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e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
119 lines
3.9 KiB
C++
119 lines
3.9 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) 2021 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_FEATURE_STYLE_PROCESSOR_HPP
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#define MAPNIK_FEATURE_STYLE_PROCESSOR_HPP
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// mapnik
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#include <mapnik/geometry/box2d.hpp>
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#include <mapnik/featureset.hpp>
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#include <mapnik/config.hpp>
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#include <mapnik/feature_style_processor_context.hpp>
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// stl
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#include <vector>
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#include <set>
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#include <string>
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namespace mapnik {
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class Map;
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class layer;
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class projection;
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class proj_transform;
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class feature_type_style;
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class rule_cache;
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struct layer_rendering_material;
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enum eAttributeCollectionPolicy { DEFAULT = 0, COLLECT_ALL = 1 };
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template<typename Processor>
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class feature_style_processor
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{
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public:
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explicit feature_style_processor(Map const& m, double scale_factor = 1.0);
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/*!
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* \brief apply renderer to all map layers.
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*/
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void apply(double scale_denom_override = 0.0);
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/*!
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* \brief apply renderer to a single layer, providing pre-populated set of query attribute names.
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*/
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void apply(mapnik::layer const& lyr, std::set<std::string>& names, double scale_denom_override = 0.0);
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/*!
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* \brief render a layer given a projection and scale.
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*/
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void apply_to_layer(layer const& lay,
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Processor& p,
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projection const& proj0,
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double scale,
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double scale_denom,
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unsigned width,
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unsigned height,
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box2d<double> const& extent,
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int buffer_size,
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std::set<std::string>& names);
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private:
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/*!
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* \brief renders a featureset with the given styles.
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*/
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void render_style(Processor& p,
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feature_type_style const* style,
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rule_cache const& rules,
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featureset_ptr features,
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proj_transform const& prj_trans);
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void prepare_layers(layer_rendering_material& parent_mat,
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std::vector<layer> const& layers,
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feature_style_context_map& ctx_map,
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Processor& p,
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double scale_denom);
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/*!
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* \brief prepare features for rendering asynchronously.
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*/
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void prepare_layer(layer_rendering_material& mat,
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feature_style_context_map& ctx_map,
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Processor& p,
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double scale,
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double scale_denom,
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unsigned width,
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unsigned height,
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box2d<double> const& extent,
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int buffer_size,
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std::set<std::string>& names);
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/*!
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* \brief render features list queued when they are available.
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*/
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void render_material(layer_rendering_material const& mat, Processor& p);
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void render_submaterials(layer_rendering_material const& mat, Processor& p);
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Map const& m_;
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};
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} // namespace mapnik
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#endif // MAPNIK_FEATURE_STYLE_PROCESSOR_HPP
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