205 lines
7.1 KiB
C
205 lines
7.1 KiB
C
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/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#ifndef __VCGLIB_TEXCOORD2__
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#define __VCGLIB_TEXCOORD2__
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#include <vcg/space/point2.h>
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namespace vcg {
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/** \addtogroup space */
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/*@{*/
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/**
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Templated class for a set of 2D texture coord. It for each is templated over two parameters:
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the type of the tex coord and the number of texcoord to be stored. This class is intended to be used when many textures
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id are shared over the same surface, so for each coord the id of the texture is stored. If no id is needed see the vcg::TexCoord2Simple class.
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*/
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template<class T = float, int NMAX = 1>
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class TexCoord2
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{
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public:
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typedef Point2<T> PointType;
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typedef T ScalarType;
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private:
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PointType _t[NMAX];
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short _n[NMAX];
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public:
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TexCoord2(T u, T v) { _t[0][0]=u; _t[0][1]=v; };
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TexCoord2() { };
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inline const PointType &P() const { return _t[0]; };
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inline PointType &P() { return _t[0]; };
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inline const PointType &P(const int i) const { assert(i>0 && i<NMAX); return _t[0]; };
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inline PointType &P(const int i) { assert(i>0 && i<NMAX); return _t[0]; };
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inline T & U() { return _t[0][0]; }
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inline T & V() { return _t[0][1]; }
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inline const T & U() const { return _t[0][0]; }
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inline const T & V() const { return _t[0][1]; }
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inline T & U(const int i) { assert(i>0 && i<NMAX); return _t[i][0]; }
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inline T & V(const int i) { assert(i>0 && i<NMAX); return _t[i][1]; }
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inline const T & U(const int i) const { assert(i>0 && i<NMAX); return _t[i][0]; }
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inline const T & V(const int i) const { assert(i>0 && i<NMAX); return _t[i][1]; }
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inline short & N() { return _n[0]; }
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inline const short N() const { return _n[0]; }
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inline short & N(const int i) { assert(i>0 && i<NMAX); return _n[i]; }
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inline const short N(const int i) const { assert(i>0 && i<NMAX); return _n[i]; }
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/* <OLD_METHODS> (lowercase ones). DEPRECATED. TO BE REMOVED SOON.*/
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/**/inline T & u() { return _t[0][0]; }
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/**/inline T & v() { return _t[0][1]; }
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/**/inline const T & u() const { return _t[0][0]; }
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/**/inline const T & v() const { return _t[0][1]; }
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/**/inline T & u(const int i) { return _t[i][0]; }
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/**/inline T & v(const int i) { return _t[i][1]; }
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/**/inline const T & u(const int i) const { return _t[i][0]; }
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/**/inline const T & v(const int i) const { return _t[i][1]; }
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/**/
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/**/inline short & n() { return _n[0]; }
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/**/inline const short n() const { return _n[0]; }
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/**/
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/**/inline short & n(const int i) { return _n[i]; }
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/**/inline const short n(const int i) const { return _n[i]; }
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/**/
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/**/inline Point2<T> & t(const int i) { return _t[i]; }
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/**/inline Point2<T> t(const int i) const { return _t[i]; }
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/**/
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/**/inline Point2<T> & t() { return _t[0]; }
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/**/inline Point2<T> t() const { return _t[0]; }
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/* </OLD_METHODS> */
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inline bool operator == ( TexCoord2 const & p ) const
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{
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for(int i=0;i<NMAX;++i)
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if(p._t[i] != _t[i] || p._n[i] != _n[i]) return false;
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return true;
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}
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inline bool operator != ( TexCoord2 const & p ) const
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{
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for(int i=0;i<NMAX;++i)
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if(p._t[i] != _t[i] || p._n[i] != _n[i]) return true;
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return false;
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}
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inline bool operator < ( TexCoord2 const & p ) const
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{
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for(int i=0;i<NMAX;++i)
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if(p._t[i] != _t[i]) return p._t[i] < _t[i];
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return false;
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}
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enum { n_coords=NMAX };
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};
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/**
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Templated class for a single 2D texture coord.
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*/
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template<class T = float >
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class TexCoord2Simple
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{
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public:
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typedef Point2<T> PointType;
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typedef T ScalarType;
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private:
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Point2<T> _t;
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inline short & static_n() const
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{
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static short _n = 0;
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return _n;
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}
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public:
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inline T & U() { return _t[0]; }
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inline T & V() { return _t[1]; }
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inline const T & U() const { return _t[0]; }
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inline const T & V() const { return _t[1]; }
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inline T & U(const int i) { assert(i==0); return _t[0]; }
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inline T & V(const int i) { assert(i==0); return _t[1]; }
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inline const T & U(const int i) const { assert(i==0); return _t[0]; }
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inline const T & V(const int i) const { assert(i==0); return _t[1]; }
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inline Point2<T> & P(const int i) { assert(i==0); return _t; }
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inline Point2<T> P(const int i) const { assert(i==0); return _t; }
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inline Point2<T> & P() { return _t; }
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inline Point2<T> P() const { return _t; }
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inline short & N() { assert(static_n()==0); return static_n(); }
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inline short N() const { assert(static_n()==0); return 0; }
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inline short & N(const int i) { assert(i==0); return static_n(); }
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inline short N(const int i) const { assert(i==0); return 0; }
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/* <OLD_METHODS> (lowercase ones). DEPRECATED. TO BE REMOVED SOON.*/
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inline T & u() { return _t[0]; }
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inline T & v() { return _t[1]; }
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inline const T & u() const { return _t[0]; }
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inline const T & v() const { return _t[1]; }
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inline T & u(const int i) { assert(i==0); return _t[0]; }
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inline T & v(const int i) { assert(i==0); return _t[1]; }
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inline const T & u(const int i) const { assert(i==0); return _t[0]; }
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inline const T & v(const int i) const { assert(i==0); return _t[1]; }
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inline Point2<T> & t(const int i) { assert(i==0); return _t; }
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inline Point2<T> t(const int i) const { assert(i==0); return _t; }
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inline Point2<T> & t() { return _t; }
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inline Point2<T> t() const { return _t; }
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inline short & n() { assert(static_n()==0); return static_n(); }
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inline short n() const { assert(static_n()==0); return 0; }
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inline short & n(const int i) { assert(i==0); return static_n(); }
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inline short n(const int i) const { assert(i==0); return 0; }
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/* </OLD_METHODS> */
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inline bool operator == ( TexCoord2Simple const & p ) const
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{
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return _t==p._t;
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}
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enum { n_coords=1};
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};
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/*@}*/
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}
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#endif
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