ShadowModulate    267 magick/decorate.c   shadow.red=QuantumScale*matte.red*ShadowModulate;
ShadowModulate    268 magick/decorate.c   shadow.green=QuantumScale*matte.green*ShadowModulate;
ShadowModulate    269 magick/decorate.c   shadow.blue=QuantumScale*matte.blue*ShadowModulate;
ShadowModulate   3123 magick/xwindow.c     pixel->matte_color.red*ScaleQuantumToShort(ShadowModulate))/65535L);
ShadowModulate   3125 magick/xwindow.c     pixel->matte_color.green*ScaleQuantumToShort(ShadowModulate))/65535L);
ShadowModulate   3127 magick/xwindow.c     pixel->matte_color.blue*ScaleQuantumToShort(ShadowModulate))/65535L);