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author | Karl Berry <karl@freefriends.org> | 2006-01-11 23:49:28 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2006-01-11 23:49:28 +0000 |
commit | d780c57e68c80655669a3b01af46b9978f5698ef (patch) | |
tree | 7eb9b6d2291e813296b41ae01eb7872442b78e9d /Master/texmf-dist/source/generic/xypic/xytpic.doc | |
parent | 465c3a91c12b03e3e44ed760e4356fa340f830b8 (diff) |
trunk/Master/texmf-dist/source/generic
git-svn-id: svn://tug.org/texlive/trunk@115 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source/generic/xypic/xytpic.doc')
-rw-r--r-- | Master/texmf-dist/source/generic/xypic/xytpic.doc | 472 |
1 files changed, 472 insertions, 0 deletions
diff --git a/Master/texmf-dist/source/generic/xypic/xytpic.doc b/Master/texmf-dist/source/generic/xypic/xytpic.doc new file mode 100644 index 00000000000..02cddcb977f --- /dev/null +++ b/Master/texmf-dist/source/generic/xypic/xytpic.doc @@ -0,0 +1,472 @@ +%% $Id: xytpic.doc,v 3.3 1996/12/18 09:50:38 ross Exp $ +%% +%% Xy-pic ``tpic'' TPIC backend, for lines, curves and fills. +%% Copyright (c) 1995-1996 Ross Moore <ross@mpce.mq.edu.au> +%% +%% This file is part of the Xy-pic package for graphs and diagrams in TeX. +%% See the companion README and INSTALL files for further information. +%% Copyright (c) 1991-1996 Kristoffer H. Rose <krisrose@brics.dk> +%% +%% The Xy-pic package is free software; you can redistribute it and/or modify +%% it under the terms of the GNU General Public License as published by the +%% Free Software Foundation; either version 2 of the License, or (at your +%% option) any later version. +%% +%% The Xy-pic package is distributed in the hope that it will be useful, but +%% WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +%% or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +%% for more details. +%% +%% You should have received a copy of the GNU General Public License along +%% with this package; if not, write to the Free Software Foundation, Inc., +%% 675 Mass Ave, Cambridge, MA 02139, USA. +%% +\ifx\xyloaded\undefined \input xy \fi + +\xyprovide{tpic}{TPIC backend}{\stripRCS$Revision: 3.3 $}% + {Ross Moore}{ross@mpce.mq.edu.au}% + {Mathematics Department, Macquarie University, NSW~2109, Australia} + +\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\ifx\undefined\TPIC \def\TPIC{{\smc tpic}}\fi +This option allows the \Xy-pic fonts to be replaced by \TPIC\ |\special|s, +when used with a dvi-driver capable of supporting them. Extra capabilities +include smoother lines, evenly spaced dotted/dashed curves, variable +line-widths, gray-scale fills of circles, ellipses and polygonal regions. + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +\paragraph*{Header:}\leavevmode +\DOCHEADER +\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +Use of \TPIC\ |\special|s offers an alternative to the \Xy-pic fonts. However +they require a dvi-driver that is capable of recognizing and interpreting +them. One such viewer is |xdvik|, Karl Berry's modification to the |xdvi| +viewer on \unix\ systems running X-windows or a derivative. |dvipsk|, Karl +Berry's modification to |dvips| also handles \TPIC\ |\special|s, so +|xdvik|/|dvipsk| is an good combination for quality screen-display and +\PS\ printing. + +Once loaded using |\xyoption{tpic}|, with an appropriate <driver> also +specified either already or subsequently, the following commands are +available to turn the \TPIC\ backend off/on. +% +\begin{defs} +|\NoTPICspecials| & turns off \TPIC\ specials.\kern-50pt\cr +|\UseTPICspecials| & reinstates \TPIC\ specials.\kern-30pt +\end{defs} + +\DOCMODE( +\xynew@{if}\ifTPICspecials@ +\xydef@\UseTPICspecials{\TPICspecials@true} +\xydef@\NoTPICspecials{\TPICspecials@false} +\DOCMODE) + +\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +There is a limit to the number of points allowable in a path. For paths +constructed by \Xy-pic, which includes spline curves, when the limit +is reached the path is automatically flushed and a new path commenced. +The following command can be used to customise this limit---initially +set at $300$ for use with \xdvi---to suit alternative <driver>s. +% +\begin{defs} +|\maxTPICpoints{|<num>|}| & set maximum for paths +\end{defs} + +\DOCMODE( +\xynew@{count}\xytpic@cnt +\xydef@\xytpic@max{300} +\xydef@\maxTPICpoints#1{\count@=#1 \relax + \ifnum\count@>\tw@ \edef\xytpic@max{\the\count@}% + \else\expandafter\xyTPICmaxwarning@\expandafter{\the\count@}\fi} +\xydef@\xyTPICmaxwarning@#1{max points must be at least 2, #1 invalid} +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +Each object involving \TPIC\ |\special|s must set the style, using +|\xytpic@set@| to store a macro as the expansion of |\xytpic@style@@|. +Currently this is global, since a \TPIC\ object must be completed once +it has been started --- perhaps this is not necessary. + +Note that |\xytpic@set@| uses |\xdef|, but has a |\noexpand| in its +expansion; this forces expansion of the argument, when there is one, +to the control sequence passed as the first token following |\xytpic@set@|. + +\DOCMODE( +\xydef@\xytpic@style@@{\xytpic@fp} +\xydef@\xytpic@reset@{\gdef\xytpic@style@@{\xytpic@fp}% + \global\xytpic@cnt=\z@ } +\xydef@\xytpic@set@#1{\xdef\xytpic@style@@{\noexpand#1}} +\DOCMODE) + +Here are the actual |\specials| that get placed in the dvi-file. + +\DOCMODE( +\xydef@\xytpic@pn#1{\xyTPIC@special{pn #1}} +\xydef@\xytpic@pa#1#2{\global\advance\xytpic@cnt\@ne\relax + \ifnum\xytpic@cnt=\xytpic@max\relax \xyTPIC@special{pa #1 #2}% + \kern-\X@c\raise-\Y@c\hbox{\xytpic@style@@}\kern\X@c +% \xytpic@ip + \global\xytpic@cnt=\@ne \relax\fi \xyTPIC@special{pa #1 #2}} +\xydef@\xytpic@fp{\xyTPIC@special{fp}} +\xydef@\xytpic@ip{\xyTPIC@special{ip}} +\xydef@\xytpic@da#1{\xyTPIC@special{da #1}} +\xydef@\xytpic@dt#1{\xyTPIC@special{dt #1}} +\xydef@\xytpic@sp#1{\xyTPIC@special{sp #1}} +\xydef@\xytpic@ar#1#2#3#4#5#6{\xyTPIC@special{ar #1 #2 #3 #4 #5 #6}} +\xydef@\xytpic@ia#1#2#3#4#5#6{\xyTPIC@special{ia #1 #2 #3 #4 #5 #6}} +\xydef@\xytpic@sh#1{\xyTPIC@special{sh #1}} +%\xydef@\xytpic@psb#1{\xyTPIC@special{:[begin] #1}} +%\xydef@\xytpic@pse#1{\xyTPIC@special{:[end]}} +% +\xydef@\xytpic@wh{\xyTPIC@special{sh 0}} % obsolete +\xydef@\xytpic@bk{\xyTPIC@special{sh 1}} % obsolete + +\xydef@\xyTPIC@special#1{\special{#1}} +\xydef@\xyTPIC@noisy#1{\W@{TPIC: #1}\special{#1}} +\xydef@\NoisyTPIC{\let\xyTPIC@special=\xyTPIC@noisy} +\DOCMODE) + +Some effects may require a \TPIC\ |\special| to be placed both +before and after the <object>. + +\DOCMODE( +\xydef@\xyTPICsplit@#1#2{\setboxz@h{#1\boxz@#2}}% +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\TPIC\ uses units of `milli-inches' for coordinates, +but inches for dot-separations and dash-length. + +\DOCMODE( +\xydef@\xytpic@pt#1{\dimen@=#1\divide\dimen@ by72 % + \multiply\dimen@ by 1000 \advance\dimen@.5\p@ + \count@=\dimen@ \divide\count@\p@ } +\xydef@\xytpic@in#1{\dimen@=#1\divide\dimen@ by72 % + \edef\next@{\expandafter\removePT@\the\dimen@}}% +\DOCMODE) + +The \TPIC\ location is calculated relative to the current \TeX\ reference +point. Hence most \TPIC\ objects start at the $(0,0)$ location. + +\DOCMODE( +\xydef@\xytpic@dot@@{\xytpic@pa00} +\xydef@\xytpic@width@{\xytpic@pt{\xylinethick@}% + \expandafter\xytpic@pn\expandafter{\the\count@}} +%\xylet@\xytpic@width@=\relax + +\xydef@\xytpic@line{% + \xytpic@dot@@ \xytpic@pt{-\d@X}\count@@=\count@ + \xytpic@pt\d@Y \edef\next@{{\the\count@@}{\the\count@}}% + \expandafter\xytpic@pa\next@ \xytpic@style@@ \xytpic@reset@ } + +\xydef@\xytpic@solid@@{\xytpic@set@\xytpic@fp} +\xydef@\xytpic@dashed@@{\xytpic@in\xydashl@ \xytpic@dad} +\xydef@\xytpic@dotted@@{\dimen@=.5\xydashl@ \xytpic@in\dimen@ \xytpic@dtd} +\xydef@\xytpic@dad{\expandafter\xytpic@set@\expandafter{% + \expandafter\xytpic@da\expandafter{\next@}}} +\xydef@\xytpic@dtd{\expandafter\xytpic@set@\expandafter{% + \expandafter\xytpic@dt\expandafter{\next@}}} + +\xydef@\xytpic@polysolid@{\xytpic@set@\xytpic@fp} +\xydef@\xytpic@polydashed@#1{\count@=#1 \xytpic@dad} +\xydef@\xytpic@polydotted@#1{\count@=#1 \xytpic@dtd} +\xydef@\xytpic@postpoly@{\xytpic@style@@ \xytpic@reset@} +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{re-bindings} + +This is similar to the mechanism used by the \PS\ back-end to rebind +``hooks'' to incorporate a switch according to the current value of +|\ifTPICspecials@|. + +\DOCMODE( +\xydef@\TPICalternative@#1#2{% +\expandafter\global\expandafter\let\csname origxy#2@\endcsname=#1% + \xdef#1{\noexpand\ifTPICspecials@ + \noexpand\expandafter\expandafter\noexpand\csname xytpic@#2@\endcsname + \noexpand\else + \noexpand\expandafter\expandafter\noexpand\csname origxy#2@\endcsname + \noexpand\fi}}% +\DOCMODE) + +Allow only one instance of |\setupxyTPIC@|; thereafter simply do +|\reloadxyTPIC@| to turn on anything that has been turned off. + +\DOCMODE( +\xydef@\setupxyTPIC@{\xywarning@{using TPIC specials}% + \TPICalternative@{\solid@}{solid}% + \TPICalternative@{\dash@}{dashed}% + \TPICalternative@{\point@}{point}% + \TPICalternative@{\circhar@@}{circhar}% + \TPICalternative@{\splinesolid@}{splinesolid}% +% \TPICalternative@{\splinedashed@}{splinedashed}% +% \TPICalternative@{\splinedotted@}{splinedotted}% + \xywithoption{frame}{\xyinputorelse@{xytp-f}{}\xyuncatcodes}% + \let\setupxyTPIC@=\reloadxyTPIC@ + \activateTPIC@ } + +\xydef@\xyunloadTPIC@{\xywarning@{TPIC specials turned off}% + \xywithoption{curve}{\xysetup@@\uninstallTPICcurves@ }% + \xywithoption{line}{\xysetup@@\uninstallTPICline@ }% + \xywithoption{frame}{\xysetup@@\uninstallTPICframes@ }% + \TPICspecials@false + \let\setupxyTPIC@=\reloadxyTPIC@ } + +\xydef@\activateTPIC@{% + \xywithoption{line}{\xysetup@@\installTPICline@}% + \xywithoption{curve}{\xysetup@@\installTPICcurves@}% + \xywithoption{frame}{\xysetup@@\installTPICframes@}% + \TPICspecials@true } + +\xydef@\reloadxyTPIC@{\xywarning@{TPIC specials back on}\activateTPIC@ } +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{straight lines} + +\DOCMODE( +\xydef@\xytpic@solid@{% + \ifInvisible@ \let\next@=\no@@ + \else \DN@{\xyTPICstraight@{\xytpic@solid@@ \xytpic@line}}\fi + \next@ } + +\xydef@\xytpic@dashed@{\line@ + \def\Connect@@{\xyTPICstraight@{\xytpic@dashed@@ \xytpic@line}}} + +\xydef@\xytpic@point@{\xytpic@dot@@\xytpic@fp\egroup + \Invisible@false \Hidden@false \def\Leftness@{.5}\def\Upness@{.5}\ctipEdge@ + \def\Drop@@{\styledboxz@}% + \def\Connect@@{\xyTPICstraight@{\xytpic@dotted@@ \xytpic@line}}} + +\xydef@\xyTPICstraight@#1{\setupDirection@ + \edef\Creset@@{\cfromthec@ \pfromthep@ \DirectionfromtheDirection@}% + \DN@##1##2{\def\checkoverlap@@{% + \ifdim##1\X@p>##1\X@c \let\next@=\relax \fi + \ifdim##2\Y@p>##2\Y@c \let\next@=\relax \fi}}% + \edef\nextii@{{\sd@X}{\sd@Y}}\expandafter\next@\nextii@ + \noCshavep@@ \edef\Cshavep@@{\pfromthep@ \noexpand\resetDirection@}% + \noCshavec@@ \edef\Cshavec@@{\cfromthec@ \noexpand\resetDirection@}% + \ifHidden@\else + \ifdim\Y@c>\Y@max \Y@max=\Y@c \fi \ifdim\Y@p>\Y@max \Y@max=\Y@p \fi + \ifdim\Y@c<\Y@min \Y@min=\Y@c \fi \ifdim\Y@p<\Y@min \Y@min=\Y@p \fi + \ifdim\X@c>\X@max \X@max=\X@c \fi \ifdim\X@p>\X@max \X@max=\X@p \fi + \ifdim\X@c<\X@min \X@min=\X@c \fi \ifdim\X@p<\X@min \X@min=\X@p \fi \fi + \ifInvisible@\let\next@=\relax \else + \DN@{\setboxz@h{\kern\X@c \raise\Y@c\hbox{#1}}% + \ht\z@=\z@ \wd\z@=\z@ \dp\z@=\z@ {\Drop@@}}% + \fi + \checkoverlap@@ + \ifdim\d@X=\z@ \ifdim\d@Y=\z@ \DN@{\relax}\fi\fi \next@ + \def\Cslidep@@{\noCslidep@@}\def\Cslidec@@{\noCslidec@@}% + \def\Calong@@{\noCalong@@}\Creset@@ } +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{spline curves} + +\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\noindent +Of the curves defined in the |xycurve| extension, only solid spline curves +are supported. This is done by treating the spline as a polygon (poly-line) +with many segments. The dotted or dashed variants do not work correctly. + +Implementations of \TPIC\ draw dashed polygons such that the start and +finish of each segment is solid. Since these segments can be very short, +the effect is simply to create a solid line. Similarly the shortness of the +segments tends to give nothing at all for large portions of a dotted curve. +What is needed is an implementation whereby the on/off nature of a dashed +or dotted polygon is determined by the accumulated length, not the length +along just the current segment. + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\DOCMODE( +\xydef@\xytpic@splinesolid@{\xyTPICspline@\xytpic@fp } +\xydef@\xytpic@splinedashed@{\xytpic@in\xydashl@\expandafter\xyTPICspline@ + \expandafter{\expandafter\xytpic@da\expandafter{\next@}}} +\xydef@\xytpic@splinedotted@{\xytpic@in{.5\xydashl@}\expandafter\xyTPICspline@ + \expandafter{\expandafter\xytpic@dt\expandafter{\next@}}} + +\xydef@\xyTPICspline@#1{\setbox\splinebox@=\copy\voidb@x %\zerodot + \SloppyCurves %\splinetol@=\xydashl@ % \xytpic@ip + \global\xytpic@cnt=\@ne \xytpic@set@{#1}% + \def\splineextra@@{\xyTPICspline@dot}% + \def\xycrvdrop@{ }\def\xycrvconn@{}\splineset@@ \xytpic@style@@} + +\xydef@\xyTPICspline@dot{\xytpic@pt{\X@c}\count@@=\count@ + \xytpic@pt{-\Y@c}\edef\next@{{\the\count@@}{\the\count@}}% + \expandafter\xytpic@pa\next@ } +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{line width} + +\DOCMODE( +\xydef@\xyTPIClinewidth@#1{\xytpic@pt{#1}\edef\next@{\the\count@}} + +\xydef@\installTPICline@{% + \let\xylinewidth@@=\xylinewidth@ + \let\xylineSpecial@@=\xytpic@pn + \let\transxyline@@=\xyTPIClinewidth@ } + +\xydef@\uninstallTPICline@{\UnloadLine@}% +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{circles and ellipses} + +Here we catch circles and ellipses specified using the |\xycircle| command +from the |xycurve| extension. Since TPIC supports only solid circles, +we catch it only when the <style> is either |{}| or |{-}|. + +\DOCMODE( +\xydef@\xydoTPICcircle@#1{\DN@{#1}% + \ifx\next@\empty\DN@{\xyTPICfullcircle@}% + \else\expandafter\DNii@\expandafter{\addDASH@{}}% + \ifx\next@\nextii@\DN@{\L@=\R@ \xyTPICfullcircle@}% + \else\DN@{\dosolidcircle@{#1}}\fi\fi \next@ } + +\xydef@\xyTPICfullcircle@{\xyTPICpartcircle@{00}0\twoPi@}% + +\xydef@\xyTPICpartcircle@#1#2#3{% + \xytpic@pt{\R@}\expandafter\DNii@\expandafter{\the\count@}% + \xytpic@pt{\L@}\edef\next@{#1{\nextii@}{\the\count@}{#2}{#3}}% + \expandafter\xytpic@ar\next@ } + +\xydef@\qartPi@{0.7853981} +\xydef@\tartPi@{2.3561944} +\DOCMODE) + +This replaces just the font character, called using |\circhar@@#1|. + +\DOCMODE( +\xydef@\xytpic@circhar@#1{\xytpic@width@\ifcase#1% + \xytpic@pt{\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{\tartPi@}{\fullPi@}\kern\partroottwo\R@ + \or + \xytpic@pt{\halfroottwo\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{\halfPi@}{\tartPi@}\kern\halfroottwo\R@ + \or + \xytpic@pt{\z@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{\qartPi@}{\halfPi@}\kern\halfroottwo\R@ + \or + \xytpic@pt{-\halfroottwo\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@0{\qartPi@}\kern\partroottwo\R@ + \or + \xytpic@pt{-\halfroottwo\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{-\qartPi@}0\kern\partroottwo\R@ + \or + \xytpic@pt{\z@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{-\halfPi@}{-\qartPi@}\kern\halfroottwo\R@ + \or + \xytpic@pt{\halfroottwo\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{-\tartPi@}{-\halfPi@}\kern\halfroottwo\R@ + \or + \xytpic@pt{\R@}\edef\next@{{{\the\count@}0}}% + \expandafter\xyTPICcirchar@i\next@{-\fullPi@}{-\tartPi@}\kern\partroottwo\R@ + \fi} + +\xydef@\xyTPICcirchar@i#1#2#3{\L@=\R@ \xyTPICpartcircle@{#1}{#2}{#3}} +\DOCMODE) + +\paragraph*{quadratic splines} + +\DOCMODE( +\xydef@\xyTPIC@spline@ii@{\DN@{\xy@spline@ii}% + \ifx\splineSTYLE@\empty\DN@{\xyTPICqspline@{0}}% + \else\expandafter\DNii@\expandafter{\addDASH@{}}% + \ifx\splineSTYLE@\nextii@\DN@{\xyTPICqspline@{0}}% + \else\expandafter\DNii@\expandafter{\addDOT@{}}% + \ifx\splineSTYLE@\nextii@\DN@{\xyTPICqspline@{-.5}}% + \else\expandafter\expandafter\expandafter\DNii@\expandafter\expandafter + \expandafter{\expandafter\addDASH@\addDASH@{}}% + \ifx\splineSTYLE@\nextii@\DN@{\xyTPICqspline@{}}% + \fi\fi\fi\fi + \next@ }% + +\xydef@\xyTPIC@accumulate{\xytpic@pt\X@c \count@@=\count@ + \xytpic@pt{-\Y@c}\edef\next@{{\the\count@@}{\the\count@}}% + \expandafter\xytpic@pa\next@ } + +\xydef@\xyTPICqspline@#1{\xytpic@width@ + \xytpic@in{#1\xydashl@}\expandafter\gdef\expandafter\xytpic@style@@ + \expandafter{\expandafter\xytpic@sp\expandafter{\next@}}% + \save@ \cfromp@ \xyTPIC@accumulate + \edef\smapp@@{\s@bot}\smapxy@i{\xyTPIC@accumulate}% + \leave@ \xyTPIC@accumulate \xytpic@style@@ \xytpic@reset@ + \enter@{}\xy@spline@x } +\DOCMODE) + +\DOCMODE( +\xydef@\installTPICcurves@{% + \let\dosolidcircle@@=\xydoTPICcircle@ + \let\xy@spline@ii@@=\xyTPIC@spline@ii@ + } +\xydef@\uninstallTPICcurves@{% + \let\dosolidcircle@@=\dosolidcircle@ + \let\xy@spline@ii@@=\xy@spline@ii } +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\paragraph*{frames} +\DOCMODE( + \xywithoption{frame}{\xyinputorelse@{xytp-f}{}} +\DOCMODE) + +Implement color fills by reading from a |\TPICfillcolor|. +Implement pattern fills by reading from a |\TPICfillpatt|. +Read these whenever a fill is requested. + + +\DOCMODE( +\xydef@\uninstallTPICframes@{\UnloadFrames@} +\DOCMODE) + +\DOCMODE2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\DOCMODE( +\xyendinput + +% $Log: xytpic.doc,v $ +% Revision 3.3 1996/12/18 09:50:38 ross +% adjusted Drop@@ for styles +% minor improvements to file-loading commands +% +% Revision 3.2 1995/09/19 18:21:41 ross +% Bug fix release. +% +% Revision 3.1 1995/09/05 20:36:33 ross +% Release! +% +% Revision 3.0 1995/07/07 20:13:19 ross +% Major release w/new User's Guide! +% +% Revision 2.13 1995/07/04 15:04:51 ross +% Ready for release of v3. +% +% NEW for version 3.1 by Ross Moore 1995/03/18. +% replaces xyps-col.doc +% +\DOCMODE) + +\DOCMODE3%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +% Tell Emacs that this is a LaTeX document and how it is formatted: +% Local Variables: +% mode:latex +% fill-column:77 +% fill-prefix:"" +% End: |