1 | .TH XScreenSaver 1 "12-Jun-97" "X Version 11" |
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2 | .SH NAME |
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3 | halo - draw circular patterns |
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4 | .SH SYNOPSIS |
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5 | .B halo |
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6 | [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-count \fIint\fP] [\-delay \fIusecs\fP] [\-mode seuss | ramp | random ] [\-animate] [\-colors \fIinteger\fP] [\-cycle] [\-no\-cycle] [\-cycle\-delay \fIusecs\fP] |
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7 | .SH DESCRIPTION |
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8 | The \fIhalo\fP program draws cool patterns based on circles. |
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9 | .SH OPTIONS |
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10 | .I halo |
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11 | accepts the following options: |
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12 | .TP 8 |
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13 | .B \-window |
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14 | Draw on a newly-created window. This is the default. |
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15 | .TP 8 |
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16 | .B \-root |
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17 | Draw on the root window. |
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18 | .TP 8 |
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19 | .B \-mono |
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20 | If on a color display, pretend we're on a monochrome display. |
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21 | .TP 8 |
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22 | .B \-install |
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23 | Install a private colormap for the window. |
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24 | .TP 8 |
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25 | .B \-visual \fIvisual\fP |
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26 | Specify which visual to use. Legal values are the name of a visual class, |
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27 | or the id number (decimal or hex) of a specific visual. |
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28 | .TP 8 |
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29 | .B \-count \fIinteger\fP |
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30 | How many circles to draw. Default 0, meaning random. |
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31 | .TP 8 |
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32 | .B \-mode "seuss | ramp | random" |
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33 | In \fIseuss\fP mode, alternating striped curves will be drawn. |
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34 | |
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35 | In \fIramp\fP mode, a color ramp will be drawn. |
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36 | |
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37 | \fIrandom\fP means pick the mode randomly. |
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38 | .TP 8 |
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39 | .B \-delay \fImicroseconds\fP |
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40 | How much of a delay should be introduced between steps of the animation. |
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41 | Default 100000, or about 0.1 second. |
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42 | .TP 8 |
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43 | .B \-colors \fIinteger\fP |
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44 | How many colors to use. Default 100. |
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45 | .TP 8 |
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46 | .B \-animate |
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47 | If specified, then the centerpoints of the circles will bounce around. |
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48 | Otherwise, the circles will be drawn once, erased, and a new set of |
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49 | circles will be drawn. |
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50 | .TP 8 |
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51 | .B \-cycle |
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52 | .TP 8 |
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53 | .B \-no\-cycle |
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54 | Whether to do colormap cycling. Default is to cycle. |
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55 | .TP 8 |
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56 | .B \-cycle\-delay |
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57 | Number of microseconds between shifts of the colormap; default 100000, |
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58 | or 1/10th second. |
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59 | .SH ENVIRONMENT |
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60 | .PP |
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61 | .TP 8 |
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62 | .B DISPLAY |
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63 | to get the default host and display number. |
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64 | .TP 8 |
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65 | .B XENVIRONMENT |
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66 | to get the name of a resource file that overrides the global resources |
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67 | stored in the RESOURCE_MANAGER property. |
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68 | .SH SEE ALSO |
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69 | .BR X (1), |
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70 | .BR xscreensaver (1) |
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71 | .SH COPYRIGHT |
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72 | Copyright \(co 1993 by Jamie Zawinski. Permission to use, copy, modify, |
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73 | distribute, and sell this software and its documentation for any purpose is |
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74 | hereby granted without fee, provided that the above copyright notice appear |
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75 | in all copies and that both that copyright notice and this permission notice |
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76 | appear in supporting documentation. No representations are made about the |
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77 | suitability of this software for any purpose. It is provided "as is" without |
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78 | express or implied warranty. |
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79 | .SH AUTHOR |
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80 | Jamie Zawinski <jwz@jwz.org>, 6-jul-93. |
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