trace_curve       404 librender/opengl/Renderer_ogl.cpp     trace_curve(startP, middle(startP, controlP), q, coords);
trace_curve       406 librender/opengl/Renderer_ogl.cpp     trace_curve(q, middle(controlP, endP), endP, coords);
trace_curve       431 librender/opengl/Renderer_ogl.cpp         trace_curve(anchor, control, target, shape_points);