http://codereview.appspot.com/5602045/diff/2002/src/gpu/GrPathUtils.cpp File src/gpu/GrPathUtils.cpp (right): http://codereview.appspot.com/5602045/diff/2002/src/gpu/GrPathUtils.cpp#newco... src/gpu/GrPathUtils.cpp:254: if (maxD > 0) { Think about tolerance here; otherwise LGTM.