MWAWPictMac.hxx Source File documentation

MWAWPictMac.hxx
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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 final : public MWAWPictData
51{
52public:
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
104protected:
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
125 int m_version;
127 int m_subVersion;
128};
129
130#endif
131// vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
MWAWPictData.hxx
MWAWBox2< float >
MWAWPictData
an abstract class which defines basic formated picture ( AppleŠ Pict, DB3, ...)
Definition MWAWPictData.hxx:53
MWAWPictData::createFileData
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
MWAWPictData::cmp
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
MWAWPictData::SubType
SubType
the picture subtype
Definition MWAWPictData.hxx:56
MWAWPictData::PictMac
@ PictMac
Definition MWAWPictData.hxx:56
MWAWPictData::m_data
librevenge::RVNGBinaryData m_data
the data size (without the empty header of 512 characters)
Definition MWAWPictData.hxx:176
MWAWPictData::isEmpty
bool isEmpty() const
returns true if the picture is valid and has size 0 or contains no data
Definition MWAWPictData.hxx:91
MWAWPictMac
Class to read/store a Mac Pict1.0/2.0.
Definition MWAWPictMac.hxx:51
MWAWPictMac::cmp
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
MWAWPictMac::valid
bool valid() const final
returns true if the picture is valid
Definition MWAWPictMac.hxx:80
MWAWPictMac::getSubType
SubType getSubType() const final
returns the picture subtype
Definition MWAWPictMac.hxx:56
MWAWPictMac::m_subVersion
int m_subVersion
the picture subversion
Definition MWAWPictMac.hxx:127
MWAWPictMac::~MWAWPictMac
~MWAWPictMac() final
destructor
Definition MWAWPictMac.cxx:54
MWAWPictMac::m_version
int m_version
the picture version
Definition MWAWPictMac.hxx:125
MWAWPictMac::MWAWPictMac
MWAWPictMac(MWAWBox2f box)
protected constructor: use check to construct a picture
Definition MWAWPictMac.hxx:106
MWAWPictMac::convertPict1To2
static bool convertPict1To2(librevenge::RVNGBinaryData const &orig, librevenge::RVNGBinaryData &result)
convert a Pict1.0 in Pict2.0, if possible
Definition MWAWPictMac.cxx:1254
MWAWPictMac::getBinary
bool getBinary(MWAWEmbeddedObject &picture) const final
returns the final picture
Definition MWAWPictMac.hxx:61
MWAWPictMac::checkOrGet
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
MWAWPict
Generic function used to define/store a picture.
Definition MWAWPict.hxx:52
MWAWPict::ReadResult
ReadResult
an enum to defined the result of a parsing use by some picture's classes which can read their data
Definition MWAWPict.hxx:73
MWAWPict::extendBDBox
void extendBDBox(float val)
udaptes the bdbox, by extended it by (val-previousVal)
Definition MWAWPict.hxx:137
libmwaw_internal.hxx
MWAWInputStreamPtr
std::shared_ptr< MWAWInputStream > MWAWInputStreamPtr
a smart pointer of MWAWInputStream
Definition libmwaw_internal.hxx:551
MWAWEmbeddedObject
small class use to define a embedded object
Definition libmwaw_internal.hxx:467