public function ExifPHPExtension::getHumanReadableDescriptions in Exif 8

Same name and namespace in other branches

1. 8.2 src/ExifPHPExtension.php \Drupal\exif\ExifPHPExtension::getHumanReadableDescriptions()
2. 7 ExifPHPExtension.php \Drupal\exif\ExifPHPExtension::getHumanReadableDescriptions()

Convert machine tag values to their human-readable descriptions.

Sources: http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/EXIF.html.

File

src/ExifPHPExtension.php, line 524

Class

ExifPHPExtension

Class ExifPHPExtension Parser implementation base d on PHP Exif extension.

Namespace

Drupal\exif

Code

public function getHumanReadableDescriptions() {
  $machineToHuman = [];
  $machineToHuman['componentsconfiguration'] = [
    '0' => t('-'),
    '1' => t('Y'),
    '2' => t('Cb'),
    '3' => t('Cr'),
    '4' => t('R'),
    '5' => t('G'),
    '6' => t('B'),
  ];
  $machineToHuman['compression'] = [
    '1' => t('Uncompressed'),
    '2' => t('CCITT 1D'),
    '3' => t('T4/Group 3 Fax'),
    '4' => t('T6/Group 4 Fax'),
    '5' => t('LZW'),
    '6' => t('JPEG (old-style)'),
    '7' => t('JPEG'),
    '8' => t('Adobe Deflate'),
    '9' => t('JBIG B&W'),
    '10' => t('JBIG Color'),
    '99' => t('JPEG'),
    '262' => t('Kodak 262'),
    '32766' => t('Next'),
    '32767' => t('Sony ARW Compressed'),
    '32769' => t('Packed RAW'),
    '32770' => t('Samsung SRW Compressed'),
    '32771' => t('CCIRLEW'),
    '32773' => t('PackBits'),
    '32809' => t('Thunderscan'),
    '32867' => t('Kodak KDC Compressed'),
    '32895' => t('IT8CTPAD'),
    '32896' => t('IT8LW'),
    '32897' => t('IT8MP'),
    '32898' => t('IT8BL'),
    '32908' => t('PixarFilm'),
    '32909' => t('PixarLog'),
    '32946' => t('Deflate'),
    '32947' => t('DCS'),
    '34661' => t('JBIG'),
    '34676' => t('SGILog'),
    '34677' => t('SGILog24'),
    '34712' => t('JPEG 2000'),
    '34713' => t('Nikon NEF Compressed'),
    '34715' => t('JBIG2 TIFF FX'),
    '34718' => t('Microsoft Document Imaging (MDI) Binary Level Codec'),
    '34719' => t('Microsoft Document Imaging (MDI) Progressive Transform Codec'),
    '34720' => t('Microsoft Document Imaging (MDI) Vector'),
    '65000' => t('Kodak DCR Compressed'),
    '65535' => t('Pentax PEF Compressed'),
  ];
  $machineToHuman['contrast'] = [
    '0' => t('Normal'),
    '1' => t('Low'),
    '2' => t('High'),
  ];
  $machineToHuman['exposuremode'] = [
    '0' => t('Auto'),
    '1' => t('Manual'),
    '2' => t('Auto bracket'),
  ];

  // (the value of 9 is not standard EXIF, but is used by the Canon EOS 7D)
  $machineToHuman['exposureprogram'] = [
    '0' => t('Not Defined'),
    '1' => t('Manual'),
    '2' => t('Program AE'),
    '3' => t('Aperture-priority AE'),
    '4' => t('Shutter speed priority AE'),
    '5' => t('Creative (Slow speed)'),
    '6' => t('Action (High speed)'),
    '7' => t('Portrait'),
    '8' => t('Landscape'),
    '9' => t('Bulb'),
  ];
  $machineToHuman['flash'] = [
    '0' => t('Flash did not fire'),
    '1' => t('Flash fired'),
    '5' => t('Strobe return light not detected'),
    '7' => t('Strobe return light detected'),
    '9' => t('Flash fired, compulsory flash mode'),
    '13' => t('Flash fired, compulsory flash mode, return light not detected'),
    '15' => t('Flash fired, compulsory flash mode, return light detected'),
    '16' => t('Flash did not fire, compulsory flash mode'),
    '24' => t('Flash did not fire, auto mode'),
    '25' => t('Flash fired, auto mode'),
    '29' => t('Flash fired, auto mode, return light not detected'),
    '31' => t('Flash fired, auto mode, return light detected'),
    '32' => t('No flash function'),
    '65' => t('Flash fired, red-eye reduction mode'),
    '69' => t('Flash fired, red-eye reduction mode, return light not detected'),
    '71' => t('Flash fired, red-eye reduction mode, return light detected'),
    '73' => t('Flash fired, compulsory flash mode, red-eye reduction mode'),
    '77' => t('Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected'),
    '79' => t('Flash fired, compulsory flash mode, red-eye reduction mode, return light detected'),
    '89' => t('Flash fired, auto mode, red-eye reduction mode'),
    '93' => t('Flash fired, auto mode, return light not detected, red-eye reduction mode'),
    '95' => t('Flash fired, auto mode, return light detected, red-eye reduction mode'),
  ];

  // (values 1, 4 and 5 are not standard EXIF)
  $machineToHuman['focalplaneresolutionunit'] = [
    '1' => t('None'),
    '2' => t('inches'),
    '3' => t('cm'),
    '4' => t('mm'),
    '5' => t('um'),
  ];
  $machineToHuman['gaincontrol'] = [
    '0' => t('None'),
    '1' => t('Low gain up'),
    '2' => t('High gain up'),
    '3' => t('Low gain down'),
    '4' => t('High gain down'),
  ];
  $machineToHuman['lightsource'] = [
    '0' => t('Unknown'),
    '1' => t('Daylight'),
    '2' => t('Fluorescent'),
    '3' => t('Tungsten (Incandescent)'),
    '4' => t('Flash'),
    '9' => t('Fine Weather'),
    '10' => t('Cloudy'),
    '11' => t('Shade'),
    '12' => t('Daylight Fluorescent'),
    '13' => t('Day White Fluorescent'),
    '14' => t('Cool White Fluorescent'),
    '15' => t('White Fluorescent'),
    '16' => t('Warm White Fluorescent'),
    '17' => t('Standard Light A'),
    '18' => t('Standard Light B'),
    '19' => t('Standard Light C'),
    '20' => t('D55'),
    '21' => t('D65'),
    '22' => t('D75'),
    '23' => t('D50'),
    '24' => t('ISO Studio Tungsten'),
    '255' => t('Other'),
  ];
  $machineToHuman['meteringmode'] = [
    '0' => t('Unknown'),
    '1' => t('Average'),
    '2' => t('Center-weighted average'),
    '3' => t('Spot'),
    '4' => t('Multi-spot'),
    '5' => t('Multi-segment'),
    '6' => t('Partial'),
    '255' => t('Other'),
  ];
  $machineToHuman['orientation'] = [
    '1' => t('Horizontal (normal)'),
    '2' => t('Mirror horizontal'),
    '3' => t('Rotate 180'),
    '4' => t('Mirror vertical'),
    '5' => t('Mirror horizontal and rotate 270 CW'),
    '6' => t('Rotate 90 CW'),
    '7' => t('Mirror horizontal and rotate 90 CW'),
    '8' => t('Rotate 270 CW'),
  ];

  // (the value 1 is not standard EXIF)
  $machineToHuman['resolutionunit'] = [
    '1' => t('None'),
    '2' => t('inches'),
    '3' => t('cm'),
  ];
  $machineToHuman['saturation'] = [
    '0' => t('Normal'),
    '1' => t('Low'),
    '2' => t('High'),
  ];
  $machineToHuman['scenecapturetype'] = [
    '0' => t('Standard'),
    '1' => t('Landscape'),
    '2' => t('Portrait'),
    '3' => t('Night'),
  ];

  // (values 1 and 6 are not standard EXIF)
  $machineToHuman['sensingmethod'] = [
    '1' => t('Monochrome area'),
    '2' => t('One-chip color area'),
    '3' => t('Two-chip color area'),
    '4' => t('Three-chip color area'),
    '5' => t('Color sequential area'),
    '6' => t('Monochrome linear'),
    '7' => t('Trilinear'),
    '8' => t('Color sequential linear'),
  ];

  // (applies to EXIF:ISO tag)
  $machineToHuman['sensitivitytype'] = [
    '0' => t('Unknown'),
    '1' => t('Standard Output Sensitivity'),
    '2' => t('Recommended Exposure Index'),
    '3' => t('ISO Speed'),
    '4' => t('Standard Output Sensitivity and Recommended Exposure Index'),
    '5' => t('Standard Output Sensitivity and ISO Speed'),
    '6' => t('Recommended Exposure Index and ISO Speed'),
    '7' => t('Standard Output Sensitivity, Recommended Exposure Index and ISO Speed'),
  ];
  $machineToHuman['sharpness'] = [
    '0' => t('Normal'),
    '1' => t('Soft'),
    '2' => t('Hard'),
  ];
  $machineToHuman['subjectdistancerange'] = [
    '0' => t('Unknown'),
    '1' => t('Macro'),
    '2' => t('Close'),
    '3' => t('Distant'),
  ];
  $machineToHuman['uncompressed'] = [
    '0' => t('No'),
    '1' => t('Yes'),
  ];
  $machineToHuman['whitebalance'] = [
    '0' => t('Auto'),
    '1' => t('Manual'),
  ];
  return $machineToHuman;
}