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1%D \module
2%D   [       file=page-mrk,
3%D        version=2011.05.23, % moved from page-lay
4%D          title=\CONTEXT\ Page Macros,
5%D       subtitle=Cutmarks and Colorbars,
6%D         author=Hans Hagen,
7%D           date=\currentdate,
8%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9%C
10%C This module is part of the \CONTEXT\ macro||package and is
11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12%C details.
13
14\writestatus{loading}{ConTeXt Page Macros / Cutmarks and Colorbars}
15
16\unprotect
17
18%D This module implements curmarks and depends on \METAPOST.
19%D
20%D \starttyping
21%D \setuplayout[marking=on,location=middle]
22%D \setuplayout[marking=page,location=middle]
23%D \setuplayout[marking=empty,location=middle]
24%D \setuplayout[marking={color,page},location=middle]
25%D \setuplayout[marking={one,page},location=middle]
26%D \setuplayout[marking={two,page},location=middle]
27%D \setuplayout[marking={four,page},location=middle]
28%D \stoptyping
29
30\def\pagecutmarklength {5mm}
31\def\pagecutmarkoffset {3mm} % slightly larger than before, and now a fixed size
32\def\pagecutmarkmargin{10cm}
33
34% maybe all these should be global
35
36\newconditional\c_page_marks_add_more_color
37\newconditional\c_page_marks_add_more_marking
38\newconditional\c_page_marks_add_more_lines
39\newconditional\c_page_marks_add_page_lines
40\newconditional\c_page_marks_add_more_number
41
42\newcount\c_page_marks_max
43\newcount\c_page_marks_nx
44\newcount\c_page_marks_ny
45
46\startuniqueMPgraphic{print:color}{w,h,l,o}
47    loadmodule "crop" ;
48    page_marks_add_color(\MPvar w,\MPvar h,\MPvar l,\MPvar o) ;
49\stopuniqueMPgraphic
50
51\startuniqueMPgraphic{print:marking}{w,h,l,o}
52    loadmodule "crop" ;
53    page_marks_add_marking(\MPvar w,\MPvar h,\MPvar l,\MPvar o) ;
54\stopuniqueMPgraphic
55
56\startuniqueMPgraphic{print:lines}{w,h,l,o,x,y}
57    loadmodule "crop" ;
58    page_marks_add_lines(\MPvar w,\MPvar h,\MPvar l,\MPvar o,\MPvar x,\MPvar y,
59        \ifconditional\c_page_marks_add_page_lines tru\else fals\fi e) ;
60\stopuniqueMPgraphic
61
62\startuseMPgraphic{print:number}{w,h,l,o,n}
63    loadmodule "crop" ;
64    page_marks_add_number(\MPvar w,\MPvar h,\MPvar l,\MPvar o,\MPvar n) ;
65\stopuseMPgraphic
66
67\def\page_marks_add_color
68  {\setlayoutcomponentattribute{\v!print:\v!color}%
69   \setbox\scratchbox\hpack \layoutcomponentboxattribute\bgroup
70     \uniqueMPgraphic
71       {print:color}%
72       {w=\the\scratchwidth,h=\the\scratchheight,%
73        l=\pagecutmarklength,o=\pagecutmarkoffset}%
74   \egroup
75   \wd\scratchbox\scratchwidth\ht\scratchbox\scratchheight\dp\scratchbox\scratchdepth
76   \hskip-\scratchwidth\box\scratchbox}
77
78\def\page_marks_add_marking
79  {\setlayoutcomponentattribute{\v!print:\v!marking}%
80   \setbox\scratchbox\hpack \layoutcomponentboxattribute\bgroup
81     \uniqueMPgraphic
82       {print:marking}%
83       {w=\the\scratchwidth,h=\the\scratchheight,%
84        l=\pagecutmarklength,o=\pagecutmarkoffset}%
85   \egroup
86   \wd\scratchbox\scratchwidth\ht\scratchbox\scratchheight\dp\scratchbox\scratchdepth
87   \hskip-\scratchwidth\box\scratchbox}
88
89\def\page_marks_add_lines
90  {\setlayoutcomponentattribute{\v!print:\v!lines}%
91   \setbox\scratchbox\hpack \layoutcomponentboxattribute\bgroup
92     \uniqueMPgraphic
93       {print:lines}%
94       {w=\the\scratchwidth,h=\the\scratchheight,%
95        l=\pagecutmarklength,o=\pagecutmarkoffset,%
96        x=\the\c_page_marks_nx,y=\the\c_page_marks_ny}%
97   \egroup
98   \wd\scratchbox\scratchwidth\ht\scratchbox\scratchheight\dp\scratchbox\scratchdepth
99   \hskip-\scratchwidth\box\scratchbox}
100
101\def\page_marks_add_number
102  {\setlayoutcomponentattribute{\v!print:\v!number}%
103   \setbox\scratchbox\hpack \layoutcomponentboxattribute\bgroup
104     \useMPgraphic
105       {print:number}%
106       {w=\the\scratchwidth ,h=\the\scratchheight,%
107        l=\pagecutmarklength,o=\pagecutmarkoffset,%
108        n=\number\ifcase\arrangeno\realpageno\else\arrangeno\fi}%
109   \egroup
110   \wd\scratchbox\scratchwidth\ht\scratchbox\scratchheight\dp\scratchbox\scratchdepth
111   \hskip-\scratchwidth\box\scratchbox}
112
113\def\page_marks_add_page_indeed#1%
114  {\setbox#1\hpack\bgroup
115     \resetvisualizers
116     \let\objectoffset\pagecutmarkmargin
117    %\infofont
118     \scratchwidth \wd#1%
119     \scratchheight\ht#1%
120     \scratchdepth \dp#1%
121     \box#1\relax
122     \page_marks_add_lines
123   \egroup}
124
125\def\page_marks_add_more_indeed#1%
126  {\setbox#1\hbox\bgroup
127     \resetvisualizers
128     \let\objectoffset\pagecutmarkmargin
129     \infofont
130     \scratchwidth \wd#1% these can move out
131     \scratchheight\ht#1%
132     \scratchdepth \dp#1%
133     \box#1\relax
134     \ifconditional\c_page_marks_add_more_color
135       \page_marks_add_color
136     \fi
137     \ifconditional\c_page_marks_add_more_marking
138       \page_marks_add_marking
139     \fi
140     \ifconditional\c_page_marks_add_more_lines
141       \page_marks_add_lines
142     \fi
143     \ifconditional\c_page_marks_add_more_number
144       \page_marks_add_number
145     \fi
146     \global\advance\c_page_marks_max\minusone
147     \ifnum\c_page_marks_max>\zerocount\else
148       \glet\page_marks_add_more\gobbleoneargument
149       \glet\page_marks_add_page\gobbleoneargument
150     \fi
151   \egroup}
152
153\let\page_marks_add_page\gobbleoneargument
154\let\page_marks_add_more\gobbleoneargument
155
156\installcorenamespace{layoutmarking}
157
158\unexpanded\def\installpagecutmark#1#2%
159  {\setvalue{\??layoutmarking#1}{#2}}
160
161% \installpagecutmark\v!off
162%   {}
163
164% \installpagecutmark\v!text
165%   {\settrue\c_page_marks_add_more_lines
166%    \settrue\c_page_marks_add_more_number
167%    \let\pagecutmarksymbol\empty
168%    \let\pagecutmarkbottomtext\extrapagecutmarkbottomtext}
169
170\installpagecutmark\v!on
171  {%settrue\c_page_marks_add_page_lines
172   \settrue\c_page_marks_add_more_lines
173   \settrue\c_page_marks_add_more_number}
174
175\installpagecutmark\v!page
176  {\settrue\c_page_marks_add_page_lines
177   \settrue\c_page_marks_add_more_lines
178   \settrue\c_page_marks_add_more_number}
179
180\installpagecutmark\v!empty
181  {%settrue\c_page_marks_add_page_lines
182   \settrue\c_page_marks_add_more_lines}
183
184\installpagecutmark\v!color
185  {%settrue\c_page_marks_add_page_lines
186   \settrue\c_page_marks_add_more_lines
187   \settrue\c_page_marks_add_more_color
188   \settrue\c_page_marks_add_more_marking
189   \settrue\c_page_marks_add_more_number}
190
191\installpagecutmark\v!one {\global\c_page_marks_max\plusone}  % first page
192\installpagecutmark\v!two {\global\c_page_marks_max\plustwo}  % first two pages
193\installpagecutmark\v!four{\global\c_page_marks_max\plusfour} % first four pages
194
195\unexpanded\def\page_marks_set#1%
196  {\begincsname\??layoutmarking#1\endcsname}
197
198\appendtoks
199    \setfalse\c_page_marks_add_page_lines
200    \setfalse\c_page_marks_add_more_color
201    \setfalse\c_page_marks_add_more_marking
202    \setfalse\c_page_marks_add_more_lines
203    \setfalse\c_page_marks_add_more_number
204    \global\c_page_marks_max\maxcount
205    \rawprocesscommacommand[\layoutparameter\c!marking]\page_marks_set
206    \ifnum\c_page_marks_max<\maxcount
207      \ifconditional\c_page_marks_add_page_lines  \else
208      \ifconditional\c_page_marks_add_more_color  \else
209      \ifconditional\c_page_marks_add_more_marking\else
210      \ifconditional\c_page_marks_add_more_lines  \else
211      \ifconditional\c_page_marks_add_more_number \else
212        \settrue\c_page_marks_add_page_lines
213        \settrue\c_page_marks_add_more_number
214      \fi\fi\fi\fi\fi
215    \fi
216    \ifconditional\c_page_marks_add_page_lines
217      \let\page_marks_add_page\page_marks_add_page_indeed
218    \else
219      \let\page_marks_add_page\gobbleoneargument
220    \fi
221    % we can get a double set of (overlayed) lines .. needs to be redone (too many objects anyway)
222    \ifconditional\c_page_marks_add_more_lines
223      \let\page_marks_add_more\page_marks_add_more_indeed
224    \else\ifconditional\c_page_marks_add_more_color
225      \let\page_marks_add_more\page_marks_add_more_indeed
226    \else\ifconditional\c_page_marks_add_more_marking
227      \let\page_marks_add_more\page_marks_add_more_indeed
228    \else\ifconditional\c_page_marks_add_more_number
229      \let\page_marks_add_more\page_marks_add_more_indeed
230    \else
231      \let\page_marks_add_more\gobbleoneargument
232    \fi\fi\fi\fi
233\to \everysetuplayout
234
235\setuplayout
236  [\c!marking=\v!off]
237
238\protect \endinput
239