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// mapnik
#include <mapnik/geometry.hpp>
#include <mapnik/util/conversions.hpp>
// boost
#include <boost/detail/lightweight_test.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/foreach.hpp>
// stl
#include <stdexcept>
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
// agg
#include "agg_conv_clip_polygon.h"
#include "agg_conv_clip_polyline.h"
//#include "agg_path_storage.h"
//#include "agg_conv_clipper.h"
#include "utils.hpp"
template <typename T>
std::string dump_path(T & path)
{
unsigned cmd = 1;
double x = 0;
double y = 0;
unsigned idx = 0;
std::ostringstream s;
path.rewind(0);
while ((cmd = path.vertex(&x, &y)) != mapnik::SEG_END)
{
if (idx > 0) s << ",";
s << x << " " << y << " " << cmd;
idx++;
}
return s.str();
}
std::string clip_line(mapnik::box2d<double> const& bbox,
mapnik::geometry_type & geom)
{
typedef agg::conv_clip_polyline<mapnik::geometry_type> line_clipper;
line_clipper clipped(geom);
clipped.clip_box(bbox.minx(),bbox.miny(),bbox.maxx(),bbox.maxy());
return dump_path(clipped);
}
void parse_geom(mapnik::geometry_type & geom,
std::string const& geom_string) {
std::vector<std::string> vertices;
boost::split(vertices, geom_string, boost::is_any_of(","));
BOOST_FOREACH(std::string const& vert, vertices)
{
std::vector<std::string> commands;
boost::split(commands, vert, boost::is_any_of(" "));
if (commands.size() != 3)
{
throw std::runtime_error(std::string("could not parse geometry '") + geom_string + "'");
}
double x = 0;
double y = 0;
int c = 0;
if (mapnik::util::string2double(commands[0],x)
&& mapnik::util::string2double(commands[1],y)
&& mapnik::util::string2int(commands[2],c))
{
geom.push_vertex(x,y,(mapnik::CommandType)c);
}
else
{
throw std::runtime_error(std::string("could not parse geometry '") + geom_string + "'");
}
}
}
int main(int argc, char** argv)
{
std::vector<std::string> args;
for (int i=1;i<argc;++i)
{
args.push_back(argv[i]);
}
bool quiet = std::find(args.begin(), args.end(), "-q")!=args.end();
try {
BOOST_TEST(set_working_dir(args));
std::string filename("tests/cpp_tests/data/cases.txt");
std::ifstream stream(filename.c_str(),std::ios_base::in | std::ios_base::binary);
if (!stream.is_open())
throw std::runtime_error("could not open: '" + filename + "'");
std::string csv_line;
while(std::getline(stream,csv_line,'\n'))
{
if (csv_line.empty() || csv_line[0] == '#') continue;
std::vector<std::string> parts;
boost::split(parts, csv_line, boost::is_any_of(";"));
// first part is clipping box
mapnik::box2d<double> bbox;
if (!bbox.from_string(parts[0])) {
throw std::runtime_error(std::string("could not parse bbox '") + parts[0] + "'");
}
// second part is input geometry
mapnik::geometry_type geom;
parse_geom(geom,parts[1]);
//std::clog << dump_path(geom) << "\n";
// third part is expected, clipped geometry
BOOST_TEST_EQ(clip_line(bbox,geom),parts[2]);
}
stream.close();
}
catch (std::exception const& ex)
{
std::cerr << ex.what() << "\n";
}
if (!::boost::detail::test_errors())
{
if (quiet) std::clog << "\x1b[1;32m.\x1b[0m";
else std::clog << "C++ clipping: \x1b[1;32m✓ \x1b[0m\n";
#if BOOST_VERSION >= 104600
::boost::detail::report_errors_remind().called_report_errors_function = true;
#endif
}
else
{
return ::boost::report_errors();
}
}
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