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package ICC::Profile::mluc; |
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99894
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use strict; |
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use Carp; |
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our $VERSION = 0.13; |
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# revised 2019-06-30 |
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# |
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# Copyright © 2004-2020 by William B. Birkett |
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# inherit from Shared |
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use parent qw(ICC::Shared); |
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# support modules |
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use Encode; # Unicode module |
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8414
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2240
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# create new mluc tag object |
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# use 'text' or 'array' methods to add additional entries |
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# parameters: () |
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# parameters: (language_code, country_code, text) |
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# returns: (ref_to_object) |
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sub new { |
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# get object class |
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my $class = shift(); |
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# create empty mluc object |
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my $self = [ |
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{}, # object header |
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12, # name record size |
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[] # array of name records |
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]; |
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# if three parameters |
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if (@_ == 3) { |
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# verify country and language codes |
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(length($_[0]) == 2 && length($_[1]) == 2) or croak('country or language code wrong length'); |
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# add name record |
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$self->[2][0] = [$_[0], $_[1], 0, 0, $_[2]]; |
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} elsif (@_) { |
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# error |
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croak("wrong number parameters\n"); |
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} |
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51
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# bless object |
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bless($self, $class); |
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54
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# return object reference |
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return($self); |
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} |
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59
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# create mluc tag object from ICC profile |
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# parameters: (ref_to_parent_object, file_handle, ref_to_tag_table_entry) |
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# returns: (ref_to_object) |
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sub new_fh { |
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64
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# get object class |
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my $class = shift(); |
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67
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# create empty mluc object |
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my $self = [ |
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{}, # object header |
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0, # name record size |
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[] # array of name records |
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]; |
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74
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# verify 3 parameters |
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1
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(@_ == 3) or croak('wrong number of parameters'); |
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77
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# read mluc data from profile |
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1
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4
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_readICCmluc($self, @_); |
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80
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# bless object |
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2290
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bless($self, $class); |
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83
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# return object reference |
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return($self); |
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86
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} |
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88
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# writes mluc tag object to ICC profile |
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# parameters: (ref_to_parent_object, file_handle, ref_to_tag_table_entry) |
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sub write_fh { |
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92
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# verify 4 parameters |
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1
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(@_ == 4) or croak('wrong number of parameters'); |
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95
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# write mluc data to profile |
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1
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goto &_writeICCmluc; |
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98
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} |
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100
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# get tag size (for writing to profile) |
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# returns: (tag_size) |
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sub size { |
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104
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# get parameters |
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my ($self) = @_; |
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107
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# local variables |
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my ($text); |
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110
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# if count > 0 |
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if (@{$self->[2]}) { |
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10
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112
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113
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# initialize text size |
114
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$text = 0; |
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116
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# for each name record |
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for my $rec (@{$self->[2]}) { |
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5
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118
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119
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# add text string size |
120
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$text += length($rec->[4]); |
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122
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} |
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124
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# return size (after Unicode encoding) |
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3
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return(16 + @{$self->[2]} * 12 + $text * 2); |
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126
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127
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} else { |
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129
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# return size |
130
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0
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return(12); |
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132
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} |
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134
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} |
135
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136
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# get/set name record array reference |
137
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# parameters: ([ref_to_new_array]) |
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# returns: (ref_to_array) |
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sub array { |
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141
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# get object reference |
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0
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0
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my $self = shift(); |
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144
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# if one parameter supplied |
145
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0
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0
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if (@_ == 1) { |
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0
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146
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147
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# get array reference |
148
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0
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my $array = shift(); |
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150
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# verify parameter (2-D array) |
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0
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(ref($array) eq 'ARRAY' && @{$array} == grep {ref($_) eq 'ARRAY'} @{$array}) or croak('invalid parameter'); |
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152
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153
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# init name record array |
154
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0
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$self->[2] = []; |
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156
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# for each entry |
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for my $i (0 .. $#{$array}) { |
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158
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159
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# verify entry |
160
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0
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0
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(@{$array->[$i]} == 5 && 5 == grep {! ref($_)} @{$array->[$i]}) or croak('invalid record entry'); |
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161
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162
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# verify country and language codes |
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0
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0
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(length($array->[$i][0]) == 2 && length($array->[$i][1]) == 2) or croak('country or language code wrong length'); |
164
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165
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# add name record |
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$self->[2][$i] = [@{$array->[$i]}]; |
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167
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168
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} |
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170
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} elsif (@_) { |
171
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172
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# error |
173
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croak("too many parameters\n"); |
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175
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} |
176
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177
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# return array reference |
178
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return($self->[2]); |
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180
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} |
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182
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# get/set Unicode mluc string |
183
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# updates text if language/country found |
184
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# otherwise, adds new table entry |
185
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# parameters: (language_code, country_code, [text]) |
186
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# returns: (mluc_string) |
187
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sub text { |
188
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189
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# get parameters |
190
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0
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0
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0
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my $self = shift(); |
191
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192
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# local variables |
193
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0
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0
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my (@match); |
194
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195
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# if two parameters (get) |
196
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0
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0
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if (@_ == 2) { |
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0
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197
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198
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# return if name record count = 0 |
199
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0
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0
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return if (@{$self->[2]} == 0); |
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0
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200
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201
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# match country and language codes |
202
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0
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0
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0
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@match = grep {$_->[1] eq $_[1] && $_->[0] eq $_[0]} @{$self->[2]}; |
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0
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0
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0
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203
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204
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# match country code |
205
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0
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0
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@match = grep {$_->[1] eq $_[1]} @{$self->[2]} if (@match == 0); |
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0
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0
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0
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206
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207
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# match language code |
208
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0
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0
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0
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@match = grep {$_->[0] eq $_[0]} @{$self->[2]} if (@match == 0); |
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0
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0
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0
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0
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209
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210
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# use first name record |
211
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0
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0
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0
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@match = ($self->[2][0]) if (@match == 0); |
212
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213
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# return name record string |
214
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0
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0
|
return($match[0][4]); |
215
|
|
|
|
|
|
|
|
216
|
|
|
|
|
|
|
# if three parameters (set) |
217
|
|
|
|
|
|
|
} elsif (@_ == 3) { |
218
|
|
|
|
|
|
|
|
219
|
|
|
|
|
|
|
# match country and language codes |
220
|
0
|
0
|
|
|
|
0
|
@match = grep {($_->[1] eq $_[1]) && ($_->[0] eq $_[0])} @{$self->[2]}; |
|
0
|
|
|
|
|
0
|
|
|
0
|
|
|
|
|
0
|
|
221
|
|
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|
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|
|
|
222
|
|
|
|
|
|
|
# if match found |
223
|
0
|
0
|
|
|
|
0
|
if (@match) { |
224
|
|
|
|
|
|
|
|
225
|
|
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|
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|
|
# set name record text |
226
|
0
|
|
|
|
|
0
|
$match[0][4] = $_[2]; |
227
|
|
|
|
|
|
|
|
228
|
|
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|
|
} else { |
229
|
|
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|
|
|
|
|
230
|
|
|
|
|
|
|
# verify country and language codes |
231
|
0
|
0
|
0
|
|
|
0
|
(length($_[0]) == 2 && length($_[1]) == 2) or croak('country or language code wrong length'); |
232
|
|
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|
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|
|
|
233
|
|
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|
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|
|
# add new name record |
234
|
0
|
|
|
|
|
0
|
push(@{$self->[2]}, [$_[0], $_[1], 0, 0, $_[2]]); |
|
0
|
|
|
|
|
0
|
|
235
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
} |
237
|
|
|
|
|
|
|
|
238
|
|
|
|
|
|
|
# return name record string |
239
|
0
|
|
|
|
|
0
|
return($_[2]); |
240
|
|
|
|
|
|
|
|
241
|
|
|
|
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|
|
} else { |
242
|
|
|
|
|
|
|
|
243
|
|
|
|
|
|
|
# warning message |
244
|
0
|
|
|
|
|
0
|
carp('wrong number of parameters'); |
245
|
|
|
|
|
|
|
|
246
|
|
|
|
|
|
|
} |
247
|
|
|
|
|
|
|
|
248
|
|
|
|
|
|
|
} |
249
|
|
|
|
|
|
|
|
250
|
|
|
|
|
|
|
# print object contents to string |
251
|
|
|
|
|
|
|
# format is an array structure |
252
|
|
|
|
|
|
|
# parameter: ([format]) |
253
|
|
|
|
|
|
|
# returns: (string) |
254
|
|
|
|
|
|
|
sub sdump { |
255
|
|
|
|
|
|
|
|
256
|
|
|
|
|
|
|
# get parameters |
257
|
0
|
|
|
0
|
1
|
0
|
my ($self, $p) = @_; |
258
|
|
|
|
|
|
|
|
259
|
|
|
|
|
|
|
# local variables |
260
|
0
|
|
|
|
|
0
|
my ($s, $fmt); |
261
|
|
|
|
|
|
|
|
262
|
|
|
|
|
|
|
# resolve parameter to an array reference |
263
|
0
|
0
|
|
|
|
0
|
$p = defined($p) ? ref($p) eq 'ARRAY' ? $p : [$p] : []; |
|
|
0
|
|
|
|
|
|
264
|
|
|
|
|
|
|
|
265
|
|
|
|
|
|
|
# get format string |
266
|
0
|
0
|
0
|
|
|
0
|
$fmt = defined($p->[0]) && ! ref($p->[0]) ? $p->[0] : 'undef'; |
267
|
|
|
|
|
|
|
|
268
|
|
|
|
|
|
|
# set string to object ID |
269
|
0
|
|
|
|
|
0
|
$s = sprintf("'%s' object, (0x%x)\n", ref($self), $self); |
270
|
|
|
|
|
|
|
|
271
|
|
|
|
|
|
|
# return |
272
|
0
|
|
|
|
|
0
|
return($s); |
273
|
|
|
|
|
|
|
|
274
|
|
|
|
|
|
|
} |
275
|
|
|
|
|
|
|
|
276
|
|
|
|
|
|
|
# read mluc tag from ICC profile |
277
|
|
|
|
|
|
|
# parameters: (ref_to_object, ref_to_parent_object, file_handle, ref_to_tag_table_entry) |
278
|
|
|
|
|
|
|
sub _readICCmluc { |
279
|
|
|
|
|
|
|
|
280
|
|
|
|
|
|
|
# get parameters |
281
|
1
|
|
|
1
|
|
3
|
my ($self, $parent, $fh, $tag) = @_; |
282
|
|
|
|
|
|
|
|
283
|
|
|
|
|
|
|
# local variables |
284
|
1
|
|
|
|
|
2
|
my ($buf, $cnt); |
285
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
# save tag signature |
287
|
1
|
|
|
|
|
4
|
$self->[0]{'signature'} = $tag->[0]; |
288
|
|
|
|
|
|
|
|
289
|
|
|
|
|
|
|
# seek start of tag |
290
|
1
|
|
|
|
|
10
|
seek($fh, $tag->[1], 0); |
291
|
|
|
|
|
|
|
|
292
|
|
|
|
|
|
|
# read type sig and count |
293
|
1
|
|
|
|
|
8
|
read($fh, $buf, 12); |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
# unpack name record count |
296
|
1
|
|
|
|
|
3
|
$cnt = unpack('x8 N', $buf); |
297
|
|
|
|
|
|
|
|
298
|
|
|
|
|
|
|
# return if count = 0 |
299
|
1
|
50
|
|
|
|
4
|
return if ($cnt == 0); |
300
|
|
|
|
|
|
|
|
301
|
|
|
|
|
|
|
# read name record size |
302
|
1
|
|
|
|
|
3
|
read($fh, $buf, 4); |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
# unpack name record size |
305
|
1
|
|
|
|
|
3
|
$self->[1] = unpack('N', $buf); |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
# for each name record |
308
|
1
|
|
|
|
|
3
|
for my $i (0 .. $cnt - 1) { |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
# read name record |
311
|
1
|
|
|
|
|
3
|
read($fh, $buf, $self->[1]); |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
# unpack language/country codes, length and offset |
314
|
1
|
|
|
|
|
5
|
$self->[2][$i] = [unpack('a2 a2 N N', $buf)]; |
315
|
|
|
|
|
|
|
|
316
|
|
|
|
|
|
|
} |
317
|
|
|
|
|
|
|
|
318
|
|
|
|
|
|
|
# for each name record |
319
|
1
|
|
|
|
|
2
|
for my $rec (@{$self->[2]}) { |
|
1
|
|
|
|
|
3
|
|
320
|
|
|
|
|
|
|
|
321
|
|
|
|
|
|
|
# seek text string |
322
|
1
|
|
|
|
|
9
|
seek($fh, $tag->[1] + $rec->[3], 0); |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
# read text string |
325
|
1
|
|
|
|
|
8
|
read($fh, $buf, $rec->[2]); |
326
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
# save decoded Unicode data |
328
|
1
|
|
|
|
|
6
|
$rec->[4] = decode('UTF-16BE', $buf); |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
} |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
} |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
# write mluc tag to ICC profile |
335
|
|
|
|
|
|
|
# parameters: (ref_to_object, ref_to_parent_object, file_handle, ref_to_tag_table_entry) |
336
|
|
|
|
|
|
|
sub _writeICCmluc { |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
# get parameters |
339
|
1
|
|
|
1
|
|
3
|
my ($self, $parent, $fh, $tag) = @_; |
340
|
|
|
|
|
|
|
|
341
|
|
|
|
|
|
|
# local variables |
342
|
1
|
|
|
|
|
2
|
my ($cnt, $offset); |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
# get name record count |
345
|
1
|
|
|
|
|
2
|
$cnt = @{$self->[2]}; |
|
1
|
|
|
|
|
2
|
|
346
|
|
|
|
|
|
|
|
347
|
|
|
|
|
|
|
# seek start of tag |
348
|
1
|
|
|
|
|
8
|
seek($fh, $tag->[1], 0); |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
# write type sig and count |
351
|
1
|
|
|
|
|
16
|
print $fh pack('a4 x4 N', 'mluc', $cnt); |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
# return if count = 0 |
354
|
1
|
50
|
|
|
|
5
|
return if ($cnt == 0); |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
# write name record size |
357
|
1
|
|
|
|
|
4
|
print $fh pack('N', $self->[1]); |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
# compute initial text string offset |
360
|
1
|
|
|
|
|
3
|
$offset = 16 + $cnt * 12; |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
# for each name record |
363
|
1
|
|
|
|
|
2
|
for my $rec (@{$self->[2]}) { |
|
1
|
|
|
|
|
3
|
|
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
# write language/country codes, length and offset |
366
|
1
|
|
|
|
|
3
|
print $fh pack('a2 a2 N N', @{$rec}[0 .. 1], length($rec->[4]) * 2, $offset); |
|
1
|
|
|
|
|
3
|
|
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
# update offset |
369
|
1
|
|
|
|
|
3
|
$offset += length($rec->[4]) * 2; |
370
|
|
|
|
|
|
|
|
371
|
|
|
|
|
|
|
} |
372
|
|
|
|
|
|
|
|
373
|
|
|
|
|
|
|
# for each name record |
374
|
1
|
|
|
|
|
2
|
for my $rec (@{$self->[2]}) { |
|
1
|
|
|
|
|
2
|
|
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
# write the Unicode string |
377
|
1
|
|
|
|
|
4
|
print $fh encode('UTF-16BE', $rec->[4]); |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
} |
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
} |
382
|
|
|
|
|
|
|
|
383
|
|
|
|
|
|
|
1; |