66 lines
2.3 KiB
C++
66 lines
2.3 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) 2015 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(HAVE_CAIRO)
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// mapnik
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#include <mapnik/symbolizer.hpp>
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#include <mapnik/symbolizer_keys.hpp>
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#include <mapnik/image_compositing.hpp>
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#include <mapnik/cairo/cairo_context.hpp>
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#include <mapnik/cairo/cairo_renderer.hpp>
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#include <mapnik/renderer_common.hpp>
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#include <mapnik/renderer_common/process_point_symbolizer.hpp>
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namespace agg { struct trans_affine; }
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namespace mapnik
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{
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class feature_impl;
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class proj_transform;
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template <typename T>
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void cairo_renderer<T>::process(point_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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composite_mode_e comp_op = get<composite_mode_e>(sym, keys::comp_op, feature, common_.vars_, src_over);
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cairo_save_restore guard(context_);
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context_.set_operator(comp_op);
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render_point_symbolizer(
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sym, feature, prj_trans, common_,
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[this](pixel_position const& pos, marker const& marker,
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agg::trans_affine const& tr, double opacity) {
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render_marker(pos, marker, tr, opacity);
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});
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}
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template void cairo_renderer<cairo_ptr>::process(point_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 // HAVE_CAIRO
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