1
0
mirror of synced 2024-12-14 08:32:59 +01:00
Switch-Toolbox/Switch_Toolbox_Library/IO/HSVPixel.cs

83 lines
2.5 KiB
C#
Raw Normal View History

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
namespace Toolbox.Library.IO
{
//Based on
//https://github.com/libertyernie/brawltools/blob/40d7431b1a01ef4a0411cd69e51411bd581e93e2/BrawlLib/Imaging/PixelTypes.cs
public class HSVPixel
{
public ushort H { get; set; }
public byte S { get; set; }
public byte V { get; set; }
public HSVPixel(ushort h, byte s, byte v) { H = h; S = s; V = v; }
public static HSVPixel FromRGBA(Color p)
{
HSVPixel outp = new HSVPixel(0,0,0);
int min = Math.Min(Math.Min(p.R, p.G), p.B);
int max = Math.Max(Math.Max(p.R, p.G), p.B);
int diff = max - min;
if (diff == 0)
{
outp.H = 0;
outp.S = 0;
}
else
{
if (max == p.R)
outp.H = (ushort)((60 * ((float)(p.G - p.B) / diff) + 360) % 360);
else if (max == p.G)
outp.H = (ushort)(60 * ((float)(p.B - p.R) / diff) + 120);
else
outp.H = (ushort)(60 * ((float)(p.R - p.G) / diff) + 240);
if (max == 0)
outp.S = 0;
else
outp.S = (byte)(diff * 100 / max);
}
outp.V = (byte)(max * 100 / 255);
return outp;
}
public Color ToRGBA()
{
var color = new Color();
byte v = (byte)(V * 255 / 100);
if (S == 0)
color = Color.FromArgb(255,v,v,v);
else
{
int h = (H / 60) % 6;
float f = (H / 60.0f) - (H / 60);
byte p = (byte)(V * (100 - S) * 255 / 10000);
byte q = (byte)(V * (100 - (int)(f * S)) * 255 / 10000);
byte t = (byte)(V * (100 - (int)((1.0f - f) * S)) * 255 / 10000);
switch (h)
{
case 0: color = Color.FromArgb(255, v, t, p); break;
case 1: color = Color.FromArgb(255, q, v, p); break;
case 2: color = Color.FromArgb(255, p, v, t); break;
case 3: color = Color.FromArgb(255, p, q, v); break;
case 4: color = Color.FromArgb(255, t, p, v); break;
default: color = Color.FromArgb(255, v, p, q); break;
}
}
return color;
}
}
}