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      1 /*
      2  * Copyright 2013 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkPMetric_DEFINED
      9 #define SkPMetric_DEFINED
     10 
     11 #include "SkTArray.h"
     12 #include "SkTDArray.h"
     13 
     14 #include "SkImageDiffer.h"
     15 
     16 /**
     17  * An image differ that uses the pdiff image metric to compare images.
     18  */
     19 class SkPMetric : public SkImageDiffer {
     20 public:
     21     virtual const char* getName() const SK_OVERRIDE { return "perceptual"; }
     22     virtual bool diff(SkBitmap* baseline, SkBitmap* test, bool computeMask,
     23                       Result* result) const SK_OVERRIDE;
     24 
     25 private:
     26     typedef SkImageDiffer INHERITED;
     27 };
     28 
     29 
     30 #endif
     31