[\-display \fIhost:display.screen\fP]
[\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root]
[\-mono] [\-install] [\-visual \fIvisual\fP] [\-bitmap \fIfilename\fP]
-[\-delay \fIusecs\fP] [\-delay2 \fIusecs\fP]
+[\-delay \fIusecs\fP] [\-delay2 \fIusecs\fP] [\-duration \fIsecs\fP]
.SH DESCRIPTION
The \fIblitspin\fP program repeatedly rotates a bitmap by 90 degrees by
using logical operations: the bitmap is divided into quadrants, and the
see
.BR xscreensaver-demo (1)
for more details.
-.PP
.TP 8
.B \-delay \fImicroseconds\fP
How long to delay between steps of the rotation process, in microseconds.
Default is 500000, one-half second.
-.PP
+.TP 8
+.B \-duration \fIseconds\fP
+How long to run before loading a new image. Default 120 seconds.
.TP 8
.B \-delay2 \fImicroseconds\fP
How long to delay between each 90-degree rotation, in microseconds.
Default is 500000, one-half second.
.B DISPLAY
to get the default host and display number.
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.B XENVIRONMENT
to get the name of a resource file that overrides the global resources