diff options
Diffstat (limited to 'Master/texmf-dist/dvips/pst-text')
-rw-r--r-- | Master/texmf-dist/dvips/pst-text/pst-text.pro | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/Master/texmf-dist/dvips/pst-text/pst-text.pro b/Master/texmf-dist/dvips/pst-text/pst-text.pro new file mode 100644 index 00000000000..99e705b2205 --- /dev/null +++ b/Master/texmf-dist/dvips/pst-text/pst-text.pro @@ -0,0 +1,110 @@ +%! +% PostScript header file pst-text.pro +% Version 1.0, 2005-11-29 (hv) +% For distribution, see pstricks.tex. + +/tx@TextPathDict 40 dict def +tx@TextPathDict begin + +% Syntax: <dist> PathPosition - +% Function: Searches for position of currentpath distance <dist> from +% beginning. Sets (X,Y)=position, and Angle=tangent. +/PathPosition +{ /targetdist exch def + /pathdist 0 def + /continue true def + /X { newx } def /Y { newy } def /Angle 0 def + gsave + flattenpath + { movetoproc } { linetoproc } { } { firstx firsty linetoproc } + /pathforall load stopped { pop pop pop pop /X 0 def /Y 0 def } if + grestore +} def + +/movetoproc { continue { @movetoproc } { pop pop } ifelse } def + +/@movetoproc +{ /newy exch def /newx exch def + /firstx newx def /firsty newy def +} def + +/linetoproc { continue { @linetoproc } { pop pop } ifelse } def + +/@linetoproc { + /oldx newx def /oldy newy def + /newy exch def /newx exch def + /dx newx oldx sub def + /dy newy oldy sub def + /dist dx dup mul dy dup mul add sqrt def + /pathdist pathdist dist add def + pathdist targetdist ge + { pathdist targetdist sub dist div dup + dy mul neg newy add /Y exch def + dx mul neg newx add /X exch def + /Angle dy dx atan def + /continue false def + } if +} def + +/TextPathShow { + /String exch def + /CharCount 0 def +% hv begin 2005-11-29 1.00 +% String length +% { String CharCount 1 getinterval ShowChar +% /CharCount CharCount 1 add def + /CharSize 1 def + currentfont /FontType get 0 eq + { currentfont /FMapType get dup 2 eq exch dup 5 eq exch 9 eq or or + { /CharSize 2 def} if + } if + String length CharSize idiv + { String CharCount CharSize getinterval ShowChar + /CharCount CharCount CharSize add def +% hv end 2005-11-29 1.00 + } repeat +} def + +% Syntax: <pathlength> <position> InitTextPath - +/InitTextPath +{ gsave + currentpoint /Y exch def /X exch def + exch X Hoffset sub sub mul + Voffset Hoffset sub add + neg X add /Hoffset exch def + /Voffset Y def + grestore +} def + +/Transform +{ PathPosition + dup + Angle cos mul Y add exch + Angle sin mul neg X add exch + translate + Angle rotate +} def + +/ShowChar { + /Char exch def + gsave + Char end stringwidth + tx@TextPathDict begin + 2 div /Sy exch def 2 div /Sx exch def + +%%% MV 10-09-99 00:36 + /sc?currentpoint where {pop sc?currentpoint} {currentpoint} ifelse +% currentpoint + + Voffset sub Sy add exch + Hoffset sub Sx add + Transform + Sx neg Sy neg moveto + Char end tx@TextPathSavedShow + tx@TextPathDict begin + grestore + Sx 2 mul Sy 2 mul rmoveto +} def +% +end +% END pst-text.pro |