119 lines
4.4 KiB
C++
119 lines
4.4 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) 2014 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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#if defined(GRID_RENDERER)
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/*
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porting notes -->
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- rasterizer -> grid_rasterizer
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- current_buffer_ -> pixmap_
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- agg::rendering_buffer -> grid_renderering_buffer
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- no gamma
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- agg::scanline_bin sl
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- grid_rendering_buffer
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- agg::renderer_scanline_bin_solid
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- TODO - clamp sizes to > 4 pixels of interactivity
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- svg_renderer.render_id
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- only encode feature if placements are found:
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if (placed)
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{
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pixmap_.add_feature(feature);
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}
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*/
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// mapnik
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#include <mapnik/feature.hpp>
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#include <mapnik/grid/grid_rasterizer.hpp>
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#include <mapnik/grid/grid_renderer.hpp>
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#include <mapnik/grid/grid_renderer_base.hpp>
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#include <mapnik/grid/grid.hpp>
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#include <mapnik/grid/grid_marker_helpers.hpp>
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#include <mapnik/debug.hpp>
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#include <mapnik/geom_util.hpp>
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#include <mapnik/marker.hpp>
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#include <mapnik/marker_cache.hpp>
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#include <mapnik/marker_helpers.hpp>
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#include <mapnik/svg/svg_renderer_agg.hpp>
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#include <mapnik/svg/svg_storage.hpp>
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#include <mapnik/svg/svg_path_adapter.hpp>
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#include <mapnik/svg/svg_path_attributes.hpp>
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#include <mapnik/parse_path.hpp>
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#include <mapnik/renderer_common/process_markers_symbolizer.hpp>
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// agg
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#include "agg_basics.h"
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#include "agg_rendering_buffer.h"
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#include "agg_rasterizer_scanline_aa.h"
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// boost
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#include <boost/optional.hpp>
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// stl
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#include <algorithm>
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#include <tuple>
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namespace mapnik {
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template <typename T>
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void grid_renderer<T>::process(markers_symbolizer const& sym,
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mapnik::feature_impl & feature,
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proj_transform const& prj_trans)
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{
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using buf_type = grid_rendering_buffer;
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using pixfmt_type = typename grid_renderer_base_type::pixfmt_type;
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using renderer_type = agg::renderer_scanline_bin_solid<grid_renderer_base_type>;
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using detector_type = label_collision_detector4;
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using namespace mapnik::svg;
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using svg_attribute_type = agg::pod_bvector<path_attributes>;
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using svg_renderer_type = svg_renderer_agg<svg_path_adapter,
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svg_attribute_type,
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renderer_type,
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pixfmt_type>;
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buf_type render_buf(pixmap_.raw_data(), common_.width_, common_.height_, common_.width_);
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ras_ptr->reset();
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box2d<double> clip_box = common_.query_extent_;
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auto renderer_context = std::tie(render_buf,*ras_ptr,pixmap_);
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using context_type = decltype(renderer_context);
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using vector_dispatch_type = vector_markers_rasterizer_dispatch_grid<svg_renderer_type,
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detector_type,
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context_type>;
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using raster_dispatch_type = raster_markers_rasterizer_dispatch_grid<grid_renderer_base_type,
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renderer_type,
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detector_type,
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context_type>;
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render_markers_symbolizer<vector_dispatch_type, raster_dispatch_type>(
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sym, feature, prj_trans, common_, clip_box,renderer_context);
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}
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template void grid_renderer<grid>::process(markers_symbolizer const&,
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mapnik::feature_impl &,
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proj_transform const&);
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}
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#endif
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