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- % Copyright (C) 1993 Aladdin Enterprises. All rights reserved.
- %
- % This file is part of Aladdin Ghostscript.
- %
- % Aladdin 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 Ghostscript Free Public
- % License (the "License") for full details.
- %
- % Every copy of Aladdin 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 Aladdin 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.
-
- % 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
-