pdfviewer: (more code cleanup): class documentation and comments

experimental/PdfViewer/SkTracker.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkTracker_DEFINED
 #define SkTracker_DEFINED
 
 #include "SkBitmap.h"
 #include "SkPoint.h"
 
 // TODO(edisonn): draw plan from point! - list of draw ops of a point, like a tree!
 // TODO(edisonn): Minimal PDF to draw some points - remove everything that it is not needed,
 //                save pdf uncompressed
 
 #define MAX_TRACKING_POINTS 100
 
+/** \class SkTracker
+ *
+ *   A Tracker can be attached to a SkTrackDevice and it will store the track pixels.
+ *   It can be used with SampleApp to investigate bugs (CL not checked in yet).
+ *
+ */
 class SkTracker {
 public:
     SkTracker() : fEnabled(false)
                 , fBreakOnAny(false)
                 , fCntExpectedTouched(0)
                 , fCntExpectedUntouched(0)
                 , fHits(0) {}
 
     virtual ~SkTracker() {}
 
@@ skipping 150 matching lines @@
     int fCntExpectedTouched;
 
     SkIPoint fExpectedUntouched[MAX_TRACKING_POINTS];
     SkColor fBeforeUntouched[MAX_TRACKING_POINTS];
     int fCntExpectedUntouched;
 
     int fHits;
 };
 
 #endif  // SkTracker_DEFINED