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      1 /*
      2  * Copyright 2015 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 VisualInteractiveModule_DEFINED
      9 #define VisualInteractiveModule_DEFINED
     10 
     11 #include "VisualStreamTimingModule.h"
     12 
     13 class SkCanvas;
     14 
     15 /*
     16  * This module for VisualBench is designed to display stats data dynamically
     17  */
     18 class VisualInteractiveModule : public VisualStreamTimingModule {
     19 public:
     20     // TODO get rid of backpointer
     21     VisualInteractiveModule(VisualBench* owner);
     22 
     23     bool onHandleChar(SkUnichar c) override;
     24 
     25 private:
     26     void drawStats(SkCanvas*);
     27     void renderFrame(SkCanvas*, Benchmark*, int loops) override;
     28     bool timingFinished(Benchmark*, int loops, double measurement) override;
     29 
     30     static const int kMeasurementCount = 64;  // should be power of 2 for fast mod
     31     double fMeasurements[kMeasurementCount];
     32     int fCurrentMeasurement;
     33     bool fAdvance;
     34 
     35     typedef VisualStreamTimingModule INHERITED;
     36 };
     37 
     38 #endif
     39