ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions
getid3_jpg Class Reference

getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g // More...

+ Inheritance diagram for getid3_jpg:
+ Collaboration diagram for getid3_jpg:

Public Member Functions

 getid3_jpg (&$fd, &$ThisFileInfo)
 
 Analyze ()
 
 CastAsAppropriate ($value)
 
 IPTCrecordName ($iptc_record)
 
 IPTCrecordTagName ($iptc_record, $iptc_tagkey)
 
- Public Member Functions inherited from getid3_handler
 __construct (getID3 $getid3, $call_module=null)
 
 Analyze ()
 
 AnalyzeString ($string)
 
 setStringMode ($string)
 
 saveAttachment ($name, $offset, $length, $image_mime=null)
 

Additional Inherited Members

- Protected Member Functions inherited from getid3_handler
 ftell ()
 
 fread ($bytes)
 
 fseek ($bytes, $whence=SEEK_SET)
 
 feof ()
 
 isDependencyFor ($module)
 
 error ($text)
 
 warning ($text)
 
 notice ($text)
 
- Protected Attributes inherited from getid3_handler
 $getid3
 
 $data_string_flag = false
 
 $data_string = ''
 
 $data_string_position = 0
 
 $data_string_length = 0
 

Detailed Description

getID3() by James Heinrich info@.nosp@m.geti.nosp@m.d3.or.nosp@m.g //

Definition at line 17 of file module.graphic.jpg.php.

Member Function Documentation

◆ Analyze()

getid3_jpg::Analyze ( )

Definition at line 23 of file module.graphic.jpg.php.

References $info, CastAsAppropriate(), getid3_lib\DecimalizeFraction(), getid3_handler\fseek(), getid3_lib\IncludeDependency(), IPTCrecordName(), and IPTCrecordTagName().

23  {
24  $info = &$this->getid3->info;
25 
26  $info['fileformat'] = 'jpg';
27  $info['video']['dataformat'] = 'jpg';
28  $info['video']['lossless'] = false;
29  $info['video']['bits_per_sample'] = 24;
30  $info['video']['pixel_aspect_ratio'] = (float) 1;
31 
32  $this->fseek($info['avdataoffset']);
33 
34  $imageinfo = array();
35  //list($width, $height, $type) = getid3_lib::GetDataImageSize($this->fread($info['filesize']), $imageinfo);
36  list($width, $height, $type) = getimagesize($info['filenamepath'], $imageinfo); // http://www.getid3.org/phpBB3/viewtopic.php?t=1474
37 
38 
39  if (isset($imageinfo['APP13'])) {
40  // http://php.net/iptcparse
41  // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
42  $iptc_parsed = iptcparse($imageinfo['APP13']);
43  if (is_array($iptc_parsed)) {
44  foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) {
45  list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw);
46  $iptc_tagkey = intval(ltrim($iptc_tagkey, '0'));
47  foreach ($iptc_values as $key => $value) {
48  $IPTCrecordName = $this->IPTCrecordName($iptc_record);
49  $IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
50  if (isset($info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName])) {
51  $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
52  } else {
53  $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
54  }
55  }
56  }
57  }
58  }
59 
60  $returnOK = false;
61  switch ($type) {
62  case IMG_JPG:
63  $info['video']['resolution_x'] = $width;
64  $info['video']['resolution_y'] = $height;
65 
66  if (isset($imageinfo['APP1'])) {
67  if (function_exists('exif_read_data')) {
68  if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
69 //$info['warning'][] = 'known issue: https://bugs.php.net/bug.php?id=62523';
70 //return false;
71  $info['jpg']['exif'] = exif_read_data($info['filenamepath'], null, true, false);
72  } else {
73  $info['warning'][] = 'exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "'.substr($imageinfo['APP1'], 0, 4).'")';
74  }
75  } else {
76  $info['warning'][] = 'EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif');
77  }
78  }
79  $returnOK = true;
80  break;
81 
82  default:
83  break;
84  }
85 
86 
87  $cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
88  foreach ($cast_as_appropriate_keys as $exif_key) {
89  if (isset($info['jpg']['exif'][$exif_key])) {
90  foreach ($info['jpg']['exif'][$exif_key] as $key => $value) {
91  $info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
92  }
93  }
94  }
95 
96 
97  if (isset($info['jpg']['exif']['GPS'])) {
98 
99  if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) {
100  for ($i = 0; $i < 4; $i++) {
101  $version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
102  }
103  $info['jpg']['exif']['GPS']['computed']['version'] = 'v'.implode('.', $version_subparts);
104  }
105 
106  if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) {
107  $explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']);
108  $computed_time[5] = (isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : '');
109  $computed_time[3] = (isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : '');
110  $computed_time[4] = (isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : '');
111 
112  $computed_time = array(0=>0, 1=>0, 2=>0, 3=>0, 4=>0, 5=>0);
113  if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) {
114  foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
115  $computed_time[$key] = getid3_lib::DecimalizeFraction($value);
116  }
117  }
118  $info['jpg']['exif']['GPS']['computed']['timestamp'] = gmmktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
119  }
120 
121  if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) {
122  $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S')) ? -1 : 1);
123  foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
124  $computed_latitude[$key] = getid3_lib::DecimalizeFraction($value);
125  }
126  $info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + ($computed_latitude[1] / 60) + ($computed_latitude[2] / 3600));
127  }
128 
129  if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) {
130  $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W')) ? -1 : 1);
131  foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
132  $computed_longitude[$key] = getid3_lib::DecimalizeFraction($value);
133  }
134  $info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + ($computed_longitude[1] / 60) + ($computed_longitude[2] / 3600));
135  }
136  if (isset($info['jpg']['exif']['GPS']['GPSAltitudeRef'])) {
137  $info['jpg']['exif']['GPS']['GPSAltitudeRef'] = ord($info['jpg']['exif']['GPS']['GPSAltitudeRef']); // 0 = above sea level; 1 = below sea level
138  }
139  if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) {
140  $direction_multiplier = (!empty($info['jpg']['exif']['GPS']['GPSAltitudeRef']) ? -1 : 1); // 0 = above sea level; 1 = below sea level
141  $info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * getid3_lib::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']);
142  }
143 
144  }
145 
146 
147  getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.xmp.php', __FILE__, true);
148  if (isset($info['filenamepath'])) {
149  $image_xmp = new Image_XMP($info['filenamepath']);
150  $xmp_raw = $image_xmp->getAllTags();
151  foreach ($xmp_raw as $key => $value) {
152  if (strpos($key, ':')) {
153  list($subsection, $tagname) = explode(':', $key);
154  $info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
155  } else {
156  $info['warning'][] = 'XMP: expecting "<subsection>:<tagname>", found "'.$key.'"';
157  }
158  }
159  }
160 
161  if (!$returnOK) {
162  unset($info['fileformat']);
163  return false;
164  }
165  return true;
166  }
getid3_jpg\IPTCrecordName
IPTCrecordName($iptc_record)
Definition: module.graphic.jpg.php:183
getid3_lib\DecimalizeFraction
static DecimalizeFraction($fraction)
Definition: getid3.lib.php:96
getid3_jpg\IPTCrecordTagName
IPTCrecordTagName($iptc_record, $iptc_tagkey)
Definition: module.graphic.jpg.php:200
$info
$info
Definition: example_052.php:80
Image_XMP
getID3() by James Heinrich info@getid3.org //
Definition: module.tag.xmp.php:34
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
getid3_jpg\CastAsAppropriate
CastAsAppropriate($value)
Definition: module.graphic.jpg.php:169
getid3_lib\IncludeDependency
IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1301
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◆ CastAsAppropriate()

getid3_jpg::CastAsAppropriate (   $value)

Definition at line 169 of file module.graphic.jpg.php.

References getid3_lib\CastAsInt(), and getid3_lib\DecimalizeFraction().

Referenced by Analyze().

169  {
170  if (is_array($value)) {
171  return $value;
172  } elseif (preg_match('#^[0-9]+/[0-9]+$#', $value)) {
173  return getid3_lib::DecimalizeFraction($value);
174  } elseif (preg_match('#^[0-9]+$#', $value)) {
175  return getid3_lib::CastAsInt($value);
176  } elseif (preg_match('#^[0-9\.]+$#', $value)) {
177  return (float) $value;
178  }
179  return $value;
180  }
getid3_lib\DecimalizeFraction
static DecimalizeFraction($fraction)
Definition: getid3.lib.php:96
getid3_lib\CastAsInt
CastAsInt($floatnum)
Definition: getid3.lib.php:60
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◆ getid3_jpg()

getid3_jpg::getid3_jpg ( &  $fd,
&  $ThisFileInfo 
)

Definition at line 21 of file module.graphic.jpg.php.

References $errors, getid3_handler\fread(), getid3_handler\fseek(), and getid3_lib\GetDataImageSize().

21  {
22  $ThisFileInfo['fileformat'] = 'jpg';
23  $ThisFileInfo['video']['dataformat'] = 'jpg';
24  $ThisFileInfo['video']['lossless'] = false;
25  $ThisFileInfo['video']['bits_per_sample'] = 24;
26  $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
27 
28  fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
29 
30  list($width, $height, $type) = getid3_lib::GetDataImageSize(fread($fd, $ThisFileInfo['filesize']));
31  if ($type == 2) {
32 
33  $ThisFileInfo['video']['resolution_x'] = $width;
34  $ThisFileInfo['video']['resolution_y'] = $height;
35 
36  if (version_compare(phpversion(), '4.2.0', '>=')) {
37 
38  if (function_exists('exif_read_data')) {
39 
40  ob_start();
41  $ThisFileInfo['jpg']['exif'] = exif_read_data($ThisFileInfo['filenamepath'], '', true, false);
42  $errors = ob_get_contents();
43  if ($errors) {
44  $ThisFileInfo['error'][] = strip_tags($errors);
45  unset($ThisFileInfo['jpg']['exif']);
46  }
47  ob_end_clean();
48 
49  } else {
50 
51  $ThisFileInfo['warning'][] = 'EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif');
52 
53  }
54 
55  } else {
56 
57  $ThisFileInfo['warning'][] = 'EXIF parsing only available in PHP v4.2.0 and higher compiled with --enable-exif (or php_exif.dll enabled for Windows). You are using PHP v'.phpversion();
58 
59  }
60 
61  return true;
62 
63  }
64 
65  unset($ThisFileInfo['fileformat']);
66  return false;
67  }
getid3_lib\GetDataImageSize
GetDataImageSize($imgData)
Definition: getid3.lib.php:1170
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1685
$errors
$errors
Definition: tcpdf_addfont.php:246
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
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◆ IPTCrecordName()

getid3_jpg::IPTCrecordName (   $iptc_record)

Definition at line 183 of file module.graphic.jpg.php.

Referenced by Analyze().

183  {
184  // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
185  static $IPTCrecordName = array();
186  if (empty($IPTCrecordName)) {
187  $IPTCrecordName = array(
188  1 => 'IPTCEnvelope',
189  2 => 'IPTCApplication',
190  3 => 'IPTCNewsPhoto',
191  7 => 'IPTCPreObjectData',
192  8 => 'IPTCObjectData',
193  9 => 'IPTCPostObjectData',
194  );
195  }
196  return (isset($IPTCrecordName[$iptc_record]) ? $IPTCrecordName[$iptc_record] : '');
197  }
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◆ IPTCrecordTagName()

getid3_jpg::IPTCrecordTagName (   $iptc_record,
  $iptc_tagkey 
)

Definition at line 200 of file module.graphic.jpg.php.

Referenced by Analyze().

200  {
201  // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
202  static $IPTCrecordTagName = array();
203  if (empty($IPTCrecordTagName)) {
204  $IPTCrecordTagName = array(
205  1 => array( // IPTC EnvelopeRecord Tags
206  0 => 'EnvelopeRecordVersion',
207  5 => 'Destination',
208  20 => 'FileFormat',
209  22 => 'FileVersion',
210  30 => 'ServiceIdentifier',
211  40 => 'EnvelopeNumber',
212  50 => 'ProductID',
213  60 => 'EnvelopePriority',
214  70 => 'DateSent',
215  80 => 'TimeSent',
216  90 => 'CodedCharacterSet',
217  100 => 'UniqueObjectName',
218  120 => 'ARMIdentifier',
219  122 => 'ARMVersion',
220  ),
221  2 => array( // IPTC ApplicationRecord Tags
222  0 => 'ApplicationRecordVersion',
223  3 => 'ObjectTypeReference',
224  4 => 'ObjectAttributeReference',
225  5 => 'ObjectName',
226  7 => 'EditStatus',
227  8 => 'EditorialUpdate',
228  10 => 'Urgency',
229  12 => 'SubjectReference',
230  15 => 'Category',
231  20 => 'SupplementalCategories',
232  22 => 'FixtureIdentifier',
233  25 => 'Keywords',
234  26 => 'ContentLocationCode',
235  27 => 'ContentLocationName',
236  30 => 'ReleaseDate',
237  35 => 'ReleaseTime',
238  37 => 'ExpirationDate',
239  38 => 'ExpirationTime',
240  40 => 'SpecialInstructions',
241  42 => 'ActionAdvised',
242  45 => 'ReferenceService',
243  47 => 'ReferenceDate',
244  50 => 'ReferenceNumber',
245  55 => 'DateCreated',
246  60 => 'TimeCreated',
247  62 => 'DigitalCreationDate',
248  63 => 'DigitalCreationTime',
249  65 => 'OriginatingProgram',
250  70 => 'ProgramVersion',
251  75 => 'ObjectCycle',
252  80 => 'By-line',
253  85 => 'By-lineTitle',
254  90 => 'City',
255  92 => 'Sub-location',
256  95 => 'Province-State',
257  100 => 'Country-PrimaryLocationCode',
258  101 => 'Country-PrimaryLocationName',
259  103 => 'OriginalTransmissionReference',
260  105 => 'Headline',
261  110 => 'Credit',
262  115 => 'Source',
263  116 => 'CopyrightNotice',
264  118 => 'Contact',
265  120 => 'Caption-Abstract',
266  121 => 'LocalCaption',
267  122 => 'Writer-Editor',
268  125 => 'RasterizedCaption',
269  130 => 'ImageType',
270  131 => 'ImageOrientation',
271  135 => 'LanguageIdentifier',
272  150 => 'AudioType',
273  151 => 'AudioSamplingRate',
274  152 => 'AudioSamplingResolution',
275  153 => 'AudioDuration',
276  154 => 'AudioOutcue',
277  184 => 'JobID',
278  185 => 'MasterDocumentID',
279  186 => 'ShortDocumentID',
280  187 => 'UniqueDocumentID',
281  188 => 'OwnerID',
282  200 => 'ObjectPreviewFileFormat',
283  201 => 'ObjectPreviewFileVersion',
284  202 => 'ObjectPreviewData',
285  221 => 'Prefs',
286  225 => 'ClassifyState',
287  228 => 'SimilarityIndex',
288  230 => 'DocumentNotes',
289  231 => 'DocumentHistory',
290  232 => 'ExifCameraInfo',
291  ),
292  3 => array( // IPTC NewsPhoto Tags
293  0 => 'NewsPhotoVersion',
294  10 => 'IPTCPictureNumber',
295  20 => 'IPTCImageWidth',
296  30 => 'IPTCImageHeight',
297  40 => 'IPTCPixelWidth',
298  50 => 'IPTCPixelHeight',
299  55 => 'SupplementalType',
300  60 => 'ColorRepresentation',
301  64 => 'InterchangeColorSpace',
302  65 => 'ColorSequence',
303  66 => 'ICC_Profile',
304  70 => 'ColorCalibrationMatrix',
305  80 => 'LookupTable',
306  84 => 'NumIndexEntries',
307  85 => 'ColorPalette',
308  86 => 'IPTCBitsPerSample',
309  90 => 'SampleStructure',
310  100 => 'ScanningDirection',
311  102 => 'IPTCImageRotation',
312  110 => 'DataCompressionMethod',
313  120 => 'QuantizationMethod',
314  125 => 'EndPoints',
315  130 => 'ExcursionTolerance',
316  135 => 'BitsPerComponent',
317  140 => 'MaximumDensityRange',
318  145 => 'GammaCompensatedValue',
319  ),
320  7 => array( // IPTC PreObjectData Tags
321  10 => 'SizeMode',
322  20 => 'MaxSubfileSize',
323  90 => 'ObjectSizeAnnounced',
324  95 => 'MaximumObjectSize',
325  ),
326  8 => array( // IPTC ObjectData Tags
327  10 => 'SubFile',
328  ),
329  9 => array( // IPTC PostObjectData Tags
330  10 => 'ConfirmedObjectSize',
331  ),
332  );
333 
334  }
335  return (isset($IPTCrecordTagName[$iptc_record][$iptc_tagkey]) ? $IPTCrecordTagName[$iptc_record][$iptc_tagkey] : $iptc_tagkey);
336  }
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The documentation for this class was generated from the following file: