summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/plain/zztex/zzps.tex
blob: f90d6e7ab98090202b4b0cdf04d1609a8b0933a1 (plain)
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Module:    ZzTeX PostScript Facilities
%
% Synopsis:  This module contains any and all facilities that rely on
%            PostScript output.
%
% Author:    Paul C. Anagnostopoulos
% Created:   21 January 1994
%
% Copyright 1989--2020 by Paul C. Anagnostopoulos
% under The MIT License (opensource.org/licenses/MIT)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%                       Extra Encoded Characters
%                       ----- ------- ----------


\def \PSbackslash       {\char 134\relax}
\def \PSbar             {\char 138\relax}
\def \PSbullet          {\char 142\relax}
\def \PSbraceleft       {\char 137\relax}
\def \PSbraceright      {\char 139\relax}
\def \PScent            {\char 148\relax}
\def \PScopyright       {\char 145\relax}
\def \PScurrency        {\char 149\relax}
\def \PSdagger          {\char 140\relax}
\def \PSddagger         {\char 141\relax}
\def \PSdollar          {\char 131\relax}
\def \PSgreater         {\char 133\relax}
\def \PSless            {\char 132\relax}
\def \PSordfeminine     {\char 155\relax}
\def \PSordmasculine    {\char 156\relax}
\def \PSparagraph       {\char 143\relax}
\def \PSperthousand     {\char 157\relax}
\def \PSpolishL         {\char "A1\relax}
\def \PSpolishl         {\char "A2\relax}
\def \PSregistered      {\char 146\relax}
\def \PSsection         {\char 144\relax}
\def \PSsterling        {\char 158\relax}
\def \PStrademark       {\char 147\relax}
\def \PSunderscore      {\char 136\relax}
\def \PSudquote         {\char 135\relax}
\def \PSusquote         {\char 160\relax}
\def \PSyen             {\char 159\relax}

%                       Import EPS File
%                       ------ --- ----


% The illustration \special is compatible with DVIPSONE, and with TeXtures
% if clip? is false.
% The scale is interpreted as follows:
%   <= 33.333: normal scale, 1.0 = 100%
%    > 33.333: TeX scale factor, 1000 = 100%

\def \specialimportartfile #1#2#3{%             {name}{scale}{clip?}
  \special{illustration #1 scaled #2
           \if #3clip\fi}}

% This macro is a better variant of the preceding one. The scale
% argument is a true scale specified in points.

\def \specialplaceepsfile #1#2#3{%              {name}{scale}{clip?}
  {\tdimena = #2%
   \if \dimgtrp{\tdimena}{33.333pt}%            % Compensate for bizarre
     \multiply \tdimena by 1000\relax           % design of scaled option.
   \fi
   \special{illustration #1 scaled \thefactor\tdimena
            \if #3\space clip\fi}}}

% This macro is used to import an EPS file for a glyph. The scale
% is specified as a percentage IN POINTS.

\def \specialplaceglyph #1#2#3{%                {name}{percentage}{clip?}
  {\tdimena = #2%
   \divide \tdimena by 100
   \special{illustration #1 scaled \thefactor\tdimena
            \if #3\space clip\fi}}}

%                       Read EPS Bounding Box
%                       ---- --- -------- ---


\definedimen{\zbbxorigin}{0pt}
\definedimen{\zbbyorigin}{0pt}


{\catcode`\%=\catother
\gdef \zpercent {%}
} % \catcode

\edef \zboundingbox {\zpercent\zpercent BoundingBox}
\def \zatend {atend}
\definecount{\zbbstate}{0}


\def \zreadepsbb #1#2#3{%                       {\width}{\height}{file}
  \def \zbbinfo {}%
  \begingroup
    \zsetepscatcodes
    \openin \zreada #3\relax
    \zbbstate = 0
    \loop
      \read \zreada to \zline
      \ifeof \zreada
        \zbbstate = 2
      \else
        \expandafter\zcheckbb \zline:.\zmark
      \fi
    \ifnum \zbbstate < 2 \repeat
    \closein \zreada
  \endgroup
  \zsetbbsizes{#1}{#2}{#3}}

\def \zsetepscatcodes {%
  \catcoderange{0}{"1F}{\catcomment}%
  \catcode `\^^I = \catspace
  \catcode \endlinechar = \catendofline
  \uncatcode{\false}{\false}{\false}%
  \catcode `\: = \catother
  \catcoderange{"7E}{"FF}{\catcomment}}

\long \def \zcheckbb #1:#2#3\zmark{%
  \def \znext {#1}%
  \ifx \znext \zboundingbox
    \zcheckatend #2#3()\zmark
  \fi}

\long \def \zcheckatend #1(#2)#3\zmark{%
  \def \znext {#2}%
  \ifx \znext \zatend
    \zbbstate = 1
  \else
    \gdef \zbbinfo {#1}%
    \ifnum \zbbstate = 0 \zbbstate = 2\fi
  \fi}

\def \zsetbbsizes #1#2#3{%
  \if \emptydefp{\zbbinfo}%
    \warning{missbb}{Art file `#3' has no bounding box}%
    #1 = 20pc #2 = 10pc
  \else
    \expandafter \zcalcbb \zbbinfo \zmark{#1}{#2}%
  \fi}

\def \zcalcbb #1 #2 #3 #4 #5\zmark#6#7{%
  \calculate #6= {#3pt,-,#1pt,+,1pt}%
  \calculate #7= {#4pt,-,#2pt,+,1pt}%
  \global\zbbxorigin = #1pt
  \global\zbbyorigin = #2pt\relax}

%                       Rotate Boxes
%                       ------ -----


\def \rotatebox #1#2{%                                  {\box}{degrees}
  \special{CTM: push rotate #2}%
  \box #1%
  \special{CTM: pop}}

\def \rotatetext #1#2{%                                 {text}{degrees}
  \setbox \zboxa = \hbox{#1}%
  \rotatebox{\zboxa}{#2}}

%                       Colors
%                       ------


\def \colorspecial #1{%
  \if \allowcolor
    \special{#1}%
  \fi}

% These commands are called in the output routine to make sure that
% everything added in the output routine is black.

\def \zoutputbeginblack {%
  \colorspecial{color push gray 0}}

\def \zoutputendblack {%
  \colorspecial{color pop}}

%                       Color Block
%                       ---- ------


\defineblock{\color}{\endcolor}{\false}{}

%~block color Type
% \colorspec = {...}                    % Color specifier.
%~end

\definetoks{\colorspec}


\def \color #1{%                                        {type}
  \beginblockscope{color}%
  \global\increment \colordepth
  \processdesign{\color}{#1}%
  \global\increment \colornumber
  \colorspecial{color push}%
  \the\colorspec\zmark
  \if \vmodep \vpenalty{\breaknever}\fi}

\def \endcolor {%
  \global\decrement \colordepth
  \endblockscope{color}%
  \colorspecial{color pop}}


\def \setcolor #1{%
  \begingroup
  \processdesign{\color}{#1}%
  \the\colorspec\zmark
  \endgroup}

% Color specifiers:

\def \cmykcolor #1 #2 #3 #4\zmark{%                     c m y k\zmark
  \colorspecial{color cmyk #1 #2 #3 #4}}

\def \graycolor #1\zmark{%                              gray\zmark
  \colorspecial{color gray #1}}

\def \rgbcolor #1 #2 #3\zmark{%                         r g b\zmark
  \colorspecial{color rgb #1 #2 #3}}

% Built-in colors:

\def \colorblackdesign {%
  \colorspec = {\graycolor 0}}

\def \colorwhitedesign {%
  \colorspec = {\graycolor 1}}

\def \colorproofnotereddesign {%
  \colorspec = {\rgbcolor .5 0 0}}

% A useful shorthand:

\def \colortext #1#2{%                                  {color}{text}
  \color{#1}#2\endcolor}

%                       TeXtures
%                       --------


\def \TeXtures {%
  \input zztures\relax}