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-rw-r--r--Master/texmf-dist/source/latex/pict2e/pict2e.dtx83
1 files changed, 62 insertions, 21 deletions
diff --git a/Master/texmf-dist/source/latex/pict2e/pict2e.dtx b/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
index 9c2b986cc24..cccd714da7a 100644
--- a/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
+++ b/Master/texmf-dist/source/latex/pict2e/pict2e.dtx
@@ -23,7 +23,7 @@
%
%<*package>
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesPackage{pict2e}[2020/06/13 v0.3d Improved picture commands (HjG,RN,JT)]
+\ProvidesPackage{pict2e}[2020/06/20 v0.3e Improved picture commands (HjG,RN,JT)]
%</package>
%
%<*driver>
@@ -63,9 +63,9 @@
% \fi
%
% \GetFileInfo{pict2e.sty}
-% \def\docdate{2020/06/13}
+% \def\docdate{2020/06/20}
%
-% \CheckSum{2157}
+% \CheckSum{2206}
%
% ^^A ========
%
@@ -188,6 +188,8 @@
% \changes{v0.2z}{2014/01/12}{Conflict wit epic, eepic solved. (JT)}
% \changes{v0.3a}{2016/01/09}{Local line types, documentation fixes. (JT)}
% \changes{v0.3d}{2020/06/13}{\cmd{\@sline} renamed \cmd{\pIIe@sline} (RN)}
+% \changes{v0.3e}{2020/06/20}{Added \cmd{\Vector}, \cmd{\polyvector}
+% suggested by FMi (RN)}
% \fi
%
% \changes{v0.1a}{2003/07/18}{First version. (RN)}
@@ -1284,26 +1286,32 @@
% An equivalent \cmd{\pIIearc} to \cmd{\arc} is defined to solve possible
% conflicts with other packages.
%
-% \subsubsection{Lines, polygons}
+% \subsubsection{Line, Vector, polyline, polyvector, and polygon}
% \label{sec:usage:lines+polygons}
%
% \DescribeMacro\Line
% \DescribeMacro\polyline
+% \DescribeMacro\Vector
+% \DescribeMacro\polyvector
% \DescribeMacro\polygon
% \DescribeMacro{\polygon*}
% |\Line|\parg{X1,Y1}\parg{X2,Y2}\\
% |\polyline|\parg{X1,Y1}\parg{X2,Y2}\dots\parg{Xn,Yn}\\
+% |\Vector|\parg{X1,Y1}\parg{X2,Y2}\\
+% |\polyvector|\parg{X1,Y1}\parg{X2,Y2}\dots\parg{Xn,Yn}\\
% |\polygon|\parg{X1,Y1}\parg{X2,Y2}\dots\parg{Xn,Yn}\\
% |\polygon*|\parg{X1,Y1}\parg{X2,Y2}\dots\parg{Xn,Yn}\\
% A natural way how to describe a line segment is to give the coordinates of
-% the endpoints. The syntax of the \cmd{\line} is different because
+% the endpoints. The syntax of the \cmd{\line}/\cmd{\vector} is different
+% because
% the lines in the standard \texttt{picture} environment are made from small
% line segments of a limited number of slopes given in a font. However, this
% package changes the \cmd{\line} command computing the coordinates of the
% endpoints and using an internal macro for drawing a line segment with given
% endpoints. Hence it would be crazy do not use this possibility directly.
-% This is done by the command \cmd{\Line}. The command \cmd{\polyline} draws a
-% stroken line connecting points with given coordinates. The command
+% This is done by the commands \cmd{\Line} and \cmd{\Vector}. The commands
+% \cmd{\polyline} and \cmd{\polyvector} draws a
+% stroken line/vector connecting points with given coordinates. The command
% \cmd{\polygon} draws a polygon with given vertices, the star variant gives
% filled polygon. At least two points should be given.
%
@@ -2203,7 +2211,7 @@
% \]
% and $t = x/s$ and $\tau = 2(t-1/2)$.
% \end{quote}
-% \changes{v0.2r}{2005/07/15}{Two wrong global assignment changed. (RN)}
+% \changes{v0.2r}{2005/07/15}{Two wrong global assignments changed. (RN)}
% \begin{macrocode}
\newcommand*\pIIe@pyth[3]{%
\begingroup
@@ -2499,11 +2507,13 @@
\pIIe@divide{\@tempdimb}\dimen@\@ydim
\pIIe@divide{\@tempdima}\dimen@\@xdim
% \end{macrocode}
-% Rotate the following vector\slash arrow outlines by angle $\theta$.
+% Rotate the following vector\slash arrow outlines by angle $\theta$:\par
+% \BigIndent
+% $\cos{\theta}$\quad$\sin{\theta}$\quad$-\sin{\theta}$\quad$\cos{\theta}$\quad $0\quad 0$
% \begin{macrocode}
\pIIe@concat\@xdim\@ydim{-\@ydim}\@xdim\z@\z@
% \end{macrocode}
-% Internal command to draw the outline of the vector\slash arrow.
+% Internal command to draw the outline of the vector\slash arrow.
% \begin{macrocode}
\pIIe@vector
\pIIe@fillGraph
@@ -3196,15 +3206,14 @@
% We abuse \cmd{\@setfpsbit} from the float processing modules of the
% kernel.
% ^^A (Should this go to section low-level?)
-% \begin{macrocode}
+% \begin{macrocode}
\newcommand*\pIIe@get@quadrants[1]{%
\@ovttrue \@ovbtrue \@ovltrue \@ovrtrue \@tempcnta\z@
\@tfor\reserved@a:=#1\do{\csname @ov\reserved@a false\endcsname}%
\if@ovr \if@ovb\@setfpsbit2\fi \if@ovt\@setfpsbit4\fi \fi
\if@ovl \if@ovb\@setfpsbit1\fi \if@ovt\@setfpsbit8\fi \fi}
-% \end{macrocode}
+% \end{macrocode}
% \end{macro}
-%
% \subsubsection{Quadratic Bezier Curve}
% \label{sec:implementation:bezier-curves}
%
@@ -3259,7 +3268,6 @@
\fi}
% \end{macrocode}
% \end{macro}
-%
% \begin{macro}{\pIIe@bezier@QtoC}
% \changes{v0.1u}{2003/11/21}{New ancillary macro (HjG)}
% Ancillary macro; saves us some tokens above.
@@ -3271,10 +3279,10 @@
% \noindent
% (Missing: Reference for mathematical formula. Or is this trivial?)
% \begin{macrocode}
- \newcommand*\pIIe@bezier@QtoC[3]{%
- \@tempdimc#1\relax \advance\@tempdimc-#2\relax
- \divide\@tempdimc\thr@@ \advance\@tempdimc #2\relax
- #3\@tempdimc}
+ \newcommand*\pIIe@bezier@QtoC[3]{%
+ \@tempdimc#1\relax \advance\@tempdimc-#2\relax
+ \divide\@tempdimc\thr@@ \advance\@tempdimc #2\relax
+ #3\@tempdimc}
% \end{macrocode}
% \end{macro}
%
@@ -3404,13 +3412,17 @@
% \end{macrocode}
% \end{macro}
%
-% \subsubsection{Lines and polygons}
-% \label{sec:implementation:lines-polygons}
+% \subsubsection{Line, Vector, polyline, polyvector, and polygon}
+% \label{sec:implementation:polyline-polyvector}
%
+% \changes{v0.3e}{2020/06/20}{Added \cmd{\Vector} and \cmd{\polyvector}
+% suggested by FMi. (RN)}
% \begin{macro}{\Line}
% \begin{macro}{\polyline}
+% \begin{macro}{\Vector}
+% \begin{macro}{\polyvector}
% \begin{macro}{\polygon}
-% We use recursive macros for \cmd{\polyline} and \cmd{\polygon}.
+% We use recursive macros for \cmd{\polyline}, \cmd{\polyvector}, and \cmd{\polygon}.
% \begin{macrocode}
\let\lp@r( \let\rp@r)
\def\Line(#1,#2)(#3,#4){\polyline(#1,#2)(#3,#4)}
@@ -3423,6 +3435,33 @@
\def\@polyline(#1,#2){%
\pIIe@lineto{#1\unitlength}{#2\unitlength}%
\@ifnextchar\lp@r{\@polyline}{\pIIe@strokeGraph\ignorespaces}}
+ \def\Vector(#1,#2)(#3,#4){\polyvector(#1,#2)(#3,#4)}
+ \def\polyvector(#1,#2){%
+ \@killglue
+ \@ifnextchar\lp@r{\begingroup\@polyvector(#1,#2)}{%
+ \PackageWarning{pict2e}%
+ {Polygonal vectors require at least two vertices!}\ignorespaces}}
+ \def\@polyvector(#1,#2)(#3,#4){%
+% \end{macrocode}
+% See the similar definition for \cmd{\vector} (\ref{sec:implementation:vector})
+% \begin{macrocode}
+ \@xdim#1\unitlength \@tempdima=#3\unitlength
+ \@ydim#2\unitlength \@tempdimb=#4\unitlength
+ \advance\@tempdima-\@xdim \advance\@tempdimb-\@ydim
+ \ifdim\@tempdima=\z@ \@linelen\@tempdimb \else
+ \ifdim\@tempdimb=\z@ \@linelen\@tempdima \else
+ \pIIe@pyth\@tempdima\@tempdimb\@linelen
+ \fi
+ \fi
+ \ifdim\@linelen<\z@ \@linelen-\@linelen\fi
+ \pIIe@divide{\@tempdima}\@linelen\@ovxx
+ \pIIe@divide{\@tempdimb}\@linelen\@ovyy
+% \end{macrocode}
+% Note the shift to the previous point in addition to the rotation.
+% \begin{macrocode}
+ \pIIe@concat\@ovxx\@ovyy{-\@ovyy}\@ovxx\@xdim\@ydim
+ \pIIe@vector \pIIe@fillGraph
+ \@ifnextchar\lp@r{\@polyvector(#3,#4)}{\endgroup\ignorespaces}}
\def\polygon{%
\@killglue
\@ifstar{\begingroup\@tempswatrue\@polygon}%
@@ -3441,6 +3480,8 @@
% \end{macro}
% \end{macro}
% \end{macro}
+% \end{macro}
+% \end{macro}
%
% \subsubsection{Path commands}
% \label{sec:implementation:path-commands}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 00:54:22 +0000