| 1 | #!/usr/bin/perl -w
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| 2 | #
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| 3 | # A component of the Realistic Book software
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| 4 | # from the New Zealand Digital Library Project at the
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| 5 | # University of Waikato, New Zealand.
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| 6 | #
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| 7 | # Copyright (C) 2007 New Zealand Digital Library Project
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| 8 | #
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| 9 | # This program is free software; you can redistribute it and/or modify
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| 10 | # it under the terms of the GNU General Public License as published by
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| 11 | # the Free Software Foundation; either version 2 of the License, or
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| 12 | # (at your option) any later version.
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| 13 | #
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| 14 | # This program is distributed in the hope that it will be useful,
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| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 17 | # GNU General Public License for more details.
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| 18 | #
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| 19 | # You should have received a copy of the GNU General Public License
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| 20 | # along with this program; if not, write to the Free Software
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| 21 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 22 | #
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| 23 |
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| 24 | #*****************************************************************
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| 25 | #Realistic Book application
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| 26 | # Converting each PDF page into a SWF file. Also produce
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| 27 | # the XHTML input file for the Realistic book program
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| 28 | #
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| 29 | #by Veronica Liesaputra --- 1 August 2007
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| 30 | #*****************************************************************/
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| 31 |
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| 32 | use warnings;
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| 33 | use strict;
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| 34 |
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| 35 | use File::Basename;
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| 36 | use File::Spec::Functions;
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| 37 | use File::Copy;
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| 38 |
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| 39 | BEGIN {
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| 40 | die "REALISTIC_BOOKS_HOME not set. Have you sourced setup.bash?\n"
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| 41 | unless defined $ENV{'REALISTIC_BOOKS_HOME'};
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| 42 | die "RBOS not set. Have you sourced setup.bash?\n"
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| 43 | unless defined $ENV{'RBOS'};
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| 44 | }
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| 45 |
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| 46 |
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| 47 | sub print_usage
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| 48 | {
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| 49 | my ($full_progname) = @_;
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| 50 |
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| 51 | my $progname = basename($full_progname);
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| 52 |
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| 53 | print STDERR "\nUsage: $progname pdf_filename\n";
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| 54 | print STDERR "or perl -S $progname pdf_filename\n\n";
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| 55 |
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| 56 | exit(-1);
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| 57 | }
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| 58 |
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| 59 | sub check_pdf2swf
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| 60 | {
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| 61 | my $output = `pdf2swf --version`;
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| 62 |
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| 63 | if (!defined $output || ($output !~ m/swftools/i)) {
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| 64 | print STDERR "Unable to find pdf2swf: $!\n";
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| 65 | print STDERR "Have you sourced setup.bash (Linux/MacOS)?\n";
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| 66 | print STDERR "Have you run setup.bat (Windows)?\n";
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| 67 | exit(-1);
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | sub check_file
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| 72 | {
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| 73 | my ($filename) = @_;
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| 74 |
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| 75 | if (-d $filename) {
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| 76 | print STDERR "Error: $filename is a directory.\n";
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| 77 | print STDERR " Please specify the PDF file as input.\n";
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| 78 | exit(-1);
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| 79 | }
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| 80 |
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| 81 | if (!-e $filename) {
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| 82 | print STDERR "Error: Unable to find $filename\n";
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| 83 | exit(-1);
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | sub copy_model_col
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| 88 | {
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| 89 | my ($folder_name) = @_;
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| 90 |
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| 91 | #--
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| 92 | # Copy modelcol content to new book folder
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| 93 | # --
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| 94 |
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| 95 | mkdir($folder_name);
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| 96 | my $modelcol_dir = catfile($ENV{'REALISTIC_BOOKS_HOME'},"books","modelcol");
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| 97 | opendir(DIR, $modelcol_dir)
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| 98 | || die "Cannot open directory $modelcol_dir: $!";
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| 99 |
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| 100 | my @model_files = grep { -f catfile($modelcol_dir,$_) } readdir(DIR);
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| 101 | closedir DIR;
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| 102 |
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| 103 | foreach my $f ( @model_files) {
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| 104 | my $src_filename = catfile($modelcol_dir,$f);
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| 105 | my $dst_filename = catfile($folder_name,$f);
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| 106 | copy($src_filename,$dst_filename);
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | sub pdf2swf_info
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| 111 | {
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| 112 | my ($filename) = @_;
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| 113 |
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| 114 | my $cmd = "pdf2swf --info $filename";
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| 115 | if ($ENV{'RBOS'} =~ /^windows$/i) {
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| 116 | $cmd .= " 2>null";
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| 117 | }
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| 118 | else {
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| 119 | $cmd .= " 2>/dev/null";
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| 120 | }
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| 121 |
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| 122 | my @output_lines = split(/\n/,`$cmd`);
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| 123 |
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| 124 | my $last_line = pop(@output_lines);
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| 125 |
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| 126 | # Watch out for trailing \n
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| 127 | $last_line = pop(@output_lines) if ($last_line =~ m/^$/);
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| 128 |
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| 129 | my ($num_pages) = ($last_line =~ m/^page=(\d+)/);
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| 130 |
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| 131 | return $num_pages;
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| 132 | }
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| 133 |
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| 134 |
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| 135 | sub generate_html
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| 136 | {
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| 137 | my ($full_folder_name,$folder_root,$filename) = @_;
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| 138 |
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| 139 | my $num_pages = pdf2swf_info($filename);
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| 140 | print STDOUT "Total page: $num_pages\n";
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| 141 |
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| 142 | my $html_input = "<HTML>\n<title>$folder_root</title>\n<Description>\n";
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| 143 | $html_input = "$html_input<!-- Please do not remove Filename and PageFolder metadata -->\n";
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| 144 | $html_input = "$html_input<Metadata name=\"Filename\">$folder_root</Metadata>\n";
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| 145 | $html_input = "$html_input<Metadata name=\"PageFolder\">.</Metadata>\n";
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| 146 | $html_input = "$html_input<Metadata name=\"StartNumbering\">1</Metadata>\n";
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| 147 | $html_input = "$html_input</Description>\n";
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| 148 |
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| 149 | for (my $i=1; $i<=$num_pages; $i++) {
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| 150 |
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| 151 | my $backFile = "Page_$i.swf";
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| 152 | my $frontFile = "$full_folder_name";
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| 153 | my $output_file = catfile($frontFile,$backFile);
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| 154 | my $imgfile = `pdf2swf -p $i -s insertstop -s zoom=100 $filename -o $output_file`;
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| 155 |
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| 156 | print STDOUT "creating page $i\n";
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| 157 |
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| 158 | $html_input = "$html_input<newpage filename=\"Page_$i\" />\n";
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| 159 | }
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| 160 |
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| 161 | $html_input = "$html_input</HTML>\n";
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| 162 |
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| 163 | return $html_input;
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| 164 | }
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| 165 |
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| 166 |
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| 167 | sub main
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| 168 | {
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| 169 | my ($argc,@argv) = @_;
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| 170 |
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| 171 | my $full_progname = $0;
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| 172 |
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| 173 | if ($argc < 0) {
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| 174 | print_usage($full_progname);
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| 175 | }
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| 176 |
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| 177 | check_pdf2swf();
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| 178 |
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| 179 | my $filename = $argv[0];
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| 180 | check_file($filename);
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| 181 |
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| 182 | # print STDERR "Ignore the message called RegOpenKeyEx failed\n";
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| 183 |
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| 184 | my($file_root, $fulldir, $file_ext) = fileparse($filename,qr/\.[^.]*/);
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| 185 |
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| 186 | my $full_folder_name = catfile($ENV{'REALISTIC_BOOKS_HOME'},"books",$file_root);
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| 187 |
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| 188 | copy_model_col($full_folder_name);
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| 189 |
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| 190 | my $html_input = generate_html($full_folder_name,$file_root,$filename);
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| 191 |
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| 192 | # Write out HTML file
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| 193 | my $html_file = catfile($full_folder_name,"pages.htm");
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| 194 | open (PROD, ">$html_file") || die("Error Writing to File: $html_file $!");
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| 195 | print STDERR "Creating $html_file\n";
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| 196 |
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| 197 | print PROD $html_input;
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| 198 | close (PROD) || die("Error Closing File: $html_file $!");
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| 199 |
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| 200 |
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| 201 | print STDOUT "Realistic book generated in $full_folder_name\n";
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| 202 |
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| 203 | }
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| 204 |
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| 205 |
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| 206 | &main(scalar(@ARGV),@ARGV);
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