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#include "map/framework.hpp"
#include "geometry/mercator.hpp"
#include "base/string_utils.hpp"
#include "std/fstream.hpp"
#include "std/iostream.hpp"
#include "std/string.hpp"
#include "3party/gflags/src/gflags/gflags.h"
#pragma mark Define options
//----------------------------------------------------------------------------------------
DEFINE_bool(c, false, "Read places from stdin");
DEFINE_string(place, "", "Define place in format \"lat;lon;zoom\"");
DEFINE_string(outpath, "./", "Path for output files");
DEFINE_string(datapath, "", "Path to data directory");
DEFINE_string(mwmpath, "", "Path to mwm files");
DEFINE_int32(width, 480, "Resulting image width");
DEFINE_int32(height, 640, "Resulting image height");
//----------------------------------------------------------------------------------------
namespace
{
struct Place
{
double lat;
double lon;
int zoom;
int width;
int height;
};
Place ParsePlace(string const & src)
{
Place p;
try
{
strings::SimpleTokenizer token(src, ";");
p.lat = stod(*token);
p.lon = stod(*(++token));
p.zoom = static_cast<int>(stoi(*(++token)));
}
catch (exception & e)
{
cerr << "Error in [" << src << "]: " << e.what() << endl;
exit(1);
}
return p;
}
void RenderPlace(Framework & framework, Place const & place, string const & filename)
{
df::watch::FrameImage frame;
df::watch::FrameSymbols sym;
sym.m_showSearchResult = false;
// If you are interested why, look at CPUDrawer::CalculateScreen.
// It is almost UpperComfortScale but there is some magic involved.
int constexpr kMagicBaseScale = 17;
framework.DrawWatchFrame(MercatorBounds::FromLatLon(place.lat, place.lon), place.zoom - kMagicBaseScale,
place.width, place.height, sym, frame);
ofstream file(filename.c_str());
file.write(reinterpret_cast<char const *>(frame.m_data.data()), frame.m_data.size());
file.close();
}
string FilenameSeq(string const & path)
{
static size_t counter = 0;
stringstream filename;
filename << path << "mapshot" << setw(6) << setfill('0') << counter++ << ".png";
return filename.str();
}
} // namespace
int main(int argc, char * argv[])
{
google::SetUsageMessage(
"Generate screenshots of MAPS.ME maps in chosen places, specified by coordinates and zoom.");
google::ParseCommandLineFlags(&argc, &argv, true);
if (!FLAGS_c && FLAGS_place.empty())
{
cerr << "Either -c or -place must be set" << endl;
return 1;
}
if (!FLAGS_datapath.empty())
GetPlatform().SetResourceDir(FLAGS_datapath);
if (!FLAGS_mwmpath.empty())
GetPlatform().SetWritableDirForTests(FLAGS_mwmpath);
try
{
Framework f;
auto processPlace = [&](string const & place)
{
Place p = ParsePlace(place);
p.width = FLAGS_width;
p.height = FLAGS_height;
string const & filename = FilenameSeq(FLAGS_outpath);
RenderPlace(f, p, filename);
cout << "Rendering " << place << " into " << filename << " is finished." << endl;
};
// This magic constant was determined in several attempts.
// It is a scale level, basically, dpi factor. 1 means 90 or 96, it seems,
// and with 1.1 the map looks subjectively better.
f.InitWatchFrameRenderer(1.1 /* visualScale */);
if (!FLAGS_place.empty())
processPlace(FLAGS_place);
if (FLAGS_c)
{
for (string line; getline(cin, line);)
processPlace(line);
}
f.ReleaseWatchFrameRenderer();
return 0;
}
catch (exception & e)
{
cerr << e.what() << endl;
}
return 1;
}
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