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Diffstat (limited to 'Master/texmf-dist/doc/luatex/luaintro/04-04-13.lualtx')
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1 files changed, 53 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/luatex/luaintro/04-04-13.lualtx b/Master/texmf-dist/doc/luatex/luaintro/04-04-13.lualtx new file mode 100644 index 00000000000..4fc886d4fab --- /dev/null +++ b/Master/texmf-dist/doc/luatex/luaintro/04-04-13.lualtx @@ -0,0 +1,53 @@ +%% +%% Ein Beispiel der DANTE-Edition +%% +%% 1. Auflage +%% +%% Beispiel 04-04-13 auf Seite 97. +%% +%% 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} +\setlength\parindent{0pt} +\usepackage[ngerman]{babel} +%StartShownPreambleCommands +\usepackage{libertine,luacode,blindtext,color,microtype} +\begin{luacode*} +function drawGlyphBB(glyph) + local width = glyph.width/2^16 + local height = glyph.height/2^16 + local depth = glyph.depth/2^16 + local w=node.new("whatsit","pdf_literal") + w.data=string.format("q 1 0 0 RG 0.2 w "..-width.." "..-depth.." "..width.." "..(height+depth).." re b Q ") + return w +end +function markList(List) + while List do + if List.id==0 or List.id==1 then markList(List.head) end + if List.id==37 then + local m=List -- save current node + m=node.insert_after(m,m,drawGlyphBB(List)) + end + List=List.next + end + return true +end +\end{luacode*} +%StopShownPreambleCommands +\begin{document} +\directlua{luatexbase.add_to_callback("post_linebreak_filter",markList,"markList")} +\color{white}\blindtext \par +\end{document} |