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- %
- % PostScript encapulator prolog file of the BLT "eps" canvas item.
- %
- % Copyright 1991-1997 Bell Labs Innovations for Lucent Technologies.
- %
- % Permission to use, copy, modify, and distribute this software and its
- % documentation for any purpose and without fee is hereby granted, provided
- % that the above copyright notice appear in all copies and that both that the
- % copyright notice and warranty disclaimer appear in supporting documentation,
- % and that the names of Lucent Technologies any of their entities not be used
- % in advertising or publicity pertaining to distribution of the software
- % without specific, written prior permission.
- %
- % Lucent Technologies disclaims all warranties with regard to this software,
- % including all implied warranties of merchantability and fitness. In no event
- % shall Lucent Technologies be liable for any special, indirect or
- % consequential damages or any damages whatsoever resulting from loss of use,
- % data or profits, whether in an action of contract, negligence or other
- % tortuous action, arising out of or in connection with the use or performance
- % of this software.
- %
-
- %
- % The definitions of the next two macros are from Appendix H of
- % Adobe's "PostScript Language Reference Manual" pp. 709-736.
- %
-
- % Prepare for EPS file
-
- /BeginEPSF {
- /beforeInclusionState save def
- /dictCount countdictstack def % Save the # objects in the dictionary
- /opCount count 1 sub def % Count object on operator stack
- userdict begin % Make "userdict" the current
- % dictionary
- /showpage {} def % Redefine showpage to be null
- 0 setgray
- 0 setlinecap
- 1 setlinewidth
- 0 setlinejoin
- 10 setmiterlimit
- [] 0 setdash
- newpath
- /languagellevel where {
- pop languagelevel
- 1 ne {
- false setstrokeadjust false setoverprint
- } if
- } if
- % note: no "end"
- } bind def
-
- /EndEPSF { %def
- count opCount sub {
- pop
- } repeat
- countdictstack dictCount sub {
- end % Clean up dictionary stack
- } repeat
- beforeInclusionState restore
- } bind def
-
-
- %
- % Set up a clip region based upon a bounding box (x1, y1, x2, y2).
- %
- /SetClipRegion {
- % Stack: x1 y1 x2 y2
- newpath
- 4 2 roll moveto
- 1 index 0 rlineto
- 0 exch rlineto
- neg 0 rlineto
- closepath
- clip
- newpath
- } def
-
-