Grx.Context.save_to_pgm

@accepts(Grx.Context, filename, unicode)
@returns(bool)
def save_to_pgm(self, filename, comment):
    # Python 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

self

Context to be saved or None to use the global context

filename

Name of pgm file

comment

string saved like a comment in the pgm file

Returns