Make SkPath::isOval() and SkPath::isRRect return the orientation and starting index.

include/core/SkMatrix.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 SkMatrix_DEFINED
@@ skipping 62 matching lines @@
     bool isIdentity() const {
         return this->getType() == 0;
     }
 
     bool isScaleTranslate() const {
         return !(this->getType() & ~(kScale_Mask | kTranslate_Mask));
     }
 
     /** Returns true if will map a rectangle to another rectangle. This can be
         true if the matrix is identity, scale-only, or rotates a multiple of
-        90 degrees.
+        90 degrees, or mirrors in x or y.
     */
     bool rectStaysRect() const {
         if (fTypeMask & kUnknown_Mask) {
             fTypeMask = this->computeTypeMask();
         }
         return (fTypeMask & kRectStaysRect_Mask) != 0;
     }
     // alias for rectStaysRect()
     bool preservesAxisAlignment() const { return this->rectStaysRect(); }
 
@@ skipping 736 matching lines @@
 
     static void Affine_vpts(const SkMatrix&, SkPoint dst[], const SkPoint[], int);
 
     static const MapPtsProc gMapPtsProcs[];
 
     friend class SkPerspIter;
 };
 SK_END_REQUIRE_DENSE
 
 #endif