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#include <mbgl/map/map.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/default_styles.hpp>
#include <mbgl/gl/headless_frontend.hpp>
#include <mbgl/util/default_thread_pool.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/style/style.hpp>
#include <cstdlib>
#include <iostream>
#include <fstream>
int main(int argc, char *argv[]) {
std::string style = mbgl::util::default_styles::streets.url;
const double lat = 0;
const double lon = 0;
const double zoom = 0;
const double bearing = 0;
const double pitch = 0;
const double pixelRatio = 1;
const uint32_t width = 512;
const uint32_t height = 512;
const std::string output = "out.png";
const std::string cache = "cache.sqlite";
const std::string asset = ".";
const char* tokenEnv = getenv("MAPBOX_ACCESS_TOKEN");
const std::string token = tokenEnv ? tokenEnv : std::string();
using namespace mbgl;
util::RunLoop loop;
DefaultFileSource fileSource(cache, asset);
// Set access token if present
if (token.size()) {
fileSource.setAccessToken(std::string(token));
}
ThreadPool threadPool(4);
HeadlessFrontend frontend({ width, height }, pixelRatio, fileSource, threadPool);
Map map(frontend, MapObserver::nullObserver(), frontend.getSize(), pixelRatio, fileSource, threadPool, MapMode::Static);
if (style.find("://") == std::string::npos) {
style = std::string("file://") + style;
}
map.getStyle().loadURL(style);
map.setLatLngZoom({ lat, lon }, zoom);
map.setBearing(bearing);
map.setPitch(pitch);
try {
std::ofstream out(output, std::ios::binary);
out << encodePNG(frontend.render(map));
out.close();
} catch(std::exception& e) {
std::cout << "Error: " << e.what() << std::endl;
exit(1);
}
return 0;
}
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