Support for embedding TrueType fonts in PDF output. The code isn't the most

[sgt/halibut] / in_sfnt.c

diff --git a/in_sfnt.c b/in_sfnt.c
index fe16941..9e21bf2 100644 (file)
--- 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;
+}