Thu, 13 Mar 2003 08:03:11 +0000
Acrobat 4.0 fails to optimize PDF files in which the Kids array in the Pages object is an indirect reference.
1 /*
2 * t2p: Create a PDF file from the contents of one or more TIFF
3 * bilevel image files. The images in the resulting PDF file
4 * will be compressed using ITU-T T.6 (G4) fax encoding.
5 *
6 * PDF routines
7 * $Id: pdf_text.c,v 1.1 2003/03/12 23:57:21 eric Exp $
8 * Copyright 2003 Eric Smith <eric@brouhaha.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation. Note that permission is
13 * not granted to redistribute this program under the terms of any
14 * other version of the General Public License.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
24 */
27 #include <stdbool.h>
28 #include <stdint.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
34 #include "bitblt.h"
35 #include "pdf.h"
36 #include "pdf_util.h"
37 #include "pdf_prim.h"
38 #include "pdf_private.h"
42 static void pdf_write_text_content_callback (pdf_file_handle pdf_file,
43 struct pdf_obj *stream,
44 void *app_data)
45 {
46 pdf_stream_printf (pdf_file, stream,
47 "BT /F1 24 Tf 100 100 Td (Hello World) Tj ET\r\n");
48 }
51 static struct pdf_obj *pdf_create_font (pdf_page_handle pdf_page)
52 {
53 struct pdf_obj *font = pdf_new_ind_ref (pdf_page->pdf_file,
54 pdf_new_obj (PT_DICTIONARY));
55 pdf_set_dict_entry (font, "Type", pdf_new_name ("Font"));
56 pdf_set_dict_entry (font, "Subtype", pdf_new_name ("Type1"));
57 pdf_set_dict_entry (font, "Name", pdf_new_name ("F1"));
58 pdf_set_dict_entry (font, "BaseFont", pdf_new_name ("Helvetica"));
59 pdf_set_dict_entry (font, "Encoding", pdf_new_name ("MacRomanEncoding"));
61 return (font);
62 }
64 void pdf_write_text (pdf_page_handle pdf_page)
65 {
66 struct pdf_obj *font;
67 struct pdf_obj *font_dict;
68 struct pdf_obj *content_stream;
70 font = pdf_create_font (pdf_page);
72 font_dict = pdf_new_ind_ref (pdf_page->pdf_file,
73 pdf_new_obj (PT_DICTIONARY));
75 pdf_set_dict_entry (font_dict, "F1", font);
77 pdf_set_dict_entry (pdf_page->resources, "Font", font_dict);
79 pdf_add_array_elem_unique (pdf_page->procset, pdf_new_name ("Text"));
81 content_stream = pdf_new_ind_ref (pdf_page->pdf_file,
82 pdf_new_stream (pdf_page->pdf_file,
83 pdf_new_obj (PT_DICTIONARY),
84 & pdf_write_text_content_callback,
85 NULL));
87 pdf_set_dict_entry (pdf_page->page_dict, "Contents", content_stream);
89 pdf_write_ind_obj (pdf_page->pdf_file, content_stream);
90 }