Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens
 
            MSC: void far _setfillmask( unsigned char far *mask )            
                                                                                                                                                                          - prototype in graph.h                                                                                                                                            - mask =  8 by 8 bit fill mask array                                             - sets the fill mask used to fill screen regions                                 - any bit set to 1 will have the default color; any bit cleared                    to zero leaves the pixel unchanged                                             - when no fill mask is set (NULL), the default color only is used                                                                                                                                                                           
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