std::wstring buf2grid_as_string(int step, agg::grid_rendering_buffer& buf) { std::wostringstream s(L""); s << "\"grid\":["; for (unsigned y = 0; y < buf.height(); y=y+step) { agg::grid_value* row = buf.row(y); s << "\""; for (unsigned x = 0; x < buf.width(); x=x+step) { agg::grid_value val = (agg::grid_value)row[x]; if (val < 0) { s << " ";} else { s << val; } } s << "\""; if(y < buf.height()-step) { s << ","; } } s << "]"; return s.str(); }
void buf2grid(int step, agg::grid_rendering_buffer& buf) { std::ostringstream s(""); s << "{ \"grid\":\n[\n"; for (unsigned y = 0; y < buf.height(); y=y+step) { agg::grid_value* row = buf.row(y); s << "\""; for (unsigned x = 0; x < buf.width(); x=x+step) { //s << "'" << (int)row[x] << "'"; agg::grid_value val = (agg::grid_value)row[x]; if (val == 0) s << " "; else s << val; //s << (int)row[x*4]; //s << row[x]; } s << "\",\n"; } s << "]\n}"; std::clog << s.str() << "\n"; }