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Viewing changes to libs/geometry/doc/src/examples/algorithms/create_svg_two.hpp

  • Committer: Package Import Robot
  • Author(s): Steve M. Robbins
  • Date: 2012-02-26 00:31:44 UTC
  • Revision ID: package-import@ubuntu.com-20120226003144-eaytp12cbf6ubpms
Tags: upstream-1.49.0
Import upstream version 1.49.0

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libs/geometry/doc/src/examples/algorithms/create_svg_two.hpp
 
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// Boost.Geometry (aka GGL, Generic Geometry Library)
 
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// Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
 
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// Use, modification and distribution is subject to the Boost Software License,
 
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
 
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// http://www.boost.org/LICENSE_1_0.txt)
 
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// Code to create SVG for examples
 
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#ifndef CREATE_SVG_TWO_HPP
 
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#define CREATE_SVG_TWO_HPP
 
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#include <fstream>
 
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#include <boost/algorithm/string.hpp>
 
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#if defined(HAVE_SVG)
 
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#  include <boost/geometry/extensions/io/svg/svg_mapper.hpp>
 
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#endif
 
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template <typename Geometry1, typename Geometry2>
 
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void create_svg(std::string const& filename, Geometry1 const& a, Geometry2 const& b)
 
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{
 
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#if defined(HAVE_SVG)
 
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    std::cout  << std::endl << "[$img/algorithms/" << boost::replace_all_copy(filename, ".svg", ".png") << "]" << std::endl << std::endl;
 
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    typedef typename boost::geometry::point_type<Geometry1>::type point_type;
 
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    std::ofstream svg(filename.c_str());
 
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    boost::geometry::svg_mapper<point_type> mapper(svg, 400, 400);
 
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    mapper.add(a);
 
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    mapper.add(b);
 
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    mapper.map(a, "fill-opacity:0.5;fill:rgb(153,204,0);stroke:rgb(153,204,0);stroke-width:2");
 
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    if (boost::geometry::geometry_id<Geometry2>::value == 1)
 
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    {
 
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        mapper.map(b, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1");
 
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    }
 
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    else
 
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    {
 
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        mapper.map(b, "opacity:0.8;fill:none;stroke:rgb(255,128,0);stroke-width:4;stroke-dasharray:1,7;stroke-linecap:round");
 
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    }
 
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#else
 
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    boost::ignore_unused_variable_warning(filename);
 
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    boost::ignore_unused_variable_warning(a);
 
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    boost::ignore_unused_variable_warning(b);
 
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#endif
 
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}
 
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// NOTE: convert manually from svg to png using Inkscape ctrl-shift-E
 
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// and copy png to html/img/algorithms/
 
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#endif // CREATE_SVG_TWO_HPP
 
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