Scanline          468 librender/agg/Renderer_agg.cpp             Scanline sl(masks.back()->getMask());
Scanline          501 librender/agg/Renderer_agg.cpp                     typename Scanline::const_iterator span = sl.begin();
Scanline          615 librender/agg/Renderer_agg.cpp             Scanline sl(masks.back()->getMask());