MWAWGraphicStyle.hxx
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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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33 #ifndef MWAW_GRAPHIC_STYLE
34 # define MWAW_GRAPHIC_STYLE
35 # include <ostream>
36 # include <string>
37 # include <vector>
38 
39 # include "librevenge/librevenge.h"
40 # include "libmwaw_internal.hxx"
41 
48 {
49 public:
56 
58  struct Arrow {
60  Arrow() : m_width(0), m_viewBox(), m_path(""), m_isCentered(false)
61  {
62  }
64  Arrow(float w, MWAWBox2i const &box, std::string path, bool centered=false) :
65  m_width(w), m_viewBox(box), m_path(path), m_isCentered(centered)
66  {
67  }
69  static Arrow plain()
70  {
71  return Arrow(5, MWAWBox2i(MWAWVec2i(0,0),MWAWVec2i(20,30)), "m10 0-10 30h20z", false);
72  }
74  friend std::ostream &operator<<(std::ostream &o, Arrow const &arrow)
75  {
76  if (arrow.isEmpty()) return o;
77  o << "w=" << arrow.m_width << ",";
78  o << "viewbox=" << arrow.m_viewBox << ",";
79  o << "path=" << arrow.m_path << ",";
80  if (arrow.m_isCentered) o << "centered,";
81  return o;
82  }
84  bool operator==(Arrow const &arrow) const
85  {
86  return m_width>=arrow.m_width && m_width<=arrow.m_width &&
87  m_viewBox==arrow.m_viewBox && m_path==arrow.m_path && m_isCentered==arrow.m_isCentered;
88  }
90  bool operator!=(Arrow const &arrow) const
91  {
92  return !(*this==arrow);
93  }
95  bool operator<(Arrow const &arrow) const
96  {
97  if (m_isCentered<arrow.m_isCentered) return m_isCentered ? true : false;
98  return m_width<arrow.m_width && m_viewBox<arrow.m_viewBox && m_path < arrow.m_path;
99  }
101  bool operator<=(Arrow const &arrow) const
102  {
103  return *this<arrow || *this==arrow;
104  }
106  bool operator>(Arrow const &arrow) const
107  {
108  return !(*this<=arrow);
109  }
111  bool operator>=(Arrow const &arrow) const
112  {
113  return !(*this<arrow);
114  }
116  bool isEmpty() const
117  {
118  return m_width<=0 || m_path.empty();
119  }
121  void addTo(librevenge::RVNGPropertyList &propList, std::string const &type) const;
122 
124  float m_width;
128  std::string m_path;
131  };
132 
134  struct GradientStop {
136  GradientStop(float offset=0.0, MWAWColor const &col=MWAWColor::black(), float opacity=1.0) :
137  m_offset(offset), m_color(col), m_opacity(opacity)
138  {
139  }
141  int cmp(GradientStop const &a) const
142  {
143  if (m_offset < a.m_offset) return -1;
144  if (m_offset > a.m_offset) return 1;
145  if (m_color < a.m_color) return -1;
146  if (m_color > a.m_color) return 1;
147  if (m_opacity < a.m_opacity) return -1;
148  if (m_opacity > a.m_opacity) return 1;
149  return 0;
150  }
152  friend std::ostream &operator<<(std::ostream &o, GradientStop const &st)
153  {
154  o << "offset=" << st.m_offset << ",";
155  o << "color=" << st.m_color << ",";
156  if (st.m_opacity<1.0)
157  o << "opacity=" << st.m_opacity*100.f << "%,";
158  return o;
159  }
161  float m_offset;
165  float m_opacity;
166  };
171  struct Pattern {
174  {
177  }
179  Pattern(MWAWVec2i dim, MWAWEmbeddedObject const &picture, MWAWColor const &avColor) :
180  m_dim(dim), m_data(), m_picture(picture), m_pictureAverageColor(avColor)
181  {
184  }
186  virtual ~Pattern() {}
188  bool empty() const
189  {
190  if (m_dim[0]==0 || m_dim[1]==0) return true;
191  if (!m_picture.m_dataList.empty()) return false;
192  if (m_dim[0]!=8 && m_dim[0]!=16 && m_dim[0]!=32) return true;
193  return m_data.size()!=size_t((m_dim[0]/8)*m_dim[1]);
194  }
196  bool getAverageColor(MWAWColor &col) const;
198  bool getUniqueColor(MWAWColor &col) const;
200  bool getBinary(MWAWEmbeddedObject &picture) const;
201 
203  int cmp(Pattern const &a) const
204  {
205  int diff = m_dim.cmp(a.m_dim);
206  if (diff) return diff;
207  if (m_data.size() < a.m_data.size()) return -1;
208  if (m_data.size() > a.m_data.size()) return 1;
209  for (size_t h=0; h < m_data.size(); ++h) {
210  if (m_data[h]<a.m_data[h]) return 1;
211  if (m_data[h]>a.m_data[h]) return -1;
212  }
213  for (int i=0; i<2; ++i) {
214  if (m_colors[i] < a.m_colors[i]) return 1;
215  if (m_colors[i] > a.m_colors[i]) return -1;
216  }
218  if (m_pictureAverageColor > a.m_pictureAverageColor) return -1;
219  diff=m_picture.cmp(a.m_picture);
220  if (diff) return diff;
221  return 0;
222  }
224  friend std::ostream &operator<<(std::ostream &o, Pattern const &pat)
225  {
226  o << "dim=" << pat.m_dim << ",";
227  if (!pat.m_picture.isEmpty()) {
228  o << "pict=" << pat.m_picture << ",";
229  o << "col[average]=" << pat.m_pictureAverageColor << ",";
230  }
231  else {
232  if (!pat.m_colors[0].isBlack()) o << "col0=" << pat.m_colors[0] << ",";
233  if (!pat.m_colors[1].isWhite()) o << "col1=" << pat.m_colors[1] << ",";
234  o << "[";
235  for (size_t h=0; h < pat.m_data.size(); ++h)
236  o << std::hex << (int) pat.m_data[h] << std::dec << ",";
237  o << "],";
238  }
239  return o;
240  }
243 
247  std::vector<unsigned char> m_data;
248  protected:
253  };
258  m_pattern(),
261  m_rotate(0), m_extra("")
262  {
263  m_arrows[0]=m_arrows[1]=Arrow();
264  m_flip[0]=m_flip[1]=false;
267  }
270  {
271  MWAWGraphicStyle res;
272  res.m_lineWidth=0;
273  return res;
274  }
276  virtual ~MWAWGraphicStyle() { }
278  bool hasLine() const
279  {
280  return m_lineWidth>0 && m_lineOpacity>0;
281  }
283  void setSurfaceColor(MWAWColor const &col, float opacity = 1)
284  {
285  m_surfaceColor = col;
286  m_surfaceOpacity = opacity;
287  }
289  bool hasSurfaceColor() const
290  {
291  return m_surfaceOpacity > 0;
292  }
294  void setPattern(Pattern const &pat, float opacity = 1)
295  {
296  m_pattern=pat;
297  m_surfaceOpacity = opacity;
298  }
300  bool hasPattern() const
301  {
302  return !m_pattern.empty() && m_surfaceOpacity > 0;
303  }
305  bool hasGradient(bool complex=false) const
306  {
307  return m_gradientType != G_None && (int) m_gradientStopList.size() >= (complex ? 3 : 2);
308  }
310  bool hasSurface() const
311  {
312  return hasSurfaceColor() || hasPattern() || hasGradient();
313  }
315  void setBackgroundColor(MWAWColor const &col, float opacity = 1)
316  {
317  m_backgroundColor = col;
318  m_backgroundOpacity = opacity;
319  }
321  bool hasBackgroundColor() const
322  {
323  return m_backgroundOpacity > 0;
324  }
326  void setShadowColor(MWAWColor const &col, float opacity = 1)
327  {
328  m_shadowColor = col;
329  m_shadowOpacity = opacity;
330  }
332  bool hasShadow() const
333  {
334  return m_shadowOpacity > 0;
335  }
337  bool hasBorders() const
338  {
339  return !m_bordersList.empty();
340  }
342  bool hasSameBorders() const
343  {
344  if (m_bordersList.empty()) return true;
345  if (m_bordersList.size()!=4) return false;
346  for (size_t i=1; i<m_bordersList.size(); ++i) {
347  if (m_bordersList[i]!=m_bordersList[0])
348  return false;
349  }
350  return true;
351  }
353  std::vector<MWAWBorder> const &borders() const
354  {
355  return m_bordersList;
356  }
359  {
360  m_bordersList.resize(0);
361  }
363  void setBorders(int wh, MWAWBorder const &border);
365  friend std::ostream &operator<<(std::ostream &o, MWAWGraphicStyle const &st);
367  void addTo(librevenge::RVNGPropertyList &pList, bool only1d=false) const;
369  void addFrameTo(librevenge::RVNGPropertyList &pList) const;
371  int cmp(MWAWGraphicStyle const &a) const;
372 
374  float m_lineWidth;
376  std::vector<float> m_lineDashWidth;
391 
398 
401 
405  std::vector<GradientStop> m_gradientStopList;
414 
417 
418  //
419  // related to the frame
420  //
421 
427  std::vector<MWAWBorder> m_bordersList;
429  std::string m_frameName;
431  std::string m_frameNextName;
432 
433  //
434  // some transformation: must probably be somewhere else
435  //
436 
438  float m_rotate;
440  bool m_flip[2];
441 
443  std::string m_extra;
444 };
445 #endif
446 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:

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