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#include "bench_framework.hpp"
#include <mapnik/map.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/agg_renderer.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/font_engine_freetype.hpp>
#include <mapnik/scale_denominator.hpp>
#include <mapnik/projection.hpp>
#include <mapnik/layer.hpp>
#include <mapnik/proj_transform.hpp>
#include <mapnik/datasource_cache.hpp>
#include <stdexcept>
template <typename Renderer> void process_layers(Renderer & ren,
mapnik::request const& m_req,
mapnik::projection const& map_proj,
std::vector<mapnik::layer> const& layers,
double scale_denom)
{
unsigned layers_size = layers.size();
for (unsigned i=0; i < layers_size; ++i)
{
mapnik::layer const& lyr = layers[i];
if (lyr.visible(scale_denom))
{
std::set<std::string> names;
mapnik::layer l(lyr);
ren.apply_to_layer(l,
ren,
map_proj,
m_req.scale(),
scale_denom,
m_req.width(),
m_req.height(),
m_req.extent(),
m_req.buffer_size(),
names);
}
}
}
class test : public benchmark::test_case
{
std::string xml_;
mapnik::box2d<double> extent_;
mapnik::value_integer width_;
mapnik::value_integer height_;
std::shared_ptr<mapnik::Map> m_;
double scale_factor_;
std::string preview_;
mutable mapnik::image_rgba8 im_;
public:
test(mapnik::parameters const& params)
: test_case(params),
xml_(),
extent_(),
width_(*params.get<mapnik::value_integer>("width",256)),
height_(*params.get<mapnik::value_integer>("height",256)),
m_(new mapnik::Map(width_,height_)),
scale_factor_(*params.get<mapnik::value_double>("scale_factor",2.0)),
preview_(*params.get<std::string>("preview","")),
im_(m_->width(),m_->height())
{
boost::optional<std::string> map = params.get<std::string>("map");
if (!map)
{
throw std::runtime_error("please provide a --map=<path to xml> arg");
}
xml_ = *map;
boost::optional<std::string> ext = params.get<std::string>("extent");
mapnik::load_map(*m_,xml_,true);
if (ext && !ext->empty())
{
if (!extent_.from_string(*ext))
throw std::runtime_error("could not parse `extent` string" + *ext);
}
else
{
m_->zoom_all();
extent_ = m_->get_current_extent();
std::clog << "Defaulting to max extent " << extent_ << "\n";
std::clog << " (pass --extent=<minx,miny,maxx,maxy> to restrict bounds)\n";
}
}
bool validate() const
{
mapnik::request m_req(width_,height_,extent_);
mapnik::attributes variables;
m_req.set_buffer_size(m_->buffer_size());
mapnik::projection map_proj(m_->srs(),true);
double scale_denom = mapnik::scale_denominator(m_req.scale(),map_proj.is_geographic());
scale_denom *= scale_factor_;
mapnik::agg_renderer<mapnik::image_rgba8> ren(*m_,m_req,variables,im_,scale_factor_);
ren.start_map_processing(*m_);
std::vector<mapnik::layer> const& layers = m_->layers();
process_layers(ren,m_req,map_proj,layers,scale_denom);
ren.end_map_processing(*m_);
if (!preview_.empty()) {
std::clog << "preview available at " << preview_ << "\n";
mapnik::save_to_file(im_,preview_);
}
return true;
}
bool operator()() const
{
if (!preview_.empty()) {
return false;
}
for (unsigned i=0;i<iterations_;++i)
{
mapnik::request m_req(width_,height_,extent_);
mapnik::image_rgba8 im(m_->width(),m_->height());
mapnik::attributes variables;
m_req.set_buffer_size(m_->buffer_size());
mapnik::projection map_proj(m_->srs(),true);
double scale_denom = mapnik::scale_denominator(m_req.scale(),map_proj.is_geographic());
scale_denom *= scale_factor_;
mapnik::agg_renderer<mapnik::image_rgba8> ren(*m_,m_req,variables,im,scale_factor_);
ren.start_map_processing(*m_);
std::vector<mapnik::layer> const& layers = m_->layers();
process_layers(ren,m_req,map_proj,layers,scale_denom);
ren.end_map_processing(*m_);
bool diff = false;
mapnik::image_rgba8 const& dest = im;
mapnik::image_rgba8 const& src = im_;
for (unsigned int y = 0; y < height_; ++y)
{
const unsigned int* row_from = src.get_row(y);
const unsigned int* row_to = dest.get_row(y);
for (unsigned int x = 0; x < width_; ++x)
{
if (row_from[x] != row_to[x]) diff = true;
}
}
if (diff) throw std::runtime_error("images differ");
}
return true;
}
};
int main(int argc, char** argv)
{
int return_value = 0;
try
{
mapnik::parameters params;
benchmark::handle_args(argc,argv,params);
boost::optional<std::string> name = params.get<std::string>("name");
if (!name)
{
std::clog << "please provide a name for this test\n";
return -1;
}
mapnik::freetype_engine::register_fonts("./fonts/",true);
mapnik::datasource_cache::instance().register_datasources("./plugins/input/");
{
test test_runner(params);
return_value = run(test_runner,*name);
}
}
catch (std::exception const& ex)
{
std::clog << ex.what() << "\n";
return -1;
}
return return_value;
}
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