/// <summary>
/// Algorithm taken on http://www.codeproject.com/Articles/17044/Find-the-Nearest-Color-with-C-Using-the-Euclidean
/// </summary>
private MinecraftColor GetClosestMinecraftColor(ImageColor pixelColor)
{
// set a default color
MinecraftColor nearestColor = MinecraftColor.Black;
double minimumDistance = 500;
double pixelRed = Convert.ToDouble(pixelColor.R);
double pixelGreen = Convert.ToDouble(pixelColor.G);
double pixelBlue = Convert.ToDouble(pixelColor.B);
foreach (var color in _colorPalette)
{
// compute the Euclidean distance between the two colors
var red = Math.Pow(color.Key.R - pixelRed, 2.0);
var green = Math.Pow(color.Key.G - pixelGreen, 2.0);
var blue = Math.Pow(color.Key.B - pixelBlue, 2.0);
var temp = Math.Sqrt(blue + green + red);
// explore the result and store the nearest color
if (temp == 0.0)
{
nearestColor = color.Value;
break;
}
else if (temp < minimumDistance)
{
minimumDistance = temp;
nearestColor = color.Value;
}
}
return(nearestColor);
}
public GirlRating(double crazy, double hot, int roll, string advice)
{
Crazy = crazy;
Hot = hot;
Roll = roll;
Advice = advice; // convenient to have it here, even though atm there are only few different ones.
Url = new AsyncLazy <string>(async() =>
{
try
{
using (var ms = new MemoryStream(NadekoBot.Images.WifeMatrix.ToArray(), false))
using (var img = new ImageSharp.Image(ms))
{
var clr = new ImageSharp.Color(0x0000ff);
const int minx = 35;
const int miny = 385;
const int length = 345;
var pointx = (int)(minx + length * (Hot / 10));
var pointy = (int)(miny - length * ((Crazy - 4) / 6));
var p = new Pen(ImageSharp.Color.Red, 5);
//using (var pointMs = File.ReadAllBytes("data/images/point.png").ToStream())
//using (var pointIMg = new ImageSharp.Image(pointMs))
//{
// img.DrawImage(pointIMg, 100, new ImageSharp.Size(100, 100), new Point(pointx, pointy));
//}
string url;
using (var http = new HttpClient())
using (var imgStream = new MemoryStream())
{
img.Save(imgStream);
var byteContent = new ByteArrayContent(imgStream.ToArray());
http.AddFakeHeaders();
var reponse = await http.PutAsync("https://transfer.sh/img.png", byteContent);
url = await reponse.Content.ReadAsStringAsync();
}
return(url);
}
}
catch (Exception ex)
{
_log.Warn(ex);
return(null);
}
});
}
public void PackUsingPointers()
{
Vector4 *sp = (Vector4 *)this.source.Pointer;
byte * dp = (byte *)this.destination.Pointer;
int count = this.Count;
int size = sizeof(ImageSharp.Color);
for (int i = 0; i < count; i++)
{
Vector4 v = Unsafe.Read <Vector4>(sp);
ImageSharp.Color c = default(ImageSharp.Color);
c.PackFromVector4(v);
Unsafe.Write(dp, c);
sp++;
dp += size;
}
}