my own PDF routines to replace Panda.

pdf.c

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+#include <stdio.h>
+#include <stdlib.h>
+
+
+#include "libpdf.h"
+#include "libpdf_util.h"
+#include "libpdf_prim.h"
+#include "libpdf_private.h"
+
+
+static void pdf_set_info (pdf_file_handle pdf_file, char *key, char *val)
+{
+  if (! pdf_file->info)
+    pdf_file->info = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
+
+  pdf_set_dict_entry (pdf_file->info, key, pdf_new_string (val));
+}
+
+
+void pdf_init (void)
+{
+}
+
+
+struct pdf_pages *pdf_new_pages (pdf_file_handle pdf_file)
+{
+  struct pdf_pages *pages = pdf_calloc (sizeof (struct pdf_pages));
+  pages->kids = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_ARRAY));
+  pages->count = pdf_new_integer (0);
+  pages->pages_dict = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
+  pdf_set_dict_entry (pages->pages_dict, "Type", pdf_new_name ("Pages"));
+  pdf_set_dict_entry (pages->pages_dict, "Kids", pages->kids);
+  pdf_set_dict_entry (pages->pages_dict, "Count", pages->count);
+  return (pages);
+}
+
+
+pdf_file_handle pdf_create (char *filename)
+{
+  pdf_file_handle pdf_file;
+
+  pdf_file = pdf_calloc (sizeof (struct pdf_file));
+
+  pdf_file->f = fopen (filename, "wb");
+  if (! pdf_file->f)
+    {
+      pdf_fatal ("error opening output file\n");
+    }
+
+  pdf_file->root = pdf_new_pages (pdf_file);
+
+  pdf_file->catalog = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
+  pdf_set_dict_entry (pdf_file->catalog, "Type", pdf_new_name ("Catalog"));
+  pdf_set_dict_entry (pdf_file->catalog, "Pages", pdf_file->root->pages_dict);
+  /* Outlines dictionary will be created later if needed*/
+  pdf_set_dict_entry (pdf_file->catalog, "PageMode", pdf_new_name ("UseNone"));
+
+  pdf_file->info    = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
+  pdf_set_info (pdf_file, "Producer", "libpdf, Copyright 2003 Eric Smith <eric@brouhaha.com>");
+
+  pdf_file->trailer_dict = pdf_new_obj (PT_DICTIONARY);
+  /* Size key will be added later */
+  pdf_set_dict_entry (pdf_file->trailer_dict, "Root", pdf_file->catalog);
+  pdf_set_dict_entry (pdf_file->trailer_dict, "Info", pdf_file->info);
+
+  /* write file header */
+  fprintf (pdf_file->f, "%%PDF-1.2\r\n");
+
+  return (pdf_file);
+}
+
+
+void pdf_close (pdf_file_handle pdf_file)
+{
+  /* write body */
+  pdf_write_all_ind_obj (pdf_file);
+
+  /* write cross reference table and get maximum object number */
+  pdf_set_dict_entry (pdf_file->trailer_dict, "Size", pdf_new_integer (pdf_write_xref (pdf_file)));
+
+  /* write trailer */
+  fprintf (pdf_file->f, "trailer\r\n");
+  pdf_write_obj (pdf_file, pdf_file->trailer_dict);
+  fprintf (pdf_file->f, "startxref\r\n");
+  fprintf (pdf_file->f, "%ld\r\n", pdf_file->xref_offset);
+  fprintf (pdf_file->f, "%%%%EOF\r\n");
+
+  fclose (pdf_file->f);
+  /* should free stuff here */
+}
+
+
+void pdf_set_author   (pdf_file_handle pdf_file, char *author)
+{
+  pdf_set_info (pdf_file, "Author", author);
+}
+
+void pdf_set_creator  (pdf_file_handle pdf_file, char *creator)
+{
+  pdf_set_info (pdf_file, "Creator", creator);
+}
+
+void pdf_set_producer  (pdf_file_handle pdf_file, char *producer)
+{
+  pdf_set_info (pdf_file, "Producer", producer);
+}
+
+void pdf_set_title    (pdf_file_handle pdf_file, char *title)
+{
+  pdf_set_info (pdf_file, "Title", title);
+}
+
+void pdf_set_subject  (pdf_file_handle pdf_file, char *subject)
+{
+  pdf_set_info (pdf_file, "Subject", subject);
+}
+
+void pdf_set_keywords (pdf_file_handle pdf_file, char *keywords)
+{
+  pdf_set_info (pdf_file, "Keywords", keywords);
+}
+
+
+pdf_page_handle pdf_new_page (pdf_file_handle pdf_file,
+			      double width,
+			      double height)
+{
+  pdf_page_handle page = pdf_calloc (sizeof (struct pdf_page));
+
+  page->pdf_file = pdf_file;
+
+  page->media_box = pdf_new_obj (PT_ARRAY);
+  pdf_add_array_elem (page->media_box, pdf_new_real (0));
+  pdf_add_array_elem (page->media_box, pdf_new_real (0));
+  pdf_add_array_elem (page->media_box, pdf_new_real (width));
+  pdf_add_array_elem (page->media_box, pdf_new_real (height));
+
+  page->procset = pdf_new_obj (PT_ARRAY);
+  pdf_add_array_elem (page->procset, pdf_new_name ("PDF"));
+
+  page->resources = pdf_new_obj (PT_DICTIONARY);
+  pdf_set_dict_entry (page->resources, "ProcSet", page->procset);
+
+  page->page_dict = pdf_new_ind_ref (pdf_file, pdf_new_obj (PT_DICTIONARY));
+  pdf_set_dict_entry (page->page_dict, "Type", pdf_new_name ("Page"));
+  pdf_set_dict_entry (page->page_dict, "MediaBox", page->media_box);
+  pdf_set_dict_entry (page->page_dict, "Resources", page->resources);
+
+  /* $$$ currently only support a single-level pages tree */
+  pdf_set_dict_entry (page->page_dict, "Parent", pdf_file->root->pages_dict);
+  pdf_add_array_elem (pdf_file->root->kids, page->page_dict);
+  pdf_set_integer (pdf_file->root->count,
+		   pdf_get_integer (pdf_file->root->count) + 1);
+
+  page->last_XObject_name = '@';  /* first name will be "ImA" */
+
+  return (page);
+}
+
+void pdf_close_page (pdf_page_handle pdf_page)
+{
+}
+
+
+void pdf_set_page_number (pdf_page_handle pdf_page, char *page_number)
+{
+}
+
+void pdf_bookmark (pdf_page_handle pdf_page, int level, char *name)
+{
+}