Lines Matching refs:Db
543 const double blue,double *Y,double *Db,double *Dr)
546 *Db=QuantumScale*(-0.450*red-0.883*green+1.333*blue)+0.5;
550 static void ConvertYDbDrToRGB(const double Y,const double Db,const double Dr,
553 *red=QuantumRange*(Y+9.2303716147657e-05*(Db-0.5)-0.52591263066186533*
555 *green=QuantumRange*(Y-0.12913289889050927*(Db-0.5)+0.26789932820759876*
557 *blue=QuantumRange*(Y+0.66467905997895482*(Db-0.5)-7.9202543533108e-05*
918 Db,
924 0.463759*QuantumRange,&Y,&Db,&Dr);
926 (fabs(Db-(-0.480932)) >= ReferenceEpsilon) ||
