128 lines
3.7 KiB
C++
128 lines
3.7 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2014 Artem Pavlenko, Jean-Francois Doyon
|
|
*
|
|
* 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#include <mapnik/config.hpp>
|
|
|
|
// boost
|
|
#include "boost_std_shared_shim.hpp"
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
#pragma GCC diagnostic ignored "-Wunused-local-typedef"
|
|
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
|
|
|
|
#include <boost/python.hpp>
|
|
#include <boost/python/module.hpp>
|
|
#include <boost/python/def.hpp>
|
|
#pragma GCC diagnostic pop
|
|
|
|
// mapnik
|
|
#include <mapnik/image_data.hpp>
|
|
#include <mapnik/image_view.hpp>
|
|
#include <mapnik/image_view_any.hpp>
|
|
#include <mapnik/image_util.hpp>
|
|
#include <mapnik/palette.hpp>
|
|
#include <sstream>
|
|
|
|
using mapnik::image_view_any;
|
|
using mapnik::save_to_file;
|
|
|
|
// output 'raw' pixels
|
|
PyObject* view_tostring1(image_view_any const& view)
|
|
{
|
|
std::ostringstream ss(std::ios::out|std::ios::binary);
|
|
mapnik::view_to_string(view, ss);
|
|
return
|
|
#if PY_VERSION_HEX >= 0x03000000
|
|
::PyBytes_FromStringAndSize
|
|
#else
|
|
::PyString_FromStringAndSize
|
|
#endif
|
|
((const char*)ss.str().c_str(),ss.str().size());
|
|
}
|
|
|
|
// encode (png,jpeg)
|
|
PyObject* view_tostring2(image_view_any const & view, std::string const& format)
|
|
{
|
|
std::string s = save_to_string(view, format);
|
|
return
|
|
#if PY_VERSION_HEX >= 0x03000000
|
|
::PyBytes_FromStringAndSize
|
|
#else
|
|
::PyString_FromStringAndSize
|
|
#endif
|
|
(s.data(),s.size());
|
|
}
|
|
|
|
PyObject* view_tostring3(image_view_any const & view, std::string const& format, mapnik::rgba_palette const& pal)
|
|
{
|
|
std::string s = save_to_string(view, format, pal);
|
|
return
|
|
#if PY_VERSION_HEX >= 0x03000000
|
|
::PyBytes_FromStringAndSize
|
|
#else
|
|
::PyString_FromStringAndSize
|
|
#endif
|
|
(s.data(),s.size());
|
|
}
|
|
|
|
bool is_solid(image_view_any const& view)
|
|
{
|
|
return mapnik::is_solid(view);
|
|
}
|
|
|
|
void save_view1(image_view_any const& view,
|
|
std::string const& filename)
|
|
{
|
|
save_to_file(view,filename);
|
|
}
|
|
|
|
void save_view2(image_view_any const& view,
|
|
std::string const& filename,
|
|
std::string const& type)
|
|
{
|
|
save_to_file(view,filename,type);
|
|
}
|
|
|
|
void save_view3(image_view_any const& view,
|
|
std::string const& filename,
|
|
std::string const& type,
|
|
mapnik::rgba_palette const& pal)
|
|
{
|
|
save_to_file(view,filename,type,pal);
|
|
}
|
|
|
|
|
|
void export_image_view()
|
|
{
|
|
using namespace boost::python;
|
|
class_<image_view_any>("ImageView","A view into an image.",no_init)
|
|
.def("width",&image_view_any::width)
|
|
.def("height",&image_view_any::height)
|
|
.def("is_solid",&is_solid)
|
|
.def("tostring",&view_tostring1)
|
|
.def("tostring",&view_tostring2)
|
|
.def("tostring",&view_tostring3)
|
|
.def("save",&save_view1)
|
|
.def("save",&save_view2)
|
|
.def("save",&save_view3)
|
|
;
|
|
}
|