44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
/* This file is part of Mapnik (c++ mapping toolkit)
|
|
* Copyright (C) 2005 Artem Pavlenko
|
|
*
|
|
* Mapnik 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 any later version.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
//$Id: scanline.hpp 39 2005-04-10 20:39:53Z pavlenko $
|
|
|
|
#ifndef SCANLINE_HPP
|
|
#define SCANLINE_HPP
|
|
|
|
#include "geometry.hpp"
|
|
|
|
namespace mapnik
|
|
{
|
|
template <typename PixBuffer> class ScanlineRasterizer
|
|
{
|
|
private:
|
|
PixBuffer* pixbuf_;
|
|
public:
|
|
ScanlineRasterizer(PixBuffer& pixbuf)
|
|
:pixbuf_(&pixbuf) {}
|
|
|
|
template <typename Transform>
|
|
void render(const geometry_type& geom,const Color& c);
|
|
private:
|
|
ScanlineRasterizer(const ScanlineRasterizer&);
|
|
ScanlineRasterizer& operator=(const ScanlineRasterizer&);
|
|
void render_hline(int x0,int x1,int y,unsigned int rgba);
|
|
};
|
|
}
|
|
#endif //SCANLINE_HPP
|