文件操作 - ppath.ps
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文件: /usr/share/ghostscript/lib/ppath.ps
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% Copyright (C) 2001-2019 Artifex Software, Inc. % All Rights Reserved. % % This software is provided AS-IS with no warranty, either express or % implied. % % This software is distributed under license and may not be copied, % modified or distributed except as expressly authorized under the terms % of the license contained in the file LICENSE in this distribution. % % Refer to licensing information at http://www.artifex.com or contact % Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, % CA 94945, U.S.A., +1(415)492-9861, for further information. % % Redefine pathforall for tracing. % Can't be used recursively. /# {( )print} def /-mat matrix def /-imat matrix def /-smat { //-mat currentmatrix pop //-imat setmatrix } bind def /-rmat { //-mat setmatrix } bind def /-pathforall /pathforall load def /-p2 { ( ) print exch =only ( ) print =only } bind def /-dp2 { 2 copy -p2 2 { exch 4096 mul dup cvi dup ( ) print =only sub dup 0 eq { pop } { (+) print =only } ifelse } repeat } bind def /-tp2 { //-mat itransform -p2 } bind def /-dict 5 dict def /pathforall { -dict begin /-close exch def /-curve exch def /-line exch def /-move exch def end -smat -mat ==only ( setmatrix) = {2 copy -tp2 ( moveto\t%)print 2 copy -dp2 (\n)print flush -dict /-move get -rmat exec -smat} {2 copy -tp2 ( lineto\t%)print 2 copy -dp2 (\n)print flush -dict /-line get -rmat exec -smat} {5 index 5 index -tp2 3 index 3 index -tp2 2 copy -tp2 ( curveto\t%)print 5 index 5 index -dp2 3 index 3 index -dp2 2 copy -dp2 (\n)print flush -dict /-curve get -rmat exec -smat} {(closepath\n)print flush -dict /-close get -rmat exec -smat} -pathforall -rmat } def % Just print the current path /printpath { {pop pop} {pop pop} {pop pop pop pop pop pop} {} pathforall } def
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