mapnik/src/image_util.cpp
2008-01-25 14:42:13 +00:00

79 lines
2.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id: image_util.cpp 36 2005-04-05 14:32:18Z pavlenko $
// mapnik
#include <mapnik/image_util.hpp>
#include <mapnik/png_io.hpp>
#include <mapnik/jpeg_io.hpp>
#include <mapnik/graphics.hpp>
#include <mapnik/memory.hpp>
#include <mapnik/image_view.hpp>
// stl
#include <string>
#include <iostream>
#include <fstream>
namespace mapnik
{
template <typename T>
void save_to_file(T const& image,
std::string const& filename,
std::string const& type)
{
std::ofstream file (filename.c_str(), std::ios::out| std::ios::trunc|std::ios::binary);
if (file)
{
//all this should go into image_writer factory
if (type=="png") save_as_png(file,image);
else if (type == "png256") save_as_png256(file,image);
else if (type=="jpeg") save_as_jpeg(file,85,image);
else throw ImageWriterException("unknown file type: " + type);
}
}
template <typename T>
void save_to_file(T const& image,std::string const& filename)
{
std::string type = type_from_filename(filename);
save_to_file<T>(image,filename,type);
}
template void save_to_file<ImageData32>(ImageData32 const&,
std::string const&,
std::string const&);
template void save_to_file<ImageData32>(ImageData32 const&,
std::string const&);
template void save_to_file<image_view<ImageData32> > (image_view<ImageData32> const&,
std::string const&,
std::string const&);
template void save_to_file<image_view<ImageData32> > (image_view<ImageData32> const&,
std::string const&);
}