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-rw-r--r--bk_pdf.c156
-rw-r--r--in_sfnt.c46
-rw-r--r--paper.h10
3 files changed, 150 insertions, 62 deletions
diff --git a/bk_pdf.c b/bk_pdf.c
index 74944f0..d75244d 100644
--- a/bk_pdf.c
+++ b/bk_pdf.c
@@ -14,9 +14,6 @@ paragraph *pdf_config_filename(char *filename)
return cmdline_cfg_simple("pdf-filename", filename, NULL);
}
-typedef struct object_Tag object;
-typedef struct objlist_Tag objlist;
-
struct object_Tag {
objlist *list;
object *next;
@@ -31,10 +28,6 @@ struct objlist_Tag {
object *head, *tail;
};
-static object *new_object(objlist *list);
-static void objtext(object *o, char const *text);
-static void objstream(object *o, char const *text);
-static void objstream_len(object *o, char const *text, size_t len);
static void pdf_string(void (*add)(object *, char const *),
object *, char const *);
static void pdf_string_len(void (*add)(object *, char const *),
@@ -137,8 +130,11 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
objtext(resources, "<<\n/ProcSet [/PDF/Text]\n/Font <<\n");
for (fe = doc->fonts->head; fe; fe = fe->next) {
char fname[40];
+ char buf[80];
int i, prev;
- object *font;
+ object *font, *fontdesc;
+ int flags;
+ font_info const *fi = fe->font->info;
sprintf(fname, "f%d", font_index++);
fe->name = dupstr(fname);
@@ -151,26 +147,13 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
objref(resources, font);
objtext(resources, "\n");
- objtext(font, "<<\n/Type /Font\n/Subtype /Type1\n/Name /");
- objtext(font, fe->name);
- objtext(font, "\n/BaseFont /");
- objtext(font, fe->font->info->name);
- objtext(font, "\n/Encoding <<\n/Type /Encoding\n/Differences [");
-
- for (i = 0; i < 256; i++) {
- char buf[20];
- if (fe->vector[i] == NOGLYPH)
- continue;
- if (i != prev + 1) {
- sprintf(buf, "\n%d", i);
- objtext(font, buf);
- }
- objtext(font, i % 8 ? "/" : "\n/");
- objtext(font, glyph_extern(fe->vector[i]));
- prev = i;
- }
- objtext(font, "\n]\n>>\n");
+ /*
+ * Construct those parts of the font descriptor that don't dependd
+ * on the file format.
+ */
+ if (!is_std_font(fe->font->info->name)) {
+ fontdesc = new_object(&olist);
#define FF_FIXEDPITCH 0x00000001
#define FF_SERIF 0x00000002
@@ -182,36 +165,6 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
#define FF_SMALLCAP 0x00020000
#define FF_FORCEBOLD 0x00040000
- if (!is_std_font(fe->font->info->name)){
- object *widths = new_object(&olist);
- object *fontdesc = new_object(&olist);
- int firstchar = -1, lastchar = -1;
- char buf[80];
- font_info const *fi = fe->font->info;
- int flags;
- for (i = 0; i < 256; i++)
- if (fe->vector[i] != NOGLYPH) {
- if (firstchar < 0) firstchar = i;
- lastchar = i;
- }
- sprintf(buf, "/FirstChar %d\n/LastChar %d\n/Widths ",
- firstchar, lastchar);
- objtext(font, buf);
- objref(font, widths);
- objtext(font, "\n");
- objtext(widths, "[\n");
- for (i = firstchar; i <= lastchar; i++) {
- double width;
- if (fe->vector[i] == NOGLYPH)
- width = 0.0;
- else
- width = find_width(fe->font, fe->vector[i]);
- sprintf(buf, "%g\n", 1000.0 * width / FUNITS_PER_PT);
- objtext(widths, buf);
- }
- objtext(widths, "]\n");
- objtext(font, "/FontDescriptor ");
- objref(font, fontdesc);
objtext(fontdesc, "<<\n/Type /FontDescriptor\n/Name /");
objtext(fontdesc, fi->name);
flags = 0;
@@ -236,6 +189,76 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
objtext(fontdesc, buf);
sprintf(buf, "/StemV %g\n", fi->stemv);
objtext(fontdesc, buf);
+ }
+
+ objtext(font, "<<\n/Type /Font\n/BaseFont /");
+ objtext(font, fe->font->info->name);
+ if (fe->font->info->filetype == TRUETYPE) {
+ object *cidfont = new_object(&olist);
+ object *cmap = new_object(&olist);
+ objtext(font, "/Subtype/Type0\n/Encoding ");
+ sfnt_cmap(fe, cmap);
+ objref(font, cmap);
+ objtext(font, "\n/DescendantFonts[");
+ objref(font, cidfont);
+ objtext(font, "]\n");
+ objtext(cidfont, "<<\n/Type/Font\n/Subtype/CIDFontType2\n"
+ "/BaseFont/");
+ objtext(cidfont, fe->font->info->name);
+ objtext(cidfont, "\n/CIDSystemInfo<</Registry(Adobe)"
+ "/Ordering(Identity)/Supplement 0>>\n");
+ objtext(cidfont, "/FontDescriptor ");
+ objref(cidfont, fontdesc);
+ objtext(cidfont, ">>\n");
+ } else {
+ objtext(font, "/Subtype /Type1\n");
+ objtext(font, "\n/Encoding <<\n/Type /Encoding\n/Differences [");
+
+ for (i = 0; i < 256; i++) {
+ char buf[20];
+ if (fe->vector[i] == NOGLYPH)
+ continue;
+ if (i != prev + 1) {
+ sprintf(buf, "\n%d", i);
+ objtext(font, buf);
+ }
+ objtext(font, i % 8 ? "/" : "\n/");
+ objtext(font, glyph_extern(fe->vector[i]));
+ prev = i;
+ }
+
+ objtext(font, "\n]\n>>\n");
+ if (!is_std_font(fe->font->info->name)){
+ object *widths = new_object(&olist);
+ int firstchar = -1, lastchar = -1;
+ for (i = 0; i < 256; i++)
+ if (fe->vector[i] != NOGLYPH) {
+ if (firstchar < 0) firstchar = i;
+ lastchar = i;
+ }
+ sprintf(buf, "/FirstChar %d\n/LastChar %d\n/Widths ",
+ firstchar, lastchar);
+ objtext(font, buf);
+ objref(font, widths);
+ objtext(font, "\n");
+ objtext(widths, "[\n");
+ for (i = firstchar; i <= lastchar; i++) {
+ double width;
+ if (fe->vector[i] == NOGLYPH)
+ width = 0.0;
+ else
+ width = find_width(fe->font, fe->vector[i]);
+ sprintf(buf, "%g\n", 1000.0 * width / FUNITS_PER_PT);
+ objtext(widths, buf);
+ }
+ objtext(widths, "]\n");
+ objtext(font, "/FontDescriptor ");
+ objref(font, fontdesc);
+ }
+
+ }
+
+ if (!is_std_font(fe->font->info->name)) {
if (fi->fontfile && fi->filetype == TYPE1) {
object *fontfile = new_object(&olist);
size_t len;
@@ -254,6 +277,17 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
objtext(fontfile, "/Length3 0\n");
objtext(fontdesc, "/FontFile ");
objref(fontdesc, fontfile);
+ } else if (fi->fontfile && fi->filetype == TRUETYPE) {
+ object *fontfile = new_object(&olist);
+ size_t len;
+ char *ffbuf;
+
+ sfnt_data((font_info *)fi, &ffbuf, &len);
+ objstream_len(fontfile, ffbuf, len);
+ sprintf(buf, "<<\n/Length1 %lu\n", (unsigned long)len);
+ objtext(fontfile, buf);
+ objtext(fontdesc, "/FontFile2 ");
+ objref(fontdesc, fontfile);
}
objtext(fontdesc, "\n>>\n");
}
@@ -581,7 +615,7 @@ void pdf_backend(paragraph *sourceform, keywordlist *keywords,
sfree(filename);
}
-static object *new_object(objlist *list)
+object *new_object(objlist *list)
{
object *obj = snew(object);
@@ -607,17 +641,17 @@ static object *new_object(objlist *list)
return obj;
}
-static void objtext(object *o, char const *text)
+void objtext(object *o, char const *text)
{
rdaddsc(&o->main, text);
}
-static void objstream_len(object *o, char const *text, size_t len)
+void objstream_len(object *o, char const *text, size_t len)
{
rdaddsn(&o->stream, text, len);
}
-static void objstream(object *o, char const *text)
+void objstream(object *o, char const *text)
{
rdaddsc(&o->stream, text);
}
diff --git a/in_sfnt.c b/in_sfnt.c
index fe16941..9e21bf2 100644
--- a/in_sfnt.c
+++ b/in_sfnt.c
@@ -802,3 +802,49 @@ void sfnt_writeps(font_info const *fi, FILE *ofp) {
sfree(breaks);
fprintf(ofp, "end /%s exch definefont\n", fi->name);
}
+
+void sfnt_cmap(font_encoding *fe, object *cmap) {
+ unsigned i;
+
+ objtext(cmap, "<</Type/CMap\n/CMapName/");
+ objtext(cmap, fe->name);
+ objtext(cmap, "\n/CIDSystemInfo<</Registry(Adobe)/Ordering(Identity)"
+ "/Supplement 0>>\n");
+ objstream(cmap, "%!PS-Adobe-3.0 Resource-CMap\n"
+ "%%DocumentNeededResources: procset CIDInit\n"
+ "%%IncludeResource: procset CIDInit\n"
+ "%%BeginResource: CMap ");
+ objstream(cmap, fe->name);
+ objstream(cmap, "\n%%Title (");
+ objstream(cmap, fe->name);
+ objstream(cmap, " Adobe Identity 0)\n%%Version: 1\n%%EndComments\n");
+ objstream(cmap, "/CIDInit/ProcSet findresource begin\n");
+ objstream(cmap, "12 dict begin begincmap\n");
+ objstream(cmap, "/CIDSystemInfo 3 dict dup begin\n"
+ "/Registry(Adobe)def/Ordering(Identity)def/Supplement 0 def "
+ "end def\n");
+ objstream(cmap, "/CMapName/");
+ objstream(cmap, fe->name);
+ objstream(cmap, " def/CMapType 0 def/WMode 0 def\n");
+ objstream(cmap, "1 begincodespacerange<00><FF>endcodespacerange\n");
+ for (i = 0; i < 256; i++) {
+ char buf[20];
+ if (fe->vector[i] == NOGLYPH)
+ continue;
+ objstream(cmap, "1 begincidchar");
+ sprintf(buf, "<%02X>", i);
+ objstream(cmap, buf);
+ sprintf(buf, "%hu", sfnt_glyphtoindex(fe->font->info->fontfile,
+ fe->vector[i]));
+ objstream(cmap, buf);
+ objstream(cmap, " endcidchar\n");
+ }
+ objstream(cmap, "endcmap CMapName currentdict /CMap defineresource pop "
+ "end end\n%%EndResource\n%%EOF\n");
+}
+
+void sfnt_data(font_info *fi, char **bufp, size_t *lenp) {
+ sfnt *sf = fi->fontfile;
+ *bufp = sf->data;
+ *lenp = sf->len;
+}
diff --git a/paper.h b/paper.h
index b68fd5f..3f20fc2 100644
--- a/paper.h
+++ b/paper.h
@@ -393,8 +393,14 @@ const int *ps_std_font_widths(char const *fontname);
const kern_pair *ps_std_font_kerns(char const *fontname);
/*
- * Function from bk_pdf.c borrowed by bk_ps.c
+ * Functions exported from bk_pdf.c
*/
+typedef struct object_Tag object;
+typedef struct objlist_Tag objlist;
+object *new_object(objlist *list);
+void objtext(object *o, char const *text);
+void objstream(object *o, char const *text);
+void objstream_len(object *o, char const *text, size_t len);
char *pdf_outline_convert(wchar_t *s, int *len);
/*
@@ -413,5 +419,7 @@ void pf_writeps(font_info const *fi, FILE *ofp);
* Backend functions exported by in_sfnt.c
*/
void sfnt_writeps(font_info const *fi, FILE *ofp);
+void sfnt_cmap(font_encoding *fe, object *);
+void sfnt_data(font_info *fi, char **bufp, size_t *lenp);
#endif
generated by cgit v1.1 at 2026-04-25 12:13:30 +0000