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
114 lines
3.6 KiB
C++
114 lines
3.6 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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// mapnik
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#include <mapnik/expression_string.hpp>
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#include <mapnik/transform/transform_expression.hpp>
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// stl
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#include <sstream>
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namespace mapnik {
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struct transform_node_to_expression_string
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{
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std::ostringstream& os_;
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transform_node_to_expression_string(std::ostringstream& os)
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: os_(os)
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{}
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void operator()(identity_node const&) const {}
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void operator()(matrix_node const& node)
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{
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os_ << "matrix(" << to_expression_string(node.a_) << ", " << to_expression_string(node.b_) << ", "
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<< to_expression_string(node.c_) << ", " << to_expression_string(node.d_) << ", "
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<< to_expression_string(node.e_) << ", " << to_expression_string(node.f_) << ")";
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}
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void operator()(translate_node const& node)
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{
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if (detail::is_null_node(node.ty_))
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{
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os_ << "translate(" << to_expression_string(node.tx_) << ")";
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}
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else
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{
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os_ << "translate(" << to_expression_string(node.tx_) << ", " << to_expression_string(node.ty_) << ")";
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}
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}
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void operator()(scale_node const& node)
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{
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if (detail::is_null_node(node.sy_))
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{
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os_ << "scale(" << to_expression_string(node.sx_) << ")";
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}
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else
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{
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os_ << "scale(" << to_expression_string(node.sx_) << ", " << to_expression_string(node.sy_) << ")";
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}
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}
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void operator()(rotate_node const& node)
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{
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if (detail::is_null_node(node.cy_) || detail::is_null_node(node.cy_))
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{
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os_ << "rotate(" << to_expression_string(node.angle_) << ")";
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}
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else
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{
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os_ << "rotate(" << to_expression_string(node.angle_) << ", " << to_expression_string(node.cx_) << ", "
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<< to_expression_string(node.cy_) << ")";
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}
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}
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void operator()(skewX_node const& node) { os_ << "skewX(" << to_expression_string(node.angle_) << ")"; }
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void operator()(skewY_node const& node) { os_ << "skewY(" << to_expression_string(node.angle_) << ")"; }
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};
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std::string to_expression_string(transform_node const& node)
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{
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std::ostringstream os; // FIXME set precision?
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transform_node_to_expression_string to_string(os);
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util::apply_visitor(to_string, *node);
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return os.str();
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}
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std::string to_expression_string(transform_list const& list)
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{
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std::ostringstream os; // FIXME set precision?
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std::streamsize first = 1;
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transform_node_to_expression_string to_string(os);
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for (transform_node const& node : list)
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{
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os.write(" ", first ? (first = 0) : 1);
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util::apply_visitor(to_string, *node);
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}
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return os.str();
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}
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} // namespace mapnik
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