Début de la mise en ligne de la documentation et des exemples

[pst-anamorphosis.git] / doc / pst-anamorphosis.tex

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+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2003/12/01 or later.
+
+\csname PSTANAMORPHOSISLoaded\endcsname
+\let\PSTANAMORPHOSISLoaded\endinput
+% Requires some packages
+\ifx\PSTricksLoaded\endinput\else \input pstricks \fi
+\ifx\PSTXKeyLoaded\endinput\else  \input pst-xkey \fi
+\def\fileversion{0.21}
+\def\filedate{2011/10/14}
+\message{`PSTANAMORPHOSIS' v\fileversion, \filedate}
+
+\pstheader{anamorphosis.pro}
+
+\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
+\SpecialCoor
+\psset{dimen=middle}
+
+\pst@addfams{pst-anamorphosis}
+
+\define@key[psset]{pst-anamorphosis}{Rmirror}{\edef\psk@Anamorphose@Rmirror{#1 }}%
+\psset[pst-anamorphosis]{Rmirror=3}
+%
+%% === Options spécifiques à l'anamorphose cylindrique -------------------------
+\define@key[psset]{pst-anamorphosis}{Xv}{\edef\psk@Anamorphose@Xv{#1 }}%
+\define@key[psset]{pst-anamorphosis}{Yv}{\edef\psk@Anamorphose@Yv{#1 }}%
+\psset[pst-anamorphosis]{Xv=0,Yv=-10}
+%
+%% === Options spécifiques à l'anamorphose conique -----------------------------
+\define@key[psset]{pst-anamorphosis}{Zs}{\edef\psk@Anamorphose@Zs{#1 }}%
+\define@key[psset]{pst-anamorphosis}{Zv}{\edef\psk@Anamorphose@Zv{#1 }}%
+\psset[pst-anamorphosis]{Zs=10,Zv=50}
+%
+%% === Options spécifiques à l'anamorphose spherique -----------------------------
+\define@key[psset]{pst-anamorphosis}{Zv}{\edef\psk@Anamorphose@Zv{#1 }}%
+\psset[pst-anamorphosis]{Zv=10}
+%
+%% === Options spécifiques à la perspective -----------------------------
+\define@key[psset]{pst-anamorphosis}{ua}{\edef\psk@Anamorphose@ua{#1 }}%
+\define@key[psset]{pst-anamorphosis}{F}{\edef\psk@Anamorphose@H{#1 }}%
+\define@key[psset]{pst-anamorphosis}{D}{\edef\psk@Anamorphose@D{#1 }}%
+\psset[pst-anamorphosis]{ua=2,F=10,D=4}
+%
+%% === Options scale pour placer une image EPS ---------------------
+\define@key[psset]{pst-anamorphosis}{scale}{\edef\psk@Anamorphose@scale{#1 }}%
+\psset[pst-anamorphosis]{scale=1 1}
+%
+%% === Options translate pour placer une image PST---------------------
+\define@key[psset]{pst-anamorphosis}{translate}{\edef\psk@Anamorphose@translate{#1 }}%
+\psset[pst-anamorphosis]{translate=0 0}
+%
+%% === Option pour ne pas dessiner l'image anamorphosée---------------------
+\newif\ifPst@Anamorphose@draw
+\define@key[psset]{pst-anamorphosis}{drawanamorphosis}[true]{\@nameuse{Pst@Anamorphose@draw#1}}
+\psset[pst-anamorphosis]{drawanamorphosis=true}
+%
+%% Reservation des noms de macros
+% adaptation de la macro de pst-solides3d
+% #1=type de reservation associee a une liste qui
+% doit forcement etre du type pst@anamorphosis@list@#1
+\def\pst@anamorphosis@reservednames#1{%
+\edef\@tempa{\csname pst@anamorphosis@list@#1\endcsname}
+\@for \name:=\@tempa\do{%
+  \expandafter\def\csname pst@anamorphosis@#1@\name\endcsname{}%
+}}
+% nature de l'anamorphose
+\def\pst@anamorphosis@list@type{%
+  cylindrical,conical,spherical,perspective,inverseperspective}
+%
+%% Reservation de macros correspondants aux types
+\pst@anamorphosis@reservednames{type}
+\define@key[psset]{pst-anamorphosis}{type}{%
+ \ifcsname pst@anamorphosis@type@#1\endcsname
+   \def\psk@anamorphosis@type{pst-#1}%
+ \else
+    \@pstrickserr{The anamorphosis #1 is not defined, the anamorphosis by default is
+    drawn}{}%
+ \fi}
+% anamorphose par defaut
+\psset[pst-anamorphosis]{type=cylindrical}%
+%
+\pst@def{optionsanamorphosis}<%
+/unit {\pst@number\psunit mul } def
+/Xv \psk@Anamorphose@Xv unit def
+/Yv \psk@Anamorphose@Yv unit def
+/Zv \psk@Anamorphose@Zv unit def
+/Zs \psk@Anamorphose@Zs unit def
+/Rmirror \psk@Anamorphose@Rmirror unit def
+/R Rmirror dup mul def
+/ua \psk@Anamorphose@ua unit def
+/yH \psk@Anamorphose@H unit def
+/xD \psk@Anamorphose@D unit def
+/Anamorphose  {\psk@anamorphosis@type} def
+\psk@Anamorphose@scale
+% pour tenir d'un changement d'échelle global
+ /s@@y exch \pst@number\psyunit mul 28.45274 div def
+ /s@@x exch \pst@number\psxunit mul 28.45274 div def
+>
+
+\def\psanamorphosis{\def\pst@par{}\pst@object{psanamorphosis}}
+\def\psanamorphosis@i{\@ifnextchar({\psanamorphosis@do}{\psanamorphosis@do(0,0)}}
+\def\psanamorphosis@do(#1)#2{%  #1 = fichier.eps à transformer
+\begingroup%
+\use@par%
+  \begin@SpecialObj%
+  \pst@@getcoor{#1}%
+    \addto@pscode{
+      \pst@coor /t@@y ED /t@@x ED % Translate
+      /fichier (#2) def
+    \tx@optionsanamorphosis
+     Image
+\ifPst@Anamorphose@draw
+   tx@anamorphosisPathDict begin
+      gsave
+      /showpage {} def
+       fichier run
+      grestore
+    end
+\fi
+    }%
+  \end@SpecialObj%
+\endgroup%
+} 
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