<?xml version="1.0" encoding="ISO-8859-1"?>

<screensaver name="halo" _label="Halo">

  <command arg="--root"/>

  <video href="https://www.youtube.com/watch?v=K7LbfXh3LTc"/>

  <number id="delay" type="slider" arg="--delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
          low="0" high="200000" default="100000"
          convert="invert"/>

  <number id="count" type="slider" arg="--count %"
          _label="Number of circles" _low-label="Few" _high-label="Many"
           low="0" high="20" default="0"/>

  <number id="ncolors" type="slider" arg="--colors %"
            _label="Number of colors" _low-label="Two" _high-label="Many"
            low="1" high="255" default="100"/>

  <select id="mode">
    <option id="random"   _label="Random mode"/>
    <option id="seuss"    _label="Seuss mode" arg-set="--mode seuss"/>
    <option id="ramp"     _label="Ramp mode"  arg-set="--mode ramp"/>
  </select>

  <hgroup>
  <boolean id="animate" _label="Animate circles" arg-set="--animate"/>
  <boolean id="showfps" _label="Show frame rate" arg-set="--fps"/>
  </hgroup>

  <xscreensaver-updater />

  <_description>
Circular interference patterns.

https://en.wikipedia.org/wiki/Moire_pattern

Written by Jamie Zawinski; 1993.
  </_description>
</screensaver>
