82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2017 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_RENDERER_COMMON_HPP
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#define MAPNIK_RENDERER_COMMON_HPP
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#include <mapnik/config.hpp> // for MAPNIK_DECL
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#include <mapnik/font_engine_freetype.hpp> // for face_manager, etc
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#include <mapnik/geometry/box2d.hpp> // for box2d
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#include <mapnik/view_transform.hpp> // for view_transform
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#include <mapnik/attribute.hpp>
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#include <mapnik/util/noncopyable.hpp>
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// fwd declarations to speed up compile
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namespace mapnik {
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class label_collision_detector4;
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class Map;
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class request;
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// class attributes;
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}
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namespace mapnik {
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struct renderer_common : private util::noncopyable
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{
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using detector_ptr = std::shared_ptr<label_collision_detector4>;
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renderer_common(Map const &m, attributes const& vars, unsigned offset_x, unsigned offset_y,
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unsigned width, unsigned height, double scale_factor);
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renderer_common(Map const &m, attributes const& vars, unsigned offset_x, unsigned offset_y,
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unsigned width, unsigned height, double scale_factor,
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detector_ptr detector);
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renderer_common(Map const &m, request const &req, attributes const& vars, unsigned offset_x, unsigned offset_y,
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unsigned width, unsigned height, double scale_factor);
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~renderer_common();
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unsigned width_;
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unsigned height_;
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double scale_factor_;
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attributes vars_;
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// TODO: dirty hack for cairo renderer, figure out how to remove this
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std::shared_ptr<font_library> shared_font_library_;
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font_library & font_library_;
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face_manager_freetype font_manager_;
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box2d<double> query_extent_;
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view_transform t_;
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detector_ptr detector_;
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protected:
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// it's desirable to keep this class implicitly noncopyable to prevent
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// inadvertent copying from other places;
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// this copy constructor is therefore protected and should only be used
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// by virtual_renderer_common
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renderer_common(renderer_common const& other);
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private:
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renderer_common(Map const &m, unsigned width, unsigned height, double scale_factor,
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attributes const& vars, view_transform && t, detector_ptr detector);
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};
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}
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#endif /* MAPNIK_RENDERER_COMMON_HPP */
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