MWAWPictMac.hxx
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3 /* libmwaw
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16 * Major Contributor(s):
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 a pict mac file
35  * see http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-458.html
36  */
37 
38 #ifndef MWAW_PICT_MAC
39 # define MWAW_PICT_MAC
40 
41 # include <ostream>
42 # include <string>
43 
44 # include <librevenge/librevenge.h>
45 
46 # include "libmwaw_internal.hxx"
47 # include "MWAWPictData.hxx"
48 
50 class MWAWPictMac final : public MWAWPictData
51 {
52 public:
54  ~MWAWPictMac() final;
56  SubType getSubType() const final
57  {
58  return MWAWPictData::PictMac;
59  }
61  bool getBinary(MWAWEmbeddedObject &picture) const final
62  {
63  if (!valid() || isEmpty()) return false;
64  librevenge::RVNGBinaryData res;
65  if (m_version == 1) {
66  librevenge::RVNGBinaryData dataV2;
67  if (convertPict1To2(m_data, dataV2)) {
68  createFileData(dataV2, res);
69  picture=MWAWEmbeddedObject(res, "image/pict");
70  return true;
71  }
72  }
73  createFileData(m_data, res);
74  picture=MWAWEmbeddedObject(res, "image/pict");
75  return true;
76 
77  }
78 
80  bool valid() const final
81  {
82  return (m_version >= 1) && (m_version <= 2);
83  }
84 
87  int cmp(MWAWPict const &a) const final
88  {
89  int diff = MWAWPictData::cmp(a);
90  if (diff) return diff;
91  auto const &aPict = static_cast<MWAWPictMac const &>(a);
92 
93  diff = m_version - aPict.m_version;
94  if (diff) return (diff < 0) ? -1 : 1;
95  diff = m_subVersion - aPict.m_subVersion;
96  if (diff) return (diff < 0) ? -1 : 1;
97 
98  return 0;
99  }
100 
102  static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result);
103 
104 protected:
106  explicit MWAWPictMac(MWAWBox2f box)
107  : MWAWPictData(box)
108  , m_version(-1)
109  , m_subVersion(-1)
110  {
111  extendBDBox(1.0);
112  }
113 
114  friend class MWAWPictData;
121  static ReadResult checkOrGet(MWAWInputStreamPtr input, int size,
122  MWAWBox2f &box, MWAWPictData **result = nullptr);
123 
128 };
129 
130 #endif
131 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
librevenge::RVNGBinaryData m_data
the data size (without the empty header of 512 characters)
Definition: MWAWPictData.hxx:176
static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result)
convert a Pict1.0 in Pict2.0, if possible
Definition: MWAWPictMac.cxx:1254
Class to read/store a Mac Pict1.0/2.0.
Definition: MWAWPictMac.hxx:50
SubType getSubType() const final
returns the picture subtype
Definition: MWAWPictMac.hxx:56
static bool createFileData(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result)
a file pict can be created from the data pict by adding a header with size 512, this function do this...
Definition: MWAWPictData.cxx:49
int cmp(MWAWPict const &a) const final
a virtual function used to obtain a strict order, must be redefined in the subs class ...
Definition: MWAWPictMac.hxx:87
ReadResult
an enum to defined the result of a parsing use by some picture&#39;s classes which can read their data ...
Definition: MWAWPict.hxx:73
MWAWPictMac(MWAWBox2f box)
protected constructor: use check to construct a picture
Definition: MWAWPictMac.hxx:106
bool isEmpty() const
returns true if the picture is valid and has size 0 or contains no data
Definition: MWAWPictData.hxx:91
int m_subVersion
the picture subversion
Definition: MWAWPictMac.hxx:127
int m_version
the picture version
Definition: MWAWPictMac.hxx:125
Definition: MWAWPictData.hxx:56
static ReadResult checkOrGet(MWAWInputStreamPtr input, int size, MWAWBox2f &box, MWAWPictData **result=nullptr)
checks if the data pointed by input and of given size is a pict 1.0, 2.0 or 2.1
Definition: MWAWPictMac.cxx:59
an abstract class which defines basic formated picture ( AppleŠ Pict, DB3, ...)
Definition: MWAWPictData.hxx:52
~MWAWPictMac() final
destructor
Definition: MWAWPictMac.cxx:54
small class use to define a embedded object
Definition: libmwaw_internal.hxx:467
std::shared_ptr< MWAWInputStream > MWAWInputStreamPtr
a smart pointer of MWAWInputStream
Definition: libmwaw_internal.hxx:551
bool valid() const final
returns true if the picture is valid
Definition: MWAWPictMac.hxx:80
SubType
the picture subtype
Definition: MWAWPictData.hxx:56
bool getBinary(MWAWEmbeddedObject &picture) const final
returns the final picture
Definition: MWAWPictMac.hxx:61
int cmp(MWAWPict const &a) const override
a virtual function used to obtain a strict order, must be redefined in the subs class ...
Definition: MWAWPictData.hxx:122
void extendBDBox(float val)
udaptes the bdbox, by extended it by (val-previousVal)
Definition: MWAWPict.hxx:137
Generic function used to define/store a picture.
Definition: MWAWPict.hxx:51

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