public static double DeltaE(Rgb img1, Rgb img2, int algorithm)
{
//create double for deltaE result
double deltaE = 0d;
//Set up a switch statement for switching between selected matching algorithm
// 0 CIE76
// 1 CIE94
// 2 CMC l: C
// 3 CIE2000
switch (algorithm)
{
case 0:
deltaE = img1.Compare(img2, new Cie1976Comparison());
break;
case 1:
deltaE = img1.Compare(img2, new Cie94Comparison());
break;
case 2:
deltaE = img1.Compare(img2, new CmcComparison());
break;
case 3:
deltaE = img1.Compare(img2, new CieDe2000Comparison());
break;
}
return(deltaE);
}
public static OlCategoryColor FindMatchingCategoryColor(Color color)
{
var minDistance = double.MaxValue;
var matchingCategoryColor = OlCategoryColor.olCategoryColorNone;
foreach (var cat in ArgbColorByCategoryColor)
{
var catColor = Color.FromArgb(cat.Value.ArgbValue);
var a = new Rgb {
R = color.R, G = color.G, B = color.B
};
var b = new Rgb {
R = catColor.R, G = catColor.G, B = catColor.B
};
var curDistance = a.Compare(b, new ColorMine.ColorSpaces.Comparisons.CieDe2000Comparison());
if (curDistance < minDistance)
{
minDistance = curDistance;
matchingCategoryColor = cat.Key;
}
}
return(matchingCategoryColor);
}
private static ConsoleColor GetConsoleColor(Color color)
{
var bestChoice = ConsoleColor.Black;
if (color.A < 50)
{
return(bestChoice);
}
var comparer = new CieDe2000Comparison();
var labColor = new Rgb()
{
R = color.R, G = color.G, B = color.B
}.To <Lab>();
var minDiff = Double.MaxValue;
foreach (var kvp in _colorMap)
{
var testColor = new Rgb()
{
R = kvp.Value.R, G = kvp.Value.G, B = kvp.Value.B
}.To <Lab>();
var diff = labColor.Compare(testColor, comparer);
if (diff < minDiff)
{
minDiff = diff;
bestChoice = kvp.Key;
}
}
return(bestChoice);
}
public static bool IsSimilar(this Color @this, Color other, double threshold = SIMILARITY_THRESHOLD_STRICT)
{
/*
* int rDifference = @this.R - other.R;
* int bDifference = @this.B - other.B;
* int gDifference = @this.G - other.G;
*
* float rDifferencePercent = ( float )rDifference / 255;
* float gDifferencePercent = ( float )gDifference / 255;
* float bDifferencePercent = ( float )bDifference / 255;
*
* float difference = ((rDifferencePercent + gDifferencePercent + bDifferencePercent) / 3) * 100;
*/
var thisRgb = new Rgb
{
R = ((double)@this.R / 255),
G = ((double)@this.G / 255),
B = ((double)@this.B / 255)
};
var otherRgb = new Rgb()
{
R = (( double )other.R / 255),
G = (( double )other.G / 255),
B = (( double )other.B / 255)
};
double deltaE = thisRgb.Compare(otherRgb, new Cie1976Comparison());
return(deltaE >= -threshold && deltaE <= threshold);
}
/// <summary>
/// Returns the custom color nearest to the System color input
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static PColor FindNearestColor(this Color input)
{
PColor resultMSColor = PColor.WebColors.White;
var resultDistance = 255.0;
//Create ColorMine RGB and LAB variables for comparisons
Rgb inColoRgb = new Rgb {
R = input.R, G = input.G, B = input.B
};
Lab inColorLab = inColoRgb.To <Lab>();
foreach (var pcolor in PColor.WebColors.All)
{
var comparerLabColor = new CieDe2000Comparison();
var mineColorRgb = new Rgb {
R = pcolor.SystemColor.R, G = pcolor.SystemColor.G, B = pcolor.SystemColor.B
};
Lab mineColorLab = mineColorRgb.To <Lab>();
//Comare colors and check if closer than previous closest
var currentDistence = inColoRgb.Compare(mineColorLab, comparerLabColor);
if (currentDistence == 0)
{
resultMSColor = pcolor;
break;
}
else if (currentDistence < resultDistance)
{
resultMSColor = pcolor;
resultDistance = currentDistence;
}
}
return(resultMSColor);
}
public static double GetDelta(this Color color1, Color color2)
{
var a = new Rgb {
R = color1.R, G = color1.G, B = color1.B
};
var b = new Rgb {
R = color2.R, G = color2.G, B = color2.B
};
var delta = a.Compare(b, new CieDe2000Comparison());
return(delta);
}
public static double Compare(this Color color, Color colorCompare, ColorCompareOption option)
{
var rgbColor = new Rgb(color.R, color.G, color.B);
var rgbCompare = new Rgb(colorCompare.R, colorCompare.G, colorCompare.B);
switch (option)
{
case ColorCompareOption.CIE2000:
return(rgbColor.Compare(rgbCompare, new CieDe2000Comparison()));
default:
DebugUtils.Break();
return(-1);
}
}
string ValidateSiteBackgroundColour()
{
if (SiteBackgroundColour == null)
{
return(Strings.StudySiteDataModel_Error_NoColour);
}
if (AllLocalSites.StudySitesData.Any(s => s.Id != Id && s.SiteBackgroundRgb != null && s.SiteBackgroundRgb.Compare(SiteBackgroundRgb, this.ColourSpacecomparison) < minColourDif))
{
return(Strings.GetAppSettingsModel_Error_DuplicateColours);
}
if (ErrorColour.Compare(SiteBackgroundRgb, this.ColourSpacecomparison) < minContrastDif)
{
return(Strings.StudySiteDataModel_Error_BackgroundAndErrorMatch);
}
return(null);
}
private double CalculateColorDistance(int argb1, int argb2)
{
int r1 = (argb1 >> 16) & 255;
int g1 = (argb1 >> 8) & 255;
int b1 = argb1 & 255;
int r2 = (argb2 >> 16) & 255;
int g2 = (argb2 >> 8) & 255;
int b2 = argb2 & 255;
switch (ImageComparisonMethod)
{
case ImageComparisonMethod.Euclidean:
default:
int cR = r1 - r2;
int cG = g1 - g2;
int cB = b1 - b2;
return(Math.Sqrt(cR * cR + cG * cG + cB * cB));
case ImageComparisonMethod.Manhattan:
return(Math.Abs(r2 - r1) + Math.Abs(g2 - g1) + Math.Abs(b2 - b1));
case ImageComparisonMethod.Improved:
Rgb LColor1 = new Rgb
{
R = (argb1 >> 16) & 255,
G = (argb1 >> 8) & 255,
B = argb1 & 255
};
Rgb LColor2 = new Rgb
{
R = (argb2 >> 16) & 255,
G = (argb2 >> 8) & 255,
B = argb2 & 255
};
return(LColor1.Compare(LColor2, ColorSpaceComparisonMethod));
}
}
public double CompareImages(string voronoiPath, string originalImagePath)
{
var deltaEList = new List <double>();
var voronoiBitmap = Image.FromFile(voronoiPath) as Bitmap;
var originalBitmap = Image.FromFile(originalImagePath) as Bitmap;
for (var x = 0; x < voronoiBitmap.Width; x++)
{
for (var y = 0; y < voronoiBitmap.Height; y++)
{
var voronoiPixelColor = voronoiBitmap.GetPixel(x, y);
var voronoiRgb = new Rgb {
R = voronoiPixelColor.R, B = voronoiPixelColor.B, G = voronoiPixelColor.G
};
var originalPixelColor = originalBitmap.GetPixel(x, y);
var originalRgb = new Rgb {
R = originalPixelColor.R, B = originalPixelColor.B, G = originalPixelColor.G
};
var deltaE = voronoiRgb.Compare(originalRgb, new CieDe2000Comparison());
deltaEList.Add(deltaE);
}
}
return(deltaEList.Average());
}
//public void StartForBucle(Rgb a, Rgb b, uint[] values, Color[] textura1, Color32 tempColor1, List<string> palabras, System.Action<string> callbackOnFinish)
//{
// StartCoroutine(BucleFor(a, b, values, textura1, tempColor1, palabras, callbackOnFinish));
//}
IEnumerator BucleFor(Rgb a, Rgb b, int[] values, Color32[] textura1, Color32 tempColor1, List <string> palabras, TextureHolder textureHold)
{
var negro = new Rgb {
R = 0, G = 0, B = 0
};
// int[,] values2 = new int[3, 4];
for (int i = 0; i < values.Length; i++)
{
values[i] = 0;
}
for (int i = 0; i < textura1.Length; i++)
{
tempColor1 = textura1[i];
a.R = tempColor1.r;
a.G = tempColor1.g;
a.B = tempColor1.b;
if (i % 10000 == 0)
{
// Debug.Log("Esperando...");
fillAmount.fillAmount = i / (float)textura1.Length;
//Debug.Log((float)i / textura1.Length * 3);
yield return(null);
}
if ((int)a.Compare(negro, new Cie1976Comparison()) == 0)
{
//Debug.Log("Negro");
continue;
}
//for (int k = 0; k < 3; k++)
//{
for (int j = 0; j < 3; j++)
{
b.R = colores[j].r;
b.G = colores[j].g;
b.B = colores[j].b;
values[j] += (int)a.Compare(b, new Cie1976Comparison());
}
//}
//Debug.Log("Value: " + values[j] + "\nColor " + colores[j]);
}
//el valor mas pequeño significa que es más cercano al Color original
//for (int i = 0; i < values.Length; i++)
//{
// if (values[i] < low)
// low = values[i];
//}
int low = Mathf.Max(values);
////values2[0, 3] = Mathf.Min(values2[0, 0], values2[0, 1], values2[0, 2]);
////values2[1, 3] = Mathf.Min(values2[1, 0], values2[1, 1], values2[1, 2]);
////values2[2, 3] = Mathf.Min(values2[2, 0], values2[2, 1], values2[2, 2]);
////low = Mathf.Min(values2[0, 3], values2[1, 3], values2[2, 3]);
////for (int k = 0; k < 3; k++)
////{
//// if (low == values2[k, 3])
//// {
//// Debug.Log("<color=yellow>" + k + "</color>" +
//// "\nPalabra " + palabras[0] + " Values " + values2[0, 3] + "\t" + values2[1, 0] + "\t" + values2[2, 2] +
//// "\nPalabra " + palabras[1] + " Values " + values2[1, 3] + "\t" + values2[1, 0] + "\t" + values2[2, 2] +
//// "\nPalabra " + palabras[2] + " Values " + values2[2, 3] + "\t" + values2[1, 0] + "\t" + values2[2, 2]);
//// textureHold.palabra = palabras[k];
//// break;
//// }
////}
//Random.InitState((int)(low*Random.value));
textureHold.palabra = palabras[Random.Range(0, 3)];
//for (int i = 0; i < values.Length; i++)
//{
// if (values[i] == low)
// {
// Debug.Log("<color=yellow>" + i + "</color>" +
// "\nPalabra " + palabras[0] + " Values " + values[0] +
// "\nPalabra " + palabras[1] + " Values " + values[1] +
// "\nPalabra " + palabras[2] + " Values " + values[2]);
// textureHold.palabra = palabras[i];
// break;
// //SetText("a");
// }
//}
}