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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 -------------------------------------------------- |