Source code library - Expert Advisors, Indicators and Scripts

Description:

This class contains functions for working with colors. It has color conversion and other useful functions.

Conversion RGB в HSV

void RGBtoHSV(double aR,double aG,double aB,double & oH,double & oS,double & oV)

Functions from с http://www.easyrgb.com/index.php?X=MATH. All these function have 6 arguments: first 3 are parameters, the next 3 are conversion results, passed by reference.

Conversion RGB в XYZ

void RGBtoXYZ(double aR,double aG,double aB,double & oX,double & oY,double & oZ)

Conversion XYZ в RGB

void XYZtoRGB(double aX,double aY,double aZ,double & oR,double & oG,double & oB)

Conversion XYZ в Yxy

void XYZtoYxy(double aX,double aY,double aZ,double & oY,double & ox,double & oy)

Conversion Yxy в XYZ

void XYZtoYxy(double aX,double aY,double aZ,double & oY,double & ox,double & oy)

Conversion XYZ в HunterLab

void XYZtoHunterLab(double aX,double aY,double aZ,double & oL,double & oa,double & ob)

Conversion HunterLab в XYZ

void HunterLabToXYZ(double aL,double aa,double ab,double & oX,double & oY,double & oZ)

Conversion XYZ в CIELab

void XYZtoCIELab(double aX,double aY,double aZ,double & oCIEL,double & oCIEa,double & oCIEb)

Conversion CIELab в ToXYZ

void CIELabToXYZ(double aCIEL,double aCIEa,double aCIEb,double & oX,double & oY,double & oZ)

Conversion CIELab в CIELCH

void CIELabToCIELCH(double aCIEL,double aCIEa,double aCIEb,double & oCIEL,double & oCIEC,double & oCIEH)

Conversion CIELCH в CIELab

void CIELCHtoCIELab(double aCIEL,double aCIEC,double aCIEH,double & oCIEL,double & oCIEa,double & oCIEb)

Conversion XYZ в CIELuv

void XYZtoCIELuv(double aX,double aY,double aZ,double & oCIEL,double & oCIEu,double & oCIEv)

Conversion CIELuv в XYZ

void CIELuvToXYZ(double aCIEL,double aCIEu,double aCIEv,double & oX,double & oY,double & oZ)

Conversion RGB в HSL

void RGBtoHSL(double aR,double aG,double aB,double & oH,double & oS,double & oL)

Conversion HSL в RGB

void HSLtoRGB(double aH,double aS,double aL,double & oR,double & oG,double & oB)

Conversion RGB в HSV

void RGBtoHSV(double aR,double aG,double aB,double & oH,double & oS,double & oV) 

Conversion HSV в RGB

void HSVtoRGB(double aH,double aS,double aV,double & oR,double & oG,double & oB)

Conversion RGB в CMY

void RGBtoCMY(double aR,double aG,double aB,double & oC,double & oM,double & oY)

Conversion CMY в RGB

void CMYtoRGB(double aC,double aM,double aY,double & oR,double & oG,double & oB)

Conversion CMY в CMYK

void CMYtoCMYK(double aC,double aM,double aY,double & oC,double & oM,double & oY,double & oK)

Conversion CMYK в CMY

void CMYKtoCMY(double aC,double aM,double aY,double aK,double & oC,double & oM,double & oY)

Другие функции

Get RGB components

First parameter - color, the next arguments are color components, passed by reference.

void ColorToRGB(color aColor,double & aR,double & aG,double & aB)

Get R component

double GetR(color aColor)

Get G component

double GetG(color aColor)

Get B component

double GetB(color aColor)

Conversion RGB в color

color RGBToColor(double aR,double aG,double aB)

Get mixed color between 2 colors

color MixColors(color aCol1,color aCol2,double aK) // aK - from 0 to 1

Get array with color gradient

void Gradient( color & aColors[], // list of colors
color & aOut[],                  // output array
int aOutCount,                     // Size of output array
bool aCycle=false                  // cyclic gradient (the out array ends with starting color)
)

Another simple conversion RGB -> XYZ and its inverse XYZ->RGB

void RGBtoXYZsimple(double aR,double aG,double aB,double & oX,double & oY,double & oZ)
void XYZtoRGBsimple(double aX,double aY,double aZ,double & oR,double & oG,double & oB)

Negative color

color Negative(color aColor)

Finds color, closest to the color from the standard web colors

First parameter - the color, the second parameter is the index from the colors set (passed by reference), the function returns color

color StandardColor(color aColor,int & aIndex)

RGB -> Gray

double RGBtoGray(double aR,double aG,double aB)

RGB -> Gray (simple)

double RGBtoGraySimple(double aR,double aG,double aB)

Translated from Russian by MetaQuotes Software Corp.
Original code: http://www.mql5.com/ru/code/888