static void pdf_string_len(void (*add)(object *, char const *),
object *, char const *, int);
static void objref(object *o, object *dest);
+static char *pdf_outline_convert(wchar_t *s, int *len);
+
+static int is_std_font(char const *name);
static void make_pages_node(object *node, object *parent, page_data *first,
- page_data *last, object *resources);
+ page_data *last, object *resources,
+ object *mediabox);
static int make_outline(object *parent, outline_element *start, int n,
int open);
static int pdf_versionid(FILE *fp, word *words);
char *filename;
paragraph *p;
objlist olist;
- object *o, *cat, *outlines, *pages, *resources;
+ object *o, *info, *cat, *outlines, *pages, *resources, *mediabox;
int fileoff;
IGNORE(keywords);
filename = dupstr("output.pdf");
for (p = sourceform; p; p = p->next) {
- if (p->type == para_Config && p->parent) {
+ if (p->type == para_Config) {
if (!ustricmp(p->keyword, L"pdf-filename")) {
sfree(filename);
filename = dupstr(adv(p->origkeyword));
olist.head = olist.tail = NULL;
olist.number = 1;
+ {
+ char buf[256];
+
+ info = new_object(&olist);
+ objtext(info, "<<\n");
+ if (doc->n_outline_elements > 0) {
+ char *title;
+ int titlelen;
+
+ title =
+ pdf_outline_convert(doc->outline_elements->pdata->outline_title,
+ &titlelen);
+ objtext(info, "/Title ");
+ pdf_string_len(objtext, info, title, titlelen);
+ sfree(title);
+ objtext(info, "\n");
+ }
+ objtext(info, "/Producer ");
+ sprintf(buf, "Halibut, %s", version);
+ pdf_string(objtext, info, buf);
+ objtext(info, "\n>>\n");
+ }
+
cat = new_object(&olist);
if (doc->n_outline_elements > 0)
outlines = new_object(&olist);
objtext(font, "<<\n/Type /Font\n/Subtype /Type1\n/Name /");
objtext(font, fe->name);
objtext(font, "\n/BaseFont /");
- objtext(font, fe->font->name);
+ objtext(font, fe->font->info->name);
objtext(font, "\n/Encoding <<\n/Type /Encoding\n/Differences [");
for (i = 0; i < 256; i++) {
objtext(font, "\n]\n>>\n");
- {
+#define FF_FIXEDPITCH 0x00000001
+#define FF_SERIF 0x00000002
+#define FF_SYMBOLIC 0x00000004
+#define FF_SCRIPT 0x00000008
+#define FF_NONSYMBOLIC 0x00000020
+#define FF_ITALIC 0x00000040
+#define FF_ALLCAP 0x00010000
+#define FF_SMALLCAP 0x00020000
+#define FF_FORCEBOLD 0x00040000
+
+ if (!is_std_font(fe->font->info->name)){
object *widths = new_object(&olist);
- objtext(font, "/FirstChar 0\n/LastChar 255\n/Widths ");
+ 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->indices[i] >= 0) {
+ 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 = 0; i < 256; i++) {
- char buf[80];
+ for (i = firstchar; i <= lastchar; i++) {
double width;
if (fe->indices[i] < 0)
width = 0.0;
else
- width = fe->font->widths[fe->indices[i]];
- sprintf(buf, "%g\n", 1000.0 * width / 4096.0);
+ width = fi->widths[fe->indices[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;
+ if (fi->italicangle) flags |= FF_ITALIC;
+ flags |= FF_NONSYMBOLIC;
+ sprintf(buf, "\n/Flags %d\n", flags);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/FontBBox [%g %g %g %g]\n", fi->fontbbox[0],
+ fi->fontbbox[1], fi->fontbbox[2], fi->fontbbox[3]);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/ItalicAngle %g\n", fi->italicangle);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/Ascent %g\n", fi->ascent);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/Descent %g\n", fi->descent);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/CapHeight %g\n", fi->capheight);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/XHeight %g\n", fi->xheight);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/StemH %g\n", fi->stemh);
+ objtext(fontdesc, buf);
+ sprintf(buf, "/StemV %g\n", fi->stemv);
+ objtext(fontdesc, buf);
+ if (fi->fp) {
+ object *fontfile = new_object(&olist);
+ char buf[513];
+ size_t len;
+ rewind(fi->fp);
+ do {
+ len = fread(buf, 1, sizeof(buf)-1, fi->fp);
+ buf[len] = 0;
+ objstream(fontfile, buf);
+ } while (len == sizeof(buf)-1);
+ objtext(fontdesc, "/FontFile ");
+ objref(fontdesc, fontfile);
+ }
+ objtext(fontdesc, "\n>>\n");
}
- objtext(font, ">>\n");
+ objtext(font, "\n>>\n");
}
objtext(resources, ">>\n>>\n");
+ {
+ char buf[255];
+ mediabox = new_object(&olist);
+ sprintf(buf, "[0 0 %g %g]\n",
+ doc->paper_width / FUNITS_PER_PT,
+ doc->paper_height / FUNITS_PER_PT);
+ objtext(mediabox, buf);
+ }
+
/*
* Define the page objects for each page, and get each one
* ready to have a `Parent' specification added to it.
/*
* Recursively build the page tree.
*/
- make_pages_node(pages, NULL, doc->pages, NULL, resources);
+ make_pages_node(pages, NULL, doc->pages, NULL, resources, mediabox);
/*
* Create and render the individual pages.
* that it's inheritable and may be omitted if it's present
* in a Pages node. In our case it is: it's present in the
* topmost /Pages node because we carefully put it there.
- * So we don't need a /Resources entry here.
+ * So we don't need a /Resources entry here. The same applies
+ * to /MediaBox.
*/
- sprintf(buf, "/MediaBox [0 0 %g %g]\n",
- doc->paper_width / 4096.0, doc->paper_height / 4096.0);
- objtext(opage, buf);
/*
* Now we're ready to define a content stream containing
*/
for (r = page->first_rect; r; r = r->next) {
char buf[512];
- sprintf(buf, "%g %g %g %g re f\n", r->x / 4096.0,
- r->y / 4096.0, r->w / 4096.0, r->h / 4096.0);
+ sprintf(buf, "%g %g %g %g re f\n",
+ r->x / FUNITS_PER_PT, r->y / FUNITS_PER_PT,
+ r->w / FUNITS_PER_PT, r->h / FUNITS_PER_PT);
objstream(cstr, buf);
}
*/
if (lx < 0) {
sprintf(buf, "1 0 0 1 %g %g Tm ",
- frag->x/4096.0, frag->y/4096.0);
+ frag->x/FUNITS_PER_PT, frag->y/FUNITS_PER_PT);
} else {
sprintf(buf, "%g %g Td ",
- (frag->x - lx)/4096.0, (frag->y - ly)/4096.0);
+ (frag->x - lx)/FUNITS_PER_PT,
+ (frag->y - ly)/FUNITS_PER_PT);
}
objstream(cstr, buf);
lx = x = frag->x;
if (frag->x != x) {
sprintf(buf, "%g",
(x - frag->x) * 1000.0 /
- (4096.0 * frag->fontsize));
+ (FUNITS_PER_PT * frag->fontsize));
objstream(cstr, buf);
}
pdf_string(objstream, cstr, frag->text);
objtext(annot, "<<\n/Type /Annot\n/Subtype /Link\n/Rect [");
sprintf(buf, "%g %g %g %g",
- xr->lx / 4096.0, xr->by / 4096.0,
- xr->rx / 4096.0, xr->ty / 4096.0);
+ xr->lx / FUNITS_PER_PT, xr->by / FUNITS_PER_PT,
+ xr->rx / FUNITS_PER_PT, xr->ty / FUNITS_PER_PT);
objtext(annot, buf);
objtext(annot, "]\n/Border [0 0 0]\n");
/*
* Trailer
*/
- fprintf(fp, "trailer\n<<\n/Size %d\n/Root %d 0 R\n>>\n",
- olist.tail->number + 1, cat->number);
+ fprintf(fp, "trailer\n<<\n/Size %d\n/Root %d 0 R\n/Info %d 0 R\n>>\n",
+ olist.tail->number + 1, cat->number, info->number);
fprintf(fp, "startxref\n%d\n%%%%EOF\n", fileoff);
fclose(fp);
static object *new_object(objlist *list)
{
- object *obj = mknew(object);
+ object *obj = snew(object);
obj->list = list;
rdaddsc(&o->main, buf);
}
+static char const * const stdfonts[] = {
+ "Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",
+ "Helvetica", "Helvetica-Bold", "Helvetica-Oblique","Helvetica-BoldOblique",
+ "Courier", "Courier-Bold", "Courier-Oblique", "Courier-BoldOblique",
+ "Symbol", "ZapfDingbats"
+};
+
+static int is_std_font(char const *name) {
+ unsigned i;
+ for (i = 0; i < lenof(stdfonts); i++)
+ if (strcmp(name, stdfonts[i]) == 0)
+ return TRUE;
+ return FALSE;
+}
+
static void make_pages_node(object *node, object *parent, page_data *first,
- page_data *last, object *resources)
+ page_data *last, object *resources,
+ object *mediabox)
{
int count;
page_data *page;
objtext((object *)thisfirst->spare, "\n");
} else {
object *newnode = new_object(node->list);
- make_pages_node(newnode, node, thisfirst, thislast, NULL);
+ make_pages_node(newnode, node, thisfirst, thislast,
+ NULL, NULL);
objref(node, newnode);
}
objtext(node, "\n");
objref(node, resources);
objtext(node, "\n");
}
+ if (mediabox) {
+ objtext(node, "/MediaBox ");
+ objref(node, mediabox);
+ objtext(node, "\n");
+ }
objtext(node, ">>\n");
}
last = curr;
objtext(curr, "<<\n/Title ");
pdf_string_len(objtext, curr, title, titlelen);
+ sfree(title);
objtext(curr, "\n/Parent ");
objref(curr, parent);
objtext(curr, "\n/Dest [");
~mdw / sgt / halibut / blobdiff