simplify color generators - remove boost::phoenix usage

(ref: https://github.com/mapbox/windows-builds/issues/81)
This commit is contained in:
artemp 2016-02-22 12:45:28 +01:00
parent ea54876d79
commit 3e8ee9a559

View file

@ -24,18 +24,12 @@
#include <mapnik/color.hpp> #include <mapnik/color.hpp>
#include <mapnik/color_factory.hpp> #include <mapnik/color_factory.hpp>
#include <mapnik/config_error.hpp> #include <mapnik/config_error.hpp>
// agg // agg
#include "agg_color_rgba.h" #include "agg_color_rgba.h"
#pragma GCC diagnostic push #pragma GCC diagnostic push
#include <mapnik/warning_ignore.hpp> #include <mapnik/warning_ignore.hpp>
#include <boost/spirit/include/karma.hpp> #include <boost/spirit/include/karma.hpp>
#include <boost/spirit/include/phoenix_statement.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/spirit/include/phoenix_fusion.hpp>
#include <boost/spirit/include/phoenix_function.hpp>
#pragma GCC diagnostic pop #pragma GCC diagnostic pop
// stl // stl
@ -52,22 +46,23 @@ color::color(std::string const& str, bool premultiplied)
std::string color::to_string() const std::string color::to_string() const
{ {
namespace karma = boost::spirit::karma; namespace karma = boost::spirit::karma;
boost::spirit::karma::_1_type _1;
boost::spirit::karma::eps_type eps; boost::spirit::karma::eps_type eps;
boost::spirit::karma::double_type double_; boost::spirit::karma::double_type double_;
boost::spirit::karma::string_type kstring; boost::spirit::karma::uint_generator<uint8_t,10> color_;
boost::spirit::karma::uint_generator<uint8_t,10> color_generator;
std::string str; std::string str;
std::back_insert_iterator<std::string> sink(str); std::back_insert_iterator<std::string> sink(str);
karma::generate(sink, karma::generate(sink, eps(alpha() < 255)
// begin grammar // begin grammar
kstring[ boost::phoenix::if_(alpha()==255) [_1="rgb("].else_[_1="rgba("]] << "rgba("
<< color_generator[_1 = red()] << ',' << color_(red()) << ','
<< color_generator[_1 = green()] << ',' << color_(green()) << ','
<< color_generator[_1 = blue()] << color_(blue()) << ','
<< kstring[ boost::phoenix::if_(alpha()==255) [_1 = ')'].else_[_1 =',']] << double_(alpha()/255.0) << ')'
<< eps(alpha()<255) << double_ [_1 = alpha()/255.0] |
<< ')' "rgb("
<< color_(red()) << ','
<< color_(green()) << ','
<< color_(blue()) << ')'
// end grammar // end grammar
); );
return str; return str;
@ -76,7 +71,6 @@ std::string color::to_string() const
std::string color::to_hex_string() const std::string color::to_hex_string() const
{ {
namespace karma = boost::spirit::karma; namespace karma = boost::spirit::karma;
boost::spirit::karma::_1_type _1;
boost::spirit::karma::hex_type hex; boost::spirit::karma::hex_type hex;
boost::spirit::karma::eps_type eps; boost::spirit::karma::eps_type eps;
boost::spirit::karma::right_align_type right_align; boost::spirit::karma::right_align_type right_align;
@ -85,10 +79,10 @@ std::string color::to_hex_string() const
karma::generate(sink, karma::generate(sink,
// begin grammar // begin grammar
'#' '#'
<< right_align(2,'0')[hex[_1 = red()]] << right_align(2,'0')[hex(red())]
<< right_align(2,'0')[hex[_1 = green()]] << right_align(2,'0')[hex(green())]
<< right_align(2,'0')[hex[_1 = blue()]] << right_align(2,'0')[hex(blue())]
<< eps(alpha() < 255) << right_align(2,'0')[hex [_1 = alpha()]] << eps(alpha() < 255) << right_align(2,'0')[hex(alpha())]
// end grammar // end grammar
); );
return str; return str;