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#------------------------------------------------------------------------------ |
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# File: WritePostScript.pl |
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# |
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# Description: Write PostScript meta information |
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# |
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# Revisions: 03/03/2006 - P. Harvey Created |
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# |
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# References: (see references in PostScript.pm, plus:) |
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# 1) http://www.adobe.com/products/postscript/pdfs/PLRM.pdf |
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# 2) http://www-cdf.fnal.gov/offline/PostScript/PLRM2.pdf |
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# 3) http://partners.adobe.com/public/developer/en/acrobat/sdk/pdf/pdf_creation_apis_and_specs/pdfmarkReference.pdf |
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# 4) http://www.npes.org/standards/Tools/DCS20Spec.pdf |
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# |
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# Notes: (see NOTES in POD doc below) |
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#------------------------------------------------------------------------------ |
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package Image::ExifTool::PostScript; |
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use strict; |
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58754
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# Structure of a DSC PS/EPS document: |
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# |
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# %!PS-Adobe-3.0 [plus " EPSF-3.0" for EPS] |
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# |
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# %%EndComments [optional] |
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# %%BeginXxxx |
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# |
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# %%EndXxxx |
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# %%BeginProlog |
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# |
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# %%EndProlog |
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# %%BeginSetup |
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# |
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# %%EndSetup |
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# %ImageData x x x x [written by Photoshop] |
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# %BeginPhotoshop: xxxx |
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# |
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# %EndPhotosop |
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# %%BeginICCProfile: (name) |
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# |
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# %%EndICCProfile |
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# %begin_xml_code |
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# |
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# %begin_xml_packet: xxxx |
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# |
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# %end_xml_packet |
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# |
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# %end_xml_code |
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# %%Page: x x [PS only (optional?)] |
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# |
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# %%PageTrailer |
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# %%Trailer |
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# |
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54
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# %%EOF |
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55
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56
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# map of where information is stored in PS image |
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57
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my %psMap = ( |
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58
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XMP => 'PostScript', |
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59
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Photoshop => 'PostScript', |
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60
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IPTC => 'Photoshop', |
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61
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EXIFInfo => 'Photoshop', |
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62
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EXIF => 'EXIFInfo', |
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63
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IFD0 => 'EXIFInfo', |
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64
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IFD1 => 'IFD0', |
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65
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ICC_Profile => 'PostScript', |
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66
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ExifIFD => 'IFD0', |
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67
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GPS => 'IFD0', |
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68
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SubIFD => 'IFD0', |
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69
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GlobParamIFD => 'IFD0', |
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70
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PrintIM => 'IFD0', |
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71
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InteropIFD => 'ExifIFD', |
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72
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MakerNotes => 'ExifIFD', |
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73
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); |
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74
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75
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76
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#------------------------------------------------------------------------------ |
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77
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# Write XMP directory to file, with begin/end tokens if necessary |
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78
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# Inputs: 0) outfile ref, 1) flags hash ref, 2-N) data to write |
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79
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# Returns: true on success |
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80
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sub WriteXMPDir($$@) |
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81
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{ |
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82
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1
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1
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0
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3
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my $outfile = shift; |
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83
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1
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2
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my $flags = shift; |
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84
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1
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3
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my $success = 1; |
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85
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1
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50
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50
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8
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Write($outfile, "%begin_xml_code$/") or $success = 0 unless $$flags{WROTE_BEGIN}; |
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86
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1
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50
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4
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Write($outfile, @_) or $success = 0; |
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87
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1
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50
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50
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9
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Write($outfile, "%end_xml_code$/") or $success = 0 unless $$flags{WROTE_BEGIN}; |
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1
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4
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return $success; |
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89
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} |
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90
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91
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#------------------------------------------------------------------------------ |
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92
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# Write a directory inside a PS document |
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93
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# Inputs: 0) ExifTool object ref, 1) output file reference, |
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94
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# 2) Directory name, 3) data reference, 4) flags hash ref |
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95
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# Returns: 0=error, 1=nothing written, 2=dir written ok |
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96
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sub WritePSDirectory($$$$$) |
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97
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{ |
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98
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2
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2
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0
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5
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my ($et, $outfile, $dirName, $dataPt, $flags) = @_; |
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99
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2
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4
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my $success = 2; |
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100
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2
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50
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7
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my $len = $dataPt ? length($$dataPt) : 0; |
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101
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2
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50
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6
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my $create = $len ? 0 : 1; |
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102
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2
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12
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my %dirInfo = ( |
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103
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DataPt => $dataPt, |
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104
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DataLen => $len, |
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105
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DirStart => 0, |
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106
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DirLen => $len, |
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107
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DirName => $dirName, |
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108
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Parent => 'PostScript', |
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109
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); |
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110
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# Note: $$flags{WROTE_BEGIN} may be 1 for XMP (it is always 0 for |
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111
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# other dirs, but if 1, the begin/end markers were already written) |
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112
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# |
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113
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# prepare necessary postscript code to support embedded XMP |
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114
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# |
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115
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2
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5
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my ($beforeXMP, $afterXMP, $reportedLen); |
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116
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2
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100
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66
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11
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if ($dirName eq 'XMP' and $len) { |
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117
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# isolate the XMP |
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118
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1
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4
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pos($$dataPt) = 0; |
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119
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1
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50
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28
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unless ($$dataPt =~ /(.*)(<\?xpacket begin=.{7,13}W5M0MpCehiHzreSzNTczkc9d)/sg) { |
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120
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0
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0
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$et->Warn('No XMP packet start'); |
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121
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0
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0
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return WriteXMPDir($outfile, $flags, $$dataPt); |
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122
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} |
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123
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1
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4
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$beforeXMP = $1; |
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124
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1
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3
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my $xmp = $2; |
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125
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1
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2
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my $p1 = pos($$dataPt); |
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126
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1
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50
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8
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unless ($$dataPt =~ m{<\?xpacket end=.(w|r).\?>}sg) { |
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127
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0
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0
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$et->Warn('No XMP packet end'); |
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128
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0
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0
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return WriteXMPDir($outfile, $flags, $$dataPt); |
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129
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} |
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130
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1
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2
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my $p2 = pos($$dataPt); |
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131
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1
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21
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$xmp .= substr($$dataPt, $p1, $p2-$p1); |
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132
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1
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4
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$afterXMP = substr($$dataPt, $p2); |
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133
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# determine if we can adjust the XMP size |
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134
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1
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50
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7
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if ($beforeXMP =~ /%begin_xml_packet: (\d+)/s) { |
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135
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1
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3
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$reportedLen = $1; |
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136
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1
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13
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my @matches= ($beforeXMP =~ /\b$reportedLen\b/sg); |
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137
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1
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50
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5
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undef $reportedLen unless @matches == 2; |
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138
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} |
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139
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# must edit in place if we can't reliably change the XMP length |
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140
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1
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50
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4
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$dirInfo{InPlace} = 1 unless $reportedLen; |
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141
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# process XMP only |
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142
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1
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3
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$dirInfo{DataLen} = $dirInfo{DirLen} = length $xmp; |
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143
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1
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3
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$dirInfo{DataPt} = \$xmp; |
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144
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} |
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145
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2
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10
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my $tagTablePtr = Image::ExifTool::GetTagTable("Image::ExifTool::${dirName}::Main"); |
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146
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2
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10
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my $val = $et->WriteDirectory(\%dirInfo, $tagTablePtr); |
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147
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2
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50
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6
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if (defined $val) { |
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0
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148
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2
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4
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$dataPt = \$val; # use modified directory |
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149
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2
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4
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$len = length $val; |
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150
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} elsif ($dirName eq 'XMP') { |
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151
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0
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0
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0
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return 1 unless $len; |
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152
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# just write the original XMP |
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153
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0
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0
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return WriteXMPDir($outfile, $flags, $$dataPt); |
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154
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} |
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155
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2
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50
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7
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unless ($len) { |
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156
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0
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0
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0
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0
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return 1 if $create or $dirName ne 'XMP'; # nothing to create |
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157
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# it would be really difficult to delete the XMP, |
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158
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# so instead we write a blank XMP record |
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159
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0
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0
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$val = <
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160
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161
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162
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163
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EMPTY_XMP |
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164
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0
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0
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0
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$val .= ((' ' x 100) . "\n") x 24 unless $$et{OPTIONS}{Compact}{NoPadding}; |
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165
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0
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0
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$val .= q{}; |
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166
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0
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0
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$dataPt = \$val; |
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167
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0
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0
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$len = length $val; |
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168
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} |
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169
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# |
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170
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# write XMP directory |
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171
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# |
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172
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2
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100
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33
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9
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if ($dirName eq 'XMP') { |
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50
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173
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1
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50
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4
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if ($create) { |
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174
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# create necessary PS/EPS code to support XMP |
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175
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0
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0
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$beforeXMP = <
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176
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/pdfmark where {pop true} {false} ifelse |
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177
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/currentdistillerparams where {pop currentdistillerparams |
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178
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/CoreDistVersion get 5000 ge } {false} ifelse |
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179
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and not {userdict /pdfmark /cleartomark load put} if |
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180
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[/NamespacePush pdfmark |
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181
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[/_objdef {exiftool_metadata_stream} /type /stream /OBJ pdfmark |
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182
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[{exiftool_metadata_stream} 2 dict begin /Type /Metadata def |
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183
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/Subtype /XML def currentdict end /PUT pdfmark |
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184
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/MetadataString $len string def % exact length of metadata |
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185
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/TempString 100 string def |
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186
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/ConsumeMetadata { |
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187
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currentfile TempString readline pop pop |
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188
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currentfile MetadataString readstring pop pop |
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189
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} bind def |
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190
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ConsumeMetadata |
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191
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%begin_xml_packet: $len |
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192
|
|
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HDR_END |
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193
|
|
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|
|
# note: use q() to get necessary linefeed before %end_xml_packet |
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194
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0
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0
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$afterXMP = q( |
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195
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|
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%end_xml_packet |
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196
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|
|
[{exiftool_metadata_stream} MetadataString /PUT pdfmark |
|
197
|
|
|
|
|
|
|
); |
|
198
|
0
|
0
|
|
|
|
0
|
if ($$flags{EPS}) { |
|
199
|
0
|
|
|
|
|
0
|
$afterXMP .= <
|
|
200
|
|
|
|
|
|
|
[/Document 1 dict begin |
|
201
|
|
|
|
|
|
|
/Metadata {exiftool_metadata_stream} def currentdict end /BDC pdfmark |
|
202
|
|
|
|
|
|
|
[/NamespacePop pdfmark |
|
203
|
|
|
|
|
|
|
EPS_AFTER |
|
204
|
|
|
|
|
|
|
# write this at end of file |
|
205
|
0
|
|
|
|
|
0
|
$$flags{TRAILER} = "[/EMC pdfmark$/"; |
|
206
|
|
|
|
|
|
|
} else { # PS |
|
207
|
0
|
|
|
|
|
0
|
$afterXMP .= <
|
|
208
|
|
|
|
|
|
|
[{Catalog} {exiftool_metadata_stream} /Metadata pdfmark |
|
209
|
|
|
|
|
|
|
[/NamespacePop pdfmark |
|
210
|
|
|
|
|
|
|
PS_AFTER |
|
211
|
|
|
|
|
|
|
} |
|
212
|
0
|
|
|
|
|
0
|
$beforeXMP =~ s{\n}{$/}sg; # use proper newline characters |
|
213
|
0
|
|
|
|
|
0
|
$afterXMP =~ s{\n}{$/}sg; |
|
214
|
|
|
|
|
|
|
} else { |
|
215
|
|
|
|
|
|
|
# replace xmp size in PS code |
|
216
|
1
|
50
|
|
|
|
19
|
$reportedLen and $beforeXMP =~ s/\b$reportedLen\b/$len/sg; |
|
217
|
|
|
|
|
|
|
} |
|
218
|
1
|
50
|
|
|
|
5
|
WriteXMPDir($outfile, $flags, $beforeXMP, $$dataPt, $afterXMP) or $success = 0; |
|
219
|
|
|
|
|
|
|
# |
|
220
|
|
|
|
|
|
|
# Write Photoshop or ICC_Profile directory |
|
221
|
|
|
|
|
|
|
# |
|
222
|
|
|
|
|
|
|
} elsif ($dirName eq 'Photoshop' or $dirName eq 'ICC_Profile') { |
|
223
|
1
|
|
|
|
|
2
|
my ($startToken, $endToken); |
|
224
|
1
|
50
|
|
|
|
3
|
if ($dirName eq 'Photoshop') { |
|
225
|
1
|
|
|
|
|
3
|
$startToken = "%BeginPhotoshop: $len"; |
|
226
|
1
|
|
|
|
|
1
|
$endToken = '%EndPhotoshop'; |
|
227
|
|
|
|
|
|
|
} else { |
|
228
|
0
|
|
|
|
|
0
|
$startToken = '%%BeginICCProfile: (Photoshop Profile) -1 Hex'; |
|
229
|
0
|
|
|
|
|
0
|
$endToken = '%%EndICCProfile'; |
|
230
|
|
|
|
|
|
|
} |
|
231
|
1
|
50
|
|
|
|
5
|
Write($outfile, $startToken, $/) or $success = 0; |
|
232
|
|
|
|
|
|
|
# write as an ASCII-hex comment |
|
233
|
1
|
|
|
|
|
2
|
my $i; |
|
234
|
1
|
|
|
|
|
2
|
my $wid = 32; |
|
235
|
1
|
|
|
|
|
4
|
for ($i=0; $i<$len; $i+=$wid) { |
|
236
|
40
|
100
|
|
|
|
66
|
$wid > $len-$i and $wid = $len-$i; |
|
237
|
40
|
|
|
|
|
56
|
my $dat = substr($$dataPt, $i, $wid); |
|
238
|
40
|
50
|
|
|
|
90
|
Write($outfile, "% ", uc(unpack('H*',$dat)), $/) or $success = 0; |
|
239
|
|
|
|
|
|
|
} |
|
240
|
1
|
50
|
|
|
|
4
|
Write($outfile, $endToken, $/) or $success = 0; |
|
241
|
|
|
|
|
|
|
} else { |
|
242
|
0
|
|
|
|
|
0
|
$et->Warn("Can't write PS directory $dirName"); |
|
243
|
|
|
|
|
|
|
} |
|
244
|
2
|
|
|
|
|
4
|
undef $val; |
|
245
|
2
|
|
|
|
|
12
|
return $success; |
|
246
|
|
|
|
|
|
|
} |
|
247
|
|
|
|
|
|
|
|
|
248
|
|
|
|
|
|
|
#------------------------------------------------------------------------------ |
|
249
|
|
|
|
|
|
|
# Encode postscript tag/value |
|
250
|
|
|
|
|
|
|
# Inputs: 0) tag ID, 1) value |
|
251
|
|
|
|
|
|
|
# Returns: postscript comment |
|
252
|
|
|
|
|
|
|
# - adds brackets, escapes special characters, and limits line length |
|
253
|
|
|
|
|
|
|
sub EncodeTag($$) |
|
254
|
|
|
|
|
|
|
{ |
|
255
|
3
|
|
|
3
|
0
|
12
|
my ($tag, $val) = @_; |
|
256
|
3
|
50
|
|
|
|
15
|
unless ($val =~ /^\d+$/) { |
|
257
|
3
|
|
|
|
|
8
|
$val =~ s/([()\\])/\\$1/g; # escape brackets and backslashes |
|
258
|
3
|
|
|
|
|
4
|
$val =~ s/\n/\\n/g; # escape newlines |
|
259
|
3
|
|
|
|
|
6
|
$val =~ s/\r/\\r/g; # escape carriage returns |
|
260
|
3
|
|
|
|
|
5
|
$val =~ s/\t/\\t/g; # escape tabs |
|
261
|
|
|
|
|
|
|
# use octal escape codes for other control characters |
|
262
|
3
|
|
|
|
|
5
|
$val =~ s/([\x00-\x1f\x7f\xff])/sprintf("\\%.3o",ord($1))/ge; |
|
|
0
|
|
|
|
|
0
|
|
|
263
|
3
|
|
|
|
|
7
|
$val = "($val)"; |
|
264
|
|
|
|
|
|
|
} |
|
265
|
3
|
|
|
|
|
6
|
my $line = "%%$tag: $val"; |
|
266
|
|
|
|
|
|
|
# postscript line limit is 255 characters (but it seems that |
|
267
|
|
|
|
|
|
|
# the limit may be 254 characters if the DOS CR/LF is used) |
|
268
|
|
|
|
|
|
|
# --> split if necessary using continuation comment "%%+" |
|
269
|
3
|
|
|
|
|
5
|
my $n; |
|
270
|
3
|
|
|
|
|
7
|
for ($n=254; length($line)>$n; $n+=254+length($/)) { |
|
271
|
0
|
|
|
|
|
0
|
substr($line, $n, 0) = "$/%%+"; |
|
272
|
|
|
|
|
|
|
} |
|
273
|
3
|
|
|
|
|
12
|
return $line . $/; |
|
274
|
|
|
|
|
|
|
} |
|
275
|
|
|
|
|
|
|
|
|
276
|
|
|
|
|
|
|
#------------------------------------------------------------------------------ |
|
277
|
|
|
|
|
|
|
# Write new tags information in comments section |
|
278
|
|
|
|
|
|
|
# Inputs: 0) ExifTool object ref, 1) output file ref, 2) reference to new tag hash |
|
279
|
|
|
|
|
|
|
# Returns: true on success |
|
280
|
|
|
|
|
|
|
sub WriteNewTags($$$) |
|
281
|
|
|
|
|
|
|
{ |
|
282
|
1
|
|
|
1
|
0
|
2
|
my ($et, $outfile, $newTags) = @_; |
|
283
|
1
|
|
|
|
|
3
|
my $success = 1; |
|
284
|
1
|
|
|
|
|
3
|
my $tag; |
|
285
|
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
# get XMP hint and remove from tags hash |
|
287
|
1
|
|
|
|
|
3
|
my $xmpHint = $$newTags{XMP_HINT}; |
|
288
|
1
|
|
|
|
|
11
|
delete $$newTags{XMP_HINT}; |
|
289
|
|
|
|
|
|
|
|
|
290
|
1
|
|
|
|
|
5
|
foreach $tag (sort keys %$newTags) { |
|
291
|
1
|
|
|
|
|
2
|
my $tagInfo = $$newTags{$tag}; |
|
292
|
1
|
|
|
|
|
4
|
my $nvHash = $et->GetNewValueHash($tagInfo); |
|
293
|
1
|
50
|
|
|
|
34
|
next unless $$nvHash{IsCreating}; |
|
294
|
1
|
|
|
|
|
4
|
my $val = $et->GetNewValue($nvHash); |
|
295
|
1
|
|
|
|
|
6
|
$et->VerboseValue("+ PostScript:$$tagInfo{Name}", $val); |
|
296
|
1
|
50
|
|
|
|
3
|
Write($outfile, EncodeTag($tag, $val)) or $success = 0; |
|
297
|
1
|
|
|
|
|
6
|
++$$et{CHANGED}; |
|
298
|
|
|
|
|
|
|
} |
|
299
|
|
|
|
|
|
|
# write XMP hint if necessary |
|
300
|
1
|
50
|
50
|
|
|
7
|
Write($outfile, "%ADO_ContainsXMP: MainFirst$/") or $success = 0 if $xmpHint; |
|
301
|
|
|
|
|
|
|
|
|
302
|
1
|
|
|
|
|
4
|
%$newTags = (); # all done with new tags |
|
303
|
1
|
|
|
|
|
3
|
return $success; |
|
304
|
|
|
|
|
|
|
} |
|
305
|
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
#------------------------------------------------------------------------------ |
|
307
|
|
|
|
|
|
|
# Write PS file |
|
308
|
|
|
|
|
|
|
# Inputs: 0) ExifTool object reference, 1) source dirInfo reference |
|
309
|
|
|
|
|
|
|
# Returns: 1 on success, 0 if this wasn't a valid PS file, |
|
310
|
|
|
|
|
|
|
# or -1 if a write error occurred |
|
311
|
|
|
|
|
|
|
sub WritePS($$) |
|
312
|
|
|
|
|
|
|
{ |
|
313
|
132
|
|
|
132
|
0
|
387
|
my ($et, $dirInfo) = @_; |
|
314
|
132
|
100
|
|
|
|
641
|
$et or return 1; # allow dummy access to autoload this package |
|
315
|
1
|
|
|
|
|
4
|
my $tagTablePtr = Image::ExifTool::GetTagTable('Image::ExifTool::PostScript::Main'); |
|
316
|
1
|
|
|
|
|
3
|
my $raf = $$dirInfo{RAF}; |
|
317
|
1
|
|
|
|
|
2
|
my $outfile = $$dirInfo{OutFile}; |
|
318
|
1
|
|
|
|
|
4
|
my $verbose = $et->Options('Verbose'); |
|
319
|
1
|
|
|
|
|
3
|
my $out = $et->Options('TextOut'); |
|
320
|
1
|
|
|
|
|
4
|
my ($data, $buff, %flags, $err, $mode, $endToken); |
|
321
|
1
|
|
|
|
|
0
|
my ($dos, $psStart, $psNewStart, $xmpHint, @lines); |
|
322
|
|
|
|
|
|
|
|
|
323
|
1
|
50
|
|
|
|
5
|
$raf->Read($data, 4) == 4 or return 0; |
|
324
|
1
|
50
|
|
|
|
8
|
return 0 unless $data =~ /^(%!PS|%!Ad|\xc5\xd0\xd3\xc6)/; |
|
325
|
|
|
|
|
|
|
|
|
326
|
1
|
50
|
|
|
|
5
|
if ($data =~ /^%!Ad/) { |
|
|
|
50
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
# I've seen PS files start with "%!Adobe-PS"... |
|
328
|
0
|
0
|
0
|
|
|
0
|
return 0 unless $raf->Read($buff, 6) == 6 and $buff eq "obe-PS"; |
|
329
|
0
|
|
|
|
|
0
|
$data .= $buff; |
|
330
|
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
} elsif ($data =~ /^\xc5\xd0\xd3\xc6/) { |
|
332
|
|
|
|
|
|
|
# |
|
333
|
|
|
|
|
|
|
# process DOS binary PS files |
|
334
|
|
|
|
|
|
|
# |
|
335
|
|
|
|
|
|
|
# save DOS header then seek ahead and check PS header |
|
336
|
0
|
0
|
|
|
|
0
|
$raf->Read($dos, 26) == 26 or return 0; |
|
337
|
0
|
|
|
|
|
0
|
$dos = $data . $dos; |
|
338
|
0
|
|
|
|
|
0
|
SetByteOrder('II'); |
|
339
|
0
|
|
|
|
|
0
|
$psStart = Get32u(\$dos, 4); |
|
340
|
0
|
0
|
0
|
|
|
0
|
unless ($raf->Seek($psStart, 0) and |
|
|
|
|
0
|
|
|
|
|
|
341
|
|
|
|
|
|
|
$raf->Read($data, 4) == 4 and $data eq '%!PS') |
|
342
|
|
|
|
|
|
|
{ |
|
343
|
0
|
|
|
|
|
0
|
$et->Error('Invalid PS header'); |
|
344
|
0
|
|
|
|
|
0
|
return 1; |
|
345
|
|
|
|
|
|
|
} |
|
346
|
0
|
|
|
|
|
0
|
$$raf{PSEnd} = $psStart + Get32u(\$dos, 8); |
|
347
|
0
|
|
|
|
|
0
|
my $base = Get32u(\$dos, 20); |
|
348
|
0
|
|
|
|
|
0
|
Set16u(0xffff, \$dos, 28); # ignore checksum |
|
349
|
0
|
0
|
|
|
|
0
|
if ($base) { |
|
|
|
0
|
|
|
|
|
|
|
350
|
0
|
|
|
|
|
0
|
my %dirInfo = ( |
|
351
|
|
|
|
|
|
|
Parent => 'PS', |
|
352
|
|
|
|
|
|
|
RAF => $raf, |
|
353
|
|
|
|
|
|
|
Base => $base, |
|
354
|
|
|
|
|
|
|
NoTiffEnd => 1, # no end-of-TIFF check |
|
355
|
|
|
|
|
|
|
); |
|
356
|
0
|
|
|
|
|
0
|
$buff = $et->WriteTIFF(\%dirInfo); |
|
357
|
0
|
|
|
|
|
0
|
SetByteOrder('II'); # (WriteTIFF may change this) |
|
358
|
0
|
0
|
|
|
|
0
|
if ($buff) { |
|
359
|
0
|
|
|
|
|
0
|
$buff = substr($buff, $base); # remove header written by WriteTIFF() |
|
360
|
|
|
|
|
|
|
} else { |
|
361
|
|
|
|
|
|
|
# error rewriting TIFF, so just copy over original data |
|
362
|
0
|
|
|
|
|
0
|
my $len = Get32u(\$dos, 24); |
|
363
|
0
|
0
|
0
|
|
|
0
|
unless ($raf->Seek($base, 0) and $raf->Read($buff, $len) == $len) { |
|
364
|
0
|
|
|
|
|
0
|
$et->Error('Error reading embedded TIFF'); |
|
365
|
0
|
|
|
|
|
0
|
return 1; |
|
366
|
|
|
|
|
|
|
} |
|
367
|
0
|
|
|
|
|
0
|
$et->Warn('Bad embedded TIFF'); |
|
368
|
|
|
|
|
|
|
} |
|
369
|
0
|
|
|
|
|
0
|
Set32u(0, \$dos, 12); # zero metafile pointer |
|
370
|
0
|
|
|
|
|
0
|
Set32u(0, \$dos, 16); # zero metafile length |
|
371
|
0
|
|
|
|
|
0
|
Set32u(length($dos), \$dos, 20); # set TIFF pointer |
|
372
|
0
|
|
|
|
|
0
|
Set32u(length($buff), \$dos, 24); # set TIFF length |
|
373
|
|
|
|
|
|
|
} elsif (($base = Get32u(\$dos, 12)) != 0) { |
|
374
|
|
|
|
|
|
|
# copy over metafile section |
|
375
|
0
|
|
|
|
|
0
|
my $len = Get32u(\$dos, 16); |
|
376
|
0
|
0
|
0
|
|
|
0
|
unless ($raf->Seek($base, 0) and $raf->Read($buff, $len) == $len) { |
|
377
|
0
|
|
|
|
|
0
|
$et->Error('Error reading metafile section'); |
|
378
|
0
|
|
|
|
|
0
|
return 1; |
|
379
|
|
|
|
|
|
|
} |
|
380
|
0
|
|
|
|
|
0
|
Set32u(length($dos), \$dos, 12); # set metafile pointer |
|
381
|
|
|
|
|
|
|
} else { |
|
382
|
0
|
|
|
|
|
0
|
$buff = ''; |
|
383
|
|
|
|
|
|
|
} |
|
384
|
0
|
|
|
|
|
0
|
$psNewStart = length($dos) + length($buff); |
|
385
|
0
|
|
|
|
|
0
|
Set32u($psNewStart, \$dos, 4); # set pointer to start of PS |
|
386
|
0
|
0
|
|
|
|
0
|
Write($outfile, $dos, $buff) or $err = 1; |
|
387
|
0
|
|
|
|
|
0
|
$raf->Seek($psStart + 4, 0); # seek back to where we were |
|
388
|
|
|
|
|
|
|
} |
|
389
|
|
|
|
|
|
|
# |
|
390
|
|
|
|
|
|
|
# rewrite PostScript data |
|
391
|
|
|
|
|
|
|
# |
|
392
|
1
|
|
|
|
|
10
|
local $/ = GetInputRecordSeparator($raf); |
|
393
|
1
|
50
|
33
|
|
|
19
|
unless ($/ and $raf->ReadLine($buff)) { |
|
394
|
0
|
|
|
|
|
0
|
$et->Error('Invalid PostScript data'); |
|
395
|
0
|
|
|
|
|
0
|
return 1; |
|
396
|
|
|
|
|
|
|
} |
|
397
|
1
|
|
|
|
|
3
|
$data .= $buff; |
|
398
|
1
|
50
|
33
|
|
|
11
|
unless ($data =~ /^%!PS-Adobe-3\.(\d+)\b/ and $1 < 2) { |
|
399
|
0
|
0
|
|
|
|
0
|
if ($et->Error("Document does not conform to DSC spec. Metadata may be unreadable by other apps", 2)) { |
|
400
|
0
|
|
|
|
|
0
|
return 1; |
|
401
|
|
|
|
|
|
|
} |
|
402
|
|
|
|
|
|
|
} |
|
403
|
1
|
|
|
|
|
2
|
my $psRev = $1; # save PS revision number (3.x) |
|
404
|
1
|
50
|
|
|
|
5
|
Write($outfile, $data) or $err = 1; |
|
405
|
1
|
50
|
|
|
|
7
|
$flags{EPS} = 1 if $data =~ /EPSF/; |
|
406
|
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
# get hash of new information keyed by tagID and directories to add/edit |
|
408
|
1
|
|
|
|
|
33
|
my $newTags = $et->GetNewTagInfoHash($tagTablePtr); |
|
409
|
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
# figure out which directories we need to write (PostScript takes priority) |
|
411
|
1
|
|
|
|
|
6
|
$et->InitWriteDirs(\%psMap, 'PostScript'); |
|
412
|
1
|
|
|
|
|
3
|
my $addDirs = $$et{ADD_DIRS}; |
|
413
|
1
|
|
|
|
|
3
|
my $editDirs = $$et{EDIT_DIRS}; |
|
414
|
1
|
|
|
|
|
2
|
my %doneDir; |
|
415
|
|
|
|
|
|
|
|
|
416
|
|
|
|
|
|
|
# set XMP hint flag (1 for adding, 0 for deleting, undef for no change) |
|
417
|
1
|
50
|
|
|
|
3
|
$xmpHint = 1 if $$addDirs{XMP}; |
|
418
|
1
|
50
|
|
|
|
3
|
$xmpHint = 0 if $$et{DEL_GROUP}{XMP}; |
|
419
|
1
|
50
|
|
|
|
5
|
$$newTags{XMP_HINT} = $xmpHint if $xmpHint; # add special tag to newTags list |
|
420
|
|
|
|
|
|
|
|
|
421
|
1
|
|
|
|
|
1
|
for (;;) { |
|
422
|
192
|
50
|
66
|
|
|
366
|
@lines or GetNextLine($raf, \@lines) or last; |
|
423
|
192
|
|
|
|
|
250
|
$data = shift @lines; |
|
424
|
192
|
100
|
66
|
|
|
337
|
if ($endToken) { |
|
|
|
100
|
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
|
|
|
50
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
# look for end token |
|
426
|
175
|
100
|
|
|
|
434
|
if ($data =~ m/^$endToken\s*$/is) { |
|
427
|
7
|
|
|
|
|
12
|
undef $endToken; |
|
428
|
|
|
|
|
|
|
# found end: process this information |
|
429
|
7
|
100
|
|
|
|
11
|
if ($mode) { |
|
430
|
2
|
50
|
|
|
|
7
|
$doneDir{$mode} and $et->Error("Multiple $mode directories", 1); |
|
431
|
2
|
|
|
|
|
6
|
$doneDir{$mode} = 1; |
|
432
|
2
|
50
|
|
|
|
8
|
WritePSDirectory($et, $outfile, $mode, \$buff, \%flags) or $err = 1; |
|
433
|
|
|
|
|
|
|
# write end token if we wrote the begin token |
|
434
|
2
|
50
|
0
|
|
|
7
|
Write($outfile, $data) or $err = 1 if $flags{WROTE_BEGIN}; |
|
435
|
2
|
|
|
|
|
6
|
undef $buff; |
|
436
|
|
|
|
|
|
|
} else { |
|
437
|
5
|
50
|
|
|
|
11
|
Write($outfile, $data) or $err = 1; |
|
438
|
|
|
|
|
|
|
} |
|
439
|
|
|
|
|
|
|
} else { |
|
440
|
|
|
|
|
|
|
# buffer data in current begin/end block |
|
441
|
168
|
100
|
|
|
|
282
|
if (not defined $mode) { |
|
|
|
100
|
|
|
|
|
|
|
442
|
|
|
|
|
|
|
# pick up XMP in unrecognized blocks for editing in place |
|
443
|
29
|
50
|
33
|
|
|
48
|
if ($data =~ /^<\?xpacket begin=.{7,13}W5M0MpCehiHzreSzNTczkc9d/ and |
|
444
|
|
|
|
|
|
|
$$editDirs{XMP}) |
|
445
|
|
|
|
|
|
|
{ |
|
446
|
0
|
|
|
|
|
0
|
$buff = $data; |
|
447
|
0
|
|
|
|
|
0
|
$mode = 'XMP'; |
|
448
|
|
|
|
|
|
|
} else { |
|
449
|
29
|
50
|
|
|
|
53
|
Write($outfile, $data) or $err = 1; |
|
450
|
|
|
|
|
|
|
} |
|
451
|
|
|
|
|
|
|
} elsif ($mode eq 'XMP') { |
|
452
|
126
|
|
|
|
|
148
|
$buff .= $data; |
|
453
|
|
|
|
|
|
|
} else { |
|
454
|
|
|
|
|
|
|
# data is ASCII-hex encoded |
|
455
|
13
|
|
|
|
|
19
|
$data =~ tr/0-9A-Fa-f//dc; # remove all but hex characters |
|
456
|
13
|
|
|
|
|
31
|
$buff .= pack('H*', $data); # translate from hex |
|
457
|
|
|
|
|
|
|
} |
|
458
|
|
|
|
|
|
|
} |
|
459
|
175
|
|
|
|
|
223
|
next; |
|
460
|
|
|
|
|
|
|
} elsif ($data =~ m{^(%{1,2})(Begin)(?!Object:)(.*?)[:\x0d\x0a]}i) { |
|
461
|
|
|
|
|
|
|
# comments section is over... write any new tags now |
|
462
|
7
|
50
|
0
|
|
|
17
|
WriteNewTags($et, $outfile, $newTags) or $err = 1 if %$newTags; |
|
463
|
7
|
|
|
|
|
11
|
undef $xmpHint; |
|
464
|
|
|
|
|
|
|
# the beginning of a data block (can only write XMP and Photoshop) |
|
465
|
7
|
|
|
|
|
28
|
my %modeLookup = ( |
|
466
|
|
|
|
|
|
|
_xml_code => 'XMP', |
|
467
|
|
|
|
|
|
|
photoshop => 'Photoshop', |
|
468
|
|
|
|
|
|
|
iccprofile => 'ICC_Profile', |
|
469
|
|
|
|
|
|
|
); |
|
470
|
7
|
50
|
|
|
|
12
|
$verbose > 1 and print $out "$2$3\n"; |
|
471
|
7
|
100
|
|
|
|
26
|
$endToken = $1 . ($2 eq 'begin' ? 'end' : 'End') . $3; |
|
472
|
7
|
|
|
|
|
13
|
$mode = $modeLookup{lc($3)}; |
|
473
|
7
|
100
|
66
|
|
|
30
|
if ($mode and $$editDirs{$mode}) { |
|
474
|
2
|
|
|
|
|
5
|
$buff = ''; # initialize buffer for this block |
|
475
|
2
|
|
|
|
|
5
|
$flags{WROTE_BEGIN} = 0; |
|
476
|
|
|
|
|
|
|
} else { |
|
477
|
5
|
|
|
|
|
8
|
undef $mode; # not editing this directory |
|
478
|
5
|
50
|
|
|
|
11
|
Write($outfile, $data) or $err = 1; |
|
479
|
5
|
|
|
|
|
12
|
$flags{WROTE_BEGIN} = 1; |
|
480
|
|
|
|
|
|
|
} |
|
481
|
7
|
|
|
|
|
12
|
next; |
|
482
|
|
|
|
|
|
|
} elsif ($data =~ /^%%(?!Page:|PlateFile:|BeginObject:)(\w+): ?(.*)/s) { |
|
483
|
|
|
|
|
|
|
# rewrite information from PostScript tags in comments |
|
484
|
5
|
|
|
|
|
15
|
my ($tag, $val) = ($1, $2); |
|
485
|
|
|
|
|
|
|
# handle Adobe Illustrator files specially |
|
486
|
|
|
|
|
|
|
# - EVENTUALLY IT WOULD BE BETTER TO FIND ANOTHER IDENTIFICATION METHOD |
|
487
|
|
|
|
|
|
|
# (because Illustrator doesn't care if the Creator is changed) |
|
488
|
5
|
50
|
66
|
|
|
13
|
if ($tag eq 'Creator' and $val =~ /^Adobe Illustrator/) { |
|
489
|
|
|
|
|
|
|
# disable writing XMP to PostScript-format Adobe Illustrator files |
|
490
|
|
|
|
|
|
|
# because it confuses Illustrator |
|
491
|
0
|
0
|
|
|
|
0
|
if ($$editDirs{XMP}) { |
|
492
|
0
|
|
|
|
|
0
|
$et->Warn("Can't write XMP to PostScript-format Illustrator files"); |
|
493
|
|
|
|
|
|
|
# pretend like we wrote it already so we won't try to add it later |
|
494
|
0
|
|
|
|
|
0
|
$doneDir{XMP} = 1; |
|
495
|
|
|
|
|
|
|
} |
|
496
|
|
|
|
|
|
|
# don't allow "Creator" to be changed in Illustrator files |
|
497
|
|
|
|
|
|
|
# (we need it to be able to recognize these files) |
|
498
|
|
|
|
|
|
|
# --> find a better way to do this! |
|
499
|
0
|
0
|
|
|
|
0
|
if ($$newTags{$tag}) { |
|
500
|
0
|
|
|
|
|
0
|
$et->Warn("Can't change Postscript:Creator of Illustrator files"); |
|
501
|
0
|
|
|
|
|
0
|
delete $$newTags{$tag}; |
|
502
|
|
|
|
|
|
|
} |
|
503
|
|
|
|
|
|
|
} |
|
504
|
5
|
100
|
|
|
|
11
|
if ($$newTags{$tag}) { |
|
505
|
2
|
|
|
|
|
5
|
my $tagInfo = $$newTags{$tag}; |
|
506
|
2
|
|
|
|
|
4
|
delete $$newTags{$tag}; # write it then forget it |
|
507
|
2
|
50
|
|
|
|
28
|
next unless ref $tagInfo; |
|
508
|
|
|
|
|
|
|
# decode comment string (reading continuation lines if necessary) |
|
509
|
2
|
|
|
|
|
10
|
$val = DecodeComment($val, $raf, \@lines, \$data); |
|
510
|
2
|
50
|
|
|
|
8
|
$val = join $et->Options('ListSep'), @$val if ref $val eq 'ARRAY'; |
|
511
|
2
|
|
|
|
|
7
|
my $nvHash = $et->GetNewValueHash($tagInfo); |
|
512
|
2
|
50
|
|
|
|
12
|
if ($et->IsOverwriting($nvHash, $val)) { |
|
513
|
2
|
|
|
|
|
9
|
$et->VerboseValue("- PostScript:$$tagInfo{Name}", $val); |
|
514
|
2
|
|
|
|
|
7
|
$val = $et->GetNewValue($nvHash); |
|
515
|
2
|
|
|
|
|
4
|
++$$et{CHANGED}; |
|
516
|
2
|
50
|
|
|
|
5
|
next unless defined $val; # next if tag is being deleted |
|
517
|
2
|
|
|
|
|
8
|
$et->VerboseValue("+ PostScript:$$tagInfo{Name}", $val); |
|
518
|
2
|
|
|
|
|
7
|
$data = EncodeTag($tag, $val); |
|
519
|
|
|
|
|
|
|
} |
|
520
|
|
|
|
|
|
|
} |
|
521
|
|
|
|
|
|
|
# (note: Adobe InDesign doesn't put colon after %ADO_ContainsXMP -- doh!) |
|
522
|
|
|
|
|
|
|
} elsif (defined $xmpHint and $data =~ m{^%ADO_ContainsXMP:? ?(.+?)[\x0d\x0a]*$}s) { |
|
523
|
|
|
|
|
|
|
# change the XMP hint if necessary |
|
524
|
0
|
0
|
|
|
|
0
|
if ($xmpHint) { |
|
525
|
0
|
0
|
|
|
|
0
|
$data = "%ADO_ContainsXMP: MainFirst$/" if $1 eq 'NoMain'; |
|
526
|
|
|
|
|
|
|
} else { |
|
527
|
0
|
|
|
|
|
0
|
$data = "%ADO_ContainsXMP: NoMain$/"; |
|
528
|
|
|
|
|
|
|
} |
|
529
|
|
|
|
|
|
|
# delete XMP hint flags |
|
530
|
0
|
|
|
|
|
0
|
delete $$newTags{XMP_HINT}; |
|
531
|
0
|
|
|
|
|
0
|
undef $xmpHint; |
|
532
|
|
|
|
|
|
|
} else { |
|
533
|
|
|
|
|
|
|
# look for end of comments section |
|
534
|
5
|
100
|
66
|
|
|
39
|
if (%$newTags and ($data !~ /^%\S/ or |
|
|
|
|
100
|
|
|
|
|
|
535
|
|
|
|
|
|
|
$data =~ /^%(%EndComments|%Page:|%PlateFile:|%BeginObject:|.*BeginLayer)/)) |
|
536
|
|
|
|
|
|
|
{ |
|
537
|
|
|
|
|
|
|
# write new tags at end of comments section |
|
538
|
1
|
50
|
|
|
|
4
|
WriteNewTags($et, $outfile, $newTags) or $err = 1; |
|
539
|
1
|
|
|
|
|
2
|
undef $xmpHint; |
|
540
|
|
|
|
|
|
|
} |
|
541
|
|
|
|
|
|
|
# look for start of drawing commands (AI uses "%AI5_BeginLayer", |
|
542
|
|
|
|
|
|
|
# and Helios uses "%%BeginObject:") |
|
543
|
5
|
100
|
66
|
|
|
31
|
if ($data =~ /^%(%Page:|%PlateFile:|%BeginObject:|.*BeginLayer)/ or |
|
544
|
|
|
|
|
|
|
$data !~ m{^(%.*|\s*)$}s) |
|
545
|
|
|
|
|
|
|
{ |
|
546
|
|
|
|
|
|
|
# we have reached the first page or drawing command, so create necessary |
|
547
|
|
|
|
|
|
|
# directories and copy the rest of the file, then all done |
|
548
|
1
|
|
|
|
|
3
|
my $dir; |
|
549
|
1
|
|
|
|
|
3
|
my $plateFile = ($data =~ /^%%PlateFile:/); |
|
550
|
|
|
|
|
|
|
# create Photoshop first, then XMP if necessary |
|
551
|
1
|
|
|
|
|
3
|
foreach $dir (qw{Photoshop ICC_Profile XMP}) { |
|
552
|
3
|
50
|
66
|
|
|
14
|
next unless $$editDirs{$dir} and not $doneDir{$dir}; |
|
553
|
0
|
0
|
|
|
|
0
|
if ($plateFile) { |
|
554
|
|
|
|
|
|
|
# PlateFile comments may contain offsets so we can't edit these files! |
|
555
|
0
|
|
|
|
|
0
|
$et->Warn("Can only edit PostScript information DCS Plate files"); |
|
556
|
0
|
|
|
|
|
0
|
last; |
|
557
|
|
|
|
|
|
|
} |
|
558
|
0
|
0
|
0
|
|
|
0
|
next unless $$addDirs{$dir} or $dir eq 'XMP'; |
|
559
|
0
|
|
|
|
|
0
|
$flags{WROTE_BEGIN} = 0; |
|
560
|
0
|
0
|
|
|
|
0
|
WritePSDirectory($et, $outfile, $dir, undef, \%flags) or $err = 1; |
|
561
|
0
|
|
|
|
|
0
|
$doneDir{$dir} = 1; |
|
562
|
|
|
|
|
|
|
} |
|
563
|
|
|
|
|
|
|
# copy rest of file |
|
564
|
1
|
50
|
|
|
|
3
|
if ($flags{TRAILER}) { |
|
565
|
|
|
|
|
|
|
# write trailer before %%EOF |
|
566
|
0
|
|
|
|
|
0
|
for (;;) { |
|
567
|
0
|
0
|
|
|
|
0
|
Write($outfile, $data) or $err = 1; |
|
568
|
0
|
0
|
|
|
|
0
|
if (@lines) { |
|
569
|
0
|
|
|
|
|
0
|
$data = shift @lines; |
|
570
|
|
|
|
|
|
|
} else { |
|
571
|
0
|
0
|
|
|
|
0
|
$raf->ReadLine($data) or undef($data), last; |
|
572
|
0
|
0
|
|
|
|
0
|
$dos and CheckPSEnd($raf, \$data); |
|
573
|
0
|
0
|
|
|
|
0
|
if ($data =~ /[\x0d\x0a]%%EOF\b/g) { |
|
574
|
|
|
|
|
|
|
# split data before "%%EOF" |
|
575
|
|
|
|
|
|
|
# (necessary if data contains other newline sequences) |
|
576
|
0
|
|
|
|
|
0
|
my $pos = pos($data) - 5; |
|
577
|
0
|
|
|
|
|
0
|
push @lines, substr($data, $pos); |
|
578
|
0
|
|
|
|
|
0
|
$data = substr($data, 0, $pos); |
|
579
|
|
|
|
|
|
|
} |
|
580
|
|
|
|
|
|
|
} |
|
581
|
0
|
0
|
|
|
|
0
|
last if $data =~ /^%%EOF\b/; |
|
582
|
|
|
|
|
|
|
} |
|
583
|
0
|
0
|
|
|
|
0
|
Write($outfile, $flags{TRAILER}) or $err = 1; |
|
584
|
|
|
|
|
|
|
} |
|
585
|
|
|
|
|
|
|
# simply copy the rest of the file if any data is left |
|
586
|
1
|
50
|
|
|
|
4
|
if (defined $data) { |
|
587
|
1
|
50
|
|
|
|
3
|
Write($outfile, $data) or $err = 1; |
|
588
|
1
|
50
|
0
|
|
|
3
|
Write($outfile, @lines) or $err = 1 if @lines; |
|
589
|
1
|
|
|
|
|
5
|
while ($raf->Read($data, 65536)) { |
|
590
|
1
|
50
|
|
|
|
4
|
$dos and CheckPSEnd($raf, \$data); |
|
591
|
1
|
50
|
|
|
|
3
|
Write($outfile, $data) or $err = 1; |
|
592
|
|
|
|
|
|
|
} |
|
593
|
|
|
|
|
|
|
} |
|
594
|
1
|
|
|
|
|
2
|
last; # all done! |
|
595
|
|
|
|
|
|
|
} |
|
596
|
|
|
|
|
|
|
} |
|
597
|
|
|
|
|
|
|
# write new information or copy existing line |
|
598
|
9
|
50
|
|
|
|
21
|
Write($outfile, $data) or $err = 1; |
|
599
|
|
|
|
|
|
|
} |
|
600
|
1
|
50
|
33
|
|
|
5
|
if ($dos and not $err) { |
|
601
|
|
|
|
|
|
|
# must go back and set length of PS section in DOS header (very dumb design) |
|
602
|
0
|
0
|
|
|
|
0
|
if (ref $outfile eq 'SCALAR') { |
|
603
|
0
|
|
|
|
|
0
|
Set32u(length($$outfile) - $psNewStart, $outfile, 8); |
|
604
|
|
|
|
|
|
|
} else { |
|
605
|
0
|
|
|
|
|
0
|
my $pos = tell $outfile; |
|
606
|
0
|
0
|
0
|
|
|
0
|
unless (seek($outfile, 8, 0) and |
|
|
|
|
0
|
|
|
|
|
|
607
|
|
|
|
|
|
|
print $outfile Set32u($pos - $psNewStart) and |
|
608
|
|
|
|
|
|
|
seek($outfile, $pos, 0)) |
|
609
|
|
|
|
|
|
|
{ |
|
610
|
0
|
|
|
|
|
0
|
$et->Error("Can't write DOS-style PS files in non-seekable stream"); |
|
611
|
0
|
|
|
|
|
0
|
$err = 1; |
|
612
|
|
|
|
|
|
|
} |
|
613
|
|
|
|
|
|
|
} |
|
614
|
|
|
|
|
|
|
} |
|
615
|
|
|
|
|
|
|
# issue warning if we couldn't write any information |
|
616
|
1
|
50
|
|
|
|
4
|
unless ($err) { |
|
617
|
1
|
|
|
|
|
2
|
my (@notDone, $dir); |
|
618
|
1
|
|
|
|
|
3
|
delete $$newTags{XMP_HINT}; |
|
619
|
1
|
50
|
|
|
|
10
|
push @notDone, 'PostScript' if %$newTags; |
|
620
|
1
|
|
|
|
|
4
|
foreach $dir (qw{Photoshop ICC_Profile XMP}) { |
|
621
|
|
|
|
|
|
|
push @notDone, $dir if $$editDirs{$dir} and not $doneDir{$dir} and |
|
622
|
3
|
50
|
66
|
|
|
13
|
not $$et{DEL_GROUP}{$dir}; |
|
|
|
|
33
|
|
|
|
|
|
623
|
|
|
|
|
|
|
} |
|
624
|
1
|
50
|
|
|
|
4
|
@notDone and $et->Warn("Couldn't write ".join('/',@notDone).' information'); |
|
625
|
|
|
|
|
|
|
} |
|
626
|
1
|
50
|
|
|
|
3
|
$endToken and $et->Error("File missing $endToken"); |
|
627
|
1
|
50
|
|
|
|
11
|
return $err ? -1 : 1; |
|
628
|
|
|
|
|
|
|
} |
|
629
|
|
|
|
|
|
|
|
|
630
|
|
|
|
|
|
|
|
|
631
|
|
|
|
|
|
|
1; # end |
|
632
|
|
|
|
|
|
|
|
|
633
|
|
|
|
|
|
|
__END__ |