MWAWPictMac.hxx
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3 /* libmwaw
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17 * Copyright (C) 2002 William Lachance (wrlach@gmail.com)
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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 <assert.h>
42 # include <ostream>
43 # include <string>
44 
45 # include <librevenge/librevenge.h>
46 
47 # include "libmwaw_internal.hxx"
48 # include "MWAWPictData.hxx"
49 
51 class MWAWPictMac : public MWAWPictData
52 {
53 public:
54 
56  virtual SubType getSubType() const
57  {
58  return MWAWPictData::PictMac;
59  }
60 
62  virtual bool getBinary(librevenge::RVNGBinaryData &res, std::string &s) const
63  {
64  if (!valid() || isEmpty()) return false;
65 
66  s = "image/pict";
67  if (m_version == 1) {
68  librevenge::RVNGBinaryData dataV2;
69  if (convertPict1To2(m_data, dataV2)) {
70  createFileData(dataV2, res);
71  return true;
72  }
73  }
74  createFileData(m_data, res);
75  return true;
76  }
77 
79  virtual bool valid() const
80  {
81  return (m_version >= 1) && (m_version <= 2);
82  }
83 
86  virtual int cmp(MWAWPict const &a) const
87  {
88  int diff = MWAWPictData::cmp(a);
89  if (diff) return diff;
90  MWAWPictMac const &aPict = static_cast<MWAWPictMac const &>(a);
91 
92  diff = m_version - (int) aPict.m_version;
93  if (diff) return (diff < 0) ? -1 : 1;
94  diff = m_subVersion - (int) aPict.m_subVersion;
95  if (diff) return (diff < 0) ? -1 : 1;
96 
97  return 0;
98  }
99 
101  static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result);
102 
106  static void parsePict1(librevenge::RVNGBinaryData const &orig, std::string const &fname);
107 
111  static void parsePict2(librevenge::RVNGBinaryData const &orig, std::string const &fname);
112 
113 protected:
116  {
117  extendBDBox(1.0);
118  }
119 
120  friend class MWAWPictData;
127  static ReadResult checkOrGet(MWAWInputStreamPtr input, int size,
128  MWAWBox2f &box, MWAWPictData **result = 0L);
129 
134 };
135 
136 #endif
137 // 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:166
static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result)
convert a Pict1.0 in Pict2.0, if possible
Definition: MWAWPictMac.cxx:2129
virtual SubType getSubType() const
returns the picture subtype
Definition: MWAWPictMac.hxx:56
virtual bool valid() const
returns true if the picture is valid
Definition: MWAWPictMac.hxx:79
Class to read/store a Mac Pict1.0/2.0.
Definition: MWAWPictMac.hxx:51
static void parsePict2(librevenge::RVNGBinaryData const &orig, std::string const &fname)
tries to parse a Pict2.
Definition: MWAWPictMac.cxx:2119
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:45
ReadResult
an enum to defined the result of a parsing use by some picture's classes which can read their data ...
Definition: MWAWPict.hxx:74
MWAWPictMac(MWAWBox2f box)
protected constructor: use check to construct a picture
Definition: MWAWPictMac.hxx:115
virtual int cmp(MWAWPict const &a) const
a virtual function used to obtain a strict order, must be redefined in the subs class ...
Definition: MWAWPictMac.hxx:86
static void parsePict1(librevenge::RVNGBinaryData const &orig, std::string const &fname)
tries to parse a Pict1.0 and dump the file Actually mainly used for debugging, but will be a first st...
Definition: MWAWPictMac.cxx:2109
int m_subVersion
the picture subversion
Definition: MWAWPictMac.hxx:133
int m_version
the picture version
Definition: MWAWPictMac.hxx:131
Definition: MWAWPictData.hxx:57
an abstract class which defines basic formated picture ( AppleŠ Pict, DB3, ...)
Definition: MWAWPictData.hxx:53
virtual int cmp(MWAWPict const &a) const
a virtual function used to obtain a strict order, must be redefined in the subs class ...
Definition: MWAWPictData.hxx:120
shared_ptr< MWAWInputStream > MWAWInputStreamPtr
a smart pointer of MWAWInputStream
Definition: libmwaw_internal.hxx:439
static ReadResult checkOrGet(MWAWInputStreamPtr input, int size, MWAWBox2f &box, MWAWPictData **result=0L)
checks if the data pointed by input and of given size is a pict 1.0, 2.0 or 2.1
Definition: MWAWPictMac.cxx:57
SubType
the picture subtype
Definition: MWAWPictData.hxx:57
bool isEmpty() const
returns true if the picture is valid and has size 0 or contains no data
Definition: MWAWPictData.hxx:89
virtual bool getBinary(librevenge::RVNGBinaryData &res, std::string &s) const
returns the final librevenge::RVNGBinary data
Definition: MWAWPictMac.hxx:62
void extendBDBox(float val)
udaptes the bdbox, by extended it by (val-previousVal)
Definition: MWAWPict.hxx:138
Generic function used to define/store a picture.
Definition: MWAWPict.hxx:52

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