tumble / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/pdf_text.c	Thu Mar 13 07:57:21 2003 +0000
     1.3 @@ -0,0 +1,91 @@
     1.4 +/*
     1.5 + * t2p: Create a PDF file from the contents of one or more TIFF
     1.6 + *      bilevel image files.  The images in the resulting PDF file
     1.7 + *      will be compressed using ITU-T T.6 (G4) fax encoding.
     1.8 + *
     1.9 + * PDF routines
    1.10 + * $Id: pdf_text.c,v 1.1 2003/03/12 23:57:21 eric Exp $
    1.11 + * Copyright 2003 Eric Smith <eric@brouhaha.com>
    1.12 + *
    1.13 + * This program is free software; you can redistribute it and/or modify
    1.14 + * it under the terms of the GNU General Public License version 2 as
    1.15 + * published by the Free Software Foundation.  Note that permission is
    1.16 + * not granted to redistribute this program under the terms of any
    1.17 + * other version of the General Public License.
    1.18 + *
    1.19 + * This program is distributed in the hope that it will be useful,
    1.20 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.21 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.22 + * GNU General Public License for more details.
    1.23 + *
    1.24 + * You should have received a copy of the GNU General Public License
    1.25 + * along with this program; if not, write to the Free Software
    1.26 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
    1.27 + */
    1.28 +
    1.29 +
    1.30 +#include <stdbool.h>
    1.31 +#include <stdint.h>
    1.32 +#include <stdio.h>
    1.33 +#include <stdlib.h>
    1.34 +#include <string.h>
    1.35 +
    1.36 +
    1.37 +#include "bitblt.h"
    1.38 +#include "pdf.h"
    1.39 +#include "pdf_util.h"
    1.40 +#include "pdf_prim.h"
    1.41 +#include "pdf_private.h"
    1.42 +
    1.43 +
    1.44 +
    1.45 +static void pdf_write_text_content_callback (pdf_file_handle pdf_file,
    1.46 +					     struct pdf_obj *stream,
    1.47 +					     void *app_data)
    1.48 +{
    1.49 +  pdf_stream_printf (pdf_file, stream,
    1.50 +		     "BT /F1 24 Tf 100 100 Td (Hello World) Tj ET\r\n");
    1.51 +}
    1.52 +
    1.53 +
    1.54 +static struct pdf_obj *pdf_create_font (pdf_page_handle pdf_page)
    1.55 +{
    1.56 +  struct pdf_obj *font = pdf_new_ind_ref (pdf_page->pdf_file,
    1.57 +					  pdf_new_obj (PT_DICTIONARY));
    1.58 +  pdf_set_dict_entry (font, "Type", pdf_new_name ("Font"));
    1.59 +  pdf_set_dict_entry (font, "Subtype", pdf_new_name ("Type1"));
    1.60 +  pdf_set_dict_entry (font, "Name", pdf_new_name ("F1"));
    1.61 +  pdf_set_dict_entry (font, "BaseFont", pdf_new_name ("Helvetica"));
    1.62 +  pdf_set_dict_entry (font, "Encoding", pdf_new_name ("MacRomanEncoding"));
    1.63 +
    1.64 +  return (font);
    1.65 +}
    1.66 +
    1.67 +void pdf_write_text (pdf_page_handle pdf_page)
    1.68 +{
    1.69 +  struct pdf_obj *font;
    1.70 +  struct pdf_obj *font_dict;
    1.71 +  struct pdf_obj *content_stream;
    1.72 +
    1.73 +  font = pdf_create_font (pdf_page);
    1.74 +
    1.75 +  font_dict = pdf_new_ind_ref (pdf_page->pdf_file,
    1.76 +			       pdf_new_obj (PT_DICTIONARY));
    1.77 +
    1.78 +  pdf_set_dict_entry (font_dict, "F1", font);
    1.79 +
    1.80 +  pdf_set_dict_entry (pdf_page->resources, "Font", font_dict);
    1.81 +
    1.82 +  pdf_add_array_elem_unique (pdf_page->procset, pdf_new_name ("Text"));
    1.83 +
    1.84 +  content_stream = pdf_new_ind_ref (pdf_page->pdf_file,
    1.85 +				    pdf_new_stream (pdf_page->pdf_file,
    1.86 +						    pdf_new_obj (PT_DICTIONARY),
    1.87 +						    & pdf_write_text_content_callback,
    1.88 +						    NULL));
    1.89 +
    1.90 +  pdf_set_dict_entry (pdf_page->page_dict, "Contents", content_stream);
    1.91 +
    1.92 +  pdf_write_ind_obj (pdf_page->pdf_file, content_stream);
    1.93 +}
    1.94 +