LinearGradient    136 coders/gradient.c     LinearGradient : RadialGradient,PadSpread,&start_color,&stop_color);
LinearGradient   2498 magick/draw.c              (void) GradientImage(image,LinearGradient,ReflectSpread,
LinearGradient   3167 magick/draw.c      case LinearGradient:
LinearGradient   3388 magick/draw.c                if (gradient->type == LinearGradient)
LinearGradient   3427 magick/draw.c                      if (gradient->type == LinearGradient)
LinearGradient    451 magick/paint.c   if ((type == LinearGradient) && (gradient->gradient_vector.y2 != 0.0))