| 1 | %%% -*-latex-*- |
| 2 | %%% |
| 3 | %%% Typeset cards for keeper secrets. |
| 4 | %%% |
| 5 | %%% (c) 2012 Mark Wooding |
| 6 | %%% |
| 7 | |
| 8 | %%%----- Licensing notice --------------------------------------------------- |
| 9 | %%% |
| 10 | %%% This file is part of the distorted.org.uk key management suite. |
| 11 | %%% |
| 12 | %%% distorted-keys is free software; you can redistribute it and/or modify |
| 13 | %%% it under the terms of the GNU General Public License as published by |
| 14 | %%% the Free Software Foundation; either version 2 of the License, or |
| 15 | %%% (at your option) any later version. |
| 16 | %%% |
| 17 | %%% distorted-keys is distributed in the hope that it will be useful, |
| 18 | %%% but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | %%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | %%% GNU General Public License for more details. |
| 21 | %%% |
| 22 | %%% You should have received a copy of the GNU General Public License |
| 23 | %%% along with distorted-keys; if not, write to the Free Software Foundation, |
| 24 | %%% Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | \documentclass[a4paper, landscape, 12pt]{article} |
| 27 | \usepackage[utf8]{inputenc} |
| 28 | \usepackage[T1]{fontenc} |
| 29 | %%\usepackage[palatino, helvetica, courier, maths = cmr]{mdwfonts} |
| 30 | \usepackage{graphicx} |
| 31 | |
| 32 | %% Report errors with enough context that we can debug them. |
| 33 | \errorcontextlines=999 |
| 34 | |
| 35 | %% Basic layout for the cards. We use the paragraph filling machinery, but |
| 36 | %% don't actually need most of the trimmings. |
| 37 | \parindent=0pt |
| 38 | \parfillskip=0pt |
| 39 | \pagestyle{empty} |
| 40 | |
| 41 | %% Page layout: try to use most of the page. The document class will already |
| 42 | %% have set up the paper size, but we do the rest here. |
| 43 | \hoffset=-1in \voffset=-1in |
| 44 | \oddsidemargin=20mm |
| 45 | \textwidth=\paperwidth \advance\textwidth by -2\oddsidemargin |
| 46 | \topmargin=20mm |
| 47 | \headheight=0pt \headsep=0pt |
| 48 | \textheight=\paperheight \advance\textheight by -2\topmargin |
| 49 | \AtBeginDocument{\special{papersize=\the\paperwidth,\the\paperheight}} |
| 50 | |
| 51 | %% Parameters for the cards and guide rules. |
| 52 | \newdimen\cardwd \cardwd=82mm |
| 53 | \newdimen\cardht \cardht=49mm |
| 54 | \newdimen\guidelen \guidelen=10mm |
| 55 | \newdimen\rulewd \rulewd=0.6pt |
| 56 | |
| 57 | %% Typesetting the secret as text. The macro \snarf TOKEN T0 T1 ... T7 |
| 58 | %% gathers T0 T1 ... T7 into a single argument and passes them to TOKEN, as |
| 59 | %% long as T0 is not \relax. We use this to process the secret text in a |
| 60 | %% continuation-passing style. |
| 61 | \def\snarf#1#2{% |
| 62 | \ifx#2\relax\let\next\empty% |
| 63 | \else\def\next{\snarfdo#1#2}% |
| 64 | \fi% |
| 65 | \next% |
| 66 | } |
| 67 | \def\snarfdo#1#2#3#4#5#6#7#8#9{#1{#2#3#4#5#6#7#8#9}} |
| 68 | |
| 69 | %% Print the left and right halves of the line, with a separator. Use boxes |
| 70 | %% for the lines so that TeX will work out the width of the enclosing vbox |
| 71 | %% for us. The basic usage is \line TEXT \relax ... \relax, with eight |
| 72 | %% \relax tokens: this is enough to complete both \snarf calls. |
| 73 | \def\line{\snarf\lineleft} |
| 74 | \def\lineleft#1{\hbox\bgroup#1 \snarf\lineright} |
| 75 | \def\lineright#1{#1\egroup\line} |
| 76 | |
| 77 | %% Typeset a card containing a secret. Usage is \card{INDEX}{SECRET}. |
| 78 | \def\card#1#2{% |
| 79 | %% |
| 80 | %% Make sure we're setting a paragraph. |
| 81 | \leavevmode% |
| 82 | %% |
| 83 | %% Initial material: a stretchy space on the left. |
| 84 | \hbox{}\nobreak\hfil% |
| 85 | %% |
| 86 | %% An alignment for the guide markers surrounding the actual card. |
| 87 | \vbox{\halign{&##\cr% |
| 88 | %% |
| 89 | %% Top left guides. |
| 90 | \vrule width \guidelen height \rulewd depth 0pt% |
| 91 | \vrule width \rulewd depth 0pt height \guidelen% |
| 92 | &% |
| 93 | %% |
| 94 | %% Top centre gap. |
| 95 | \hfil% |
| 96 | &% |
| 97 | %% |
| 98 | %% Top right guides. |
| 99 | \vrule width \rulewd depth 0pt height \guidelen% |
| 100 | \vrule width \guidelen height \rulewd depth 0pt% |
| 101 | \cr% |
| 102 | %% |
| 103 | %% Left gap. |
| 104 | &% |
| 105 | %% |
| 106 | %% The actual card. |
| 107 | \vbox to \cardht{% |
| 108 | %% |
| 109 | %% We actually do more or less sensible typesetting. TeX will set the |
| 110 | %% box width from the hsize, and we should leave a small margin all |
| 111 | %% around. |
| 112 | \parfillskip=0pt plus 1fil% |
| 113 | \leftskip=1em \rightskip=1em% |
| 114 | \hsize=\cardwd% |
| 115 | %% |
| 116 | %% The heading. |
| 117 | \hrule height 0pt \prevdepth = 0pt% |
| 118 | \medskip% |
| 119 | {\large\bfseries\textsf{\keeper} secret #1/\total}% |
| 120 | %% |
| 121 | %% The QR-code and the text of the secret. |
| 122 | \vfil% |
| 123 | $% |
| 124 | \vcenter{\hbox{\includegraphics[scale = 2.4]{#1.eps}}}% |
| 125 | \hfil% |
| 126 | \vcenter{\ttfamily% |
| 127 | \line#2% |
| 128 | \relax\relax\relax\relax\relax\relax\relax\relax% |
| 129 | }% |
| 130 | $% |
| 131 | %% |
| 132 | %% And we're done. |
| 133 | \vfil% |
| 134 | }% |
| 135 | &% |
| 136 | %% |
| 137 | %% Right gap. |
| 138 | \cr% |
| 139 | %% |
| 140 | %% Bottom left guides. |
| 141 | \vrule width \guidelen depth \rulewd height 0pt% |
| 142 | \vrule width \rulewd depth \guidelen height 0pt% |
| 143 | &% |
| 144 | %% Bottom centre gap. |
| 145 | \hfil% |
| 146 | &% |
| 147 | %% Bottom right guides. |
| 148 | \vrule width \rulewd depth \guidelen height 0pt% |
| 149 | \vrule width \guidelen depth \rulewd height 0pt% |
| 150 | \cr% |
| 151 | %% |
| 152 | %% Leave a small vertical space at the bottom to separate lines of cards. |
| 153 | \strut \cr% |
| 154 | }}% |
| 155 | %% |
| 156 | %% End material: a stretchy space to match the one at the start, and then |
| 157 | %% allow a break. |
| 158 | \nobreak\hfil\hbox{}% |
| 159 | \penalty0% |
| 160 | } |
| 161 | |
| 162 | %%%----- That's all, folks -------------------------------------------------- |