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+<?xml version="1.0" encoding="ISO-8859-1"?>
+
+<screensaver name="blitspin" _label="BlitSpin">
+
+ <command arg="-root"/>
+
+ <video href="https://www.youtube.com/watch?v=UTtcwb-UWW8"/>
+
+ <hgroup>
+ <vgroup>
+ <number id="delay" type="slider" arg="-delay %"
+ _label="Fuzzy rotation speed" _low-label="Slow" _high-label="Fast"
+ low="1" high="800000" default="500000"
+ convert="invert"/>
+
+ <number id="delay2" type="slider" arg="-delay2 %"
+ _label="90 degree rotation speed" _low-label="Slow" _high-label="Fast"
+ low="1" high="800000" default="500000"
+ convert="invert"/>
+
+ <number id="duration" type="slider" arg="-duration %"
+ _label="Duration" _low-label="10 seconds" _high-label="10 minutes"
+ low="10" high="600" default="120"/>
+ </vgroup>
+
+ <vgroup>
+ <!-- <file id="bitmap" _label="Bitmap to rotate" arg="-bitmap %"/> -->
+ <xscreensaver-image />
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ </vgroup>
+ </hgroup>
+
+ <xscreensaver-updater />
+
+ <_description>
+
+Repeatedly rotates a bitmap by 90 degrees by using logical operations:
+the bitmap is divided into quadrants, and the quadrants are shifted
+clockwise. Then the same thing is done again with progressively
+smaller quadrants, except that all sub-quadrants of a given size are
+rotated in parallel. As you watch it, the image appears to dissolve
+into static and then reconstitute itself, but rotated.
+
+Written by Jamie Zawinski; 1992.
+ </_description>
+</screensaver>