1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
%D \module
%D [ file=meta-pag,
%D version=1999.07.10,
%D title=\METAPOST\ Graphics,
%D subtitle=Initialization,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D These definitions used to be part of the old \type
%D {core-mps} file, later changed into \type {meta-ini}, but
%D keeping them separate is cleaner.
\writestatus{loading}{MetaPost Graphics / Page Data Management}
\unprotect
\startMPextensions
if unknown context_page: input mp-page; fi;
\stopMPextensions
%D The next few macros tell \METAPOST\ how the \CONTEXT\
%D pagebody looks.
\startMPextensions
boolean PageStateAvailable,OnRightPage,InPageBody;
PageStateAvailable:=true;
\stopMPextensions
\startMPinitializations
OnRightPage:=true;
InPageBody:=\ifinpagebody true \else false \fi;
\stopMPinitializations
\startMPinitializations
def LoadPageState =
OnRightPage:=\MPonrightpage;
OnOddPage:=\MPonoddpage;
RealPageNumber:=\the\realpageno;
PageNumber:=\the\pageno;
NOfPages:=\lastpage;
PaperHeight:=\the\paperheight;
PaperWidth:=\the\paperwidth;
PrintPaperHeight:=\the\printpaperheight;
PrintPaperWidth:=\the\printpaperwidth;
TopSpace:=\the\topspace;
BottomSpace:=\the\bottomspace;
BackSpace:=\the\backspace;
CutSpace:=\the\cutspace;
MakeupHeight:=\the\makeupheight;
MakeupWidth:=\the\makeupwidth;
TopHeight:=\the\topheight;
TopDistance:=\the\topdistance;
HeaderHeight:=\the\headerheight;
HeaderDistance:=\the\headerdistance;
TextHeight:=\the\textheight;
FooterDistance:=\the\footerdistance;
FooterHeight:=\the\footerheight;
BottomDistance:=\the\bottomdistance;
BottomHeight:=\the\bottomheight;
LeftEdgeWidth:=\the\leftedgewidth;
LeftEdgeDistance:=\the\leftedgedistance;
LeftMarginWidth:=\the\leftmarginwidth;
LeftMarginDistance:=\the\leftmargindistance;
TextWidth:=\the\textwidth ;
RightMarginDistance:=\the\rightmargindistance;
RightMarginWidth:=\the\rightmarginwidth;
RightEdgeDistance:=\the\rightedgedistance;
RightEdgeWidth:=\the\rightedgewidth;
InnerMarginDistance:=\the\innermargindistance;
InnerMarginWidth:=\the\innermarginwidth;
OuterMarginDistance:=\the\outermargindistance;
OuterMarginWidth:=\the\outermarginwidth;
InnerEdgeDistance:=\the\inneredgedistance;
InnerEdgeWidth:=\the\inneredgewidth;
OuterEdgeDistance:=\the\outeredgedistance;
OuterEdgeWidth:=\the\outeredgewidth;
PageOffset:=\the\pageoffset;
PageDepth:=\the\pagedepth;
LayoutColumns:=\the\layoutcolumns;
LayoutColumnDistance:=\the\layoutcolumndistance;
LayoutColumnWidth:=\the\layoutcolumnwidth;
enddef;
\stopMPinitializations
\def\MPonrightpage{true}
\def\MPonoddpage {true}
\def\freezeMPpagelayout
{\doifbothsides
{\def\MPonrightpage{true}}
{\def\MPonrightpage{true}}
{\def\MPonrightpage{false}}%
\edef\MPonoddpage{\doifoddpageelse{true}{false}}}
\let\freezeMPlayout\relax % obsolete
%D We need to freeze the pagelayout before the backgrounds
%D are build, because the overlay will temporarily become
%D zero (overlay).
\appendtoks
\freezeMPpagelayout
\to \everybeforepagebody
%D By freezing these value every graphic, we can use layout
%D variables that change halfways a page, whatever use that
%D has.
\prependtoks
\calculatereducedvsizes % this is really needed
\freezeMPpagelayout
\freezeMPlayout % to be used grouped
\to \everyMPgraphic
%D The next feature provides information about for instance
%D column positions. This is an experimental feature,
%D introduced when we needed backgrounds in columns (fill||in
%D questions as implemented in a private module).
%D
%D See \type {mp-page.mp} for the definition of the macros:
%D
%D \starttabulate[|tl|l|p|]
%D \NC ResetTextAreas \NC no arguments \NC
%D reset areas on page \NC \NR
%D \NC RegisterTextArea \NC x, y, w, h \NC
%D adds area to the list \NC \NR
%D \NC TextAreaX,Y,W,H,XY,WH \NC x and/or y \NC
%D reports offsets and dimensions \NC \NR
%D \stoptabulate
%D
%D The \type {TextArea*} macros can be used to determine
%D overlap.
\newcounter\currentMPtextareadata
\newtoks\MPsavedtextareadata
\newtoks\MPtextareadata
\newtoks\MPlocaltextareadata
% optimaliseren voor herhaling
\def\registerMPtextarea#1%
{\ifpositioning
\bgroup
\doglobal\increment\currentMPtextareadata
%\hpos{gbd:\currentMPtextareadata}{#1}%
\hpos{gbd:\currentMPtextareadata}%
{\iftracetextareas\boxrulewidth1.5pt\ruledhbox\fi{#1}}%
\edef\!!stringa{gbd:\currentMPtextareadata}%
\edef\!!stringa{RegisterTextArea(%
\MPx\!!stringa,\MPy\!!stringa,%
\MPw\!!stringa,\MPh\!!stringa,\MPd\!!stringa);}%
\@EA \doglobal \@EA \appendtoks \!!stringa \to \MPtextareadata
\egroup
\else
\hbox{#1}%
\fi}
\def\registerMPlocaltextarea#1%
{\ifpositioning
\bgroup
\doglobal\increment\currentMPtextareadata
%\hpos{gbd:\currentMPtextareadata}{#1}%
\hpos{gbd:\currentMPtextareadata}%
{\iftracetextareas\boxrulewidth3pt\ruledhbox\fi{#1}}%
\edef\!!stringa{gbd:\currentMPtextareadata}%
\edef\!!stringa{RegisterLocalTextArea(%
\MPx\!!stringa,\MPy\!!stringa,%
\MPw\!!stringa,\MPh\!!stringa,\MPd\!!stringa);}%
\global\MPlocaltextareadata\@EA{\!!stringa}%
\egroup
\else
\hbox{#1}%
\fi}
% better, so that we can force a key and share with e.g. renumbering
%
% \let\namedtextarea\empty
%
% \def\registerMPlocaltextarea#1%
% {\ifpositioning
% \bgroup
% \ifx\namedtextarea\empty
% \doglobal\increment\currentMPtextareadata
% \edef\namedtextarea{gbd:\currentMPtextareadata}%
% \fi
% \hpos\namedtextarea{\iftracetextareas\boxrulewidth3pt\ruledhbox\fi{#1}}%
% \edef\ascii{RegisterLocalTextArea(%
% \MPx\namedtextarea,\MPy\namedtextarea,%
% \MPw\namedtextarea,\MPh\namedtextarea,\MPd\namedtextarea);}%
% \global\MPlocaltextareadata\@EA{\ascii}%
% \egroup
% \else
% \hbox{#1}%
% \fi}
\def\resetMPlocaltextarea
{\global\MPlocaltextareadata\emptytoks}
\startMPextensions
path PlainTextArea;
\stopMPextensions
\startMPinitializations
ResetTextAreas;
\the\MPsavedtextareadata;
SaveTextAreas;
ResetTextAreas;
\the\MPtextareadata;
\the\MPlocaltextareadata;
PlainTextArea:=boundingbox(\MPxy{text:\realfolio}--\MPxy{text:\realfolio}
shifted (\MPw{text:\realfolio},\MPh{text:\realfolio}));
\stopMPinitializations
\appendtoks
\global\MPsavedtextareadata\MPtextareadata
\global\MPtextareadata \emptytoks
\global\MPlocaltextareadata\emptytoks
\to \everyshipout
\protect \endinput
|
