%!
% ** Copyright (C) 1989, 1990, 1992, 1994 by Aladdin Enterprises. **
% ** All rights reserved. **

% Test line rendering (stroke).

% Exercise the miter limit.  The left column of lines should bevel at
% 90 degrees, the right column at 60 degrees.

gsave
1.8 setlinewidth
0 setgray
15 15 scale
-5 5 translate
[1.415 2.0]
 { setmiterlimit 12 0 translate 0 0 moveto
   10 30 360
    { gsave 5 0 rlineto rotate 2.5 0 rlineto
      gsave 0 setlinewidth 1 0 0 setrgbcolor stroke grestore
      strokepath 0 setlinewidth stroke
      grestore
      0 4 rmoveto
    } for
 } forall

showpage
grestore

% Exercise all the combinations of cap and join styles
% for one-line, two-line, and closed paths.

gsave
2.0 setmiterlimit
2.0 setlinewidth
6 6 scale

5 20 translate
{0 1 2}				% line cap
 { setlinecap gsave
   {0 1 2}			% line join
    { setlinejoin gsave
      { {3 7 lineto}
	{3 7 lineto 5 1 lineto}
	{3 7 lineto 5 3 lineto closepath}
      }
       { gsave 0 0 moveto exec
         gsave stroke grestore
	 0.5 setlinewidth 1 0 0 setrgbcolor stroke
	 grestore 10 0 translate
       } forall
      grestore 35 0 translate
    } forall
   grestore 0 20 translate
 } forall

showpage
grestore

% Here are some boundary conditions, contributed by Mark Rawling.

gsave
1 setlinecap
2.6 setmiterlimit
3.0 setlinewidth

5 5 scale
10 20 translate

% [ 0.5 sqrt dup dup dup neg exch 0 0 ] concat	% 45 rotate

{0 1 2}                        % line join
{
    setlinejoin gsave
    0 0 moveto 0 10 lineto 10 0 lineto gsave stroke grestore
    15 0 translate
    0 0 moveto 0 10 lineto 10 20 lineto gsave stroke grestore
    15 0 translate
    10 0 moveto 10 10 lineto 0 20 lineto gsave stroke grestore
    15 0 translate
    10 0 moveto 10 10 lineto 0 0 lineto gsave stroke grestore
    grestore
    gsave
    0 20 translate
    0 20 moveto 0 10 lineto 10 20 lineto gsave stroke grestore
    15 0 translate
    0 20 moveto 0 10 lineto 10 0 lineto gsave stroke grestore
    15 0 translate
    10 20 moveto 10 10 lineto 0 0 lineto gsave stroke grestore
    15 0 translate
    10 20 moveto 10 10 lineto 0 20 lineto gsave stroke grestore
    grestore 60 0 translate
} forall

showpage
grestore

% Test narrow lines at a variety of angles.

gsave

/rad 120 def
/ray { gsave rotate 0 0 moveto rad 0 rlineto stroke grestore } def
/star
 { newpath gsave
   gsave 0.5 setgray 0 0 rad 0 360 arc stroke grestore
   0 90 359
    { rotate 
      0 3 14 { ray } for
      15 15 89 { ray } for
    } for
   grestore
 } def

0 setgray
150 150 translate
[ [ 0 0.5 1 ] [ 1.5 2 2.5 ] [ 3 3.5 4 ] ]
 { gsave
    { setlinewidth star
      250 0 translate
    } forall
   grestore 0 250 translate
 } forall

grestore showpage

% End

quit