addpt(2): document badrect function

This commit is contained in:
ftrvxmtrx 2015-06-09 23:34:36 +02:00
parent e77002cdab
commit 2c505c160e

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@ -54,6 +54,9 @@ int rectclip(Rectangle *rp, Rectangle b)
void combinerect(Rectangle *rp, Rectangle b)
.PP
.B
int badrect(Rectangle r)
.PP
.B
int Dx(Rectangle r)
.PP
.B
@ -176,6 +179,12 @@ with the smallest rectangle sufficient to cover all the pixels of
and
.BR b .
.PP
.I Badrect
returns 1 if
.I r
is zero, negative size or insanely huge rectangle.
It returns 0 otherwise.
.PP
The functions
.I Dx
and