Thread View: comp.lang.postscript
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Started by Jonathan Monsarrat
Sat, 29 Aug 1992 04:27
Make your icons come alive with randomness (or look stupid?)
Author: Jonathan Monsarrat
Date: Sat, 29 Aug 1992 04:27
Date: Sat, 29 Aug 1992 04:27
154 lines
4460 bytes
4460 bytes
Howdy! This is Jonathan Monsarrat coming at you from Brown University.
Here's an idea: why not make your icons come alive through the use of
randomness? Here's an example I call "the Little Wizard". Does
it make it any harder to "spot" as the icon? You decide.
Also small PS hack. Is there an obfuscated PS contest around?
-Jon
%! Obfuscated PostScript /r{repeat<267F>ge{pop}if}def/dup{pop}def/cvx{show}def
/p{translate}def/y{-1 roll exec}def{<2020202020666F6E74>dup 0 4 y putinterval
cvx 0 y}dup dup/Times-Roman<2066696E64>3 y 100<7363616C65>4 y<2020736574>3 y
90 rotate 0 -612 p 1 1.8 scale 36 144 moveto <50532020202020207B484F4E4B7D2069
66> show gsave 220 130 p {0 0 moveto 29 58 29 -45 180 arc} cvx dup 0 y -1 1
scale 0 y gsave 0.6 setgray fill grestore 2 setlinewidth stroke showpage
----------------------------------------------------------------------------
---------------- The Little Wizard ----------------------------------
%! %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% THE FOLLOWING ROUTINES ARE USED IN THE WIZARD ICON %%
%%%%%%%%%%%%%%%% - Wizard - %%%%%%%%%%%%%%%%%%%%%%%%%%%
/BIG 1073741824 def
% Gives a random number between 0 and N
% N Random random-number
/Random
{
rand BIG div mul 2 div
} bind def
/Hat
{
gsave
25 54 moveto
35 51 lineto
35 Random
15 add /x exch def % Hat tilt randomness
x 5 add 68 x 70 3 arcto pop pop pop pop
x 5 sub 68 x 2 sub 65 2 arcto pop pop pop pop
x 2 add 66 lineto
closepath
1 setlinejoin
gsave dup setgray fill grestore gsave stroke grestore
% Add the while circles
clip
.7 gt { 0 } { 1 } ifelse setgray
newpath
0 1 20
{
pop 40 Random 20 add 20 Random 50 add 1.5 0 360 arc fill
} for
grestore
} bind def
% Takes two angles for the arms.
/Clothes
{
gsave
1 setlinejoin
% Robes
25 30 moveto
25 20 20 10 17 3 curveto
30 0 40 5 50 2 curveto
38 25 34 32 36 35 curveto
% Right arm
40 Random 10 add % Right arm randomness
50 exch lineto 5 15 rlineto
currentpoint 5 70 -110 arcn
10 20 rlineto -10 -18 rlineto
40 43 lineto
26 43 lineto
22 42 lineto
% Left arm
45 Random 20 add dup dup % Left arm randomness
10 exch lineto 15 sub 10 exch lineto
10 exch lineto
-5 1 -6 -10 0 -10 rcurveto
0 -5 rlineto
closepath
% Add the while circles
gsave dup setgray fill grestore gsave stroke grestore clip
.7 gt { 0 } { 1 } ifelse setgray
newpath
0 1 50
{
pop 60 Random 10 add 50 Random 1.5 0 360 arc fill
} for
grestore
} bind def
/Face
{
gsave
% setgray
1 setgray
25 54 moveto 25 33 37 33 35 52 curveto fill
% currentgray .7 gt { 0 } { 1 } ifelse setgray
0 setgray
25 54 moveto 25 33 37 33 35 52 curveto stroke
newpath .3 setlinewidth
28 49 1 0 360 arc stroke
32 48 1 0 360 arc stroke
30 45 1 0 360 arc fill
% Whiskers
.7 gt { 0 } { 1 } ifelse setgray
0 1 10
{
25 add
0 1 5
{
pop dup 10 Random 36 add
moveto -3 Random -1 1 -3 Random 0 -5 Random rcurveto stroke
} for
pop
} for
grestore
} bind def
% draws a picture of a wizard in a 1"x1" square
/Wizard
{
newpath .5 setlinewidth
1 Random dup Clothes
Face
1 Random Hat
} bind def
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% END OF ROUTINES FOR THE WIZARD ICON
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
/in {72 mul} def
/IconDemo
{
/icon exch def
1 1 11
{
pop
1 1 8
{
0 0 moveto 72 0 lineto 72 72 lineto 0 72 lineto closepath stroke
icon cvx exec
pop 1 in 0 translate
} for
-8 in 1 in translate
} for
} bind def
/Wizard IconDemo showpage
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