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void GBitmap::set_grays ( int  grays  ) 

Sets the number of gray levels without changing the pixels. Argument grays# must be in range #2# to #256#.

Definition at line 474 of file GBitmap.cpp.

References monitor(), and uncompress().

Referenced by change_grays(), rotate(), and GBitmapScaler::scale().

  if (ngrays<2 || ngrays>256)
    G_THROW( ERR_MSG("GBitmap.bad_levels") );
  // set gray levels
  GMonitorLock lock(monitor());
  grays = ngrays;
  if (ngrays>2 && !bytes)

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