09459683e9
Correctly handle point placement for TextSymbolizer. (Tries each possible placement for each point).
73 lines
2.7 KiB
C++
73 lines
2.7 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) 2011 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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//$Id$
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#include <mapnik/agg_renderer.hpp>
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#include <mapnik/agg_rasterizer.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/svg/svg_converter.hpp>
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#include <mapnik/svg/svg_renderer.hpp>
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#include <mapnik/svg/svg_path_adapter.hpp>
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#include <mapnik/symbolizer_helpers.hpp>
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// boost
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#include <boost/make_shared.hpp>
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namespace mapnik {
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template <typename T>
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void agg_renderer<T>::process(shield_symbolizer const& sym,
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Feature const& feature,
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proj_transform const& prj_trans)
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{
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shield_symbolizer_helper<face_manager<freetype_engine>,
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label_collision_detector4> helper(
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sym, feature, prj_trans,
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width_, height_,
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scale_factor_,
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t_, font_manager_, *detector_);
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text_renderer<T> ren(pixmap_, font_manager_, *(font_manager_.get_stroker()));
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text_placement_info_ptr placement;
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while ((placement = helper.get_placement())) {
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for (unsigned int ii = 0; ii < placement->placements.size(); ++ii)
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{
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std::pair<int, int> marker_pos = helper.get_marker_position(placement->placements[ii]);
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render_marker(marker_pos.first, marker_pos.second, helper.get_marker(), helper.get_transform(), sym.get_opacity());
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double x = placement->placements[ii].starting_x;
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double y = placement->placements[ii].starting_y;
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ren.prepare_glyphs(&(placement->placements[ii]));
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ren.render(x, y);
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}
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}
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}
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template void agg_renderer<image_32>::process(shield_symbolizer const&,
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Feature const&,
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proj_transform const&);
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}
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