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1 perry 1 GFTODVI
2 !!!GFTODVI
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 ENVIRONMENT
8 FILES
9 SEE ALSO
10 AUTHORS
11 ----
12 !!NAME
13
14
15 gftodvi - make proof sheets from generic font files
16 !!SYNOPSIS
17
18
19 __gftodvi__ [[ __-overflow-label-offset__''=real'' ]
20 [[ __-verbose__ ] [[ ''gf_file_name'' ]
21 !!DESCRIPTION
22
23
24 This manual page is not meant to be exhaustive. The complete
25 documentation for this version of TEX can be found in the
26 info file or manual ''Web2C: A TeX
27 implementation''.
28
29
30 The __gftodvi__ program converts a generic font
31 (''gf'') file output by, for example, mf(1), to a
32 device independent (DVI) file (that can then be typeset
33 using the same software that has already been written for
34 TEX). The characters in the ''gf'' file will appear one
35 per page, with labels, titles, and annotations as specified
36 in Appendix H (Hardcopy Proofs) of ''The M
37 ETAFONT book''.
38
39
40 __gftodvi__ uses other fonts in addition to the main
41 ''gf'' file. A `gray' font is used to typeset the pixels
42 that actually make up the character. (We wouldn't want all
43 the pixels to be simply black, since then labels, key
44 points, and other information would be lost.) A `title' font
45 is used for the information at the top of the page. A
46 `label' font is used for the labels on key points of the
47 figure. A `slant' font is used to typeset diagonal lines,
48 which otherwise have to be simulated using horizontal and
49 vertical rules. The default gray, title, and label fonts are
50 ''gray'', ''cmr8'', and ''cmtt10'', respectively;
51 there is no default slant font.
52
53
54 To change the default fonts, you can give __special__
55 commands in your M ETAFONT source file, or
56 you can change the fonts online. An online dialog ensues if
57 you end the ''gf_file_name'' with a `/'. For
58 example,
59
60
61 gftodvi cmr10.300gf/
62
63
64 Special font substitution: grayfont black
65
66
67 OK; any more? grayfontarea /home/art/don/
68
69
70 OK; any more? slantfont
71 /home/fonts/slantimagen6
72
73
74 OK; any more?
75
76
77 will use ''/home/art/don/black'' as the `gray' font and
78 ''/home/fonts/slantimagen6'' as the `slant' font (this
79 name indicates a font for lines with slope 1/6 at the
80 resolution of an Imagen printer).
81
82
83 The ''gf_file_name'' on the command line must be
84 complete. (The program prompts you for it if you don't give
85 it.) Because the resolution is part of the extension, it
86 would not make sense to append a default extension as is
87 done with TEX or DVI-reading software. The output file name
88 defaults to the same root as the ''gf'' file, with the
89 ''dvi'' extension added. For example, the input file
90 ''cmr10.2602gf'' would become
91 ''cmr10.dvi''.
92 !!OPTIONS
93
94
95 The argument to __-overflow-label-offset__ specifies the
96 distance from the right edge of the character bounding box
97 at which the overflow equations (if any) are typeset. The
98 value is given in TEX points. The default is a little over
99 two inches.
100
101
102 Without the __-verbose__ option, __gftodvi__ operates
103 silently. With it, a banner and progress report are printed
104 on ''stdout''.
105 !!ENVIRONMENT
106
107
108 __gftodvi__ looks for ''gf_file_name'' using the
109 environment variable GFFONTS. If that is not set, it uses
110 the variable TEXFONTS. If that is not set, it uses the
111 system default.
112
113
114 See tex(1) for the details of the
115 searching.
116 !!FILES
117
118
119 ''{gray.tfm,...}''
120
121
122 The default fonts.
123
124
125 ''{gray.mf,...}''
126
127
128 The M ETAFONT sources.
129 !!SEE ALSO
130
131
132 tex(1), mf(1).
133 Donald E. Knuth, ''The M ETAFONT book''
134 (Volume C of ''Computers and Typesetting''),
135 Addison-Wesley, 1986, ISBN 0-201-13445-4.
136 Donald E. Knuth et al., ''M ETAFONT
137 ware''.
138 !!AUTHORS
139
140
141 Donald E. Knuth wrote the program. It was published as part
142 of the ''M ETAFONT ware'' technical
143 report, available from the TEX Users Group. Paul Richards
144 ported it to Unix.
145 ----
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