pdf_text.c

Mon, 14 Dec 2009 16:18:21 +0000

author
Philip Pemberton <philpem@philpem.me.uk>
date
Mon, 14 Dec 2009 16:18:21 +0000
changeset 172
2fae6df568f6
parent 125
e2ef1c2f9eca
permissions
-rw-r--r--

remove erroneous 0.33-philpem1 tag

     1 /*
     2  * tumble: build a PDF file from image files
     3  *
     4  * PDF routines
     5  * $Id: pdf_text.c,v 1.2 2003/03/13 00:57:05 eric Exp $
     6  * Copyright 2003 Eric Smith <eric@brouhaha.com>
     7  *
     8  * This program is free software; you can redistribute it and/or modify
     9  * it under the terms of the GNU General Public License version 2 as
    10  * published by the Free Software Foundation.  Note that permission is
    11  * not granted to redistribute this program under the terms of any
    12  * other version of the General Public License.
    13  *
    14  * This program is distributed in the hope that it will be useful,
    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    17  * GNU General Public License for more details.
    18  *
    19  * You should have received a copy of the GNU General Public License
    20  * along with this program; if not, write to the Free Software
    21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
    22  */
    25 #include <stdbool.h>
    26 #include <stdint.h>
    27 #include <stdio.h>
    28 #include <stdlib.h>
    29 #include <string.h>
    32 #include "bitblt.h"
    33 #include "pdf.h"
    34 #include "pdf_util.h"
    35 #include "pdf_prim.h"
    36 #include "pdf_private.h"
    40 static void pdf_write_text_content_callback (pdf_file_handle pdf_file,
    41 					     struct pdf_obj *stream,
    42 					     void *app_data)
    43 {
    44   pdf_stream_printf (pdf_file, stream,
    45 		     "BT /F1 24 Tf 100 100 Td (Hello World) Tj ET\r\n");
    46 }
    49 static struct pdf_obj *pdf_create_font (pdf_page_handle pdf_page)
    50 {
    51   struct pdf_obj *font = pdf_new_ind_ref (pdf_page->pdf_file,
    52 					  pdf_new_obj (PT_DICTIONARY));
    53   pdf_set_dict_entry (font, "Type", pdf_new_name ("Font"));
    54   pdf_set_dict_entry (font, "Subtype", pdf_new_name ("Type1"));
    55   pdf_set_dict_entry (font, "Name", pdf_new_name ("F1"));
    56   pdf_set_dict_entry (font, "BaseFont", pdf_new_name ("Helvetica"));
    57   pdf_set_dict_entry (font, "Encoding", pdf_new_name ("MacRomanEncoding"));
    59   return (font);
    60 }
    62 void pdf_write_text (pdf_page_handle pdf_page)
    63 {
    64   struct pdf_obj *font;
    65   struct pdf_obj *font_dict;
    66   struct pdf_obj *content_stream;
    68   font = pdf_create_font (pdf_page);
    70   font_dict = pdf_new_ind_ref (pdf_page->pdf_file,
    71 			       pdf_new_obj (PT_DICTIONARY));
    73   pdf_set_dict_entry (font_dict, "F1", font);
    75   pdf_set_dict_entry (pdf_page->resources, "Font", font_dict);
    77   pdf_add_array_elem_unique (pdf_page->procset, pdf_new_name ("Text"));
    79   content_stream = pdf_new_ind_ref (pdf_page->pdf_file,
    80 				    pdf_new_stream (pdf_page->pdf_file,
    81 						    pdf_new_obj (PT_DICTIONARY),
    82 						    & pdf_write_text_content_callback,
    83 						    NULL));
    85   pdf_set_dict_entry (pdf_page->page_dict, "Contents", content_stream);
    87   pdf_write_ind_obj (pdf_page->pdf_file, content_stream);
    88 }