SkCanvas interface for drawing a patch.

src/utils/SkPatchUtils.h

Index: src/utils/SkPatchUtils.h
diff --git a/src/utils/SkPatchUtils.h b/src/utils/SkPatchUtils.h
new file mode 100644
index 0000000000000000000000000000000000000000..f2e3b43ed12732976c410100db7147c825b96e4d
--- /dev/null
+++ b/src/utils/SkPatchUtils.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkPatchUtils_DEFINED
+#define SkPatchUtils_DEFINED
+
+#include "SkPatch.h"
+#include "SkMatrix.h"
+
+class SK_API SkPatchUtils {
+
+public:
+    /**
+     * Method that calculates a level of detail (number of subdivisions) for a patch in both axis. 
+     */
+    static SkISize GetLevelOfDetail(const SkPatch& patch, const SkMatrix* matrix);
+};
+
+#endif