MWAWGraphicStyle.hxx
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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
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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)
22 *
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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 #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 {
61  : m_viewBox()
62  , m_path("")
63  , m_width(0)
64  , m_isCentered(false)
65  {
66  }
68  Arrow(float w, MWAWBox2i const &box, std::string const &path, bool centered=false)
69  : m_viewBox(box)
70  , m_path(path)
71  , m_width(w)
72  , m_isCentered(centered)
73  {
74  }
76  static Arrow plain()
77  {
78  return Arrow(5, MWAWBox2i(MWAWVec2i(0,0),MWAWVec2i(20,30)), "m10 0-10 30h20z", false);
79  }
81  friend std::ostream &operator<<(std::ostream &o, Arrow const &arrow)
82  {
83  if (arrow.isEmpty()) return o;
84  o << "w=" << arrow.m_width << ",";
85  o << "viewbox=" << arrow.m_viewBox << ",";
86  o << "path=" << arrow.m_path << ",";
87  if (arrow.m_isCentered) o << "centered,";
88  return o;
89  }
91  bool operator==(Arrow const &arrow) const
92  {
93  return m_width>=arrow.m_width && m_width<=arrow.m_width &&
94  m_viewBox==arrow.m_viewBox && m_path==arrow.m_path && m_isCentered==arrow.m_isCentered;
95  }
97  bool operator!=(Arrow const &arrow) const
98  {
99  return !(*this==arrow);
100  }
102  bool operator<(Arrow const &arrow) const
103  {
104  if (m_isCentered<arrow.m_isCentered) return m_isCentered ? true : false;
105  return m_width<arrow.m_width && m_viewBox<arrow.m_viewBox && m_path < arrow.m_path;
106  }
108  bool operator<=(Arrow const &arrow) const
109  {
110  return *this<arrow || *this==arrow;
111  }
113  bool operator>(Arrow const &arrow) const
114  {
115  return !(*this<=arrow);
116  }
118  bool operator>=(Arrow const &arrow) const
119  {
120  return !(*this<arrow);
121  }
123  bool isEmpty() const
124  {
125  return m_width<=0 || m_path.empty();
126  }
128  void addTo(librevenge::RVNGPropertyList &propList, std::string const &type) const;
129 
133  std::string m_path;
135  float m_width;
138  };
139 
141  struct GradientStop {
143  explicit GradientStop(float offset=0.0, MWAWColor const &col=MWAWColor::black(), float opacity=1.0)
144  : m_offset(offset)
145  , m_color(col)
146  , m_opacity(opacity)
147  {
148  }
150  int cmp(GradientStop const &a) const
151  {
152  if (m_offset < a.m_offset) return -1;
153  if (m_offset > a.m_offset) return 1;
154  if (m_color < a.m_color) return -1;
155  if (m_color > a.m_color) return 1;
156  if (m_opacity < a.m_opacity) return -1;
157  if (m_opacity > a.m_opacity) return 1;
158  return 0;
159  }
161  friend std::ostream &operator<<(std::ostream &o, GradientStop const &st)
162  {
163  o << "offset=" << st.m_offset << ",";
164  o << "color=" << st.m_color << ",";
165  if (st.m_opacity<1)
166  o << "opacity=" << st.m_opacity*100.f << "%,";
167  return o;
168  }
170  float m_offset;
174  float m_opacity;
175  };
180  struct Pattern {
183  : m_dim(0,0)
184  , m_data()
185  , m_picture()
186  , m_pictureAverageColor(MWAWColor::white())
187  {
190  }
192  Pattern(MWAWVec2i dim, MWAWEmbeddedObject const &picture, MWAWColor const &avColor)
193  : m_dim(dim)
194  , m_data()
195  , m_picture(picture)
196  , m_pictureAverageColor(avColor)
197  {
200  }
201  Pattern(Pattern const &)=default;
202  Pattern &operator=(Pattern const &)=default;
204  virtual ~Pattern();
206  bool empty() const
207  {
208  if (m_dim[0]==0 || m_dim[1]==0) return true;
209  if (!m_picture.m_dataList.empty()) return false;
210  if (m_dim[0]!=8 && m_dim[0]!=16 && m_dim[0]!=32) return true;
211  return m_data.size()!=size_t((m_dim[0]/8)*m_dim[1]);
212  }
214  bool getAverageColor(MWAWColor &col) const;
216  bool getUniqueColor(MWAWColor &col) const;
218  bool getBinary(MWAWEmbeddedObject &picture) const;
219 
221  int cmp(Pattern const &a) const
222  {
223  int diff = m_dim.cmp(a.m_dim);
224  if (diff) return diff;
225  if (m_data.size() < a.m_data.size()) return -1;
226  if (m_data.size() > a.m_data.size()) return 1;
227  for (size_t h=0; h < m_data.size(); ++h) {
228  if (m_data[h]<a.m_data[h]) return 1;
229  if (m_data[h]>a.m_data[h]) return -1;
230  }
231  for (int i=0; i<2; ++i) {
232  if (m_colors[i] < a.m_colors[i]) return 1;
233  if (m_colors[i] > a.m_colors[i]) return -1;
234  }
236  if (m_pictureAverageColor > a.m_pictureAverageColor) return -1;
237  diff=m_picture.cmp(a.m_picture);
238  if (diff) return diff;
239  return 0;
240  }
242  friend std::ostream &operator<<(std::ostream &o, Pattern const &pat)
243  {
244  o << "dim=" << pat.m_dim << ",";
245  if (!pat.m_picture.isEmpty()) {
246  o << "pict=" << pat.m_picture << ",";
247  o << "col[average]=" << pat.m_pictureAverageColor << ",";
248  }
249  else {
250  if (!pat.m_colors[0].isBlack()) o << "col0=" << pat.m_colors[0] << ",";
251  if (!pat.m_colors[1].isWhite()) o << "col1=" << pat.m_colors[1] << ",";
252  o << "[";
253  for (auto data : pat.m_data)
254  o << std::hex << static_cast<int>(data) << std::dec << ",";
255  o << "],";
256  }
257  return o;
258  }
261 
265  std::vector<unsigned char> m_data;
266  protected:
271  };
274  : m_lineDashWidth()
275  , m_lineWidth(1)
276  , m_lineCap(C_Butt)
278  , m_lineOpacity(1)
279  , m_lineColor(MWAWColor::black())
280  , m_surfaceColor(MWAWColor::white())
281  , m_surfaceOpacity(0)
282  , m_shadowColor(MWAWColor::black())
283  , m_shadowOpacity(0)
284  , m_shadowOffset(1,1)
286  , m_pattern()
288  , m_gradientAngle(0)
289  , m_gradientBorder(0)
290  , m_gradientPercentCenter(0.5f,0.5f)
291  , m_gradientRadius(1)
292  , m_backgroundColor(MWAWColor::white())
293  , m_backgroundOpacity(-1)
294  , m_rotate(0)
295  , m_bordersList()
296  , m_frameName("")
297  , m_frameNextName("")
298  , m_fillRuleEvenOdd(false)
299  , m_extra("")
300  {
301  for (auto &fl : m_flip) fl=false;
304  }
305  MWAWGraphicStyle(MWAWGraphicStyle const &)=default;
306  MWAWGraphicStyle &operator=(MWAWGraphicStyle const &)=default;
309  {
310  MWAWGraphicStyle res;
311  res.m_lineWidth=0;
312  return res;
313  }
315  virtual ~MWAWGraphicStyle();
317  bool hasLine() const
318  {
319  return m_lineWidth>0 && m_lineOpacity>0;
320  }
322  void setSurfaceColor(MWAWColor const &col, float opacity = 1)
323  {
324  m_surfaceColor = col;
325  m_surfaceOpacity = opacity;
326  }
328  bool hasSurfaceColor() const
329  {
330  return m_surfaceOpacity > 0;
331  }
333  void setPattern(Pattern const &pat, float opacity = 1)
334  {
335  m_pattern=pat;
336  m_surfaceOpacity = opacity;
337  }
339  bool hasPattern() const
340  {
341  return !m_pattern.empty() && m_surfaceOpacity > 0;
342  }
344  bool hasGradient(bool complex=false) const
345  {
346  return m_gradientType != G_None && static_cast<int>(m_gradientStopList.size()) >= (complex ? 3 : 2);
347  }
349  bool hasSurface() const
350  {
351  return hasSurfaceColor() || hasPattern() || hasGradient();
352  }
354  void setBackgroundColor(MWAWColor const &col, float opacity = 1)
355  {
356  m_backgroundColor = col;
357  m_backgroundOpacity = opacity;
358  }
360  bool hasBackgroundColor() const
361  {
362  return m_backgroundOpacity > 0;
363  }
365  void setShadowColor(MWAWColor const &col, float opacity = 1)
366  {
367  m_shadowColor = col;
368  m_shadowOpacity = opacity;
369  }
371  bool hasShadow() const
372  {
373  return m_shadowOpacity > 0;
374  }
376  bool hasBorders() const
377  {
378  return !m_bordersList.empty();
379  }
381  bool hasSameBorders() const
382  {
383  if (m_bordersList.empty()) return true;
384  if (m_bordersList.size()!=4) return false;
385  for (size_t i=1; i<m_bordersList.size(); ++i) {
386  if (m_bordersList[i]!=m_bordersList[0])
387  return false;
388  }
389  return true;
390  }
392  std::vector<MWAWBorder> const &borders() const
393  {
394  return m_bordersList;
395  }
398  {
399  m_bordersList.resize(0);
400  }
402  void setBorders(int wh, MWAWBorder const &border);
404  friend std::ostream &operator<<(std::ostream &o, MWAWGraphicStyle const &st);
406  void addTo(librevenge::RVNGPropertyList &pList, bool only1d=false) const;
408  void addFrameTo(librevenge::RVNGPropertyList &pList) const;
410  int cmp(MWAWGraphicStyle const &a) const;
411 
413  std::vector<float> m_lineDashWidth;
415  float m_lineWidth;
428 
437 
440 
442  std::vector<GradientStop> m_gradientStopList;
451 
452  //
453  // related to the frame
454  //
455 
461  float m_rotate;
463  std::vector<MWAWBorder> m_bordersList;
465  std::string m_frameName;
467  std::string m_frameNextName;
468 
471 
472  //
473  // some transformation: must probably be somewhere else
474  //
475 
477  bool m_flip[2];
478 
482  std::string m_extra;
483 };
484 #endif
485 // vim: set filetype=cpp tabstop=2 shiftwidth=2 cindent autoindent smartindent noexpandtab:
MWAWBox2i m_viewBox
the arrow viewbox
Definition: MWAWGraphicStyle.hxx:131
void addTo(librevenge::RVNGPropertyList &propList, std::string const &type) const
add a arrow to the propList knowing the type (start, end)
Definition: MWAWGraphicStyle.cxx:56
bool m_flip[2]
two bool to indicated we need to flip the shape or not
Definition: MWAWGraphicStyle.hxx:477
virtual ~Pattern()
virtual destructor
Definition: MWAWGraphicStyle.cxx:82
friend std::ostream & operator<<(std::ostream &o, GradientStop const &st)
a print operator
Definition: MWAWGraphicStyle.hxx:161
int cmp(MWAWGraphicStyle const &a) const
compare two styles
Definition: MWAWGraphicStyle.cxx:418
MWAWVec2i m_dim
the dimension width x height
Definition: MWAWGraphicStyle.hxx:260
MWAWColor m_surfaceColor
the surface color
Definition: MWAWGraphicStyle.hxx:425
std::string m_frameNextName
the frame next name (if there is a link)
Definition: MWAWGraphicStyle.hxx:467
MWAWColor m_shadowColor
the shadow color
Definition: MWAWGraphicStyle.hxx:430
Definition: MWAWGraphicStyle.hxx:53
int cmp(MWAWEmbeddedObject const &pict) const
a comparison function
Definition: libmwaw_internal.cxx:598
float m_opacity
the opacity
Definition: MWAWGraphicStyle.hxx:174
float m_backgroundOpacity
true if the background has some color
Definition: MWAWGraphicStyle.hxx:459
std::string m_frameName
the frame name
Definition: MWAWGraphicStyle.hxx:465
std::vector< librevenge::RVNGBinaryData > m_dataList
the picture content: one data by representation
Definition: libmwaw_internal.hxx:511
bool isWhite() const
return true if the color is white
Definition: libmwaw_internal.hxx:289
bool isBlack() const
return true if the color is black
Definition: libmwaw_internal.hxx:284
float m_shadowOpacity
true if the shadow has some color
Definition: MWAWGraphicStyle.hxx:432
Pattern()
constructor
Definition: MWAWGraphicStyle.hxx:182
static MWAWColor white()
return the white color
Definition: libmwaw_internal.hxx:250
MWAWGraphicStyle()
constructor
Definition: MWAWGraphicStyle.hxx:273
Arrow()
constructor ( no arrow)
Definition: MWAWGraphicStyle.hxx:60
Definition: MWAWGraphicStyle.hxx:55
bool operator==(Arrow const &arrow) const
operator==
Definition: MWAWGraphicStyle.hxx:91
Pattern(MWAWVec2i dim, MWAWEmbeddedObject const &picture, MWAWColor const &avColor)
constructor from a binary data
Definition: MWAWGraphicStyle.hxx:192
Pattern & operator=(Pattern const &)=default
MWAWVec2f m_gradientPercentCenter
the gradient center
Definition: MWAWGraphicStyle.hxx:448
MWAWEmbeddedObject m_picture
a picture
Definition: MWAWGraphicStyle.hxx:268
bool operator<=(Arrow const &arrow) const
operator<=
Definition: MWAWGraphicStyle.hxx:108
static Arrow plain()
returns a basic plain arrow
Definition: MWAWGraphicStyle.hxx:76
void setPattern(Pattern const &pat, float opacity=1)
set the pattern
Definition: MWAWGraphicStyle.hxx:333
MWAWColor m_colors[2]
the two indexed colors
Definition: MWAWGraphicStyle.hxx:263
LineCap
an enum used to define the basic line cap
Definition: MWAWGraphicStyle.hxx:51
bool hasSameBorders() const
return true if the frame has some border
Definition: MWAWGraphicStyle.hxx:381
LineJoin m_lineJoin
the line join
Definition: MWAWGraphicStyle.hxx:419
Arrow m_arrows[2]
the two arrows corresponding to start and end extremity
Definition: MWAWGraphicStyle.hxx:470
MWAWColor m_lineColor
the line color
Definition: MWAWGraphicStyle.hxx:423
bool hasShadow() const
returns true if the shadow is defined
Definition: MWAWGraphicStyle.hxx:371
std::vector< MWAWBorder > const & borders() const
return the frame border: libmwaw::Left | ...
Definition: MWAWGraphicStyle.hxx:392
static MWAWColor black()
return the back color
Definition: libmwaw_internal.hxx:245
float m_gradientRadius
the gradient radius
Definition: MWAWGraphicStyle.hxx:450
a structure used to define a picture style
Definition: MWAWGraphicStyle.hxx:47
Definition: MWAWGraphicStyle.hxx:51
GradientType
an enum used to define the gradient type
Definition: MWAWGraphicStyle.hxx:55
bool m_isCentered
flag to know if the arrow is centered
Definition: MWAWGraphicStyle.hxx:137
bool hasBackgroundColor() const
returns true if the background is defined
Definition: MWAWGraphicStyle.hxx:360
Definition: MWAWGraphicStyle.hxx:55
MWAWVec2< int > MWAWVec2i
MWAWVec2 of int.
Definition: libmwaw_internal.hxx:836
MWAWBox2< int > MWAWBox2i
MWAWBox2 of int.
Definition: libmwaw_internal.hxx:1189
bool hasGradient(bool complex=false) const
returns true if the gradient is defined
Definition: MWAWGraphicStyle.hxx:344
bool operator<(Arrow const &arrow) const
operator<
Definition: MWAWGraphicStyle.hxx:102
MWAWGraphicStyle & operator=(MWAWGraphicStyle const &)=default
int cmp(MWAWVec2< T > const &p) const
a comparison function: which first compares x then y
Definition: libmwaw_internal.hxx:775
bool getBinary(MWAWEmbeddedObject &picture) const
tries to convert the picture in a binary data ( ppm)
Definition: MWAWGraphicStyle.cxx:128
friend std::ostream & operator<<(std::ostream &o, MWAWGraphicStyle const &st)
a print operator
Definition: MWAWGraphicStyle.cxx:502
the class to store a color
Definition: libmwaw_internal.hxx:192
bool operator>(Arrow const &arrow) const
operator>
Definition: MWAWGraphicStyle.hxx:113
Definition: MWAWGraphicStyle.hxx:51
float m_width
the arrow width in point
Definition: MWAWGraphicStyle.hxx:135
void addTo(librevenge::RVNGPropertyList &pList, bool only1d=false) const
add all the parameters to the propList excepted the frame parameter: the background and the borders
Definition: MWAWGraphicStyle.cxx:191
float m_rotate
the rotation
Definition: MWAWGraphicStyle.hxx:461
std::vector< float > m_lineDashWidth
the dash array: a sequence of (fullsize, emptysize)
Definition: MWAWGraphicStyle.hxx:413
friend std::ostream & operator<<(std::ostream &o, Arrow const &arrow)
operator<<
Definition: MWAWGraphicStyle.hxx:81
a structure used to define the gradient limit in MWAWGraphicStyle
Definition: MWAWGraphicStyle.hxx:141
bool operator>=(Arrow const &arrow) const
operator>=
Definition: MWAWGraphicStyle.hxx:118
a border
Definition: libmwaw_internal.hxx:333
bool hasSurface() const
returns true if the interior surface is defined
Definition: MWAWGraphicStyle.hxx:349
Definition: MWAWGraphicStyle.hxx:55
std::string m_extra
extra data
Definition: MWAWGraphicStyle.hxx:482
bool getUniqueColor(MWAWColor &col) const
check if the pattern has only one color; if so returns true...
Definition: MWAWGraphicStyle.cxx:86
void addFrameTo(librevenge::RVNGPropertyList &pList) const
add all the frame parameters to propList: the background and the borders
Definition: MWAWGraphicStyle.cxx:370
MWAWVec2f m_shadowOffset
the shadow offset
Definition: MWAWGraphicStyle.hxx:434
LineCap m_lineCap
the line cap
Definition: MWAWGraphicStyle.hxx:417
float m_surfaceOpacity
true if the surface has some color
Definition: MWAWGraphicStyle.hxx:427
bool empty() const
return true if we does not have a pattern
Definition: MWAWGraphicStyle.hxx:206
float m_gradientBorder
the gradient border opacity
Definition: MWAWGraphicStyle.hxx:446
GradientType m_gradientType
the gradient type
Definition: MWAWGraphicStyle.hxx:436
MWAWColor m_backgroundColor
the background color
Definition: MWAWGraphicStyle.hxx:457
Definition: MWAWGraphicStyle.hxx:53
float m_gradientAngle
the gradient angle
Definition: MWAWGraphicStyle.hxx:444
Pattern m_pattern
the pattern if it exists
Definition: MWAWGraphicStyle.hxx:439
bool hasBorders() const
return true if the frame has some border
Definition: MWAWGraphicStyle.hxx:376
Definition: MWAWGraphicStyle.hxx:53
void setSurfaceColor(MWAWColor const &col, float opacity=1)
set the surface color
Definition: MWAWGraphicStyle.hxx:322
Definition: MWAWGraphicStyle.hxx:51
int cmp(Pattern const &a) const
compare two patterns
Definition: MWAWGraphicStyle.hxx:221
bool m_fillRuleEvenOdd
true if the fill rule is evenod
Definition: MWAWGraphicStyle.hxx:480
small class use to define a embedded object
Definition: libmwaw_internal.hxx:467
Definition: MWAWGraphicStyle.hxx:55
a structure used to define an arrow
Definition: MWAWGraphicStyle.hxx:58
bool operator!=(Arrow const &arrow) const
operator!=
Definition: MWAWGraphicStyle.hxx:97
Definition: MWAWGraphicStyle.hxx:55
bool hasLine() const
returns true if the border is defined
Definition: MWAWGraphicStyle.hxx:317
MWAWColor m_color
the color
Definition: MWAWGraphicStyle.hxx:172
bool hasSurfaceColor() const
returns true if the surface is defined
Definition: MWAWGraphicStyle.hxx:328
bool getAverageColor(MWAWColor &col) const
return the average color
Definition: MWAWGraphicStyle.cxx:101
Definition: MWAWGraphicStyle.hxx:55
std::vector< MWAWBorder > m_bordersList
the borders MWAWBorder::Pos (for a frame)
Definition: MWAWGraphicStyle.hxx:463
LineJoin
an enum used to define the basic line join
Definition: MWAWGraphicStyle.hxx:53
bool isEmpty() const
return true if the picture contains no data
Definition: libmwaw_internal.hxx:485
void setShadowColor(MWAWColor const &col, float opacity=1)
set the shadow color
Definition: MWAWGraphicStyle.hxx:365
virtual ~MWAWGraphicStyle()
virtual destructor
Definition: MWAWGraphicStyle.cxx:168
float m_lineOpacity
the line opacity: 0=transparent
Definition: MWAWGraphicStyle.hxx:421
MWAWColor m_pictureAverageColor
the picture average color
Definition: MWAWGraphicStyle.hxx:270
void setBackgroundColor(MWAWColor const &col, float opacity=1)
set the background color
Definition: MWAWGraphicStyle.hxx:354
float m_lineWidth
the linewidth
Definition: MWAWGraphicStyle.hxx:415
friend std::ostream & operator<<(std::ostream &o, Pattern const &pat)
a print operator
Definition: MWAWGraphicStyle.hxx:242
bool isEmpty() const
returns true if there is no arrow
Definition: MWAWGraphicStyle.hxx:123
Arrow(float w, MWAWBox2i const &box, std::string const &path, bool centered=false)
constructor
Definition: MWAWGraphicStyle.hxx:68
std::vector< unsigned char > m_data
the pattern data: a sequence of data: p[0..7,0],p[8..15,0]...p[0..7,1],p[8..15,1],...
Definition: MWAWGraphicStyle.hxx:265
GradientStop(float offset=0.0, MWAWColor const &col=MWAWColor::black(), float opacity=1.0)
constructor
Definition: MWAWGraphicStyle.hxx:143
int cmp(GradientStop const &a) const
compare two gradient
Definition: MWAWGraphicStyle.hxx:150
a basic pattern used in a MWAWGraphicStyle:
Definition: MWAWGraphicStyle.hxx:180
bool hasPattern() const
returns true if the pattern is defined
Definition: MWAWGraphicStyle.hxx:339
float m_offset
the offset
Definition: MWAWGraphicStyle.hxx:170
void setBorders(int wh, MWAWBorder const &border)
sets the cell border: wh=libmwaw::LeftBit|...
Definition: MWAWGraphicStyle.cxx:172
Definition: MWAWGraphicStyle.hxx:55
std::vector< GradientStop > m_gradientStopList
the list of gradient limits
Definition: MWAWGraphicStyle.hxx:442
std::string m_path
the arrow path
Definition: MWAWGraphicStyle.hxx:133
static MWAWGraphicStyle emptyStyle()
returns an empty style.
Definition: MWAWGraphicStyle.hxx:308
void resetBorders()
reset the border
Definition: MWAWGraphicStyle.hxx:397

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