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WPSPosition.h
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
2 /* libwps
3 * Version: MPL 2.0 / LGPLv2.1+
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 * Major Contributor(s):
10 * Copyright (C) 2009, 2011 Alonso Laurent (alonso@loria.fr)
11 * Copyright (C) 2006, 2007 Andrew Ziem
12 * Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
13 * Copyright (C) 2004 Marc Maurer (uwog@uwog.net)
14 * Copyright (C) 2003-2005 William Lachance (william.lachance@sympatico.ca)
15 *
16 * For minor contributions see the git repository.
17 *
18 * Alternatively, the contents of this file may be used under the terms
19 * of the GNU Lesser General Public License Version 2.1 or later
20 * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
21 * applicable instead of those above.
22 *
23 * For further information visit http://libwps.sourceforge.net
24 */
25
26 #ifndef WPS_POSITION_H
27 #define WPS_POSITION_H
28
29 #include <ostream>
30
31 #include <librevenge/librevenge.h>
32
33 #include "libwps_internal.h"
34
39 class WPSPosition
40 {
41 public:
43 enum AnchorTo { Char, CharBaseLine, Paragraph, ParagraphContent, Page, PageContent };
45 enum Wrapping { WNone, WDynamic, WRunThrough }; // Add something for background ?
47 enum XPos { XRight, XLeft, XCenter, XFull };
49 enum YPos { YTop, YBottom, YCenter, YFull };
50
51 public:
53 WPSPosition(Vec2f const &orig=Vec2f(), Vec2f const &sz=Vec2f(), librevenge::RVNGUnit unt=librevenge::RVNG_INCH):
54 m_anchorTo(Char), m_xPos(XLeft), m_yPos(YTop), m_wrapping(WNone),
55 m_page(0), m_orig(orig), m_size(sz), m_naturalSize(), m_unit(unt), m_order(0) {}
56
57 virtual ~WPSPosition() {}
59 friend std::ostream &operator<<(std::ostream &o, WPSPosition const &pos)
60 {
61 Vec2f dest(pos.m_orig+pos.m_size);
62 o << "Pos=" << pos.m_orig << "x" << dest;
63 switch (pos.m_unit)
64 {
65 case librevenge::RVNG_INCH:
66 o << "(inch)";
67 break;
68 case librevenge::RVNG_POINT:
69 o << "(pt)";
70 break;
71 case librevenge::RVNG_TWIP:
72 o << "(tw)";
73 break;
74 case librevenge::RVNG_PERCENT:
75 case librevenge::RVNG_GENERIC:
76 case librevenge::RVNG_UNIT_ERROR:
77 default:
78 break;
79 }
80 if (pos.page()>0) o << ", page=" << pos.page();
81 return o;
82 }
84 bool operator==(WPSPosition const &f) const
85 {
86 return cmp(f) == 0;
87 }
89 bool operator!=(WPSPosition const &f) const
90 {
91 return cmp(f) != 0;
92 }
94 bool operator<(WPSPosition const &f) const
95 {
96 return cmp(f) < 0;
97 }
98
100 int page() const
101 {
102 return m_page;
103 }
105 Vec2f const &origin() const
106 {
107 return m_orig;
108 }
110 Vec2f const &size() const
111 {
112 return m_size;
113 }
115 Vec2f const &naturalSize() const
116 {
117 return m_naturalSize;
118 }
120 librevenge::RVNGUnit unit() const
121 {
122 return m_unit;
123 }
125 static float getScaleFactor(librevenge::RVNGUnit orig, librevenge::RVNGUnit dest)
126 {
127 float actSc = 1.0, newSc = 1.0;
128 switch (orig)
129 {
130 case librevenge::RVNG_TWIP:
131 break;
132 case librevenge::RVNG_POINT:
133 actSc=20;
134 break;
135 case librevenge::RVNG_INCH:
136 actSc = 1440;
137 break;
138 case librevenge::RVNG_PERCENT:
139 case librevenge::RVNG_GENERIC:
140 case librevenge::RVNG_UNIT_ERROR:
141 default:
142 WPS_DEBUG_MSG(("WPSPosition::getScaleFactor %d unit must not appear\n", int(orig)));
143 }
144 switch (dest)
145 {
146 case librevenge::RVNG_TWIP:
147 break;
148 case librevenge::RVNG_POINT:
149 newSc=20;
150 break;
151 case librevenge::RVNG_INCH:
152 newSc = 1440;
153 break;
154 case librevenge::RVNG_PERCENT:
155 case librevenge::RVNG_GENERIC:
156 case librevenge::RVNG_UNIT_ERROR:
157 default:
158 WPS_DEBUG_MSG(("WPSPosition::getScaleFactor %d unit must not appear\n", int(dest)));
159 }
160 return actSc/newSc;
161 }
163 float getInvUnitScale(librevenge::RVNGUnit unt) const
164 {
165 return getScaleFactor(unt, m_unit);
166 }
167
169 void setPage(int pg) const
170 {
171 const_cast<WPSPosition *>(this)->m_page = pg;
172 }
174 void setOrigin(Vec2f const &orig)
175 {
176 m_orig = orig;
177 }
179 void setSize(Vec2f const &sz)
180 {
181 m_size = sz;
182 }
184 void setNaturalSize(Vec2f const &natSize)
185 {
186 m_naturalSize = natSize;
187 }
189 void setUnit(librevenge::RVNGUnit unt)
190 {
191 m_unit = unt;
192 }
194 void setPagePos(int pg, Vec2f const &newOrig) const
195 {
196 const_cast<WPSPosition *>(this)->m_page = pg;
197 const_cast<WPSPosition *>(this)->m_orig = newOrig;
198 }
199
201 void setRelativePosition(AnchorTo anchor, XPos X = XLeft, YPos Y=YTop)
202 {
203 m_anchorTo = anchor;
204 m_xPos = X;
205 m_yPos = Y;
206 }
207
209 int order() const
210 {
211 return m_order;
212 }
214 void setOrder(int ord) const
215 {
216 m_order = ord;
217 }
218
220 AnchorTo m_anchorTo;
222 XPos m_xPos;
224 YPos m_yPos;
226 Wrapping m_wrapping;
227
228 protected:
230 int cmp(WPSPosition const &f) const
231 {
232 int diff = int(m_anchorTo) - int(f.m_anchorTo);
233 if (diff) return diff < 0 ? -1 : 1;
234 diff = int(m_xPos) - int(f.m_xPos);
235 if (diff) return diff < 0 ? -1 : 1;
236 diff = int(m_yPos) - int(f.m_yPos);
237 if (diff) return diff < 0 ? -1 : 1;
238 diff = page() - f.page();
239 if (diff) return diff < 0 ? -1 : 1;
240 diff = int(m_unit) - int(f.m_unit);
241 if (diff) return diff < 0 ? -1 : 1;
242 diff = m_orig.cmpY(f.m_orig);
243 if (diff) return diff;
244 diff = m_size.cmpY(f.m_size);
245 if (diff) return diff;
246 diff = m_naturalSize.cmpY(f.m_naturalSize);
247 if (diff) return diff;
248
249 return 0;
250 }
251
253 int m_page;
254 Vec2f m_orig , m_size /* the size of the data*/, m_naturalSize ;
256 librevenge::RVNGUnit m_unit;
258 mutable int m_order;
259 };
260
261 #endif
262 /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */
WPSPosition::m_naturalSize
Vec2f m_naturalSize
the natural size of the data (if known)
Definition: WPSPosition.h:254
WPSPosition::setPage
void setPage(int pg) const
sets the page
Definition: WPSPosition.h:169
WPSPosition::YPos
YPos
an enum used to define the relative Y position
Definition: WPSPosition.h:49
WPSPosition::operator==
bool operator==(WPSPosition const &f) const
basic operator==
Definition: WPSPosition.h:84
Vec2f
Vec2< float > Vec2f
Vec2 of float.
Definition: libwps_internal.h:714
WPSPosition::~WPSPosition
virtual ~WPSPosition()
Definition: WPSPosition.h:57
WPSPosition::XRight
Definition: WPSPosition.h:47
WPSPosition::page
int page() const
returns the frame page
Definition: WPSPosition.h:100
WPSPosition::cmp
int cmp(WPSPosition const &f) const
basic function to compare two positions
Definition: WPSPosition.h:230
WPSPosition::operator!=
bool operator!=(WPSPosition const &f) const
basic operator!=
Definition: WPSPosition.h:89
WPSPosition::YBottom
Definition: WPSPosition.h:49
WPSPosition::Char
Definition: WPSPosition.h:43
WPSPosition::ParagraphContent
Definition: WPSPosition.h:43
WPSPosition::unit
librevenge::RVNGUnit unit() const
returns the unit
Definition: WPSPosition.h:120
WPSPosition::setRelativePosition
void setRelativePosition(AnchorTo anchor, XPos X=XLeft, YPos Y=YTop)
sets the relative position
Definition: WPSPosition.h:201
WPSPosition::setSize
void setSize(Vec2f const &sz)
sets the frame size
Definition: WPSPosition.h:179
WPSPosition::m_order
int m_order
background/foward order
Definition: WPSPosition.h:258
WPSPosition::WNone
Definition: WPSPosition.h:45
WPSPosition::operator<<
friend std::ostream & operator<<(std::ostream &o, WPSPosition const &pos)
operator<<
Definition: WPSPosition.h:59
WPSPosition::WDynamic
Definition: WPSPosition.h:45
WPSPosition::YTop
Definition: WPSPosition.h:49
WPSPosition::m_unit
librevenge::RVNGUnit m_unit
the unit used in orig and in m_size. Default: in inches
Definition: WPSPosition.h:256
WPSPosition::setNaturalSize
void setNaturalSize(Vec2f const &natSize)
sets the natural size (if known)
Definition: WPSPosition.h:184
WPSPosition::Wrapping
Wrapping
an enum used to define the wrapping
Definition: WPSPosition.h:45
WPSPosition::naturalSize
Vec2f const & naturalSize() const
returns the natural size (if known)
Definition: WPSPosition.h:115
WPSPosition::XLeft
Definition: WPSPosition.h:47
WPSPosition::getInvUnitScale
float getInvUnitScale(librevenge::RVNGUnit unt) const
returns a float which can be used to scale some data in object unit
Definition: WPSPosition.h:163
WPSPosition::m_anchorTo
AnchorTo m_anchorTo
anchor position
Definition: WPSPosition.h:220
WPSPosition::WRunThrough
Definition: WPSPosition.h:45
WPSPosition::m_wrapping
Wrapping m_wrapping
Wrapping.
Definition: WPSPosition.h:226
WPSPosition::XFull
Definition: WPSPosition.h:47
WPSPosition::PageContent
Definition: WPSPosition.h:43
libwps_internal.h
WPSPosition::YCenter
Definition: WPSPosition.h:49
WPSPosition::m_orig
Vec2f m_orig
the origin position in a page
Definition: WPSPosition.h:254
WPSPosition::setPagePos
void setPagePos(int pg, Vec2f const &newOrig) const
sets/resets the page and the origin
Definition: WPSPosition.h:194
WPSPosition::m_size
Vec2f m_size
Definition: WPSPosition.h:254
WPSPosition::m_yPos
YPos m_yPos
Y relative position.
Definition: WPSPosition.h:224
WPSPosition::Page
Definition: WPSPosition.h:43
Vec2::cmpY
int cmpY(Vec2< T > const &p) const
a comparison function: which first compares y then x
Definition: libwps_internal.h:666
WPSPosition::setUnit
void setUnit(librevenge::RVNGUnit unt)
sets the dimension unit
Definition: WPSPosition.h:189
WPS_DEBUG_MSG
#define WPS_DEBUG_MSG(M)
Definition: libwps_internal.h:130
WPSPosition::XPos
XPos
an enum used to define the relative X position
Definition: WPSPosition.h:47
WPSPosition::operator<
bool operator<(WPSPosition const &f) const
basic operator<
Definition: WPSPosition.h:94
WPSPosition::setOrigin
void setOrigin(Vec2f const &orig)
sets the frame origin
Definition: WPSPosition.h:174
WPSPosition::WPSPosition
WPSPosition(Vec2f const &orig=Vec2f(), Vec2f const &sz=Vec2f(), librevenge::RVNGUnit unt=librevenge::RVNG_INCH)
constructor
Definition: WPSPosition.h:53
WPSPosition::CharBaseLine
Definition: WPSPosition.h:43
WPSPosition::YFull
Definition: WPSPosition.h:49
WPSPosition::origin
Vec2f const & origin() const
return the frame origin
Definition: WPSPosition.h:105
WPSPosition::m_xPos
XPos m_xPos
X relative position.
Definition: WPSPosition.h:222
WPSPosition::order
int order() const
returns background/foward order
Definition: WPSPosition.h:209
WPSPosition::XCenter
Definition: WPSPosition.h:47
WPSPosition::size
Vec2f const & size() const
returns the frame size
Definition: WPSPosition.h:110
Vec2< float >
WPSPosition
Class to define the position of an object (textbox, picture, ..) in the document. ...
Definition: WPSPosition.h:39
WPSPosition::setOrder
void setOrder(int ord) const
set background/foward order
Definition: WPSPosition.h:214
WPSPosition::getScaleFactor
static float getScaleFactor(librevenge::RVNGUnit orig, librevenge::RVNGUnit dest)
returns a float which can be used to convert between to unit
Definition: WPSPosition.h:125
WPSPosition::m_page
int m_page
the page
Definition: WPSPosition.h:253
WPSPosition::Paragraph
Definition: WPSPosition.h:43
WPSPosition::AnchorTo
AnchorTo
a list of enum used to defined the anchor
Definition: WPSPosition.h:43