MWAWPictOLEContainer.hxx
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3 /* libmwaw
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17 * Copyright (C) 2002 William Lachance (wrlach@gmail.com)
18 * Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)
19 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
20 * Copyright (C) 2006, 2007 Andrew Ziem
21 * Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)
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33 
34 /* This header contains code specific to an ole object which can be stored in a
35  * WPXBinaryData
36  */
37 
38 #ifndef MWAW_PICT_OLECONTAINER
39 # define MWAW_PICT_OLECONTAINER
40 
41 # include <assert.h>
42 # include <ostream>
43 
44 # include <libwpd/libwpd.h>
45 
46 # include "libmwaw_internal.hxx"
47 # include "MWAWPict.hxx"
48 
49 class WPXBinaryData;
50 
53 {
54 public:
56  virtual Type getType() const {
58  }
59 
61  virtual bool getBinary(WPXBinaryData &res, std::string &s) const {
62  if (!valid() || isEmpty()) return false;
63 
64  s = "object/ole";
65  res = m_data;
66  return true;
67  }
68 
70  virtual bool valid() const {
71  return !m_empty;
72  }
73 
75  bool isEmpty() const {
76  return m_empty;
77  }
78 
82  static MWAWPictOLEContainer *get(MWAWInputStreamPtr input, int size) {
83  MWAWPictOLEContainer *res = 0L;
84  Box2f box;
85  if (checkOrGet(input, size, box, &res) == MWAW_R_BAD) return 0L;
86  return res;
87  }
88 
91  virtual int cmp(MWAWPict const &a) const {
92  int diff = MWAWPict::cmp(a);
93  if (diff) return diff;
94  MWAWPictOLEContainer const &aPict = static_cast<MWAWPictOLEContainer const &>(a);
95 
96  diff = (int) m_empty - (int) aPict.m_empty;
97  if (diff) return (diff < 0) ? -1 : 1;
98  long diffL = (long) m_data.size() - (long) aPict.m_data.size();
99  if (diffL) return (diffL < 0) ? -1 : 1;
100 
101  return 0;
102  }
103 
104 protected:
108 
113  static ReadResult checkOrGet(MWAWInputStreamPtr input, int size,
114  Box2f &box, MWAWPictOLEContainer **result = 0L);
115 
117  WPXBinaryData m_data;
118 
120  bool m_empty;
121 };
122 
123 #endif
124 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:

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