mapnik/include/mapnik/symbolizer.hpp

87 lines
2.7 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 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
*
*****************************************************************************/
#ifndef MAPNIK_SYMBOLIZER_HPP
#define MAPNIK_SYMBOLIZER_HPP
// mapnik
#include <mapnik/config.hpp>
#include <mapnik/parse_path.hpp>
#include <mapnik/image_compositing.hpp>
#include <mapnik/transform_expression.hpp>
// boost
#include <boost/array.hpp>
#include <boost/optional.hpp>
namespace mapnik
{
typedef transform_list_ptr transform_type;
MAPNIK_DECL void evaluate_transform(agg::trans_affine& tr, Feature const& feature,
transform_type const& trans_expr);
class Map;
class MAPNIK_DECL symbolizer_base
{
public:
symbolizer_base();
symbolizer_base(symbolizer_base const& other);
void set_comp_op(composite_mode_e comp_op);
composite_mode_e comp_op() const;
void set_transform(transform_type const& );
transform_type const& get_transform() const;
std::string get_transform_string() const;
void set_clip(bool clip);
bool clip() const;
void set_smooth(double smooth);
double smooth() const;
private:
composite_mode_e comp_op_;
transform_type affine_transform_;
bool clip_;
double smooth_value_;
};
class MAPNIK_DECL symbolizer_with_image
{
public:
path_expression_ptr const& get_filename() const;
void set_filename(path_expression_ptr const& filename);
void set_opacity(float opacity);
float get_opacity() const;
void set_image_transform(transform_type const& tr);
transform_type const& get_image_transform() const;
std::string get_image_transform_string() const;
protected:
symbolizer_with_image(path_expression_ptr filename = path_expression_ptr());
symbolizer_with_image(symbolizer_with_image const& rhs);
path_expression_ptr image_filename_;
float image_opacity_;
transform_type image_transform_;
};
}
#endif // MAPNIK_SYMBOLIZER_HPP