pdfviewer: (part 1) store the offset of the location of object in file/stream. In order to use the …

experimental/PdfViewer/SkPdfConfig.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 SkPdfConfig_DEFINED
 #define SkPdfConfig_DEFINED
 
-#define PDF_TRACK_OBJECT_USAGE
+//#define PDF_TRACK_OBJECT_USAGE
 //#define PDF_TRACK_STREAM_OFFSETS
 //#define PDF_TRACE
 //#define PDF_TRACE_READ_TOKEN
 //#define PDF_TRACE_DRAWTEXT
 //#define PDF_TRACE_DIFF_IN_PNG
 //#define PDF_DEBUG_NO_CLIPING
 //#define PDF_DEBUG_NO_PAGE_CLIPING
 //#define PDF_DEBUG_3X
 
 
 // TODO(edisonn): pass a flag to say how it was used? e.g. asked the type? Obtained value?
 // Implement it when it will be needed the first time to fix some bug.
 #ifdef PDF_TRACK_OBJECT_USAGE
 #define SkPdfMarkObjectUsed() fUsed = true
 #else
 #define SkPdfMarkObjectUsed()
 #endif   // PDF_TRACK_OBJECT_USAGE
 
 #ifdef PDF_TRACK_OBJECT_USAGE
 #define SkPdfMarkObjectUnused() fUsed = false
 #else
 #define SkPdfMarkObjectUnused()
 #endif   // PDF_TRACK_OBJECT_USAGE
 
+#ifdef PDF_TRACK_STREAM_OFFSETS
+
+// TODO(edisonn): track source files
+#define SkPdfTrackSrourceFile(foo) -2
+
+#define GET_TRACK_STREAM , int streamId, const unsigned char* streamStart
+#define PUT_TRACK_STREAM_ARGS , streamId, streamStart
+#define PUT_TRACK_STREAM(start,end) , streamId, start-streamStart, end-streamStart
+#define PUT_TRACK_STREAM_ARGS_EXPL(a,b,c) , a, b, c
+#define PUT_TRACK_STREAM_ARGS_EXPL2(a,b) , a, b
+
+
+#define PUT_TRACK_PARAMETERS , streamId, offsetStart, offsetEnd
+#define PUT_TRACK_PARAMETERS_OBJ(obj) , (obj)->streamId(), (obj)->offsetStart(), (obj)->offsetEnd()
+#define PUT_TRACK_PARAMETERS_OBJ2(obj,objEnd) , (obj)->streamId(), (obj)->offsetStart(), (objEnd)->offsetEnd()
+#define PUT_TRACK_PARAMETERS_SRC , SkPdfTrackSrourceFile(__FILE__), __LINE__, __LINE__
+#define PUT_TRACK_PARAMETERS_SRC0  SkPdfTrackSrourceFile(__FILE__), __LINE__, __LINE__
+#define GET_TRACK_PARAMETERS , int streamId, int offsetStart, int offsetEnd
+#define GET_TRACK_PARAMETERS0  int streamId, int offsetStart, int offsetEnd
+#define STORE_TRACK_PARAMETERS(obj) (obj)->fStreamId = streamId; (obj)->fOffsetStart = offsetStart; (obj)->fOffsetEnd = offsetEnd;
+#define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd) (obj)->fOffsetEnd = (offsetEnd)-streamStart;
+#else
+#define GET_TRACK_STREAM
+#define PUT_TRACK_STREAM_ARGS
+#define PUT_TRACK_STREAM(start,end)
+#define PUT_TRACK_STREAM_ARGS_EXPL(a,b,c)
+#define PUT_TRACK_STREAM_ARGS_EXPL2(a,b)
+
+
+#define PUT_TRACK_PARAMETERS
+#define PUT_TRACK_PARAMETERS_OBJ(obj)
+#define PUT_TRACK_PARAMETERS_OBJ2(obj,objEnd)
+#define PUT_TRACK_PARAMETERS_SRC
+#define PUT_TRACK_PARAMETERS_SRC0
+#define GET_TRACK_PARAMETERS
+#define GET_TRACK_PARAMETERS0
+#define STORE_TRACK_PARAMETERS(obj)
+#define STORE_TRACK_PARAMETER_OFFSET_END(obj,offsetEnd)
+#endif   //PDF_TRACK_STREAM_OFFSETS
+
+
 #endif  // SkPdfConfig_DEFINED