diff -r 000000000000 -r 6474c204b198 gfx/skia/trunk/src/core/SkCubicClipper.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/skia/trunk/src/core/SkCubicClipper.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+
+/*
+ * Copyright 2009 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#ifndef SkCubicClipper_DEFINED
+#define SkCubicClipper_DEFINED
+
+#include "SkPoint.h"
+#include "SkRect.h"
+
+/** This class is initialized with a clip rectangle, and then can be fed cubics,
+    which must already be monotonic in Y.
+
+    In the future, it might return a series of segments, allowing it to clip
+    also in X, to ensure that all segments fit in a finite coordinate system.
+ */
+class SkCubicClipper {
+public:
+    SkCubicClipper();
+
+    void setClip(const SkIRect& clip);
+
+    bool clipCubic(const SkPoint src[4], SkPoint dst[4]);
+
+private:
+    SkRect      fClip;
+};
+
+#endif  // SkCubicClipper_DEFINED