SkCanvas interface for drawing a patch.

src/core/SkGeometry.h

Index: src/core/SkGeometry.h
diff --git a/src/core/SkGeometry.h b/src/core/SkGeometry.h
index 119cfc68db54f31e328126a582ac2af34bae12fa..7fd8822dc508fc20c68df0c8b4ae2c699c925212 100644
--- a/src/core/SkGeometry.h
+++ b/src/core/SkGeometry.h
@@ -191,6 +191,8 @@ bool SkXRayCrossesMonotonicCubic(const SkXRay& pt, const SkPoint cubic[4],
 int SkNumXRayCrossingsForCubic(const SkXRay& pt, const SkPoint cubic[4],
                                bool* ambiguous = NULL);
 
+SkScalar approx_arc_length(SkPoint* points, int count);

[bsalomon, 2014/08/01 21:02:28]

I don't think this is general/accurate enough to be part of SkGeometry.h. I'd
just move it to src/utils/SkPatchUtils.cpp.

[dandov, 2014/08/01 21:25:01]

Done.

+
 ///////////////////////////////////////////////////////////////////////////////
 
 enum SkRotationDirection {