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

1.1       root        1: .TH CANON 3R "630 MTG"
                      2: .XE "canon()"
                      3: .SH NAME 
                      4: canon \- return canonical Rectangle format from two corner Points
                      5: .SH SYNOPSIS
                      6: .B #include <dmd.h>
                      7: .sp
                      8: .B Rectangle canon (p1, p2)
                      9: .br
                     10: .B Point p1, p2;
                     11: .SH DESCRIPTION
                     12: The
                     13: .I canon
                     14: function
                     15: returns a Rectangle created from two Points \fIp1\fR and \fIp2\fR such that:
                     16: .PP
                     17: .RS
                     18: \fIr.origin.x\fR equals the minimum of \fIp1.x\fR and \fIp2.x\fR
                     19: .br
                     20: \fIr.origin.y\fR equals the minimum of \fIp1.y\fR and \fIp2.y\fR
                     21: .br
                     22: \fIr.corner.x\fR equals the maximum of \fIp1.x\fR and \fIp2.x\fR
                     23: .br
                     24: \fIr.corner.y\fR equals the maximum of \fIp1.y\fR and \fIp2.y\fR
                     25: .RE
                     26: .PP
                     27: In other words,
                     28: the rectangle defined by the two corner points,
                     29: p1 and p2, is returned in the standard format of
                     30: (upper left, lower right).
                     31: .SH EXAMPLE
                     32: Each of the following cases will yield the Rectangle.
                     33: .PP
                     34: .RS 3
                     35: .ft CM
                     36: .nf
                     37: { 0, 0, 32, 32}
                     38: 
                     39: canon( Pt(0, 32), Pt(32, 0) )
                     40: 
                     41: canon( Pt(32, 32), Pt(0, 0) )
                     42: 
                     43: canon( Pt(32, 0), Pt(0, 32) )
                     44: .fi
                     45: .ft R
                     46: .RE
                     47: .SH SEE ALSO
                     48: structures(3R).

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