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#include <boost/version.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <iostream>
#include <mapnik/map.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/agg_renderer.hpp>
#if defined(HAVE_CAIRO)
#include <mapnik/cairo_renderer.hpp>
#include <mapnik/cairo_context.hpp>
#endif
#include <mapnik/graphics.hpp>
#include <mapnik/image_util.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/font_engine_freetype.hpp>
#include <mapnik/image_data.hpp>
#include <mapnik/image_reader.hpp>
#include <mapnik/scale_denominator.hpp>
#include <mapnik/feature_style_processor.hpp>
#include <boost/foreach.hpp>
#include <vector>
#include <algorithm>
#include "utils.hpp"
bool compare_images(std::string const& src_fn,std::string const& dest_fn)
{
using namespace mapnik;
std::auto_ptr<mapnik::image_reader> reader1(mapnik::get_image_reader(dest_fn,"png"));
if (!reader1.get())
{
throw mapnik::image_reader_exception("Failed to load: " + dest_fn);
}
boost::shared_ptr<image_32> image_ptr1 = boost::make_shared<image_32>(reader1->width(),reader1->height());
reader1->read(0,0,image_ptr1->data());
std::auto_ptr<mapnik::image_reader> reader2(mapnik::get_image_reader(src_fn,"png"));
if (!reader2.get())
{
throw mapnik::image_reader_exception("Failed to load: " + src_fn);
}
boost::shared_ptr<image_32> image_ptr2 = boost::make_shared<image_32>(reader2->width(),reader2->height());
reader2->read(0,0,image_ptr2->data());
image_data_32 const& dest = image_ptr1->data();
image_data_32 const& src = image_ptr2->data();
unsigned int width = src.width();
unsigned int height = src.height();
if ((width != dest.width()) || height != dest.height()) return false;
for (unsigned int y = 0; y < height; ++y)
{
const unsigned int* row_from = src.getRow(y);
const unsigned int* row_to = dest.getRow(y);
for (unsigned int x = 0; x < width; ++x)
{
if (row_from[x] != row_to[x]) return false;
}
}
return true;
}
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();
// TODO - re-enable if we can control the freetype/cairo versions used
// https://github.com/mapnik/mapnik/issues/1868
/*
std::string expected("./tests/cpp_tests/support/map-request-marker-text-line-expected.png");
std::string expected_cairo("./tests/cpp_tests/support/map-request-marker-text-line-expected-cairo.png");
try {
BOOST_TEST(set_working_dir(args));
mapnik::datasource_cache::instance().register_datasources("./plugins/input/");
mapnik::freetype_engine::register_fonts("./fonts", true );
mapnik::Map m(256,256);
mapnik::load_map(m,"./tests/data/good_maps/marker-text-line.xml",false);
m.zoom_all();
mapnik::image_32 im(m.width(),m.height());
double scale_factor = 1.2;
// render normally with apply() and just map and image
mapnik::agg_renderer<mapnik::image_32> renderer1(m,im,scale_factor);
renderer1.apply();
std::string actual1("/tmp/map-request-marker-text-line-actual1.png");
//mapnik::save_to_file(im,expected);
mapnik::save_to_file(im,actual1);
BOOST_TEST(compare_images(actual1,expected));
// reset image
im.clear();
// set up a mapnik::request object
mapnik::request req(m.width(),m.height(),m.get_current_extent());
req.set_buffer_size(m.buffer_size());
// render using apply() and mapnik::request
mapnik::agg_renderer<mapnik::image_32> renderer2(m,req,im,scale_factor);
renderer2.apply();
std::string actual2("/tmp/map-request-marker-text-line-actual2.png");
mapnik::save_to_file(im,actual2);
BOOST_TEST(compare_images(actual2,expected));
// reset image
im.clear();
// render with apply_to_layer api and mapnik::request params passed to apply_to_layer
mapnik::agg_renderer<mapnik::image_32> renderer3(m,req,im,scale_factor);
renderer3.start_map_processing(m);
mapnik::projection map_proj(m.srs(),true);
double scale_denom = mapnik::scale_denominator(req.scale(),map_proj.is_geographic());
scale_denom *= scale_factor;
BOOST_FOREACH ( mapnik::layer const& lyr, m.layers() )
{
if (lyr.visible(scale_denom))
{
std::set<std::string> names;
renderer3.apply_to_layer(lyr,
renderer3,
map_proj,
req.scale(),
scale_denom,
req.width(),
req.height(),
req.extent(),
req.buffer_size(),
names);
}
}
renderer3.end_map_processing(m);
std::string actual3("/tmp/map-request-marker-text-line-actual3.png");
mapnik::save_to_file(im,actual3);
BOOST_TEST(compare_images(actual3,expected));
// also test cairo
#if defined(HAVE_CAIRO)
mapnik::cairo_surface_ptr image_surface(
cairo_image_surface_create(CAIRO_FORMAT_ARGB32,req.width(),req.height()),
mapnik::cairo_surface_closer());
mapnik::cairo_ptr image_context = (mapnik::create_context(image_surface));
mapnik::cairo_renderer<mapnik::cairo_ptr> png_render(m,req,image_context,scale_factor);
png_render.apply();
//cairo_surface_write_to_png(&*image_surface, expected_cairo.c_str());
std::string actual_cairo("/tmp/map-request-marker-text-line-actual4.png");
cairo_surface_write_to_png(&*image_surface, actual_cairo.c_str());
BOOST_TEST(compare_images(actual_cairo,expected_cairo));
#endif
// TODO - test grid_renderer
} catch (std::exception const& ex) {
std::clog << ex.what() << "\n";
}
*/
if (!::boost::detail::test_errors()) {
if (quiet) std::clog << "\x1b[1;32m.\x1b[0m";
else std::clog << "C++ Map Request rendering hook: \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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