X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Fdistance.h;fp=synfig-core%2Fsrc%2Fsynfig%2Fdistance.h;h=7e686f4be6f5f72918fb1ede77a86671f83b9ced;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/synfig-core/src/synfig/distance.h b/synfig-core/src/synfig/distance.h
new file mode 100644
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+++ b/synfig-core/src/synfig/distance.h
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+/* === S Y N F I G ========================================================= */
+/*!	\file distance.h
+**	\brief Template Header
+**
+**	$Id$
+**
+**	\legal
+**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+**	This package 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 2 of
+**	the License, or (at your option) any later version.
+**
+**	This package 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.
+**	\endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SYNFIG_DISTANCE_H
+#define __SYNFIG_DISTANCE_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "real.h"
+#include "string.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace synfig {
+
+class RendDesc;
+
+class Distance
+{
+public:
+	typedef Real value_type;
+
+	enum System
+	{
+		SYSTEM_UNITS,		//!<
+		SYSTEM_PIXELS,		//!<
+
+		SYSTEM_POINTS,		//!<
+		SYSTEM_INCHES,		//!<
+		SYSTEM_METERS,		//!<
+		SYSTEM_MILLIMETERS,	//!<
+		SYSTEM_CENTIMETERS,	//!<
+
+		SYSTEM_END			//!< \internal
+	};
+
+	class BadSystem { };
+
+private:
+	value_type value_;
+
+	System system_;
+
+
+public:
+
+	Distance(){ }
+	Distance(const value_type& value, System system):value_(value),system_(system) { }
+	explicit Distance(const synfig::String& string);
+
+	operator Real()const { return value_; }
+
+	Distance& operator=(const Real& rhs) { value_=rhs; return *this; }
+
+	Distance& operator=(const synfig::String& rhs);
+
+	synfig::String get_string(int digits=4)const;
+
+	const System& get_system()const { return system_; }
+
+	const Real& get()const { return value_; }
+
+	Real get(System system, const RendDesc& rend_desc)const;
+
+	void convert(System system, const RendDesc& rend_desc);
+
+	Real meters()const;
+	Real meters(const RendDesc& rend_desc)const;
+	Real units(const RendDesc& rend_desc)const;
+
+	static Real meters_to_system(Real x, System target_system);
+	static System ident_system(const synfig::String& str);
+	static synfig::String system_name(System system);
+	static synfig::String system_local_name(System system);
+
+	const Distance& operator+=(const Distance &rhs) { value_+=meters_to_system(rhs.meters(),system_); return *this; }
+	const Distance& operator-=(const Distance &rhs) { value_-=meters_to_system(rhs.meters(),system_); return *this; }
+
+	const Distance& operator+=(const float &rhs) { value_+=rhs; return *this; }
+	const Distance& operator-=(const float &rhs) { value_-=rhs; return *this; }
+	const Distance& operator*=(const float &rhs) { value_*=rhs; return *this; }
+	const Distance& operator/=(const float &rhs) { value_/=rhs; return *this; }
+
+/*
+	template<typename U> const Time& operator+=(const U &rhs) { value_+=rhs; return *this; }
+	template<typename U> const Time& operator-=(const U &rhs) { value_-=rhs; return *this; }
+	template<typename U> const Time& operator*=(const U &rhs) { value_*=rhs; return *this; }
+	template<typename U> const Time& operator/=(const U &rhs) { value_/=rhs; return *this; }
+
+	template<typename U> Time operator+(const U &rhs)const { return value_+rhs; }
+	template<typename U> Time operator-(const U &rhs)const { return value_-rhs; }
+	template<typename U> Time operator*(const U &rhs)const { return value_*rhs; }
+	template<typename U> Time operator/(const U &rhs)const { return value_/rhs; }
+
+	Time operator-()const { return -value_; }
+*/
+}; // END of class Distance
+
+}; // END of namespace synfig
+
+/* === E N D =============================================================== */
+
+#endif