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/* This file is part of the KDE project
Copyright (C) 2001 David Faure <faure@kde.org>
Copyright (C) 2004, Nicolas GOUTTE <goutte@kde.org>
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.
*/
#include "KoUnit.h"
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>
#include <QRegExp>
QStringList KoUnit::listOfUnitName(bool hidePixel)
{
QStringList lst;
for (int i = KoUnit::Millimeter; i <= KoUnit::Pixel; ++i) {
Unit unit = static_cast<Unit>(i);
if ((i != Pixel) || (hidePixel == false))
lst.append(KoUnit::unitDescription(KoUnit(unit)));
}
return lst;
}
uint KoUnit::indexInList(bool hidePixel) const
{
if (hidePixel && m_unit > Pixel)
return m_unit -1;
else
return m_unit;
}
QString KoUnit::unitDescription(KoUnit _unit)
{
switch (_unit.m_unit) {
case KoUnit::Millimeter:
return i18n("Millimeters (mm)");
case KoUnit::Centimeter:
return i18n("Centimeters (cm)");
case KoUnit::Decimeter:
return i18n("Decimeters (dm)");
case KoUnit::Inch:
return i18n("Inches (in)");
case KoUnit::Pica:
return i18n("Pica (pi)");
case KoUnit::Cicero:
return i18n("Cicero (cc)");
case KoUnit::Point:
return i18n("Points (pt)");
case KoUnit::Pixel:
return i18n("Pixels (px)");
default:
return i18n("Error!");
}
}
qreal KoUnit::toUserValue(qreal ptValue) const
{
switch (m_unit) {
case Millimeter:
return toMillimeter(ptValue);
case Centimeter:
return toCentimeter(ptValue);
case Decimeter:
return toDecimeter(ptValue);
case Inch:
return toInch(ptValue);
case Pica:
return toPica(ptValue);
case Cicero:
return toCicero(ptValue);
case Pixel:
return floor(ptValue * m_pixelConversion + 0.5);
case Point:
default:
return toPoint(ptValue);
}
}
qreal KoUnit::ptToUnit(const qreal ptValue, const KoUnit &unit)
{
switch (unit.m_unit) {
case Millimeter:
return POINT_TO_MM(ptValue);
case Centimeter:
return POINT_TO_CM(ptValue);
case Decimeter:
return POINT_TO_DM(ptValue);
case Inch:
return POINT_TO_INCH(ptValue);
case Pica:
return POINT_TO_PI(ptValue);
case Cicero:
return POINT_TO_CC(ptValue);
case Pixel:
return ptValue * unit.m_pixelConversion;
case Point:
default:
return ptValue;
}
}
QString KoUnit::toUserStringValue(qreal ptValue) const
{
return KGlobal::locale()->formatNumber(toUserValue(ptValue));
}
qreal KoUnit::fromUserValue(qreal value) const
{
switch (m_unit) {
case Millimeter:
return MM_TO_POINT(value);
case Centimeter:
return CM_TO_POINT(value);
case Decimeter:
return DM_TO_POINT(value);
case Inch:
return INCH_TO_POINT(value);
case Pica:
return PI_TO_POINT(value);
case Cicero:
return CC_TO_POINT(value);
case Pixel:
return value / m_pixelConversion;
case Point:
default:
return value;
}
}
qreal KoUnit::fromUserValue(const QString &value, bool *ok) const
{
return fromUserValue(KGlobal::locale()->readNumber(value, ok));
}
qreal KoUnit::parseValue(const QString& _value, qreal defaultVal)
{
if (_value.isEmpty())
return defaultVal;
QString value(_value.simplified());
value.remove(' ');
int firstLetter = -1;
for (int i = 0; i < value.length(); ++i) {
if (value.at(i).isLetter()) {
if (value.at(i) == 'e')
continue;
firstLetter = i;
break;
}
}
if (firstLetter == -1)
return value.toDouble();
const QString unit = value.mid(firstLetter);
value.truncate(firstLetter);
const qreal val = value.toDouble();
if (unit == "pt")
return val;
bool ok;
KoUnit u = KoUnit::unit(unit, &ok);
if (ok)
return u.fromUserValue(val);
if (unit == "m")
return DM_TO_POINT(val * 10.0);
else if (unit == "km")
return DM_TO_POINT(val * 10000.0);
kWarning() << "KoUnit::parseValue: Unit " << unit << " is not supported, please report.";
// TODO : add support for mi/ft ?
return defaultVal;
}
KoUnit KoUnit::unit(const QString &_unitName, bool* ok)
{
if (ok)
*ok = true;
if (_unitName == QString::fromLatin1("mm")) return KoUnit(Millimeter);
if (_unitName == QString::fromLatin1("cm")) return KoUnit(Centimeter);
if (_unitName == QString::fromLatin1("dm")) return KoUnit(Decimeter);
if (_unitName == QString::fromLatin1("in")
|| _unitName == QString::fromLatin1("inch") /*compat*/) return KoUnit(Inch);
if (_unitName == QString::fromLatin1("pi")) return KoUnit(Pica);
if (_unitName == QString::fromLatin1("cc")) return KoUnit(Cicero);
if (_unitName == QString::fromLatin1("pt")) return KoUnit(Point);
if (_unitName == QString::fromLatin1("px")) return KoUnit(Pixel);
if (ok)
*ok = false;
return KoUnit(Point);
}
QString KoUnit::unitName(KoUnit _unit)
{
if (_unit.m_unit == Millimeter) return QString::fromLatin1("mm");
if (_unit.m_unit == Centimeter) return QString::fromLatin1("cm");
if (_unit.m_unit == Decimeter) return QString::fromLatin1("dm");
if (_unit.m_unit == Inch) return QString::fromLatin1("in");
if (_unit.m_unit == Pica) return QString::fromLatin1("pi");
if (_unit.m_unit == Cicero) return QString::fromLatin1("cc");
if (_unit.m_unit == Pixel) return QString::fromLatin1("px");
return QString::fromLatin1("pt");
}
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