c9f4223564e06cbbc44579f32f610063e6341c8a
2 * PostScript backend for Halibut
9 static void ps_versionid(FILE *fp
, word
*words
);
11 paragraph
*ps_config_filename(char *filename
)
14 wchar_t *ufilename
, *up
;
18 memset(p
, 0, sizeof(*p
));
19 p
->type
= para_Config
;
21 p
->fpos
.filename
= "<command line>";
22 p
->fpos
.line
= p
->fpos
.col
= -1;
24 ufilename
= ufroma_dup(filename
);
25 len
= ustrlen(ufilename
) + 2 + lenof(L
"ps-filename");
26 p
->keyword
= mknewa(wchar_t, len
);
28 ustrcpy(up
, L
"ps-filename");
30 ustrcpy(up
, ufilename
);
33 assert(up
- p
->keyword
< len
);
39 void ps_backend(paragraph
*sourceform
, keywordlist
*keywords
,
40 indexdata
*idx
, void *vdoc
) {
41 document
*doc
= (document
*)vdoc
;
53 filename
= dupstr("output.ps");
54 for (p
= sourceform
; p
; p
= p
->next
) {
55 if (p
->type
== para_Config
&& p
->parent
) {
56 if (!ustricmp(p
->keyword
, L
"ps-filename")) {
58 filename
= utoa_dup(uadv(p
->keyword
));
63 fp
= fopen(filename
, "w");
65 error(err_cantopenw
, filename
);
69 fprintf(fp
, "%%!PS-Adobe-1.0\n");
70 for (pageno
= 0, page
= doc
->pages
; page
; page
= page
->next
)
72 fprintf(fp
, "%%%%Pages: %d\n", pageno
);
73 fprintf(fp
, "%%%%EndComments\n");
75 fprintf(fp
, "%%%%BeginProlog\n");
76 fprintf(fp
, "%%%%EndProlog\n");
78 fprintf(fp
, "%%%%BeginSetup\n");
81 * This is as good a place as any to put version IDs.
83 for (p
= sourceform
; p
; p
= p
->next
)
84 if (p
->type
== para_VersionID
)
85 ps_versionid(fp
, p
->words
);
88 * Re-encode and re-metric the fonts.
91 for (fe
= doc
->fonts
->head
; fe
; fe
= fe
->next
) {
95 sprintf(fname
, "f%d", font_index
++);
96 fe
->name
= dupstr(fname
);
98 fprintf(fp
, "/%s findfont dup length dict begin\n", fe
->font
->name
);
99 fprintf(fp
, "{1 index /FID ne {def} {pop pop} ifelse} forall\n");
100 fprintf(fp
, "/Encoding [\n");
101 for (i
= 0; i
< 256; i
++)
102 fprintf(fp
, "/%s\n", fe
->vector
[i
] ? fe
->vector
[i
] : ".notdef");
103 fprintf(fp
, "] def /Metrics 256 dict dup begin\n");
104 for (i
= 0; i
< 256; i
++) {
105 if (fe
->indices
[i
] >= 0) {
106 double width
= fe
->font
->widths
[fe
->indices
[i
]];
107 fprintf(fp
, "/%s %g def\n", fe
->vector
[i
],
108 1000.0 * width
/ 4096.0);
111 fprintf(fp
, "end def currentdict end\n");
112 fprintf(fp
, "/fontname-%s exch definefont /%s exch def\n\n",
115 fprintf(fp
, "%%%%EndSetup\n");
118 * Output the text and graphics.
121 for (page
= doc
->pages
; page
; page
= page
->next
) {
126 fprintf(fp
, "%%%%Page: %d %d\n", pageno
, pageno
);
127 fprintf(fp
, "%%%%BeginPageSetup\n");
128 fprintf(fp
, "%%%%EndPageSetup\n");
134 * I used this diagnostic briefly to ensure that
135 * cross-reference rectangles were being put where they
138 for (xr
= page
->first_xref
; xr
; xr
= xr
->next
) {
139 fprintf(fp
, "gsave 0.7 setgray %g %g moveto",
140 xr
->lx
/4096.0, xr
->ty
/4096.0);
141 fprintf(fp
, " %g %g lineto %g %g lineto",
142 xr
->lx
/4096.0, xr
->by
/4096.0,
143 xr
->rx
/4096.0, xr
->by
/4096.0);
144 fprintf(fp
, " %g %g lineto closepath fill grestore\n",
145 xr
->rx
/4096.0, xr
->ty
/4096.0);
150 for (r
= page
->first_rect
; r
; r
= r
->next
) {
151 fprintf(fp
, "%g %g moveto %g 0 rlineto 0 %g rlineto "
152 "-%g 0 rlineto closepath fill\n",
153 r
->x
/ 4096.0, r
->y
/ 4096.0, r
->w
/ 4096.0,
154 r
->h
/ 4096.0, r
->w
/ 4096.0);
157 for (frag
= page
->first_text
; frag
; frag
= frag
->next
) {
160 fprintf(fp
, "%s %d scalefont setfont %g %g moveto (",
161 frag
->fe
->name
, frag
->fontsize
,
162 frag
->x
/4096.0, frag
->y
/4096.0);
164 for (c
= frag
->text
; *c
; c
++) {
165 if (*c
== '(' || *c
== ')' || *c
== '\\')
170 fprintf(fp
, ") show\n");
173 fprintf(fp
, "showpage\n");
176 fprintf(fp
, "%%%%EOF\n");
183 static void ps_versionid(FILE *fp
, word
*words
)
187 for (; words
; words
= words
->next
) {
191 switch (words
->type
) {
201 type
= removeattr(words
->type
);
205 text
= utoa_dup(words
->text
);
207 case word_WhiteSpace
: