Grx.query_pnm_file

function query_pnm_file(filename: String): [ok: Boolean, format: Grx.PnmFormat, width: Number(gint), height: Number(gint), maxval: Number(gint)] {
    // Gjs wrapper for grx_query_pnm_file()
}
  

Query format, width and height data from a PNM file

filename

Name of pnm file

ok

true on success, otherwise false

format

the Grx.PnmFormat of the file

width

return pnm width

height

return pnm height

maxval

max color component value