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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30 | use CssStyleToExpAttr;
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31 |
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32 | sub new
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33 | {
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34 | my $class = shift(@_);
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35 | my $output_dir = shift(@_);
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36 | my $username = shift(@_) || "greenstone";
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37 |
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38 | my $self = { 'items' => [], 'lines' => [], 'constraints' => [] };
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39 |
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40 | $self->{'output_dir'} = $output_dir;
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41 | $self->{'username'} = $username;
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42 |
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43 | return bless $self, $class;
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44 | }
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45 |
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46 | sub getFormattedDate
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47 | {
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48 | my ($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 $fdate;
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68 | }
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69 |
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70 | sub convertStyleToAttr
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71 | {
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72 | my ($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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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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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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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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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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94 | # $exp_attr->{'f'} = $exp_font_family.$exp_font_face.$exp_font_size;
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95 |
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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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107 | return $exp_attr;
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108 | }
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109 |
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110 |
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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'} = getFormattedDate("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 | if(defined $attr->{'d'}){
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173 |
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174 | }
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175 | else {
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176 | $attr->{'d'} = "0 0 0"; # black color
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177 | }
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178 |
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179 | }
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180 |
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181 |
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182 | sub setRectPointDefaultAttributes
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183 | {
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184 | my $self = shift @_;
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185 | my ($attr) = @_;
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186 |
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187 |
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188 | $self->setPointDefaultAttributes($attr);
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189 |
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190 | if((defined $attr->{'d'}) && (defined $attr->{'h'})){
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191 |
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192 | }
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193 | else {
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194 | $attr->{'d'} = "80 80 80"; # grey color for rect lines
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195 | $attr->{'h'} = "1.0"; # line thickness
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196 | }
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197 | }
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198 |
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199 |
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200 | sub addRectPoint
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201 | {
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202 | my $self = shift @_;
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203 | my ($x, $y, $attr) = @_;
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204 |
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205 | my %attr_copy = %$attr; # make a private copy of 'attr'
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206 |
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207 | $self->setRectPointDefaultAttributes(\%attr_copy);
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208 |
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209 | my $items = $self->{'items'};
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210 |
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211 | $attr_copy{'P'} = "$x $y";
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212 |
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213 | return $self->_addItem("P",\%attr_copy);
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214 | }
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215 |
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216 | sub addText
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217 | {
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218 | my $self = shift @_;
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219 | my ($x,$y,$text,$w,$attr) = @_;
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220 |
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221 | my %attr_copy = %$attr; #make a private copy of 'attr'
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222 |
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223 | $self->setTextDefaultAttributes(\%attr_copy);
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224 | my $items = $self->{'items'};
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225 |
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226 | $attr_copy{'P'} = "$x $y";
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227 | $attr_copy{'T'} = $text;
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228 | $attr_copy{'w'} = "-$w" if (defined $w);
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229 |
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230 | return $self->_addItem("T",\%attr_copy);
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231 | }
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232 |
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233 | sub addLine
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234 | {
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235 | my $self = shift @_;
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236 |
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237 | my ($item_id1,$item_id2) = @_;
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238 |
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239 | my $lines = $self->{'lines'};
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240 | my $line_type = 1;
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241 |
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242 | my $next_free_id = $self->_nextFreeId();
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243 |
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244 | my $attr = { 'L' => "$next_free_id $line_type" };
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245 |
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246 | $attr->{'s'} = "$item_id1 $item_id2";
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247 |
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248 | push(@$lines,$attr);
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249 |
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250 | return ($attr,$next_free_id);
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251 | }
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252 |
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253 |
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254 | sub addConstraint
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255 | {
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256 | my $self = shift @_;
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257 |
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258 | my ($orientation,$item_id1,$item_id2) = @_;
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259 |
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260 | my $constraints = $self->{'constraints'};
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261 |
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262 | my $orientation_type = undef;
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263 | if ($orientation eq "vertical") {
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264 | $orientation_type = 2;
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265 | }
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266 | else {
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267 | # assume horizontal for now
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268 | $orientation_type = 3;
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269 | }
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270 |
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271 | my $next_free_id = $self->_nextFreeId();
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272 |
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273 | my $attr = { 'C' => "$next_free_id $orientation_type" };
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274 |
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275 | $attr->{'s'} = "$item_id1 $item_id2";
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276 |
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277 | push(@$constraints,$attr);
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278 |
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279 | return ($attr,$next_free_id);
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280 | }
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281 |
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282 |
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283 | sub addRect
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284 | {
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285 | my $self = shift @_;
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286 |
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287 | my ($xl, $yt, $xr, $yb, $attr) = @_;
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288 |
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289 | # do point in same order Expeditee puts them in
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290 | my ($p_tr,$p_tr_id) = $self->addRectPoint($xr,$yt,$attr);
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291 | my ($p_tl,$p_tl_id) = $self->addRectPoint($xl,$yt,$attr);
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292 | my ($p_bl,$p_bl_id) = $self->addRectPoint($xl,$yb,$attr);
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293 | my ($p_br,$p_br_id) = $self->addRectPoint($xr,$yb,$attr);
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294 |
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295 | my ($l_t,$l_t_id) = $self->addLine($p_tr_id,$p_tl_id);
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296 | my ($l_l,$l_l_id) = $self->addLine($p_tl_id,$p_bl_id);
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297 | my ($l_b,$l_b_id) = $self->addLine($p_bl_id,$p_br_id);
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298 | my ($l_r,$l_r_id) = $self->addLine($p_br_id,$p_tr_id);
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299 |
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300 | my ($c_t,$c_t_id) = $self->addConstraint("horizontal",$p_tr_id,$p_tl_id);
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301 | my ($c_l,$c_l_id) = $self->addConstraint("vertical" ,$p_tl_id,$p_bl_id);
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302 | my ($c_b,$c_b_id) = $self->addConstraint("horizontal",$p_bl_id,$p_br_id);
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303 | my ($c_r,$c_r_id) = $self->addConstraint("vertical" ,$p_br_id,$p_tr_id);
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304 |
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305 | $p_tr->{'l'} = "$l_t_id $l_r_id";
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306 | $p_tl->{'l'} = "$l_t_id $l_l_id";
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307 | $p_bl->{'l'} = "$l_l_id $l_b_id";
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308 | $p_br->{'l'} = "$l_b_id $l_r_id";
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309 |
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310 | $p_tr->{'c'} = "$c_t_id $c_r_id";
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311 | $p_tl->{'c'} = "$c_t_id $c_l_id";
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312 | $p_bl->{'c'} = "$c_l_id $c_b_id";
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313 | $p_br->{'c'} = "$c_b_id $c_r_id";
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314 |
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315 | }
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316 |
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317 | sub writeHeaderSection
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318 | {
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319 | my $self = shift @_;
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320 |
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321 | # Example header:
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322 | # V 1
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323 | # p 4
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324 | # U davidb
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325 | # D 09Jan2012[13:33]
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326 | # M davidb
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327 | # d 09Jan2012[13:33]
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328 | # Z
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329 | #
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330 |
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331 | # Legend:
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332 | # V = version
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333 | # p = permision level
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334 | # U = username (owner)
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335 | # M = last modified by
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336 | # D, d = date information
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337 | # Z => end of section
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338 |
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339 |
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340 | my $username = $self->{'username'};
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341 |
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342 | my $fdate = getFormattedDate();
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343 |
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344 | print FOUT "V 1\n";
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345 | print FOUT "p 4\n";
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346 | print FOUT "U $username\n";
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347 | print FOUT "D $fdate\n";
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348 | print FOUT "M $username\n";
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349 | print FOUT "d $fdate\n";
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350 | print FOUT "Z\n\n";
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351 |
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352 | }
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353 |
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354 |
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355 | sub writeItemsSection
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356 | {
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357 | my $self = shift @_;
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358 |
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359 | my $items = $self->{'items'};
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360 |
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361 | foreach my $item (@$items) {
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362 |
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363 | my $type = delete $item->{'_type'};
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364 | my $id = delete $item->{'_id'};
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365 |
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366 | if(defined($type) && defined($id)) {
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367 |
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368 | print FOUT "S $type $id\n";
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369 |
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370 | foreach my $a (keys %$item) {
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371 | print FOUT "$a ", $item->{$a}, "\n";
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372 | }
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373 |
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374 | print FOUT "\n";
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375 |
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376 | }
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377 |
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378 | }
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379 |
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380 | print FOUT "Z\n\n";
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381 | }
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382 |
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383 | sub writeLinesSection
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384 | {
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385 | my $self = shift @_;
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386 |
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387 | my $lines = $self->{'lines'};
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388 |
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389 | foreach my $line (@$lines) {
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390 |
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391 | print FOUT "L ", $line->{'L'}, "\n";
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392 | print FOUT "s ", $line->{'s'}, "\n";
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393 |
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394 | print FOUT "\n";
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395 | }
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396 |
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397 | print FOUT "Z\n\n";
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398 |
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399 | }
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400 |
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401 | sub writeConstraintsSection
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402 | {
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403 | my $self = shift @_;
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404 |
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405 | my $constraints = $self->{'constraints'};
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406 |
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407 | foreach my $constraint (@$constraints) {
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408 | print FOUT "C ", $constraint->{'C'}, "\n";
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409 | print FOUT "s ", $constraint->{'s'}, "\n";
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410 |
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411 | print FOUT "\n";
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412 | }
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413 |
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414 | print FOUT "Z\n\n";
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415 | }
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416 |
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417 | sub writeStatisticsSection
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418 | {
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419 | my $self = shift @_;
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420 |
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421 | # Currently do nothing
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422 | }
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423 |
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424 | sub saveZeroFrame
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425 | {
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426 | my $self = shift @_;
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427 | my $file = "0.exp";
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428 |
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429 | my $filename = &util::filename_cat($self->{'output_dir'},$file);
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430 |
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431 | my $status = undef;
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432 |
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433 | my $username = $self->{'username'};
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434 | my $fdate = getFormattedDate();
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435 |
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436 | if (open(FOUT,">$filename")) {
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437 | binmode(FOUT,":utf8");
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438 |
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439 | print FOUT <<EOT;
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440 |
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441 | V 1
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442 | p 4
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443 | U $username
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444 | D $fdate
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445 | M $username
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446 | d $fdate
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447 | Z
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448 |
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449 | Z
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450 |
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451 | Z
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452 |
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453 | Z
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454 |
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455 | EOT
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456 |
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457 | close(FOUT);
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458 | $status = 1;
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459 | }
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460 | else {
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461 | print STDERR "ExpediteeFrameIO::saveZeroFrame() Failed to open $filename for output\n";
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462 | $status = 0;
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463 | }
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464 |
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465 | return $status;
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466 | }
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467 |
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468 | sub writeAssocFilePath
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469 | {
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470 | my $self = shift @_;
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471 | my ($assoc) = @_;
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472 |
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473 | my $x = 318;
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474 | my $y = 123;
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475 | my $text = "\@assocfilepath: $assoc";
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476 |
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477 | my $attr = {};
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478 |
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479 | #add data: gsdl.Metadata: assocfilepath to this piece of text.
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480 | $attr->{'D'} = "gsdl.Metadata: assocfilepath";
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481 |
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482 | $self->addText($x,$y,$text,undef,$attr);
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483 | }
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484 |
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485 | sub saveFrame
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486 | {
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487 | my $self = shift @_;
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488 | my ($file,$assoc) = @_;
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489 |
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490 | if ($file eq "1.exp") {
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491 | $self->saveZeroFrame();
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492 | }
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493 |
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494 | my $filename = &util::filename_cat($self->{'output_dir'},$file);
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495 |
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496 | my $status = undef;
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497 |
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498 | if (open(FOUT,">$filename")) {
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499 | binmode(FOUT,":utf8");
|
---|
500 |
|
---|
501 |
|
---|
502 | $self->writeAssocFilePath($assoc); #write assocfilepath out to frame.
|
---|
503 |
|
---|
504 | $self->writeHeaderSection();
|
---|
505 | $self->writeItemsSection();
|
---|
506 | $self->writeLinesSection();
|
---|
507 | $self->writeConstraintsSection();
|
---|
508 | $self->writeStatisticsSection();
|
---|
509 |
|
---|
510 |
|
---|
511 |
|
---|
512 | close(FOUT);
|
---|
513 | $status = 1;
|
---|
514 | }
|
---|
515 | else {
|
---|
516 | print STDERR "ExpediteeFrameIO::saveFrame() Failed to open $filename for output\n";
|
---|
517 | $status = 0;
|
---|
518 | }
|
---|
519 |
|
---|
520 | return $status;
|
---|
521 | }
|
---|
522 |
|
---|
523 | sub buildFrame
|
---|
524 | {
|
---|
525 | my $self = shift @_;
|
---|
526 | my ($html_node) = @_;
|
---|
527 |
|
---|
528 | my $type = $html_node->{'type'};
|
---|
529 |
|
---|
530 | if ($type eq "rect") {
|
---|
531 |
|
---|
532 | my $rect = $html_node->{'rect'};
|
---|
533 | my $xl = $rect->{'xl'};
|
---|
534 | my $xr = $rect->{'xr'};
|
---|
535 | my $yt = $rect->{'yt'};
|
---|
536 | my $yb = $rect->{'yb'};
|
---|
537 |
|
---|
538 | my $attr = convertStyleToAttr($html_node->{'style'});
|
---|
539 |
|
---|
540 | if (defined $html_node->{'attr'}) {
|
---|
541 | # values provided in 'attr' explicitly overwrite any values
|
---|
542 | # derived from CSS style
|
---|
543 |
|
---|
544 | my $direct_attr_str = $html_node->{'attr'};
|
---|
545 | my @direct_attr_array = split(/\s*;\s*/,$direct_attr_str);
|
---|
546 | foreach my $da (@direct_attr_array) {
|
---|
547 | my ($key,$val) = ($da =~ m/^(.)\s*(.*)$/);
|
---|
548 | $attr->{$key} = $val;
|
---|
549 | }
|
---|
550 | }
|
---|
551 |
|
---|
552 | $self->addRect($xl,$yt,$xr,$yb,$attr);
|
---|
553 |
|
---|
554 | if (defined $html_node->{'img'}) {
|
---|
555 |
|
---|
556 | my $img_url = $html_node->{'img'};
|
---|
557 | $img_url =~ s/^http:\/\/(.*?)\/greenstone3(.*?)\///;
|
---|
558 | if ($img_url =~ m/^interfaces\//) {
|
---|
559 | $img_url = "greenstone3-svn/web/$img_url";
|
---|
560 | }
|
---|
561 | elsif ($img_url =~ m/^sites\//) {
|
---|
562 | # if ($img_url =~ m/^sites\//) {
|
---|
563 | # $img_url =~ s/^sites\/(.*?)\//images\//;
|
---|
564 | $img_url = "greenstone3-svn/web/$img_url";
|
---|
565 | }
|
---|
566 |
|
---|
567 | my $x = $xl;
|
---|
568 | my $y = $yt;
|
---|
569 |
|
---|
570 | my $attr = {};
|
---|
571 |
|
---|
572 | my $img_text = "\@i: $img_url";
|
---|
573 |
|
---|
574 | $self->addText($x,$y,$img_text,undef,$attr);
|
---|
575 | }
|
---|
576 |
|
---|
577 | }
|
---|
578 | elsif ($type eq "text") {
|
---|
579 | my $text = $html_node->{'text'};
|
---|
580 |
|
---|
581 | my $x = $html_node->{'xl'};
|
---|
582 | my $y = $html_node->{'yt'};
|
---|
583 | my $w = $html_node->{'xr'} - $x +1;
|
---|
584 |
|
---|
585 | my $attr = convertStyleToAttr($html_node->{'style'});
|
---|
586 |
|
---|
587 | # fudge factor for now (based on default font size used)
|
---|
588 | $y += 16; # y-value of text item in Expeditee is it's base line
|
---|
589 | $x += 4;
|
---|
590 |
|
---|
591 | my $data = $html_node->{'data'};
|
---|
592 | $attr->{'D'} = $data if defined $data;
|
---|
593 |
|
---|
594 | $self->addText($x,$y,$text,$w,$attr);
|
---|
595 | }
|
---|
596 | else {
|
---|
597 | print STDERR "ExpediteeFrameIO::buildFrame(): Warning, unrecognized type '$type'\n";
|
---|
598 | }
|
---|
599 |
|
---|
600 | my $childNodes = $html_node->{'childNodes'};
|
---|
601 | foreach my $child_node (@$childNodes) {
|
---|
602 | $self->buildFrame($child_node);
|
---|
603 | }
|
---|
604 | }
|
---|
605 |
|
---|
606 |
|
---|
607 | sub saveLastFrameNumber
|
---|
608 | {
|
---|
609 | my $self = shift @_;
|
---|
610 | my ($last_frame_number) = @_;
|
---|
611 |
|
---|
612 | my $filename = &util::filename_cat($self->{'output_dir'},"frame.inf");
|
---|
613 |
|
---|
614 | my $status = undef;
|
---|
615 |
|
---|
616 | if (open(FNOUT,">$filename")) {
|
---|
617 | binmode(FNOUT,":utf8");
|
---|
618 |
|
---|
619 | #writes frameset name concatenated with last frame number in the set to the frame.inf file.
|
---|
620 | my $getFramesetName = $self->{'output_dir'};
|
---|
621 |
|
---|
622 |
|
---|
623 | close(FNOUT);
|
---|
624 | $status = 1;
|
---|
625 | }
|
---|
626 | else {
|
---|
627 | print STDERR "ExpediteeFrameIO::saveLastFrameNumber() Failed to open $filename for output\n";
|
---|
628 | $status = 0;
|
---|
629 | }
|
---|
630 |
|
---|
631 | return $status;
|
---|
632 |
|
---|
633 | }
|
---|
634 |
|
---|
635 | 1;
|
---|