88 lines
2 KiB
C++
88 lines
2 KiB
C++
/* This file is part of Mapnik (c++ mapping toolkit)
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* Copyright (C) 2005 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or 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 for more details.#include "memory.hh"
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id$
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#ifndef COORD_ARRAY_HH
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#define COORD_ARRAY_HH
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#include "coord.hh"
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#include <cassert>
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namespace mapnik
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{
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template <typename T>
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class coord_array
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{
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typedef T coord_type;
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coord_type* pt_;
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const unsigned size_;
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public:
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coord_array(unsigned size=0)
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: pt_(static_cast<coord_type*>(size==0?0: ::operator new (sizeof(coord_type)*size))),
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size_(size) {}
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coord_array(const coord_array& rhs)
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: pt_(static_cast<coord_type*>(rhs.size_==0?0: ::operator new (sizeof(coord_type)*rhs.size_))),
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size_(rhs.size_) {
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memcpy(pt_,rhs.pt_,sizeof(coord_type)*rhs.size_);
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}
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~coord_array()
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{
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::operator delete (pt_);
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}
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unsigned size() const
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{
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return size_;
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}
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void set(unsigned index,double x,double y)
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{
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assert(index<size_);
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pt_[index].x=x;
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pt_[index].y=y;
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}
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const coord_type& at(unsigned index) const
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{
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assert(index<size_);
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return pt_[index];
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}
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const coord_type& operator[] (unsigned index) const
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{
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assert (index<size_);
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return pt_[index];
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}
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coord_type& operator[] (unsigned index)
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{
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assert (index<size_);
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return pt_[index];
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}
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private:
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coord_array& operator=(const coord_array&);
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};
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}
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#endif //COORD_ARRAY_HH
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