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package PDF::Imposition; |
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3
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use strict; |
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use warnings; |
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use Module::Load; |
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7803
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use Types::Standard qw/Enum Object Maybe Str HashRef/; |
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776080
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13359
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use File::Temp; |
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109319
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629
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3788
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use File::Copy; |
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14812
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10
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432
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use File::Spec; |
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use File::Basename; |
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10
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515
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4393
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use Data::Dumper; |
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44006
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484
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4177
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use PDF::Cropmarks; |
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1966113
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375
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use namespace::clean; |
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69
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15
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use constant { |
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DEBUG => $ENV{AMW_DEBUG}, |
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3351
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}; |
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use Moo; |
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44
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=head1 NAME |
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PDF::Imposition - Perl module to manage the PDF imposition |
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25
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=head1 VERSION |
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27
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Version 0.24 |
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29
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=cut |
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31
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our $VERSION = '0.24'; |
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33
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sub version { |
34
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87
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87
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1
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384
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return "PDF::Imposition $VERSION PDF::Cropmarks " |
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. $PDF::Cropmarks::VERSION; |
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} |
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38
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39
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=head1 SYNOPSIS |
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41
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This module is meant to simplify the so-called imposition, i.e., |
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rearrange the pages of a PDF to get it ready to be printed and folded, |
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with more logical pages placed on the sheet, usually (but not |
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exclusively) on recto and verso. |
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46
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This is what the routine looks like: |
47
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48
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use PDF::Imposition; |
49
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my $imposer = PDF::Imposition->new(file => "test.pdf", |
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outfile => "out.pdf", |
51
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# or # suffix => "-imposed", |
52
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signature => "40-80", |
53
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cover => 0, |
54
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schema => "2up"); |
55
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$imposer->impose; |
56
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print "Output left in " . $imposer->outfile; |
57
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58
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59
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Please note that you don't pass the PDF dimensions (which are |
60
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extracted from the source PDF itself by the class, using the very |
61
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first page: if you want imposition, I do the reasonable assumption you |
62
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have all the pages with the same dimensions). |
63
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64
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=head1 METHODS |
65
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66
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=head2 Costructor options and accessors |
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68
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=head3 file |
69
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70
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The input file |
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72
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=head3 outfile |
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74
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The output file |
75
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76
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=head3 suffix |
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78
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The suffix of the output file (don't mix the two options). |
79
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80
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=head3 schema |
81
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82
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The schema to use. |
83
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84
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=over 4 |
85
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86
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=item 2up |
87
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88
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See L |
89
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90
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=item 2down |
91
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92
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See L |
93
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94
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=item 2x4x2 |
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96
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See L |
97
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98
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=item 2side |
99
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100
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See L |
101
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102
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=item 4up |
103
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104
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See L |
105
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106
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=item 1x4x2cutfoldbind |
107
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108
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See L |
109
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110
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=item 1repeat2top |
111
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112
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See L |
113
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114
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=item 1repeat2side |
115
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116
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See L |
117
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118
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=item 1repeat4 |
119
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120
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See L |
121
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122
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=item ea4x4 |
123
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124
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See L |
125
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126
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=item 1x8x2 |
127
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128
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See L |
129
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130
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=item 1x1 |
131
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132
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See L |
133
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134
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=back |
135
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136
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=head3 cover |
137
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138
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If the last logical page must be placed at the very end, B the |
139
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blank pages used to pad the signature. (C<2up>, C<2down> |
140
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C<1x4x2cutfoldbind>, C<4up>, C<1x1> only). |
141
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142
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Often it happens that we want the last page of the pdf to be the last |
143
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one on the physical booklet after folding. If C is set to a |
144
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true value, the last page of the logical pdf will be placed on the |
145
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last page of the last signature. |
146
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147
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=head3 signature |
148
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149
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The signature (integer multiple of four or range): C<2up> and C<2down> only. |
150
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151
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=head3 paper |
152
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153
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Passing this option triggers the cropmarks. While the original |
154
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dimensions are left unchanged, this size represents the size of the |
155
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logical page which is actually imposed. |
156
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157
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For example, you have a PDF in a6, you pass C as paper, and schema |
158
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C<2up>, you are going to get an a4 with 2 a6 with cropmarks. |
159
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160
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This option is passed to L. See the module |
161
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documentation for the accepted values. |
162
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163
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=head3 title |
164
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165
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The title to set in the PDF meta information. Defaults to the basename. |
166
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167
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=head2 Cropmarks options |
168
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169
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The following options are passed verbatim to L. See |
170
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the module documentation for the meaning and accepted values. |
171
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172
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=head3 paper_thickness |
173
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174
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Defaults to C<0.1mm> |
175
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176
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=head3 font_size |
177
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178
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Defaults to C<8pt> |
179
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180
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=head3 cropmark_offset |
181
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182
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Defaults to C<1mm> |
183
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184
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=head3 cropmark_length |
185
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186
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Defaults to C<12mm> |
187
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188
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=head2 impose |
189
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190
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Main method which does the actual job. You have to call this to get |
191
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your file. It returns the output filename. |
192
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193
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=head2 version |
194
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195
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Return the version string. |
196
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197
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=cut |
198
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199
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sub BUILDARGS { |
200
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87
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87
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1
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3208871
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my ($class, %options) = @_; |
201
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87
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100
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553
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my $schema = lc(delete $options{schema} || '2up'); # default |
202
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87
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312
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$options{_version} = $class->version; |
203
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87
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206
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my $loadclass = __PACKAGE__ . '::Schema' . $schema; |
204
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87
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257
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my %our_options; |
205
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87
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233
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foreach my $cropmark_opt (qw/paper |
206
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cropmark_offset |
207
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cropmark_length |
208
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font_size |
209
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paper_thickness/) { |
210
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435
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100
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762
|
if (exists $options{$cropmark_opt}) { |
211
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60
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117
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$our_options{$cropmark_opt} = $options{$cropmark_opt}; |
212
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} |
213
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} |
214
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87
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385
|
load $loadclass; |
215
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86
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100
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3556
|
unless ($options{title}) { |
216
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85
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100
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305
|
if ($options{file}) { |
217
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66
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2936
|
$options{title} = basename($options{file}); |
218
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} |
219
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} |
220
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221
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86
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|
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1378
|
my $imposer = $loadclass->new(%options); |
222
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86
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|
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|
2454
|
$our_options{imposer} = $imposer; |
223
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86
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174
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$our_options{schema} = $schema; |
224
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86
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164
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$our_options{_schema_class} = $loadclass; |
225
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86
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150
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$our_options{title} = $options{title}; |
226
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86
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307
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$our_options{_schema_options} = { %options }; |
227
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86
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1400
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return \%our_options; |
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} |
229
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230
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has schema => (is => 'ro', |
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required => 1, |
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isa => Enum[__PACKAGE__->available_schemas]); |
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234
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has _schema_class => (is => 'ro', |
235
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isa => Str, |
236
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required => 1); |
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238
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has _schema_options => (is => 'ro', |
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isa => HashRef, |
240
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required => 1); |
241
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242
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has imposer => (is => 'rwp', |
243
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required => 1, |
244
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handles => [qw/file outfile suffix |
245
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cover |
246
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signature |
247
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computed_signature |
248
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total_pages |
249
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orig_width |
250
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orig_height |
251
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dimensions |
252
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total_output_pages |
253
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/], |
254
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isa => Object); |
255
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256
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has paper => (is => 'ro', |
257
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isa => Maybe[Str]); |
258
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259
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has paper_thickness => (is => 'ro', |
260
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isa => Str, |
261
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default => sub { '0.1mm' }); |
262
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263
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has cropmark_offset => (is => 'ro', |
264
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isa => Str, |
265
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default => sub { '1mm' }); |
266
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267
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has cropmark_length => (is => 'ro', |
268
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isa => Str, |
269
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default => sub { '12mm' }); |
270
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271
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has font_size => (is => 'ro', |
272
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isa => Str, |
273
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default => sub { '8pt' }); |
274
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275
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has title => (is => 'ro', |
276
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isa => Maybe[Str]); |
277
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278
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has job_name => (is => 'lazy', |
279
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isa => Str); |
280
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281
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sub _build_job_name { |
282
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28
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28
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241
|
my $self = shift; |
283
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28
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33
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117
|
my $name = $self->title || basename($self->file); |
284
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28
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371
|
return $name; |
285
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} |
286
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287
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sub impose { |
288
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66
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66
|
1
|
18442
|
my $self = shift; |
289
|
66
|
|
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|
333
|
my $tmpdir = File::Temp->newdir(CLEANUP => !DEBUG); |
290
|
66
|
100
|
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|
|
26143
|
if (my $cropmark_paper = $self->paper) { |
291
|
28
|
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41
|
my %imposer_options = %{ $self->_schema_options }; |
|
28
|
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238
|
|
292
|
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|
# clone the parameter and set outfile and file |
293
|
|
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|
294
|
28
|
|
66
|
|
|
99
|
$imposer_options{outfile} ||= $self->imposer->output_filename; |
295
|
28
|
|
|
|
|
311
|
my $crop_output = $imposer_options{file} = File::Spec->catfile($tmpdir, 'with-crop-marks.pdf'); |
296
|
|
|
|
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|
|
|
297
|
|
|
|
|
|
|
# pass it to cropmarks |
298
|
|
|
|
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|
|
my %crop_args = ( |
299
|
|
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|
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|
|
title => $self->job_name, |
300
|
|
|
|
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|
|
input => $self->file, |
301
|
|
|
|
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|
|
output => $crop_output, |
302
|
|
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|
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|
|
paper => $cropmark_paper, |
303
|
|
|
|
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|
|
cover => $imposer_options{cover}, |
304
|
28
|
|
|
|
|
836
|
signature => $self->imposer->computed_signature, |
305
|
|
|
|
|
|
|
paper_thickness => $self->paper_thickness, |
306
|
|
|
|
|
|
|
cropmark_offset => $self->cropmark_offset, |
307
|
|
|
|
|
|
|
cropmark_length => $self->cropmark_length, |
308
|
|
|
|
|
|
|
font_size => $self->font_size, |
309
|
|
|
|
|
|
|
$self->imposer->cropmarks_options, |
310
|
|
|
|
|
|
|
); |
311
|
28
|
|
|
|
|
54
|
print Dumper(\%crop_args) if DEBUG; |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
# rebuild the imposer, which should free the memory as well |
314
|
28
|
|
|
|
|
669
|
$self->_set_imposer($self->_schema_class->new(%imposer_options)); |
315
|
|
|
|
|
|
|
|
316
|
28
|
|
|
|
|
47281
|
my $cropper = PDF::Cropmarks->new(%crop_args); |
317
|
28
|
|
|
|
|
59985
|
$cropper->add_cropmarks; |
318
|
24
|
|
|
|
|
15217114
|
print "# cropping output in $crop_output\n" if DEBUG; |
319
|
24
|
|
|
|
|
124
|
print Dumper($self->imposer) if DEBUG; |
320
|
|
|
|
|
|
|
} |
321
|
|
|
|
|
|
|
# in any case impose |
322
|
62
|
|
|
|
|
16045
|
return $self->imposer->impose; |
323
|
|
|
|
|
|
|
} |
324
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
=head2 available_schemas |
326
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
Called on the class (not on the object returned by C) will report |
328
|
|
|
|
|
|
|
the list of available schema. |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
E.g. |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
PDF::Imposition->available_schemas; |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
=cut |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
sub available_schemas { |
337
|
13
|
|
|
13
|
1
|
339
|
return qw/2up 2down 2side 2x4x2 1x4x2cutfoldbind |
338
|
|
|
|
|
|
|
4up 1repeat2top 1repeat2side 1repeat4 ea4x4 |
339
|
|
|
|
|
|
|
1x8x2 1x1/ |
340
|
|
|
|
|
|
|
} |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
=head1 INTERNALS |
343
|
|
|
|
|
|
|
|
344
|
|
|
|
|
|
|
=over 4 |
345
|
|
|
|
|
|
|
|
346
|
|
|
|
|
|
|
=item BUILDARGS |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
=item imposer |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
=back |
351
|
|
|
|
|
|
|
|
352
|
|
|
|
|
|
|
=head1 AUTHOR |
353
|
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
Marco Pessotto, C<< >> |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
=head1 BUGS |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
Please report any bugs or feature requests to the author's email. If |
359
|
|
|
|
|
|
|
you find a bug, please provide a minimal example file which reproduces |
360
|
|
|
|
|
|
|
the problem (so I can add it to the test suite). |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
Or, at your discretion, feel free to use the CPAN's RT. |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
=head1 SUPPORT |
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
You can find documentation for this module with the perldoc command. |
367
|
|
|
|
|
|
|
|
368
|
|
|
|
|
|
|
perldoc PDF::Imposition |
369
|
|
|
|
|
|
|
|
370
|
|
|
|
|
|
|
=head1 REPOSITORY |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
L |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
=head1 SEE ALSO |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
=over 4 |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
=item psutils |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
L (shipped by any decent |
381
|
|
|
|
|
|
|
GNU/Linux distro and in TeXlive!). If you don't bother the |
382
|
|
|
|
|
|
|
PDF->PS->PDF route, it's a great and useful tool which just aged well. |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
=item pdfpages |
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
L |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
=item pdfjam |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
L |
391
|
|
|
|
|
|
|
(buil on the top of pdfpages) |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
=item ConTeXt |
394
|
|
|
|
|
|
|
|
395
|
|
|
|
|
|
|
L |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
The names of schemas are taken straight from the ConTeXt ones (if |
398
|
|
|
|
|
|
|
existing), as described in the book I, by Willi |
399
|
|
|
|
|
|
|
Egger, Hans Hagen and Taco Hoekwater, 2011. |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
=back |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
=head1 TODO |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
The idea is to provide a wide range of imposition schemas (at least |
406
|
|
|
|
|
|
|
the same provided by ConTeXt). This could require some time. If you |
407
|
|
|
|
|
|
|
want to contribute, feel free to fork the repository and send a pull |
408
|
|
|
|
|
|
|
request or a patch (please include documentation and at some tests). |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
=head1 LICENSE |
411
|
|
|
|
|
|
|
|
412
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify |
413
|
|
|
|
|
|
|
it under the terms of either: the GNU General Public License as |
414
|
|
|
|
|
|
|
published by the Free Software Foundation; or the Artistic License. |
415
|
|
|
|
|
|
|
|
416
|
|
|
|
|
|
|
=cut |
417
|
|
|
|
|
|
|
|
418
|
|
|
|
|
|
|
1; # End of PDF::Imposition |