mid1;
break;
case 3:
r = m;
g = mid2;
b = v;
break;
case 4:
r = mid1;
g = m;
b = v;
break;
case 5:
r = v;
g = m;
b = mid2;
break;
}
}
return new Color(
Convert.ToByte(r * 255.0f),
Convert.ToByte(g * 255.0f),
Convert.ToByte(b * 255.0f));
}
}
}