[24934] | 1 | ###########################################################################
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| 2 | #
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| 3 | # ExpediteeFrameIO.pm --
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| 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 2009 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistr te it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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| 26 | package ExpediteeFrameIO;
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| 27 |
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| 28 | use strict;
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| 29 |
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[24941] | 30 | use CssStyleToExpAttr;
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| 31 |
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[24934] | 32 | sub new
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| 33 | {
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| 34 | my $class = shift(@_);
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[24938] | 35 | my $output_dir = shift(@_);
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| 36 | my $username = shift(@_) || "greenstone";
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[24934] | 37 |
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| 38 | my $self = { 'items' => [], 'lines' => [], 'constraints' => [] };
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| 39 |
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[24938] | 40 | $self->{'output_dir'} = $output_dir;
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[24934] | 41 | $self->{'username'} = $username;
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| 42 |
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| 43 | return bless $self, $class;
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| 44 | }
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| 45 |
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| 46 | sub getFormatedDate
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| 47 | {
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| 48 | my ($opt_mode) = @_;
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| 49 |
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| 50 | my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
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| 51 |
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| 52 | my @mabbr = qw( Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec );
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| 53 |
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| 54 | $year += 1900;
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| 55 |
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| 56 | my $fdate;
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| 57 |
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| 58 | if ((defined $opt_mode) && ($opt_mode eq "highPrecision")) {
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| 59 | $fdate = sprintf("%02d%s%04d[%02d:%0d2.%02d]",
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| 60 | $mday, $mabbr[$mon],$year,$hour,$min,$sec);
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| 61 | }
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| 62 | else {
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| 63 | $fdate = sprintf("%02d%s%04d[%02d:%0d2]",
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| 64 | $mday, $mabbr[$mon],$year,$hour,$min);
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| 65 | }
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| 66 |
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| 67 | return $fdate;
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| 68 | }
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| 69 |
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[24939] | 70 | sub convertStyleToAttr
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| 71 | {
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| 72 | my ($css_attr) = @_;
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| 73 |
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| 74 | my $exp_attr = {};
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| 75 |
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| 76 | # load up some defaults for font information
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[24941] | 77 | my $exp_font_family = "s"; # t
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| 78 | my $exp_font_face = "r";
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| 79 | my $exp_font_size = "14";
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[24939] | 80 |
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| 81 | # if (defined $css_attr->{'font-family'}) {
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| 82 | # $font_family = $font_family_lookup->[$css_attr->{'font-family'}];
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| 83 | # }
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| 84 |
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[24941] | 85 | if (defined $css_attr->{'font-size'}) {
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| 86 | my $css_font_size = $css_attr->{'font-size'};
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| 87 | $exp_font_size = CssStyleToExpAttr::convert_font_size($css_font_size);
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| 88 | }
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[24939] | 89 |
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| 90 | # if (defined $css_attr->{'font-face'}) {
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| 91 | # $font = conver_font_face($css_attr->{'font-face'});
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| 92 | # }
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| 93 |
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[24941] | 94 | # $exp_attr->{'f'} = $exp_font_family.$exp_font_face.$exp_font_size;
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| 95 |
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[24944] | 96 | # background color
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| 97 |
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| 98 |
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| 99 | if (defined $css_attr->{'background-color'}) {
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| 100 | my $css_color = $css_attr->{'background-color'};
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| 101 |
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| 102 | my $exp_color = CssStyleToExpAttr::convert_color($css_color);
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| 103 |
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| 104 | $exp_attr->{'e'} = $exp_color;
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| 105 | }
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| 106 |
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[24939] | 107 | return $exp_attr;
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| 108 | }
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| 109 |
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| 110 |
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[24934] | 111 | sub _nextFreeId
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| 112 | {
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| 113 | my $self = shift @_;
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| 114 |
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| 115 | my $items = $self->{'items'};
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| 116 | my $lines = $self->{'lines'};
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| 117 | my $constraints = $self->{'constraints'};
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| 118 |
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| 119 | # Ids start at base of 1
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| 120 | return 1+(scalar(@$items) + scalar(@$lines) + scalar(@$constraints));
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| 121 | }
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| 122 |
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| 123 |
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| 124 | sub _addItem
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| 125 | {
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| 126 | my $self = shift @_;
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| 127 | my ($type,$attr) = @_;
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| 128 |
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| 129 | # By this point 'attr' is synonymous with being an item
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| 130 |
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| 131 | my $items = $self->{'items'};
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| 132 |
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| 133 | my $next_free_id = $self->_nextFreeId();
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| 134 |
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| 135 | $attr->{'_type'} = $type;
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| 136 | $attr->{'_id'} = $next_free_id;
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| 137 |
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| 138 | push(@$items,$attr);
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| 139 |
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| 140 | return ($attr,$next_free_id);
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| 141 | }
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| 142 |
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| 143 |
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| 144 |
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| 145 | sub _setBaseDefaultAttributes
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| 146 | {
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| 147 | my $self = shift @_;
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| 148 | my ($attr) = @_;
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| 149 |
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| 150 | $attr->{'o'} = $self->{'username'};
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| 151 | $attr->{'s'} = getFormatedDate("highPrecision");
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| 152 | $attr->{'Q'} = "0"; # gradient
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| 153 | $attr->{'v'} = "S"; # dot type
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| 154 | }
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| 155 |
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| 156 |
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| 157 | sub setPointDefaultAttributes
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| 158 | {
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| 159 | my $self = shift @_;
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| 160 | my ($attr) = @_;
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| 161 |
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| 162 | $self->_setBaseDefaultAttributes($attr);
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| 163 | }
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| 164 |
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| 165 | sub setTextDefaultAttributes
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| 166 | {
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| 167 | my $self = shift @_;
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| 168 | my ($attr) = @_;
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| 169 |
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| 170 | $self->_setBaseDefaultAttributes($attr);
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| 171 |
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| 172 | $attr->{'d'} = "0 0 0"; # black color
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| 173 | }
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| 174 |
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| 175 |
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| 176 | sub setRectPointDefaultAttributes
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| 177 | {
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| 178 | my $self = shift @_;
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| 179 | my ($attr) = @_;
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| 180 |
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| 181 | $self->setPointDefaultAttributes($attr);
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| 182 |
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[24941] | 183 | $attr->{'d'} = "80 80 80"; # green color for rect lines
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| 184 | $attr->{'h'} = "1.0"; # line thickness
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[24934] | 185 | }
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| 186 |
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| 187 |
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| 188 | sub addRectPoint
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| 189 | {
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| 190 | my $self = shift @_;
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| 191 | my ($x, $y, $attr) = @_;
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| 192 |
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| 193 | my %attr_copy = %$attr; # make a private copy of 'attr'
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| 194 |
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| 195 | $self->setRectPointDefaultAttributes(\%attr_copy);
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| 196 |
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| 197 | my $items = $self->{'items'};
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| 198 |
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| 199 | $attr_copy{'P'} = "$x $y";
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| 200 |
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| 201 | return $self->_addItem("P",\%attr_copy);
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| 202 | }
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| 203 |
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| 204 | sub addText
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| 205 | {
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| 206 | my $self = shift @_;
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[24941] | 207 | my ($x, $y, $text, $w, $attr) = @_;
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[24934] | 208 |
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| 209 | my %attr_copy = %$attr; # make a private copy of 'attr'
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| 210 |
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| 211 | $self->setTextDefaultAttributes(\%attr_copy);
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| 212 |
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| 213 | my $items = $self->{'items'};
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| 214 |
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| 215 | $attr_copy{'P'} = "$x $y";
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| 216 | $attr_copy{'T'} = $text;
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[24941] | 217 | $attr_copy{'w'} = "-$w" if (defined $w);
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[24934] | 218 |
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| 219 | return $self->_addItem("T",\%attr_copy);
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| 220 | }
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| 221 |
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| 222 | sub addLine
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| 223 | {
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| 224 | my $self = shift @_;
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| 225 |
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| 226 | my ($item_id1,$item_id2) = @_;
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| 227 |
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| 228 | my $lines = $self->{'lines'};
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| 229 | my $line_type = 1;
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| 230 |
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| 231 | my $next_free_id = $self->_nextFreeId();
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| 232 |
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| 233 | my $attr = { 'L' => "$next_free_id $line_type" };
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| 234 |
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| 235 | $attr->{'s'} = "$item_id1 $item_id2";
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| 236 |
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| 237 | push(@$lines,$attr);
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| 238 |
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| 239 | return ($attr,$next_free_id);
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| 240 | }
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| 241 |
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| 242 |
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| 243 | sub addConstraint
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| 244 | {
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| 245 | my $self = shift @_;
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| 246 |
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| 247 | my ($orientation,$item_id1,$item_id2) = @_;
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| 248 |
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| 249 | my $constraints = $self->{'constraints'};
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| 250 |
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| 251 | my $orientation_type = undef;
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| 252 | if ($orientation eq "vertical") {
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| 253 | $orientation_type = 2;
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| 254 | }
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| 255 | else {
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| 256 | # assume horizontal for now
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| 257 | $orientation_type = 3;
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| 258 | }
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| 259 |
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| 260 | my $next_free_id = $self->_nextFreeId();
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| 261 |
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| 262 | my $attr = { 'C' => "$next_free_id $orientation_type" };
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| 263 |
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| 264 | $attr->{'s'} = "$item_id1 $item_id2";
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| 265 |
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| 266 | push(@$constraints,$attr);
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| 267 |
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| 268 | return ($attr,$next_free_id);
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| 269 | }
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| 270 |
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| 271 |
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| 272 | sub addRect
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| 273 | {
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| 274 | my $self = shift @_;
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| 275 |
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| 276 | my ($xl, $yt, $xr, $yb, $attr) = @_;
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| 277 |
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| 278 | # do point in same order Expeditee puts them in
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| 279 | my ($p_tr,$p_tr_id) = $self->addRectPoint($xr,$yt,$attr);
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| 280 | my ($p_tl,$p_tl_id) = $self->addRectPoint($xl,$yt,$attr);
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| 281 | my ($p_bl,$p_bl_id) = $self->addRectPoint($xl,$yb,$attr);
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| 282 | my ($p_br,$p_br_id) = $self->addRectPoint($xr,$yb,$attr);
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| 283 |
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| 284 | my ($l_t,$l_t_id) = $self->addLine($p_tr_id,$p_tl_id);
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| 285 | my ($l_l,$l_l_id) = $self->addLine($p_tl_id,$p_bl_id);
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| 286 | my ($l_b,$l_b_id) = $self->addLine($p_bl_id,$p_br_id);
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| 287 | my ($l_r,$l_r_id) = $self->addLine($p_br_id,$p_tr_id);
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| 288 |
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| 289 | my ($c_t,$c_t_id) = $self->addConstraint("horizontal",$p_tr_id,$p_tl_id);
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| 290 | my ($c_l,$c_l_id) = $self->addConstraint("vertical" ,$p_tl_id,$p_bl_id);
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| 291 | my ($c_b,$c_b_id) = $self->addConstraint("horizontal",$p_bl_id,$p_br_id);
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| 292 | my ($c_r,$c_r_id) = $self->addConstraint("vertical" ,$p_br_id,$p_tr_id);
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| 293 |
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| 294 | $p_tr->{'l'} = "$l_t_id $l_r_id";
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| 295 | $p_tl->{'l'} = "$l_t_id $l_l_id";
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| 296 | $p_bl->{'l'} = "$l_l_id $l_b_id";
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| 297 | $p_br->{'l'} = "$l_b_id $l_r_id";
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| 298 |
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| 299 | $p_tr->{'c'} = "$c_t_id $c_r_id";
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| 300 | $p_tl->{'c'} = "$c_t_id $c_l_id";
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| 301 | $p_bl->{'c'} = "$c_l_id $c_b_id";
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| 302 | $p_br->{'c'} = "$c_b_id $c_r_id";
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| 303 |
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| 304 | }
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| 305 |
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| 306 | sub writeHeaderSection
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| 307 | {
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| 308 | my $self = shift @_;
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| 309 |
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| 310 | # Example header:
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| 311 | # V 1
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| 312 | # p 4
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| 313 | # U davidb
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| 314 | # D 09Jan2012[13:33]
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| 315 | # M davidb
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| 316 | # d 09Jan2012[13:33]
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| 317 | # Z
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| 318 | #
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| 319 |
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| 320 | # Legend:
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| 321 | # V = version
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| 322 | # p = permision level
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| 323 | # U = username (owner)
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| 324 | # M = last modified by
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| 325 | # D, d = date information
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| 326 | # Z => end of section
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| 327 |
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| 328 |
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| 329 | my $username = $self->{'username'};
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| 330 |
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| 331 | my $fdate = getFormatedDate();
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| 332 |
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| 333 | print FOUT "V 1\n";
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| 334 | print FOUT "p 4\n";
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| 335 | print FOUT "U $username\n";
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| 336 | print FOUT "D $fdate\n";
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| 337 | print FOUT "M $username\n";
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| 338 | print FOUT "d $fdate\n";
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| 339 | print FOUT "Z\n\n";
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| 340 |
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| 341 | }
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| 342 |
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| 343 |
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| 344 | sub writeItemsSection
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| 345 | {
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| 346 | my $self = shift @_;
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| 347 |
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| 348 | my $items = $self->{'items'};
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| 349 |
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| 350 | foreach my $item (@$items) {
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| 351 | my $type = delete $item->{'_type'};
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| 352 | my $id = delete $item->{'_id'};
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| 353 |
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| 354 | print FOUT "S $type $id\n";
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| 355 | foreach my $a (keys %$item) {
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| 356 | print FOUT "$a ", $item->{$a}, "\n";
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| 357 | }
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| 358 |
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| 359 | print FOUT "\n";
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| 360 | }
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| 361 |
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| 362 | print FOUT "Z\n\n";
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| 363 | }
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| 364 |
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| 365 | sub writeLinesSection
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| 366 | {
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| 367 | my $self = shift @_;
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| 368 |
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| 369 | my $lines = $self->{'lines'};
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| 370 |
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| 371 | foreach my $line (@$lines) {
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| 372 |
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| 373 | print FOUT "L ", $line->{'L'}, "\n";
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| 374 | print FOUT "s ", $line->{'s'}, "\n";
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| 375 |
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| 376 | print FOUT "\n";
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| 377 | }
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| 378 |
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| 379 | print FOUT "Z\n\n";
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| 380 |
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| 381 | }
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| 382 |
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| 383 | sub writeConstraintsSection
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| 384 | {
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| 385 | my $self = shift @_;
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| 386 |
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| 387 | my $constraints = $self->{'constraints'};
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| 388 |
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| 389 | foreach my $constraint (@$constraints) {
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| 390 | print FOUT "C ", $constraint->{'C'}, "\n";
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| 391 | print FOUT "s ", $constraint->{'s'}, "\n";
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| 392 |
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| 393 | print FOUT "\n";
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| 394 | }
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| 395 |
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| 396 | print FOUT "Z\n\n";
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| 397 | }
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| 398 |
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| 399 | sub writeStatisticsSection
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| 400 | {
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| 401 | my $self = shift @_;
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| 402 |
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| 403 | # Currently do nothing
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| 404 | }
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| 405 |
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| 406 | sub saveFrame
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| 407 | {
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| 408 | my $self = shift @_;
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[24938] | 409 | my ($file) = @_;
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[24934] | 410 |
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[24938] | 411 | my $filename = &util::filename_cat($self->{'output_dir'},$file);
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| 412 |
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[24934] | 413 | my $status = undef;
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| 414 |
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| 415 | if (open(FOUT,">$filename")) {
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| 416 | binmode(FOUT,":utf8");
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| 417 | $self->writeHeaderSection();
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| 418 | $self->writeItemsSection();
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| 419 | $self->writeLinesSection();
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| 420 | $self->writeConstraintsSection();
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| 421 | $self->writeStatisticsSection();
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| 422 |
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| 423 | close(FOUT);
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| 424 | $status = 1;
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| 425 | }
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| 426 | else {
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[24938] | 427 | print STDERR "ExpediteeFrameIO::saveFrame() Failed to open $filename for output\n";
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[24934] | 428 | $status = 0;
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| 429 | }
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| 430 |
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| 431 | return $status;
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| 432 | }
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| 433 |
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| 434 | sub buildFrame
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| 435 | {
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| 436 | my $self = shift @_;
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| 437 | my ($html_node) = @_;
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| 438 |
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| 439 | my $type = $html_node->{'type'};
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| 440 |
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| 441 | if ($type eq "rect") {
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| 442 |
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| 443 | my $rect = $html_node->{'rect'};
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| 444 | my $xl = $rect->{'xl'};
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| 445 | my $xr = $rect->{'xr'};
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| 446 | my $yt = $rect->{'yt'};
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| 447 | my $yb = $rect->{'yb'};
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| 448 |
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[24939] | 449 | my $attr = convertStyleToAttr($html_node->{'style'});
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[24934] | 450 |
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| 451 | $self->addRect($xl,$yt,$xr,$yb,$attr);
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| 452 |
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[24941] | 453 | if (defined $html_node->{'img'}) {
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| 454 |
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| 455 | my $img_url = $html_node->{'img'};
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[24944] | 456 | $img_url =~ s/^http:\/\/(.*?)\/greenstone3(.*?)\///;
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[24941] | 457 | if ($img_url =~ m/^interfaces\//) {
|
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| 458 | $img_url = "images/$img_url";
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| 459 | }
|
---|
| 460 | elsif ($img_url =~ m/^sites\//) {
|
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| 461 | $img_url =~ s/^sites\/(.*?)\//images\//;
|
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| 462 | }
|
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| 463 |
|
---|
| 464 | my $x = $xl;
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| 465 | my $y = $yt;
|
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| 466 |
|
---|
| 467 | my $attr = {};
|
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| 468 |
|
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| 469 | my $img_text = "\@i: $img_url";
|
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| 470 |
|
---|
| 471 | $self->addText($x,$y,$img_text,undef,$attr);
|
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| 472 | }
|
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| 473 |
|
---|
[24934] | 474 | }
|
---|
| 475 | elsif ($type eq "text") {
|
---|
| 476 | my $text = $html_node->{'text'};
|
---|
| 477 |
|
---|
[24941] | 478 | my $x = $html_node->{'xl'};
|
---|
| 479 | my $y = $html_node->{'yt'};
|
---|
| 480 | my $w = $html_node->{'xr'} - $x +1;
|
---|
[24934] | 481 |
|
---|
[24939] | 482 | my $attr = convertStyleToAttr($html_node->{'style'});
|
---|
[24934] | 483 |
|
---|
[24941] | 484 | # fudge factor for now (based on default font size used)
|
---|
| 485 | $y += 16; # y-value of text item in Expeditee is it's base line
|
---|
| 486 | $x += 4;
|
---|
| 487 |
|
---|
| 488 | $self->addText($x,$y,$text,$w,$attr);
|
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[24934] | 489 | }
|
---|
| 490 | else {
|
---|
| 491 | print STDERR "ExpediteeFrameIO::buildFrame(): Warning, unrecognized type '$type'\n";
|
---|
| 492 | }
|
---|
| 493 |
|
---|
| 494 | my $childNodes = $html_node->{'childNodes'};
|
---|
| 495 | foreach my $child_node (@$childNodes) {
|
---|
| 496 | $self->buildFrame($child_node);
|
---|
| 497 | }
|
---|
| 498 | }
|
---|
| 499 |
|
---|
| 500 |
|
---|
[24938] | 501 | sub saveLastFrameNumber
|
---|
[24934] | 502 | {
|
---|
| 503 | my $self = shift @_;
|
---|
[24938] | 504 | my ($last_frame_number) = @_;
|
---|
[24934] | 505 |
|
---|
[24938] | 506 | my $filename = &util::filename_cat($self->{'output_dir'},"frame.inf");
|
---|
| 507 |
|
---|
| 508 | my $status = undef;
|
---|
| 509 |
|
---|
| 510 | if (open(FNOUT,">$filename")) {
|
---|
[24939] | 511 | binmode(FNOUT,":utf8");
|
---|
[24938] | 512 |
|
---|
| 513 | print FNOUT "$last_frame_number\n";
|
---|
| 514 |
|
---|
| 515 | close(FNOUT);
|
---|
| 516 | $status = 1;
|
---|
| 517 | }
|
---|
| 518 | else {
|
---|
| 519 | print STDERR "ExpediteeFrameIO::saveLastFrameNumber() Failed to open $filename for output\n";
|
---|
| 520 | $status = 0;
|
---|
| 521 | }
|
---|
| 522 |
|
---|
| 523 | return $status;
|
---|
| 524 |
|
---|
[24934] | 525 | }
|
---|
| 526 |
|
---|
| 527 | 1;
|
---|