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Annotation of researchv10dc/630/man/src/p_man/man3/inset.3r, revision 1.1.1.1

1.1       root        1: .ds ZZ DEVELOPMENT PACKAGE
                      2: .TH INSET 3R "630 MTG"
                      3: .XE "inset()"
                      4: .SH NAME
                      5: inset \- inset a border for a Rectangle
                      6: .SH SYNOPSIS
                      7: .B #include <dmd.h>
                      8: .sp
                      9: .B Rectangle inset (r, n) 
                     10: .br
                     11: .B Rectangle r;
                     12: .br
                     13: .B int n;
                     14: .SH DESCRIPTION
                     15: The
                     16: .I inset
                     17: function returns the Rectangle:
                     18: .PP
                     19: { \fIr.origin.x+n\fR, \fIr.origin.y+n\fR, \fIr.corner.x-n\fR, \fIr.corner.y-n\fR } .
                     20: .SH EXAMPLE
                     21: The following simple program creates a clear
                     22: Rectangle
                     23: .I r
                     24: with a 5-dot wide border inside
                     25: .IR r :
                     26: .PP
                     27: .RS 3
                     28: .ft CM
                     29: .nf
                     30: #include <dmd.h>
                     31: 
                     32: Rectangle inset();
                     33: Point add();
                     34: 
                     35: main()
                     36: {
                     37:        make_border();
                     38:        request(KBD);
                     39:        wait(KBD);
                     40: }
                     41: 
                     42: make_border()
                     43: {
                     44:        Rectangle r;
                     45:        Point s;
                     46:        s.x = 100;
                     47:        s.y = 100;
                     48:        
                     49:        r.origin = add(Drect.origin, s);
                     50:        r.corner = add(r.origin, s);
                     51:        rectf(&display, r, F_STORE);
                     52:        rectf(&display, inset(r, 5), F_CLR);
                     53:        return;
                     54: }
                     55: 
                     56: .fi
                     57: .ft R
                     58: .RE
                     59: .SH SEE ALSO
                     60: structures(3R).

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