182   const MagickRealType luma,MagickRealType *red,MagickRealType *green,  in HCLComposite()  argument
241   m=luma-(0.298839*r+0.586811*g+0.114350*b);  in HCLComposite()
249   MagickRealType *luma)  in CompositeHCL()  argument
264   assert(luma != (MagickRealType *) NULL);  in CompositeHCL()
284   *luma=QuantumScale*(0.298839*r+0.586811*g+0.114350*b);  in CompositeHCL()
1234       luma,  local
1285     luma=0.0;
1777               &sans,&sans,&luma);
1780             HCLComposite(hue,chroma,luma,&red,&green,&blue);
1949               &hue,&chroma,&luma);
1952             HCLComposite(hue,chroma,luma,&red,&green,&blue);
2029               &hue,&chroma,&luma);
2031               &sans,&sans,&luma);
2032             HCLComposite(hue,chroma,luma,&red,&green,&blue);
2100               &hue,&chroma,&luma);
2101             luma+=(0.01*percent_luma*offset)/midpoint;
2103             HCLComposite(hue,chroma,luma,&red,&green,&blue);
2220               &hue,&chroma,&luma);
2223             HCLComposite(hue,chroma,luma,&red,&green,&blue);