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- % Copyright (C) 1993 Aladdin Enterprises. All rights reserved.
- %
- % This file is part of Ghostscript.
- %
- % Ghostscript is distributed in the hope that it will be useful, but
- % WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- % to anyone for the consequences of using it or for whether it serves any
- % particular purpose or works at all, unless he says so in writing. Refer
- % to the Ghostscript General Public License for full details.
- %
- % Everyone is granted permission to copy, modify and redistribute
- % Ghostscript, but only under the conditions described in the Ghostscript
- % General Public License. A copy of this license is supposed to have been
- % given to you along with Ghostscript so you can know your rights and
- % responsibilities. It should be in a file named COPYING. Among other
- % things, the copyright notice and this notice must be preserved on all
- % copies.
-
- % markpath.ps
- % Mark the corners of a path, drawing it slowly if desired.
-
- /Delay where { pop } { /Delay 0 def } ifelse
- /setxy0
- { currentpoint /y0 exch def /x0 exch def
- } def
- /bip
- { epsx epsy idtransform /ey exch def /ex exch def
- currentpoint ex 2 div ey 2 div rlineto currentpoint 0 ey neg rlineto
- ex neg 0 rlineto 0 ey rlineto lineto lineto
- stroke
- } def
- /dally
- { Delay { } repeat
- } def
- /movebip
- { /xs 2 index def /ys 1 index def
- gsave newpath mpmx transform moveto setxy0 bip grestore
- } def
- /linebip
- { gsave newpath x0 y0 moveto mpmx transform lineto setxy0 bip dally grestore
- } def
- /curvebip
- { gsave newpath x0 y0 moveto 5 index 5 index mpmx transform lineto bip
- 2 copy mpmx transform moveto 3 index 3 index mpmx transform lineto bip
- x0 y0 moveto
- 3 { mpmx transform 6 2 roll } repeat
- curveto setxy0 bip dally grestore
- } def
- /closebip
- { xs ys linebip
- } def
-
- /markpath % <matrix> markpath -
- { /mpmx exch def
- gsave initgraphics 9 dup dtransform grestore
- /epsy exch def /epsx exch def
- gsave 0 setlinewidth
- { movebip } { linebip } { curvebip } { closebip } pathforall
- grestore
- } def
-