ShadowModulate    270 magick/decorate.c   shadow.red=QuantumScale*matte.red*ShadowModulate;
ShadowModulate    271 magick/decorate.c   shadow.green=QuantumScale*matte.green*ShadowModulate;
ShadowModulate    272 magick/decorate.c   shadow.blue=QuantumScale*matte.blue*ShadowModulate;
ShadowModulate   3088 magick/xwindow.c     pixel->matte_color.red*ScaleQuantumToShort(ShadowModulate))/65535L);
ShadowModulate   3090 magick/xwindow.c     pixel->matte_color.green*ScaleQuantumToShort(ShadowModulate))/65535L);
ShadowModulate   3092 magick/xwindow.c     pixel->matte_color.blue*ScaleQuantumToShort(ShadowModulate))/65535L);