mapnik::grid::value_type get_pixel(mapnik::grid const& grid, int x, int y)
{
if (x < static_cast<int>(grid.width()) && y < static_cast<int>(grid.height()))
{
mapnik::grid::data_type const & data = grid.data();
return data(x,y);
}
PyErr_SetString(PyExc_IndexError, "invalid x,y for grid dimensions");
boost::python::throw_error_already_set();
return 0;
}
int get_pixel(mapnik::grid const& grid, int x, int y)
{
if (x < static_cast<int>(grid.width()) && y < static_cast<int>(grid.height()))
{
mapnik::grid::value_type const * row = grid.getRow(y);
mapnik::grid::value_type const pixel = row[x];
return pixel;
}
PyErr_SetString(PyExc_IndexError, "invalid x,y for grid dimensions");
boost::python::throw_error_already_set();
return 0;
}