/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2015 Artem Pavlenko * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ #if defined(HAVE_CAIRO) // mapnik #include #include #include #include #include namespace mapnik { class feature_impl; class proj_transform; template void cairo_renderer::process(shield_symbolizer const& sym, mapnik::feature_impl & feature, proj_transform const& prj_trans) { agg::trans_affine tr; auto transform = get_optional(sym, keys::geometry_transform); if (transform) evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_); text_symbolizer_helper helper( sym, feature, common_.vars_, prj_trans, common_.width_, common_.height_, common_.scale_factor_, common_.t_, common_.font_manager_, *common_.detector_, common_.query_extent_, tr); cairo_save_restore guard(context_); composite_mode_e comp_op = get(sym, keys::comp_op, feature, common_.vars_, src_over); composite_mode_e halo_comp_op = get(sym, keys::halo_comp_op, feature, common_.vars_, src_over); double opacity = get(sym,keys::opacity,feature, common_.vars_, 1.0); placements_list const &placements = helper.get(); for (auto const& glyphs : placements) { marker_info_ptr mark = glyphs->get_marker(); if (mark) { pixel_position pos = glyphs->marker_pos(); render_marker(pos, *mark->marker_, mark->transform_, opacity); } context_.add_text(*glyphs, face_manager_, comp_op, halo_comp_op, common_.scale_factor_); } } template void cairo_renderer::process(shield_symbolizer const&, mapnik::feature_impl &, proj_transform const&); template void cairo_renderer::process(text_symbolizer const& sym, mapnik::feature_impl & feature, proj_transform const& prj_trans) { agg::trans_affine tr; auto transform = get_optional(sym, keys::geometry_transform); if (transform) evaluate_transform(tr, feature, common_.vars_, *transform, common_.scale_factor_); text_symbolizer_helper helper( sym, feature, common_.vars_, prj_trans, common_.width_, common_.height_, common_.scale_factor_, common_.t_, common_.font_manager_, *common_.detector_, common_.query_extent_, tr); cairo_save_restore guard(context_); composite_mode_e comp_op = get(sym, keys::comp_op, feature, common_.vars_, src_over); composite_mode_e halo_comp_op = get(sym, keys::halo_comp_op, feature, common_.vars_, src_over); placements_list const& placements = helper.get(); for (auto const& glyphs : placements) { context_.add_text(*glyphs, face_manager_, comp_op, halo_comp_op, common_.scale_factor_); } } template void cairo_renderer::process(text_symbolizer const&, mapnik::feature_impl &, proj_transform const&); } #endif // HAVE_CAIRO