1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* This file is part of the KDE project
Copyright (C) 1998, 1999 Reginald Stadlbauer <[email protected]>, Torben Weis <[email protected]>
Copyright (C) 2004, Nicolas GOUTTE <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef kounit_h
#define kounit_h
#include <tqstring.h>
#include <tqstringlist.h>
#include <math.h> // for floor
#include <koffice_export.h>
class KoXmlWriter;
class TQDomElement;
// 1 inch ^= 72 pt
// 1 inch ^= 25.399956 mm (-pedantic ;p)
// 1 pt = 1/12 pi
// 1 pt ^= 0.0077880997 cc
// 1 cc = 12 dd
// Note: I don't use division but multiplication with the inverse value
// because it's faster ;p (Werner)
#define POINT_TO_MM(px) ((px)*0.352777167)
#define MM_TO_POINT(mm) ((mm)*2.83465058)
#define POINT_TO_CM(px) ((px)*0.0352777167)
#define CM_TO_POINT(cm) ((cm)*28.3465058)
#define POINT_TO_DM(px) ((px)*0.00352777167)
#define DM_TO_POINT(dm) ((dm)*283.465058)
#define POINT_TO_INCH(px) ((px)*0.01388888888889)
#define INCH_TO_POINT(inch) ((inch)*72.0)
#define MM_TO_INCH(mm) ((mm)*0.039370147)
#define INCH_TO_MM(inch) ((inch)*25.399956)
#define POINT_TO_PI(px)((px)*0.083333333)
#define POINT_TO_DD(px)((px)*0.006490083)
#define POINT_TO_CC(px)((px)*0.077880997)
#define PI_TO_POINT(pi)((pi)*12)
#define DD_TO_POINT(dd)((dd)*154.08124)
#define CC_TO_POINT(cc)((cc)*12.840103)
/**
* %KOffice stores everything in pt (using "double") internally.
* When displaying a value to the user, the value is converted to the user's unit
* of choice, and rounded to a reasonable precision to avoid 0.999999
*/
class KOFFICECORE_EXPORT KoUnit
{
public:
/** Length units supported by KOffice. */
enum Unit {
U_MM = 0,
U_PT = 1,
U_INCH = 2,
U_CM = 3,
U_DM = 4,
U_PI = 5, // pica
U_DD = 6, // didot
U_CC = 7, // cicero
U_LASTUNIT = U_CC // update when adding a new unit
// when adding a new unit, make sure to implement support for it in koRuler too
};
/// Prepare ptValue to be displayed in pt
static double toPoint( double ptValue ) {
// No conversion, only rounding (to 0.001 precision)
return floor( ptValue * 1000.0 ) / 1000.0;
}
/// Prepare ptValue to be displayed in mm
static double toMM( double ptValue ) {
// "mm" values are rounded to 0.0001 millimeters
return floor( POINT_TO_MM( ptValue ) * 10000.0 ) / 10000.0;
}
/// Prepare ptValue to be displayed in cm
static double toCM( double ptValue ) {
return floor( POINT_TO_CM( ptValue ) * 10000.0 ) / 10000.0;
}
/// Prepare ptValue to be displayed in dm
static double toDM( double ptValue ) {
return floor( POINT_TO_DM( ptValue ) * 10000.0 ) / 10000.0;
}
/// Prepare ptValue to be displayed in inch
static double toInch( double ptValue ) {
// "in" values are rounded to 0.00001 inches
return floor( POINT_TO_INCH( ptValue ) * 100000.0 ) / 100000.0;
}
/// Prepare ptValue to be displayed in pica
static double toPI( double ptValue ) {
// "pi" values are rounded to 0.00001 inches
return floor( POINT_TO_PI( ptValue ) * 100000.0 ) / 100000.0;
}
/// Prepare ptValue to be displayed in didot
static double toDD( double ptValue ) {
// "dd" values are rounded to 0.00001 inches
return floor( POINT_TO_DD( ptValue ) * 100000.0 ) / 100000.0;
}
/// Prepare ptValue to be displayed in cicero
static double toCC( double ptValue ) {
// "cc" values are rounded to 0.00001 inches
return floor( POINT_TO_CC( ptValue ) * 100000.0 ) / 100000.0;
}
/**
* This method is the one to use to display a value in a dialog
* \return the value @p ptValue converted to @p unit and rounded, ready to be displayed
* Old name: ptToUnit
*/
static double toUserValue( double ptValue, Unit unit );
/**
* Convert the value @p ptValue to a given unit @p unit
* Unlike KoUnit::ptToUnit the return value remains unrounded, so that it can be used in complex calculation
* \return the converted value
* Old name: ptToUnitUnrounded
*/
static double ptToUnit( const double ptValue, const Unit unit );
/// This method is the one to use to display a value in a dialog
/// @return the value @p ptValue converted to @p unit and rounded, ready to be displayed
/// Old name: userValue
static TQString toUserStringValue( double ptValue, Unit unit );
/// This method is the one to use to read a value from a dialog
/// @return the value in @p unit, converted to points for internal use
/// Old name: ptFromUnit
static double fromUserValue( double value, Unit unit );
/// This method is the one to use to read a value from a dialog
/// @param value value entered by the user
/// @param unit unit type selected by the user
/// @param ok if set, the pointed bool is set to true if the value could be
/// converted to a double, and to false otherwise.
/// @return the value in @p unit, converted to points for internal use
static double fromUserValue( const TQString& value, Unit unit, bool* ok = 0 );
/// Convert a unit name into a Unit enum
/// @param _unitName name to convert
/// @param ok if set, it will be true if the unit was known, false if unknown
static Unit unit( const TQString &_unitName, bool* ok = 0 );
/// Get the name of a unit
static TQString unitName( Unit _unit );
/// Get the full (translated) description of a unit
static TQString unitDescription( Unit _unit );
static TQStringList listOfUnitName();
/// parse common %KOffice and OO values, like "10cm", "5mm" to pt
static double parseValue( TQString value, double defaultVal = 0.0 );
// Note: the above method doesn't take a const ref, since it modifies the arg.
#ifndef SIMPLE_KOLIBS
/// Save a unit in OASIS format
static void saveOasis(KoXmlWriter* settingsWriter, Unit _unit);
#endif
};
#endif
|
