Grx.Context.prototype.save_to_pgm

function save_to_pgm(filename: String, comment: String): Boolean {
    // Gjs wrapper for grx_context_save_to_pgm()
}
  

Dump a context in a PGM file (gray scale)

This routine works both in RGB and palette modes The colors are quantized to gray scale using .299r + .587g + .114b

filename

Name of pgm file

comment

string saved like a comment in the pgm file

Returns

true on success, otherwise false