GWGraph.hxx
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2 
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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26 * For minor contributions see the git repository.
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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 /*
35  * Parser to GreatWorks text document ( graphic part )
36  *
37  */
38 #ifndef GW_GRAPH
39 # define GW_GRAPH
40 
41 #include <set>
42 #include <string>
43 #include <vector>
44 
45 #include <libwpd/libwpd.h>
46 
47 #include "libmwaw_internal.hxx"
48 
49 #include "MWAWDebug.hxx"
50 #include "MWAWInputStream.hxx"
51 
52 namespace GWGraphInternal
53 {
54 struct Frame;
55 struct FrameBasic;
56 struct Style;
57 struct Zone;
58 
59 struct State;
60 class SubDocument;
61 }
62 
63 class GWParser;
64 
70 class GWGraph
71 {
72  friend class GWParser;
74 
75 public:
77  GWGraph(GWParser &parser);
79  virtual ~GWGraph();
80 
82  int version() const;
83 
85  int numPages() const;
86 
87 protected:
89  bool sendPageGraphics();
91  void flushExtra();
92 
93  //
94  // Intermediate level
95  //
96 
97  // RSRC
99  bool readPatterns(MWAWEntry const &entry);
101  bool readPalettes(MWAWEntry const &entry);
102 
103  // DataFork: pict
105  bool sendPageFrames(GWGraphInternal::Zone const &zone);
107  bool sendFrame(shared_ptr<GWGraphInternal::Frame> frame, GWGraphInternal::Zone const &zone, int order);
109  bool sendTextbox(MWAWEntry const &entry);
111  bool sendPicture(MWAWEntry const &entry, MWAWPosition pos);
113  bool sendBasic(GWGraphInternal::FrameBasic const &graph, GWGraphInternal::Zone const &zone, MWAWPosition pos);
114 
115  // DataFork: graphic zone
116 
118  bool readGraphicZone();
120  bool isGraphicZone();
122  bool findGraphicZone();
123 
125  bool isPageFrames();
127  bool readPageFrames();
129  shared_ptr<GWGraphInternal::Frame> readFrameHeader();
131  bool readStyle(GWGraphInternal::Style &style);
133  bool readLineFormat(std::string &extra);
134 
135  // interface with mainParser
136 
137  //
138  // low level
139  //
142  (std::vector<std::vector<int> > const &tree, int id, std::vector<int> &order, std::set<int> &seen);
143 
144 private:
145  GWGraph(GWGraph const &orig);
146  GWGraph &operator=(GWGraph const &orig);
147 
148 protected:
149  //
150  // data
151  //
154 
156  shared_ptr<GWGraphInternal::State> m_state;
157 
160 };
161 #endif
162 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
bool readPatterns(MWAWEntry const &entry)
read a pattern list block ( PAT# resource block )
Definition: GWGraph.cxx:664
void flushExtra()
sends the data which have not yet been sent to the listener
Definition: GWGraph.cxx:1866
bool readPageFrames()
try to read a list of page frame ( picture, texture or basic )
Definition: GWGraph.cxx:1194
int numPages() const
returns the number of pages
Definition: GWGraph.cxx:636
bool sendPicture(MWAWEntry const &entry, MWAWPosition pos)
try to send a picture
Definition: GWGraph.cxx:1679
int version() const
returns the file version
Definition: GWGraph.cxx:630
Internal: a list of graphic corresponding to a page.
Definition: GWGraph.cxx:538
bool isPageFrames()
check if a zone is or not a page frame zone
Definition: GWGraph.cxx:944
Internal: the subdocument of a GWGraph.
Definition: GWGraph.cxx:565
static void buildFrameDataReadOrderFromTree(std::vector< std::vector< int > > const &tree, int id, std::vector< int > &order, std::set< int > &seen)
reconstruct the order to used for reading the frame data
Definition: GWGraph.cxx:1727
virtual ~GWGraph()
destructor
Definition: GWGraph.cxx:627
bool sendBasic(GWGraphInternal::FrameBasic const &graph, GWGraphInternal::Zone const &zone, MWAWPosition pos)
try to send a basic picture
Definition: GWGraph.cxx:1757
GWParser * m_mainParser
the main parser;
Definition: GWGraph.hxx:159
MWAWParserStatePtr m_parserState
the parser state
Definition: GWGraph.hxx:153
bool findGraphicZone()
try to find the beginning of the next graphic zone
Definition: GWGraph.cxx:874
the main class to read the graphic part of a HanMac Word-J file
Definition: GWGraph.hxx:70
bool isGraphicZone()
return true if this corresponds to a graphic zone
Definition: GWGraph.cxx:759
Internal: the basic graphic of a GWGraph.
Definition: GWGraph.cxx:284
shared_ptr< GWGraphInternal::Frame > readFrameHeader()
try to read a basic frame header
Definition: GWGraph.cxx:1575
GWGraph & operator=(GWGraph const &orig)
bool readPalettes(MWAWEntry const &entry)
read a list of color and maybe patterns ( PlTT resource block: v2 )
Definition: GWGraph.cxx:703
bool sendTextbox(MWAWEntry const &entry)
try to send the textbox text
Definition: GWGraph.cxx:650
Internal: the graphic style of a GWGraph.
Definition: GWGraph.cxx:60
bool sendPageGraphics()
try to send the page graphic
Definition: GWGraph.cxx:1851
shared_ptr< MWAWParserState > MWAWParserStatePtr
a smart pointer of MWAWParserState
Definition: libmwaw_internal.hxx:342
the main class to read a GreatWorks text file
Definition: GWParser.hxx:57
Class to define the position of an object (textbox, picture, ..) in the document. ...
Definition: MWAWPosition.hxx:47
bool readGraphicZone()
try to read the graphic zone ( draw file or end of v2 text file)
Definition: GWGraph.cxx:797
basic class to store an entry in a file This contained :
Definition: MWAWEntry.hxx:46
bool readLineFormat(std::string &extra)
try to read a line format style? in v1
Definition: GWGraph.cxx:1172
bool readStyle(GWGraphInternal::Style &style)
try to read a zone style
Definition: GWGraph.cxx:1002
bool sendPageFrames(GWGraphInternal::Zone const &zone)
try to send all data corresponding to a zone
Definition: GWGraph.cxx:1830
GWGraph(GWParser &parser)
constructor
Definition: GWGraph.cxx:621
shared_ptr< GWGraphInternal::State > m_state
the state
Definition: GWGraph.hxx:156
bool sendFrame(shared_ptr< GWGraphInternal::Frame > frame, GWGraphInternal::Zone const &zone, int order)
try to send a frame
Definition: GWGraph.cxx:1782

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