MWAWPictMac.hxx
Go to the documentation of this file.
1 /* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */
2 
3 /* libmwaw
4 * Version: MPL 2.0 / LGPLv2+
5 *
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 2.0 (the "License"); you may not use this file except in compliance with
8 * the License or as specified alternatively below. You may obtain a copy of
9 * the License at http://www.mozilla.org/MPL/
10 *
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
14 * License.
15 *
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)
22 *
23 *
24 * All Rights Reserved.
25 *
26 * For minor contributions see the git repository.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
30 * in which case the provisions of the LGPLv2+ are applicable
31 * instead of those above.
32 */
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 : public MWAWPictData
51 {
52 public:
53 
55  virtual SubType getSubType() const
56  {
57  return MWAWPictData::PictMac;
58  }
60  virtual bool getBinary(MWAWEmbeddedObject &picture) const
61  {
62  if (!valid() || isEmpty()) return false;
63  librevenge::RVNGBinaryData res;
64  if (m_version == 1) {
65  librevenge::RVNGBinaryData dataV2;
66  if (convertPict1To2(m_data, dataV2)) {
67  createFileData(dataV2, res);
68  picture=MWAWEmbeddedObject(res, "image/pict");
69  return true;
70  }
71  }
72  createFileData(m_data, res);
73  picture=MWAWEmbeddedObject(res, "image/pict");
74  return true;
75 
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 
103 protected:
105  explicit MWAWPictMac(MWAWBox2f box) : MWAWPictData(box), m_version(-1), m_subVersion(-1)
106  {
107  extendBDBox(1.0);
108  }
109 
110  friend class MWAWPictData;
117  static ReadResult checkOrGet(MWAWInputStreamPtr input, int size,
118  MWAWBox2f &box, MWAWPictData **result = 0L);
119 
124 };
125 
126 #endif
127 // 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:1214
virtual SubType getSubType() const
returns the picture subtype
Definition: MWAWPictMac.hxx:55
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:50
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&#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:105
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
int m_subVersion
the picture subversion
Definition: MWAWPictMac.hxx:123
int m_version
the picture version
Definition: MWAWPictMac.hxx:121
Definition: MWAWPictData.hxx:56
an abstract class which defines basic formated picture ( AppleŠ Pict, DB3, ...)
Definition: MWAWPictData.hxx:52
small class use to define a embedded object
Definition: libmwaw_internal.hxx:419
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:496
virtual bool getBinary(MWAWEmbeddedObject &picture) const
returns the final picture
Definition: MWAWPictMac.hxx:60
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:55
SubType
the picture subtype
Definition: MWAWPictData.hxx:56
bool isEmpty() const
returns true if the picture is valid and has size 0 or contains no data
Definition: MWAWPictData.hxx:89
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

Generated on Fri Feb 5 2016 02:58:17 for libmwaw by doxygen 1.8.11