Add SK_API to global scope operators of SkMatrix

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 521 matching lines @@
      *  only difference between the two matrices. It considers NaN values to be
      *  equal to themselves. So a matrix full of NaNs is "cheap equal" to
      *  another matrix full of NaNs iff the NaN values are bitwise identical
      *  while according to strict the strict == test a matrix with a NaN value
      *  is equal to nothing, including itself.
      */
     bool cheapEqualTo(const SkMatrix& m) const {
         return 0 == memcmp(fMat, m.fMat, sizeof(fMat));
     }
 
-    friend bool operator==(const SkMatrix& a, const SkMatrix& b);
-    friend bool operator!=(const SkMatrix& a, const SkMatrix& b) {
+    friend SK_API bool operator==(const SkMatrix& a, const SkMatrix& b);
+    friend SK_API bool operator!=(const SkMatrix& a, const SkMatrix& b) {
         return !(a == b);
     }
 
     enum {
         // writeTo/readFromMemory will never return a value larger than this
         kMaxFlattenSize = 9 * sizeof(SkScalar) + sizeof(uint32_t)
     };
     // return the number of bytes written, whether or not buffer is null
     size_t writeToMemory(void* buffer) const;
     /**
@@ skipping 180 matching lines @@
     static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[],
                              int count);
     static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int);
 
     static const MapPtsProc gMapPtsProcs[];
 
     friend class SkPerspIter;
 };
 
 #endif