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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_UNITS_H
#define RS_UNITS_H
#include "rs.h"
#include "rs_vector.h"
/**
* Conversion methods for units
*
* @author Andrew Mustun
*/
class RS_Units {
public:
//static char* unit2sign(RS2::Unit unit);
//static RS2::Unit string2unit(const char* str, bool* ok=0);
//static char* unit2string(RS2::Unit unit);
static RS2::Unit dxfint2unit(int dxfint);
static QString unitToString(RS2::Unit u, bool t = true);
static RS2::Unit stringToUnit(const QString& u);
static bool isMetric(RS2::Unit u);
static double getFactorToMM(RS2::Unit u);
static double convert(double val, RS2::Unit src, RS2::Unit dest);
static RS_Vector convert(const RS_Vector val, RS2::Unit src, RS2::Unit dest);
static QString unitToSign(RS2::Unit u);
static QString formatLinear(double length, RS2::Unit unit,
RS2::LinearFormat format,
int prec, bool showUnit=false);
static QString formatScientific(double length, RS2::Unit unit,
int prec, bool showUnit=false);
static QString formatDecimal(double length, RS2::Unit unit,
int prec, bool showUnit=false);
static QString formatEngineering(double length, RS2::Unit unit,
int prec, bool showUnit=false);
static QString formatArchitectural(double length, RS2::Unit unit,
int prec, bool showUnit=false);
static QString formatFractional(double length, RS2::Unit unit,
int prec, bool showUnit=false);
static QString formatAngle(double angle, RS2::AngleFormat format,
int prec);
static RS2::AngleFormat numberToAngleFormat(int num);
static RS_Vector paperFormatToSize(RS2::PaperFormat p);
static RS2::PaperFormat paperSizeToFormat(const RS_Vector s);
static QString paperFormatToString(RS2::PaperFormat p);
static RS2::PaperFormat stringToPaperFormat(const QString& p);
static void test();
static double dpiToScale(double dpi, RS2::Unit unit);
static double scaleToDpi(double scale, RS2::Unit unit);
};
#endif
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