165 lines
3.8 KiB
PostScript
165 lines
3.8 KiB
PostScript
%!
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% Copyright (C) 1989, 1990, 1992, 1994, 1996 Aladdin Enterprises. All rights reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: lines.ps,v 1.4 2002/02/21 21:49:28 giles Exp $
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% Test line rendering (stroke).
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% Exercise the miter limit. The left column of lines should bevel at
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% 90 degrees, the right column at 60 degrees.
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gsave
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1.8 setlinewidth
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0 setgray
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15 15 scale
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-5 5 translate
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[1.415 2.0]
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{ setmiterlimit 12 0 translate 0 0 moveto
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10 30 360
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{ gsave 5 0 rlineto rotate 2.5 0 rlineto
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gsave 0 setlinewidth 1 0 0 setrgbcolor stroke grestore
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strokepath 0 setlinewidth stroke
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grestore
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0 4 rmoveto
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} for
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} forall
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showpage
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grestore
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% Exercise all the combinations of cap and join styles
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% for one-line, two-line, and closed paths.
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gsave
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/drawlines {
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gsave
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2.0 setmiterlimit
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2.0 setlinewidth
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6 6 scale
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5 20 translate
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{0 1 2} % line cap
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{ setlinecap gsave
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{0 1 2} % line join
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{ setlinejoin gsave
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{ {currentpoint lineto}
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{3 7 lineto}
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{3 7 lineto 5 1 lineto}
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{3 7 lineto 6 3 lineto closepath}
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}
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{ gsave 0 0 moveto exec
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gsave stroke grestore
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0.5 setlinewidth 1 0 0 setrgbcolor stroke
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grestore 8 0 translate
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} forall
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grestore 35 0 translate
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} forall
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grestore 0 20 translate
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} forall
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grestore
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} def
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/xflip
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{ 8.5 72 mul 0 translate -1 1 scale
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} def
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/rot90
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{ 90 rotate 0 -9.75 72 mul translate
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} def
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/rot180
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{ rot90 rot90
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} def
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/rot270
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{ rot180 rot90
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} def
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drawlines showpage
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gsave xflip drawlines grestore showpage
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gsave rot90 drawlines grestore showpage
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gsave rot90 xflip drawlines grestore showpage
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gsave drawlines rot180 showpage
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gsave rot180 xflip drawlines grestore showpage
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gsave rot270 drawlines grestore showpage
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gsave rot270 xflip drawlines grestore showpage
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grestore
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% Here are some boundary conditions, contributed by Mark Rawling.
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gsave
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1 setlinecap
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2.6 setmiterlimit
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3.0 setlinewidth
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5 5 scale
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10 20 translate
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% [ 0.5 sqrt dup dup dup neg exch 0 0 ] concat % 45 rotate
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{0 1 2} % line join
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{
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setlinejoin gsave
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0 0 moveto 0 10 lineto 10 0 lineto gsave stroke grestore
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15 0 translate
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0 0 moveto 0 10 lineto 10 20 lineto gsave stroke grestore
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15 0 translate
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10 0 moveto 10 10 lineto 0 20 lineto gsave stroke grestore
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15 0 translate
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10 0 moveto 10 10 lineto 0 0 lineto gsave stroke grestore
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grestore
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gsave
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0 20 translate
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0 20 moveto 0 10 lineto 10 20 lineto gsave stroke grestore
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15 0 translate
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0 20 moveto 0 10 lineto 10 0 lineto gsave stroke grestore
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15 0 translate
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10 20 moveto 10 10 lineto 0 0 lineto gsave stroke grestore
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15 0 translate
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10 20 moveto 10 10 lineto 0 20 lineto gsave stroke grestore
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grestore 60 0 translate
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} forall
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showpage
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grestore
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% Test narrow lines at a variety of angles.
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gsave
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/rad 120 def
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/ray { gsave rotate 0 0 moveto rad 0 rlineto stroke grestore } def
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/star
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{ newpath gsave
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gsave 0.5 setgray 0 0 rad 0 360 arc stroke grestore
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0 90 359
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{ rotate
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0 3 14 { ray } for
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15 15 89 { ray } for
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} for
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grestore
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} def
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0 setgray
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150 150 translate
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[ [ 0 0.5 1 ] [ 1.5 2 2.5 ] [ 3 3.5 4 ] ]
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{ gsave
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{ setlinewidth star
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250 0 translate
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} forall
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grestore 0 250 translate
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} forall
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grestore showpage
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% End
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quit
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