101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
#include "bench_framework.hpp"
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// mapnik
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#include <mapnik/global.hpp>
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#include <mapnik/vertex.hpp>
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#include <mapnik/offset_converter.hpp>
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struct fake_path
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{
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using coord_type = std::tuple<double, double, unsigned>;
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using cont_type = std::vector<coord_type>;
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cont_type vertices_;
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cont_type::iterator itr_;
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fake_path(std::initializer_list<double> l)
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: fake_path(l.begin(), l.size()) {
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}
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fake_path(std::vector<double> const &v)
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: fake_path(v.begin(), v.size()) {
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}
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template <typename Itr>
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fake_path(Itr itr, size_t sz) {
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size_t num_coords = sz >> 1;
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vertices_.reserve(num_coords);
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for (size_t i = 0; i < num_coords; ++i) {
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double x = *itr++;
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double y = *itr++;
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unsigned cmd = (i == 0) ? mapnik::SEG_MOVETO : mapnik::SEG_LINETO;
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vertices_.push_back(std::make_tuple(x, y, cmd));
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if (i == num_coords - 1) cmd = mapnik::SEG_END;
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vertices_.push_back(std::make_tuple(x, y, cmd));
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}
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itr_ = vertices_.begin();
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}
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unsigned vertex(double *x, double *y) {
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if (itr_ == vertices_.end()) {
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return mapnik::SEG_END;
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}
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*x = std::get<0>(*itr_);
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*y = std::get<1>(*itr_);
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unsigned cmd = std::get<2>(*itr_);
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++itr_;
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return cmd;
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}
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void rewind(unsigned) {
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itr_ = vertices_.begin();
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}
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};
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class test_offset : public benchmark::test_case
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{
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public:
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test_offset(mapnik::parameters const& params)
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: test_case(params) {}
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bool validate() const
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{
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return true;
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}
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bool operator()() const
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{
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std::vector<double> path;
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int mysize = 2500;
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int x1 = 0;
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path.reserve(mysize*2);
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for( int i = 0; i < mysize; i++ )
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{
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path.push_back( i );
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path.push_back( 0 );
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}
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fake_path fpath(path);
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for (std::size_t i=0;i<iterations_;++i) {
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mapnik::offset_converter<fake_path> off_path(fpath);
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off_path.set_offset(10);
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unsigned cmd;
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double x, y;
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while ((cmd = off_path.vertex(&x, &y)) != mapnik::SEG_END)
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{
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x1++;
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}
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}
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return x1 > 0;
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}
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};
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int main(int argc, char** argv)
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{
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mapnik::parameters params;
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benchmark::handle_args(argc,argv,params);
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int return_value = 0;
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{
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test_offset test_runner(params);
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return_value = run(test_runner,"offset_test");
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}
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return return_value;
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}
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