Added unit-independent distance type.

2016-03-13 21:03:09 -04:00
parent 573369b6da
commit a6aa0d921f
74 changed files with 1452 additions and 996 deletions
@@ -0,0 +1,107 @@
+/*  Distance.h
+ *
+ *  Copyright (C) 2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef libglabels_Distance_h
+#define libglabels_Distance_h
+
+
+#include <QCoreApplication>
+#include <QString>
+#include "Constants.h"
+
+
+namespace libglabels
+{
+
+
+	class Distance
+	{
+		Q_DECLARE_TR_FUNCTIONS(Distance)
+
+	public:
+		enum class Units { PT, IN, MM, CM, PC };
+
+		static QString toId( Units units );
+		static QString toTrName( Units units );
+		static bool isIdValid( const QString& unitsId );
+		static Units toUnits( const QString& unitsId );
+		
+
+		Distance();
+		Distance( double d, Units units = Units::PT );
+		Distance( double d, const QString& unitsId );
+
+		static Distance pt( double dPts );
+		static Distance in( double dInches );
+		static Distance mm( double dMm );
+		static Distance cm( double dCm );
+		static Distance pc( double dPicas );
+		static Distance fromString( const QString& string );
+
+
+		double pt() const;
+		double in() const;
+		double mm() const;
+		double cm() const;
+		double pc() const;
+		double inUnits( Units units ) const;
+		double inUnits( const QString& unitsId ) const;
+
+
+		QString toString( Units units ) const;
+		QString toString( const QString& unitsId ) const;
+
+
+		Distance& operator+=( const Distance& d );
+		Distance& operator-=( const Distance& d );
+		Distance operator-();
+
+		friend inline Distance operator+( const Distance& d1, const Distance& d2 );
+		friend inline Distance operator-( const Distance& d1, const Distance& d2 );
+		friend inline Distance operator*( double x, const Distance& d );
+		friend inline Distance operator*( const Distance& d, double x );
+		friend inline double   operator/( const Distance& d1, const Distance& d2 );
+		friend inline Distance operator/( const Distance& d, double x );
+		
+		friend inline bool operator<( const Distance& d1, const Distance& d2 );
+		friend inline bool operator<=( const Distance& d1, const Distance& d2 );
+		friend inline bool operator>( const Distance& d1, const Distance& d2 );
+		friend inline bool operator>=( const Distance& d1, const Distance& d2 );
+		friend inline bool operator==( const Distance& d1, const Distance& d2 );
+		friend inline bool operator!=( const Distance& d1, const Distance& d2 );
+		
+		friend inline Distance fabs( const Distance& d );
+		friend inline Distance min( const Distance& d1, const Distance& d2 );
+		friend inline Distance max( const Distance& d1, const Distance& d2 );
+		friend inline Distance fmod( const Distance& d1, const Distance& d2 );
+
+		
+	private:
+		double mDPts;
+
+	};
+
+}
+
+
+#include "Distance.inl"
+
+
+#endif // libglabels_Distance_h