passthrough_fillgradient  244 lib/gfxfilter.c     dev->fillgradient = filter->fillgradient?filter_fillgradient:passthrough_fillgradient;
passthrough_fillgradient  263 lib/gfxfilter.c     dev->fillgradient = filter->fillgradient?filter_fillgradient:passthrough_fillgradient;