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Diffstat (limited to 'Master/texmf-dist/doc/luatex/luaintro/01-02-12.lualtx')
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diff --git a/Master/texmf-dist/doc/luatex/luaintro/01-02-12.lualtx b/Master/texmf-dist/doc/luatex/luaintro/01-02-12.lualtx new file mode 100644 index 00000000000..060002692a4 --- /dev/null +++ b/Master/texmf-dist/doc/luatex/luaintro/01-02-12.lualtx @@ -0,0 +1,45 @@ +%% +%% Ein Beispiel der DANTE-Edition +%% +%% 1. Auflage +%% +%% Beispiel 01-02-12 auf Seite 14. +%% +%% Copyright (C) 2013 Herbert Voss +%% +%% It 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. +%% +%% See http://www.latex-project.org/lppl.txt for details. +%% +%% +%% ==== +% Show page(s) 1 +%% +%% +\documentclass[]{exaarticle} +\pagestyle{empty} +\setlength\textwidth{352.81416pt} +%\usepackage[margin=5mm,a6paper]{geometry} +\setlength\parindent{0pt}\sloppy +%StartShownPreambleCommands +\directlua{tex.enableprimitives("",tex.extraprimitives('luatex'))}% \latelua{} +\newcount\gstatelevel +\def\pdfsave{\latelua{pdf.print("page", "q\string\n")}} +\def\pdfrestore{\latelua{pdf.print("page", "Q\string\n")}} +\def\pdflocal#1#2{\begingroup\ifnum\currentgrouplevel=\gstatelevel + \else \gstatelevel=\currentgrouplevel \pdfsave \aftergroup\pdfrestore\fi + \latelua{pdf.print"#1\string\n"}#2\endgroup} +\def\flip#1{\pdflocal{-1 0 0 -1 20 6 cm}{\hbox to0pt{#1\hss}}% + \hbox to20bp{\hss}} +\def\red#1{\pdflocal{0 1 1 0 k}{#1}} +%StopShownPreambleCommands +\begin{document} +The first macro applies a transformation to a \flip{text} object, the second +applies a color (\red{red online}, \red{gray in print}). If used separately, +they work just fine. If used as \verb|\flip{\red{text}}|, it's still ok: +\flip{\red{text}}. Now try to say \verb|\red{\flip{text}}|: \red{\flip{text}}. +The text is transformed and colored as expected. But all the rest of the page +is broken, as its content is completely displaced! +\end{document} |