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- % Copyright (C) 1993 Aladdin Enterprises. All rights reserved.
- %
- % This file is part of AFPL Ghostscript.
- %
- % AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- % distributor accepts any responsibility for the consequences of using it, or
- % for whether it serves any particular purpose or works at all, unless he or
- % she says so in writing. Refer to the Aladdin Free Public License (the
- % "License") for full details.
- %
- % Every copy of AFPL Ghostscript must include a copy of the License, normally
- % in a plain ASCII text file named PUBLIC. The License grants you the right
- % to copy, modify and redistribute AFPL Ghostscript, but only under certain
- % conditions described in the License. Among other things, the License
- % requires that the copyright notice and this notice be preserved on all
- % copies.
-
- % $Id: markpath.ps,v 1.2 2000/09/19 18:29:11 lpd Exp $
- % 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
- Delay 0 ne { flushpage } if
- } 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
-