gr_clrsc.gml

来自「开放源码的编译器open watcom 1.6.0版的源代码」· GML 代码 · 共 38 行

.gfunc clearscreen
.if '&lang' eq 'C' .do begin
void _FAR _clearscreen( short area );
.do end
.el .do begin
subroutine _clearscreen( area )
integer*2 area
.do end
.gfuncend
.desc begin
The &func &routine clears the indicated
.arg area
and fills it with the background color.
The
.arg area
argument must be one of the following values:
.begterm 15
.uterm GCLEARSCREEN
area is entire screen
.uterm GVIEWPORT
area is current viewport or clip region
.uterm GWINDOW
area is current text window
.endterm
.desc end
.if '&lang' eq 'C' .do begin
.return begin
The &func &routine does not return a value.
.return end
.do end
.see begin
.seelist &function. _setbkcolor _setviewport _setcliprgn _settextwindow
.see end
.grexam begin eg_clear.&langsuff
.grexam end
.class &grfun
.system