Add rotation APIs in radians to SkCanvas, SkMatrix

include/core/SkCanvas.h

 /*
  * Copyright 2006 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 SkCanvas_DEFINED
 #define SkCanvas_DEFINED
 
@@ skipping 320 matching lines @@
         returns true if the operation succeeded (e.g. did not overflow)
     */
     virtual bool scale(SkScalar sx, SkScalar sy);
 
     /** Preconcat the current matrix with the specified rotation.
         @param degrees  The amount to rotate, in degrees
         returns true if the operation succeeded (e.g. did not overflow)
     */
     virtual bool rotate(SkScalar degrees);
 
+    /** Preconcat the current matrix with the specified rotation.
+        @param degrees  The amount to rotate, in radians

[bsalomon, 2014/02/24 17:35:56]

The param is called "radians".

+        returns true if the operation succeeded (e.g. did not overflow)
+    */
+    virtual bool rotateRadians(SkScalar radians);
+
     /** Preconcat the current matrix with the specified skew.
         @param sx   The amount to skew in X
         @param sy   The amount to skew in Y
         returns true if the operation succeeded (e.g. did not overflow)
     */
     virtual bool skew(SkScalar sx, SkScalar sy);
 
     /** Preconcat the current matrix with the specified matrix.
         @param matrix   The matrix to preconcatenate with the current matrix
         @return true if the operation succeeded (e.g. did not overflow)
@@ skipping 849 matching lines @@
             fCanvas->endCommentGroup();
         }
     }
 
 private:
     SkCanvas* fCanvas;
 };
 #define SkAutoCommentBlock(...) SK_REQUIRE_LOCAL_VAR(SkAutoCommentBlock)
 
 #endif