QXPContentCollector.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3  * This file is part of the libqxp project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  */
9 
10 #ifndef QXPCONTENTCOLLECTOR_H_INCLUDED
11 #define QXPCONTENTCOLLECTOR_H_INCLUDED
12 
13 #include "QXPCollector.h"
14 #include <vector>
15 #include <unordered_map>
16 #include <map>
17 #include <memory>
18 #include <functional>
19 #include <type_traits>
20 
21 #include "QXPTypes.h"
22 
23 namespace libqxp
24 {
25 
27 {
28  // disable copying
29  QXPContentCollector(const QXPContentCollector &other) = delete;
30  QXPContentCollector &operator=(const QXPContentCollector &other) = delete;
31 
32 public:
33  QXPContentCollector(librevenge::RVNGDrawingInterface *painter);
35 
36  void startDocument() override;
37  void endDocument() override;
38 
39  void startPage(const Page &page) override;
40  void endPage() override;
41 
42  void collectDocumentProperties(const QXPDocumentProperties &props) override;
43 
44  void collectLine(const std::shared_ptr<Line> &line) override;
45  void collectBox(const std::shared_ptr<Box> &box) override;
46  void collectTextBox(const std::shared_ptr<TextBox> &box) override;
47  void collectTextPath(const std::shared_ptr<TextPath> &textPath) override;
48  void collectGroup(const std::shared_ptr<Group> &group) override;
49 
50  void collectText(const std::shared_ptr<Text> &text, const unsigned linkId) override;
51 
52 private:
53  struct CollectedPage;
54 
55  template<typename T>
56  using ObjectHandler = std::function<void(const std::shared_ptr<T> &obj, const CollectedPage &)>;
57 
58  template<typename T, typename TThis>
59  using ObjectHandlerMember = std::function<void(TThis *, const std::shared_ptr<T> &obj, const CollectedPage &)>;
60 
62  {
63  public:
64  virtual ~CollectedObjectInterface() = default;
65 
66  virtual void draw(const CollectedPage &page) = 0;
67 
68  virtual unsigned zIndex() const = 0;
69  virtual void setZIndex(unsigned value) = 0;
70  };
71 
72  template<typename T>
74  {
75  static_assert(std::is_base_of<Object, T>::value, "T is not Object");
76  public:
77  const std::shared_ptr<T> object;
78 
79  CollectedObject(const std::shared_ptr<T> &obj, const ObjectHandler<T> &handler)
80  : object(obj), m_handler(handler), m_isProcessed(false)
81  { }
82 
83  void draw(const CollectedPage &page) override
84  {
85  if (!m_isProcessed)
86  {
87  m_isProcessed = true;
88  m_handler(object, page);
89  }
90  }
91 
92  unsigned zIndex() const override
93  {
94  return object->zIndex;
95  }
96 
97  void setZIndex(unsigned value) override
98  {
99  object->zIndex = value;
100  }
101 
102  private:
105  };
106 
108  {
110  std::vector<std::shared_ptr<CollectedObject<Group>>> groups;
111  std::vector<std::shared_ptr<TextObject>> linkedTextObjects;
112  std::map<unsigned, std::shared_ptr<CollectedObjectInterface>> objects;
113 
114  CollectedPage(const PageSettings &pageSettings)
115  : settings(pageSettings), groups(), linkedTextObjects(), objects()
116  { }
117 
118  double getX(const double x) const;
119  double getX(const std::shared_ptr<Object> &obj) const;
120  double getY(const double y) const;
121  double getY(const std::shared_ptr<Object> &obj) const;
122  Point getPoint(const Point &p) const;
123  };
124 
125  librevenge::RVNGDrawingInterface *m_painter;
126 
130 
131  std::vector<CollectedPage> m_unprocessedPages;
132 
133  std::unordered_map<unsigned, std::shared_ptr<Text>> m_linkTextMap;
134  std::unordered_map<unsigned, std::unordered_map<unsigned, std::shared_ptr<TextObject>>> m_linkIndexedTextObjectsMap;
135 
137 
138  CollectedPage &getInsertionPage(const std::shared_ptr<Object> &obj);
139 
140  template<typename T>
141  std::shared_ptr<CollectedObject<T>> addObject(const std::shared_ptr<T> &obj, const ObjectHandlerMember<T, QXPContentCollector> &handler)
142  {
143  auto collectedObj = std::make_shared<CollectedObject<T>>(obj, std::bind(handler, this, std::placeholders::_1, std::placeholders::_2));
144  getInsertionPage(obj).objects[m_currentObjectIndex] = collectedObj;
146  return collectedObj;
147  }
148 
149  void draw(bool force = false);
150 
151  void collectTextObject(const std::shared_ptr<TextObject> &textObj, CollectedPage &page);
152  void updateLinkedTexts();
154 
155  void drawLine(const std::shared_ptr<Line> &line, const CollectedPage &page);
156  void drawBox(const std::shared_ptr<Box> &box, const CollectedPage &page);
157  void drawRectangle(const std::shared_ptr<Box> &box, const CollectedPage &page);
158  void drawOval(const std::shared_ptr<Box> &oval, const CollectedPage &page);
159  void drawPolygon(const std::shared_ptr<Box> &polygon, const CollectedPage &page);
160  void drawBezierBox(const std::shared_ptr<Box> &box, const CollectedPage &page);
161  void drawTextBox(const std::shared_ptr<TextBox> &textbox, const CollectedPage &page);
162  void drawTextPath(const std::shared_ptr<TextPath> &textPath, const CollectedPage &page);
163  void drawText(const std::shared_ptr<Text> &text, const LinkedTextSettings &linkSettings);
164  void drawGroup(const std::shared_ptr<Group> &group, const CollectedPage &page);
165 
166  void writeFill(librevenge::RVNGPropertyList &propList, const boost::optional<Fill> &fill);
167  void writeFrame(librevenge::RVNGPropertyList &propList, const Frame &frame, const bool runaround, const bool allowHairline = false);
168 };
169 
170 }
171 
172 #endif // QXPCONTENTCOLLECTOR_H_INCLUDED
173 
174 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
std::unordered_map< unsigned, std::shared_ptr< Text > > m_linkTextMap
Definition: QXPContentCollector.h:133
Definition: QXPContentCollector.h:61
void startPage(const Page &page) override
Definition: QXPContentCollector.cpp:336
Definition: QXPContentCollector.h:107
void drawOval(const std::shared_ptr< Box > &oval, const CollectedPage &page)
Definition: QXPContentCollector.cpp:632
void drawPolygon(const std::shared_ptr< Box > &polygon, const CollectedPage &page)
Definition: QXPContentCollector.cpp:656
void drawTextPath(const std::shared_ptr< TextPath > &textPath, const CollectedPage &page)
Definition: QXPContentCollector.cpp:762
double getY(const double y) const
Definition: QXPContentCollector.cpp:1173
std::vector< CollectedPage > m_unprocessedPages
Definition: QXPContentCollector.h:131
QXPContentCollector & operator=(const QXPContentCollector &other)=delete
std::unordered_map< unsigned, std::unordered_map< unsigned, std::shared_ptr< TextObject > > > m_linkIndexedTextObjectsMap
Definition: QXPContentCollector.h:134
Definition: libqxp_utils.cpp:24
void collectTextPath(const std::shared_ptr< TextPath > &textPath) override
Definition: QXPContentCollector.cpp:380
void collectTextBox(const std::shared_ptr< TextBox > &box) override
Definition: QXPContentCollector.cpp:368
~QXPContentCollector()
Definition: QXPContentCollector.cpp:302
void collectGroup(const std::shared_ptr< Group > &group) override
Definition: QXPContentCollector.cpp:392
void drawRectangle(const std::shared_ptr< Box > &box, const CollectedPage &page)
Definition: QXPContentCollector.cpp:597
void draw(bool force=false)
Definition: QXPContentCollector.cpp:425
std::function< void(const std::shared_ptr< T > &obj, const CollectedPage &)> ObjectHandler
Definition: QXPContentCollector.h:56
Definition: QXPTypes.h:361
double getX(const double x) const
Definition: QXPContentCollector.cpp:1163
Definition: QXPTypes.h:560
QXPDocumentProperties m_docProps
Definition: QXPContentCollector.h:136
Definition: QXPTypes.h:536
Point getPoint(const Point &p) const
Definition: QXPContentCollector.cpp:1183
Definition: QXPTypes.h:24
librevenge::RVNGDrawingInterface * m_painter
Definition: QXPContentCollector.h:125
void collectText(const std::shared_ptr< Text > &text, const unsigned linkId) override
Definition: QXPContentCollector.cpp:399
unsigned zIndex() const override
Definition: QXPContentCollector.h:92
virtual void draw(const CollectedPage &page)=0
void endDocument() override
Definition: QXPContentCollector.cpp:320
std::function< void(TThis *, const std::shared_ptr< T > &obj, const CollectedPage &)> ObjectHandlerMember
Definition: QXPContentCollector.h:59
void drawText(const std::shared_ptr< Text > &text, const LinkedTextSettings &linkSettings)
Definition: QXPContentCollector.cpp:831
const std::shared_ptr< T > object
Definition: QXPContentCollector.h:75
bool m_isDocumentStarted
Definition: QXPContentCollector.h:127
void collectBox(const std::shared_ptr< Box > &box) override
Definition: QXPContentCollector.cpp:363
CollectedPage(const PageSettings &pageSettings)
Definition: QXPContentCollector.h:114
std::shared_ptr< CollectedObject< T > > addObject(const std::shared_ptr< T > &obj, const ObjectHandlerMember< T, QXPContentCollector > &handler)
Definition: QXPContentCollector.h:141
std::map< unsigned, std::shared_ptr< CollectedObjectInterface > > objects
Definition: QXPContentCollector.h:112
void drawTextBox(const std::shared_ptr< TextBox > &textbox, const CollectedPage &page)
Definition: QXPContentCollector.cpp:712
const PageSettings settings
Definition: QXPContentCollector.h:109
void writeFill(librevenge::RVNGPropertyList &propList, const boost::optional< Fill > &fill)
Definition: QXPContentCollector.cpp:1079
std::vector< std::shared_ptr< CollectedObject< Group > > > groups
Definition: QXPContentCollector.h:110
void startDocument() override
Definition: QXPContentCollector.cpp:310
bool m_isCollectingFacingPage
Definition: QXPContentCollector.h:128
bool m_isProcessed
Definition: QXPContentCollector.h:104
CollectedPage & getInsertionPage(const std::shared_ptr< Object > &obj)
Definition: QXPContentCollector.cpp:416
std::vector< std::shared_ptr< TextObject > > linkedTextObjects
Definition: QXPContentCollector.h:111
void drawBox(const std::shared_ptr< Box > &box, const CollectedPage &page)
Definition: QXPContentCollector.cpp:577
void drawLine(const std::shared_ptr< Line > &line, const CollectedPage &page)
Definition: QXPContentCollector.cpp:535
Definition: QXPContentCollector.h:26
void collectDocumentProperties(const QXPDocumentProperties &props) override
Definition: QXPContentCollector.cpp:353
void writeFrame(librevenge::RVNGPropertyList &propList, const Frame &frame, const bool runaround, const bool allowHairline=false)
Definition: QXPContentCollector.cpp:1090
CollectedObject(const std::shared_ptr< T > &obj, const ObjectHandler< T > &handler)
Definition: QXPContentCollector.h:79
void collectTextObject(const std::shared_ptr< TextObject > &textObj, CollectedPage &page)
Definition: QXPContentCollector.cpp:474
void drawBezierBox(const std::shared_ptr< Box > &box, const CollectedPage &page)
Definition: QXPContentCollector.cpp:682
const ObjectHandler< T > m_handler
Definition: QXPContentCollector.h:103
unsigned m_currentObjectIndex
Definition: QXPContentCollector.h:129
void drawGroup(const std::shared_ptr< Group > &group, const CollectedPage &page)
Definition: QXPContentCollector.cpp:1047
void setZIndex(unsigned value) override
Definition: QXPContentCollector.h:97
Definition: QXPTypes.h:545
Definition: QXPContentCollector.h:73
void endPage() override
Definition: QXPContentCollector.cpp:347
void collectLine(const std::shared_ptr< Line > &line) override
Definition: QXPContentCollector.cpp:358
void updateLinkedTexts()
Definition: QXPContentCollector.cpp:496
QXPContentCollector(const QXPContentCollector &other)=delete
void draw(const CollectedPage &page) override
Definition: QXPContentCollector.h:83
Definition: QXPTypes.h:344
bool hasUnfinishedLinkedTexts()
Definition: QXPContentCollector.cpp:519
Definition: QXPCollector.h:27

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