public async Task UserRoleColor(SocketRole role, HexColor color)
{
if (_uow.UserRoleColorBindings.HasBinding(Context.User.Id, role))
{
var allowedRoleColors = (Context.User as IGuildUser).GetRoles().Select(r => r.Color).ToArray();
var forbiddenRoleColors = Context.Guild.Roles.Where(r => r.IsHoisted && r.Id != role.Id);
var converter = new ConverterBuilder().FromRGB().ToLab().Build();
var colorDifference = new CIEDE2000ColorDifference();
var requestedColor = converter.Convert(color.ToRGBColor());
var similarityRadius = _uow.GuildConfigs.For(Context.Guild.Id).ColorMetricSimilarityRadius;
var similarlyColoredRole = forbiddenRoleColors.FirstOrDefault(c => colorDifference.ComputeDifference(requestedColor, converter.Convert(RGBColor.FromRGB8Bit(c.Color.R, c.Color.G, c.Color.B))) < similarityRadius);
if (similarlyColoredRole == null || allowedRoleColors.Any(c => colorDifference.ComputeDifference(requestedColor, converter.Convert(RGBColor.FromRGB8Bit(c.R, c.G, c.B))) < similarityRadius))
{
await role.ModifyAsync(rp => rp.Color = color).ConfigureAwait(false);
await ReplyConfirmLocalized("userrolecolor_changed", role.Name, color).ConfigureAwait(false);
}
else
{
await ReplyErrorLocalized("userrolecolor_color_too_similar", color, similarlyColoredRole.Name).ConfigureAwait(false);
}
}
else
{
await ReplyErrorLocalized("userrolecolor_no_binding", role.Name).ConfigureAwait(false);
}
}
private async Task <DrinkStats> GetDrinkStats()
{
/** http://www.colorwiki.com/wiki/Delta_E:_The_Color_Difference */
float promR = 0, promG = 0, promB = 0;
HashSet <Color> differentColors = new HashSet <Color>();
DynamicParticle[] allObjects = (DynamicParticle[])FindObjectsOfType(typeof(DynamicParticle));
int count = 0;
int quantity = allObjects.Length;
if (quantity < 10)
{
return(null);
}
foreach (DynamicParticle obj in allObjects)
{
count++;
Color color = obj.currentImage.gameObject.GetComponent <MeshRenderer>().materials[0].GetColor("_Color");
promR += color.r;
promG += color.g;
promB += color.b;
differentColors.Add(color);
}
promR = promR / allObjects.Length;
promG = promG / allObjects.Length;
promB = promB / allObjects.Length;
Color promColor = new Color(promR, promG, promB);
foreach (DynamicParticle obj in allObjects)
{
//Destroy(obj.gameObject);
obj.SetColor(promColor);
await Task.Delay(10); /** Simula que se toma la wea*/
}
var color1 = new LabColor(promR, promG, promB);
var color2 = new LabColor(customer.wantedColor.r, customer.wantedColor.g, customer.wantedColor.b);
double deltaE = new CIEDE2000ColorDifference().ComputeDifference(color1, color2);
drinkStats = new DrinkStats()
{
preparationTime = Time.time - initialTime,
mixture = (differentColors.Count * 100) / quantity,
colorSimilarity = (float)deltaE,
quantity = quantity,
promColor = promColor
};
return(drinkStats);
}
public void CIEDE2000ColorDifference(double l1, double a1, double b1, double l2, double a2, double b2, double expectedDeltaE)
{
// arrange
var x = new LabColor(l1, a1, b1);
var y = new LabColor(l2, a2, b2);
// act
var deltaE = new CIEDE2000ColorDifference().ComputeDifference(x, y);
// assert
Assert.Equal(deltaE, expectedDeltaE, DoubleComparerLabRounding);
}
private Color CollapseColor(Color color, int colorEqualityDeltaE)
{
var differ = new CIEDE2000ColorDifference();
var similarColors = _collapsedColors.Where(x => differ.ComputeDifference(ToLabColor(x), ToLabColor(color)) < colorEqualityDeltaE);
if (similarColors.Any())
{
return(similarColors.First());
}
_collapsedColors.Add(color);
return(color);
}
public void ComputeDifference(double l1,
double a1,
double b1,
double l2,
double a2,
double b2,
double expectedDeltaE)
{
// arrange
var x = new LabColor(in l1, in a1, in b1);
var y = new LabColor(in l2, in a2, in b2);
// act
var deltaE = new CIEDE2000ColorDifference().ComputeDifference(in x, in y);
// assert
Assert.Equal(expectedDeltaE, deltaE, DoubleComparerLabRounding);
}
public void ComputingColorDifference()
{
// CIE Delta-E 1976
{
var differenceCalculator = new CIE76ColorDifference();
var labColor1 = new LabColor(55, 80, 50);
var labColor2 = new LabColor(18, 36, -60);
var difference = differenceCalculator.ComputeDifference(in labColor1, in labColor2); // 124.1169
Assert.Equal(124.11688039908189, difference);
}
// CMC l:c 1984
{
var differenceThreshold = CMCColorDifferenceThreshold.Acceptability; // or "Imperceptibility"
var differenceCalculator = new CMCColorDifference(differenceThreshold);
var labColor1 = new LabColor(55, 80, 50);
var labColor2 = new LabColor(18, 36, -60);
var difference = differenceCalculator.ComputeDifference(in labColor1, in labColor2); // 69.7388
Assert.Equal(69.7387994508022, difference);
}
// CIE Delta-E 1994
{
var application = CIE94ColorDifferenceApplication.GraphicArts; // or "Textiles"
var differenceCalculator = new CIE94ColorDifference(application);
var labColor1 = new LabColor(55, 80, 50);
var labColor2 = new LabColor(18, 36, -60);
var difference = differenceCalculator.ComputeDifference(in labColor1, in labColor2); // 60.7882
Assert.Equal(60.78823549707133, difference);
}
// CIE Delta-E 2000
{
var differenceCalculator = new CIEDE2000ColorDifference();
var labColor1 = new LabColor(55, 80, 50);
var labColor2 = new LabColor(18, 36, -60);
var difference = differenceCalculator.ComputeDifference(in labColor1, in labColor2); // 52.2320
Assert.Equal(52.23202852556586, difference);
}
// Delta Ez
{
var differenceCalculator = new JzCzhzDEzColorDifference();
var color1 = new JzCzhzColor(0.3, 0.4, 165);
var color2 = new JzCzhzColor(0.8, 0.6, 25);
var difference = differenceCalculator.ComputeDifference(in color1, in color2); // 1.0666
Assert.Equal(1.066630832433185, difference);
}
// Euclidean distance
{
// example for euclidean distance in the XYZ color space
var differenceCalculator = new EuclideanDistanceColorDifference <XYZColor>();
var color1 = new XYZColor(0.5, 0.5, 0.5);
var color2 = new XYZColor(0.2, 0.4, 0.6);
var difference = differenceCalculator.ComputeDifference(in color1, in color2); // 0.3317
Assert.Equal(0.33166247903553997, difference);
}
}
public void CIEDE2000ColorDifference(double l1, double a1, double b1, double l2, double a2, double b2, double expectedDeltaE)
{
// arrange
var x = new LabColor(l1, a1, b1);
var y = new LabColor(l2, a2, b2);
// act
double deltaE = new CIEDE2000ColorDifference().ComputeDifference(x, y);
// assert
Assert.That(deltaE, Is.EqualTo(expectedDeltaE).Using(DoubleComparerLabRounding));
}
static ColorDifferenceAnalyzer()
{
Ciede2000ColorDifference = new CIEDE2000ColorDifference();
}
