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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "oox/xls/unitconverter.hxx"
#include <rtl/math.hxx>
#include <com/sun/star/awt/FontDescriptor.hpp>
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/awt/DeviceInfo.hpp>
#include <com/sun/star/awt/XFont.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include "oox/core/filterbase.hxx"
#include "oox/xls/stylesbuffer.hxx"
using ::rtl::OUString;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::awt::FontDescriptor;
using ::com::sun::star::awt::XDevice;
using ::com::sun::star::awt::DeviceInfo;
using ::com::sun::star::awt::XFont;
using ::com::sun::star::util::Date;
using ::com::sun::star::util::DateTime;
namespace oox {
namespace xls {
// ============================================================================
namespace {
const double MM100_PER_INCH = 2540.0;
const double MM100_PER_POINT = MM100_PER_INCH / 72.0;
const double MM100_PER_TWIP = MM100_PER_POINT / 20.0;
const double MM100_PER_EMU = 1.0 / 360.0;
// ----------------------------------------------------------------------------
/** Returns true, if the passed year is a leap year. */
inline sal_Int32 lclIsLeapYear( sal_Int32 nYear )
{
return ((nYear % 4) == 0) && (((nYear % 100) != 0) || ((nYear % 400) == 0));
}
void lclSkipYearBlock( sal_Int32& ornDays, sal_uInt16& ornYear, sal_Int32 nDaysInBlock, sal_Int32 nYearsPerBlock, sal_Int32 nMaxBlocks )
{
sal_Int32 nBlocks = ::std::min< sal_Int32 >( ornDays / nDaysInBlock, nMaxBlocks );
ornYear = static_cast< sal_uInt16 >( ornYear + nYearsPerBlock * nBlocks );
ornDays -= nBlocks * nDaysInBlock;
}
/** Returns the number of days before the passed date, starting from the null
date 0000-Jan-01, using standard leap year conventions. */
sal_Int32 lclGetDays( const Date& rDate )
{
// number of days in all full years before passed date including all leap days
sal_Int32 nDays = rDate.Year * 365 + ((rDate.Year + 3) / 4) - ((rDate.Year + 99) / 100) + ((rDate.Year + 399) / 400);
OSL_ENSURE( (1 <= rDate.Month) && (rDate.Month <= 12), "lclGetDays - invalid month" );
OSL_ENSURE( (1 <= rDate.Day) && (rDate.Day <= 31), "lclGetDays - invalid day" ); // yes, this is weak...
if( (1 <= rDate.Month) && (rDate.Month <= 12) )
{
// number of days at start of month jan feb mar apr may jun jul aug sep oct nov dec
static const sal_Int32 spnCumDays[] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
// add number of days in full months before passed date
nDays += spnCumDays[ rDate.Month - 1 ];
// add number of days from passed date (this adds one day too much)
nDays += rDate.Day;
/* Remove the one day added too much if there is no leap day before
the passed day in the passed year. This means: remove the day, if
we are in january or february (leap day not reached if existing),
or if the passed year is not a leap year. */
if( (rDate.Month < 3) || !lclIsLeapYear( rDate.Year ) )
--nDays;
}
return nDays;
}
} // namespace
// ----------------------------------------------------------------------------
UnitConverter::UnitConverter( const WorkbookHelper& rHelper ) :
WorkbookHelper( rHelper ),
maCoeffs( UNIT_ENUM_SIZE, 1.0 ),
mnNullDate( lclGetDays( Date( 30, 12, 1899 ) ) )
{
// initialize constant and default coefficients
const DeviceInfo& rDeviceInfo = getBaseFilter().getGraphicHelper().getDeviceInfo();
maCoeffs[ UNIT_INCH ] = MM100_PER_INCH;
maCoeffs[ UNIT_POINT ] = MM100_PER_POINT;
maCoeffs[ UNIT_TWIP ] = MM100_PER_TWIP;
maCoeffs[ UNIT_EMU ] = MM100_PER_EMU;
maCoeffs[ UNIT_SCREENX ] = (rDeviceInfo.PixelPerMeterX > 0) ? (100000.0 / rDeviceInfo.PixelPerMeterX) : 50.0;
maCoeffs[ UNIT_SCREENY ] = (rDeviceInfo.PixelPerMeterY > 0) ? (100000.0 / rDeviceInfo.PixelPerMeterY) : 50.0;
maCoeffs[ UNIT_REFDEVX ] = 12.5; // default: 1 px = 0.125 mm
maCoeffs[ UNIT_REFDEVY ] = 12.5; // default: 1 px = 0.125 mm
maCoeffs[ UNIT_DIGIT ] = 200.0; // default: 1 digit = 2 mm
maCoeffs[ UNIT_SPACE ] = 100.0; // default 1 space = 1 mm
// error code maps
addErrorCode( BIFF_ERR_NULL, CREATE_OUSTRING( "#NULL!" ) );
addErrorCode( BIFF_ERR_DIV0, CREATE_OUSTRING( "#DIV/0!" ) );
addErrorCode( BIFF_ERR_VALUE, CREATE_OUSTRING( "#VALUE!" ) );
addErrorCode( BIFF_ERR_REF, CREATE_OUSTRING( "#REF!" ) );
addErrorCode( BIFF_ERR_NAME, CREATE_OUSTRING( "#NAME?" ) );
addErrorCode( BIFF_ERR_NUM, CREATE_OUSTRING( "#NUM!" ) );
addErrorCode( BIFF_ERR_NA, CREATE_OUSTRING( "#NA" ) );
}
void UnitConverter::finalizeImport()
{
Reference< XDevice > xDevice = getReferenceDevice();
if( xDevice.is() )
{
// get reference device metric first, needed to get character widths below
DeviceInfo aInfo = xDevice->getInfo();
maCoeffs[ UNIT_REFDEVX ] = 100000.0 / aInfo.PixelPerMeterX;
maCoeffs[ UNIT_REFDEVY ] = 100000.0 / aInfo.PixelPerMeterY;
// get character widths from default font
if( const Font* pDefFont = getStyles().getDefaultFont().get() )
{
// XDevice expects pixels in font descriptor, but font contains twips
FontDescriptor aDesc = pDefFont->getFontDescriptor();
aDesc.Height = static_cast< sal_Int16 >( scaleValue( aDesc.Height, UNIT_TWIP, UNIT_REFDEVX ) + 0.5 );
Reference< XFont > xFont = xDevice->getFont( aDesc );
if( xFont.is() )
{
// get maximum width of all digits
sal_Int32 nDigitWidth = 0;
for( sal_Unicode cChar = '0'; cChar <= '9'; ++cChar )
nDigitWidth = ::std::max( nDigitWidth, scaleToMm100( xFont->getCharWidth( cChar ), UNIT_REFDEVX ) );
if( nDigitWidth > 0 )
maCoeffs[ UNIT_DIGIT ] = nDigitWidth;
// get width of space character
sal_Int32 nSpaceWidth = scaleToMm100( xFont->getCharWidth( ' ' ), UNIT_REFDEVX );
if( nSpaceWidth > 0 )
maCoeffs[ UNIT_SPACE ] = nSpaceWidth;
}
}
}
}
void UnitConverter::finalizeNullDate( const Date& rNullDate )
{
// convert the nulldate to number of days since 0000-Jan-01
mnNullDate = lclGetDays( rNullDate );
}
// conversion -----------------------------------------------------------------
double UnitConverter::scaleValue( double fValue, Unit eFromUnit, Unit eToUnit ) const
{
return (eFromUnit == eToUnit) ? fValue : (fValue * getCoefficient( eFromUnit ) / getCoefficient( eToUnit ));
}
sal_Int32 UnitConverter::scaleToMm100( double fValue, Unit eUnit ) const
{
return static_cast< sal_Int32 >( fValue * getCoefficient( eUnit ) + 0.5 );
}
double UnitConverter::scaleFromMm100( sal_Int32 nMm100, Unit eUnit ) const
{
return static_cast< double >( nMm100 ) / getCoefficient( eUnit );
}
double UnitConverter::calcSerialFromDateTime( const DateTime& rDateTime ) const
{
sal_Int32 nDays = lclGetDays( Date( rDateTime.Day, rDateTime.Month, rDateTime.Year ) ) - mnNullDate;
OSL_ENSURE( nDays >= 0, "UnitConverter::calcDateTimeSerial - invalid date" );
OSL_ENSURE( (rDateTime.Hours <= 23) && (rDateTime.Minutes <= 59) && (rDateTime.Seconds <= 59), "UnitConverter::calcDateTimeSerial - invalid time" );
return nDays + rDateTime.Hours / 24.0 + rDateTime.Minutes / 1440.0 + rDateTime.Seconds / 86400.0;
}
DateTime UnitConverter::calcDateTimeFromSerial( double fSerial ) const
{
DateTime aDateTime( 0, 0, 0, 0, 1, 1, 0 );
double fDays = 0.0;
double fTime = modf( fSerial, &fDays );
// calculate date from number of days with O(1) complexity
sal_Int32 nDays = getLimitedValue< sal_Int32, double >( fDays + mnNullDate, 0, 3652424 );
// skip year 0, assumed to be a leap year. By starting at year 1, leap years can be handled easily
if( nDays >= 366 ) { ++aDateTime.Year; nDays -= 366; }
// skip full blocks of 400, 100, 4 years, and remaining full years
lclSkipYearBlock( nDays, aDateTime.Year, 400 * 365 + 97, 400, 24 );
lclSkipYearBlock( nDays, aDateTime.Year, 100 * 365 + 24, 100, 3 );
lclSkipYearBlock( nDays, aDateTime.Year, 4 * 365 + 1, 4, 24 );
lclSkipYearBlock( nDays, aDateTime.Year, 365, 1, 3 );
// skip full months of current year
static const sal_Int32 spnDaysInMonth[] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
if( (nDays >= 59) && !lclIsLeapYear( aDateTime.Year ) ) ++nDays;
const sal_Int32* pnDaysInMonth = spnDaysInMonth;
while( *pnDaysInMonth >= nDays ) { ++aDateTime.Month; nDays -= *pnDaysInMonth; ++pnDaysInMonth; }
aDateTime.Day = static_cast< sal_uInt16 >( nDays + 1 );
// calculate time from fractional part of serial
sal_Int32 nTime = getLimitedValue< sal_Int32, double >( fTime * 86400, 0, 86399 );
aDateTime.Seconds = static_cast< sal_uInt16 >( nTime % 60 );
nTime /= 60;
aDateTime.Minutes = static_cast< sal_uInt16 >( nTime % 60 );
aDateTime.Hours = static_cast< sal_uInt16 >( nTime / 60 );
return aDateTime;
}
OUString UnitConverter::calcOoxErrorCode( sal_uInt8 nErrorCode ) const
{
BiffErrorCodeMap::const_iterator aIt = maBiffErrCodes.find( nErrorCode );
return (aIt == maBiffErrCodes.end()) ? CREATE_OUSTRING( "#N/A" ) : aIt->second;
}
sal_uInt8 UnitConverter::calcBiffErrorCode( const OUString& rErrorCode ) const
{
OoxErrorCodeMap::const_iterator aIt = maOoxErrCodes.find( rErrorCode );
return (aIt == maOoxErrCodes.end()) ? BIFF_ERR_NA : aIt->second;
}
void UnitConverter::addErrorCode( sal_uInt8 nErrorCode, const OUString& rErrorCode )
{
maOoxErrCodes[ rErrorCode ] = nErrorCode;
maBiffErrCodes[ nErrorCode ] = rErrorCode;
}
double UnitConverter::getCoefficient( Unit eUnit ) const
{
OSL_ENSURE( static_cast< size_t >( eUnit ) < UNIT_ENUM_SIZE, "UnitConverter::getCoefficient - invalid unit" );
return maCoeffs[ static_cast< size_t >( eUnit ) ];
}
// ============================================================================
} // namespace xls
} // namespace oox
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
