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SbVec2f.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SBVEC2F_H
00021 #define COIN_SBVEC2F_H
00022 
00023 #include <stdio.h>
00024 
00025 #include <Inventor/SbBasic.h>
00026 
00027 class COIN_DLL_API SbVec2f {
00028 public:
00029   SbVec2f(void);
00030   SbVec2f(const float v[2]);
00031   SbVec2f(const float x, const float y);
00032   float dot(const SbVec2f & v) const;
00033   SbBool equals(const SbVec2f & v, const float tolerance) const;
00034   const float * getValue(void) const;
00035   void getValue(float & x, float & y) const;
00036   float length(void) const;
00037   void negate(void);
00038   float normalize(void);
00039   SbVec2f & setValue(const float v[2]);
00040   SbVec2f & setValue(const float x, const float y);
00041   float & operator [] (const int i);
00042   const float & operator [] (const int i) const;
00043   SbVec2f & operator *= (const float d);
00044   SbVec2f & operator /= (const float d);
00045   SbVec2f & operator += (const SbVec2f & u);
00046   SbVec2f & operator -= (const SbVec2f & u);
00047   SbVec2f operator -(void) const;
00048 
00049   friend COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d);
00050   friend COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v);
00051   friend COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d);
00052   friend COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2);
00053   friend COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2);
00054   friend COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2);
00055   friend COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2);
00056 
00057   void print(FILE * fp) const;
00058 
00059 private:
00060   float vec[2];
00061 };
00062 
00063 COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d);
00064 COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v);
00065 COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d);
00066 COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2);
00067 COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2);
00068 COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2);
00069 COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2);
00070 
00071 
00072 // *************************************************************************
00073 
00074 //$ IMPORT INLINE ../../src/SbVec2f.cpp
00075 
00076 // *************************************************************************
00077 
00078 #endif // !COIN_SBVEC2F_H

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