ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
Public Member Functions
getid3_svg Class Reference

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

+ Inheritance diagram for getid3_svg:
+ Collaboration diagram for getid3_svg:

Public Member Functions

 getid3_svg (&$fd, &$ThisFileInfo)
 
 Analyze ()
 
- 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 18 of file module.graphic.svg.php.

Member Function Documentation

◆ Analyze()

getid3_svg::Analyze ( )

Definition at line 22 of file module.graphic.svg.php.

References $info, getid3_handler\fread(), and getid3_handler\fseek().

22  {
23  $info = &$this->getid3->info;
24 
25  $this->fseek($info['avdataoffset']);
26 
27  $SVGheader = $this->fread(4096);
28  if (preg_match('#<\?xml([^>]+)\?>#i', $SVGheader, $matches)) {
29  $info['svg']['xml']['raw'] = $matches;
30  }
31  if (preg_match('#<\!DOCTYPE([^>]+)>#i', $SVGheader, $matches)) {
32  $info['svg']['doctype']['raw'] = $matches;
33  }
34  if (preg_match('#<svg([^>]+)>#i', $SVGheader, $matches)) {
35  $info['svg']['svg']['raw'] = $matches;
36  }
37  if (isset($info['svg']['svg']['raw'])) {
38 
39  $sections_to_fix = array('xml', 'doctype', 'svg');
40  foreach ($sections_to_fix as $section_to_fix) {
41  if (!isset($info['svg'][$section_to_fix])) {
42  continue;
43  }
44  $section_data = array();
45  while (preg_match('/ "([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) {
46  $section_data[] = $matches[1];
47  $info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]);
48  }
49  while (preg_match('/([^\s]+)="([^"]+)"/', $info['svg'][$section_to_fix]['raw'][1], $matches)) {
50  $section_data[] = $matches[0];
51  $info['svg'][$section_to_fix]['raw'][1] = str_replace($matches[0], '', $info['svg'][$section_to_fix]['raw'][1]);
52  }
53  $section_data = array_merge($section_data, preg_split('/[\s,]+/', $info['svg'][$section_to_fix]['raw'][1]));
54  foreach ($section_data as $keyvaluepair) {
55  $keyvaluepair = trim($keyvaluepair);
56  if ($keyvaluepair) {
57  $keyvalueexploded = explode('=', $keyvaluepair);
58  $key = (isset($keyvalueexploded[0]) ? $keyvalueexploded[0] : '');
59  $value = (isset($keyvalueexploded[1]) ? $keyvalueexploded[1] : '');
60  $info['svg'][$section_to_fix]['sections'][$key] = trim($value, '"');
61  }
62  }
63  }
64 
65  $info['fileformat'] = 'svg';
66  $info['video']['dataformat'] = 'svg';
67  $info['video']['lossless'] = true;
68  //$info['video']['bits_per_sample'] = 24;
69  $info['video']['pixel_aspect_ratio'] = (float) 1;
70 
71  if (!empty($info['svg']['svg']['sections']['width'])) {
72  $info['svg']['width'] = intval($info['svg']['svg']['sections']['width']);
73  }
74  if (!empty($info['svg']['svg']['sections']['height'])) {
75  $info['svg']['height'] = intval($info['svg']['svg']['sections']['height']);
76  }
77  if (!empty($info['svg']['svg']['sections']['version'])) {
78  $info['svg']['version'] = $info['svg']['svg']['sections']['version'];
79  }
80  if (!isset($info['svg']['version']) && isset($info['svg']['doctype']['sections'])) {
81  foreach ($info['svg']['doctype']['sections'] as $key => $value) {
82  if (preg_match('#//W3C//DTD SVG ([0-9\.]+)//#i', $key, $matches)) {
83  $info['svg']['version'] = $matches[1];
84  break;
85  }
86  }
87  }
88 
89  if (!empty($info['svg']['width'])) {
90  $info['video']['resolution_x'] = $info['svg']['width'];
91  }
92  if (!empty($info['svg']['height'])) {
93  $info['video']['resolution_y'] = $info['svg']['height'];
94  }
95 
96  return true;
97  }
98  $info['error'][] = 'Did not find expected <svg> tag';
99  return false;
100  }
$info
$info
Definition: example_052.php:80
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1685
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
+ Here is the call graph for this function:

◆ getid3_svg()

getid3_svg::getid3_svg ( &  $fd,
&  $ThisFileInfo 
)

Definition at line 22 of file module.graphic.svg.php.

References getid3_handler\fread(), getid3_handler\fseek(), and getid3_lib\LittleEndian2Int().

22  {
23  fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
24 
25  // I'm making this up, please modify as appropriate
26  $SVGheader = fread($fd, 32);
27  $ThisFileInfo['svg']['magic'] = substr($SVGheader, 0, 4);
28  if ($ThisFileInfo['svg']['magic'] == 'aBcD') {
29 
30  $ThisFileInfo['fileformat'] = 'svg';
31  $ThisFileInfo['video']['dataformat'] = 'svg';
32  $ThisFileInfo['video']['lossless'] = true;
33  $ThisFileInfo['video']['bits_per_sample'] = 24;
34  $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
35 
36  $ThisFileInfo['svg']['width'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
37  $ThisFileInfo['svg']['height'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 4));
38 
39  $ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['svg']['width'];
40  $ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['svg']['height'];
41 
42  return true;
43  }
44  $ThisFileInfo['error'][] = 'Did not find SVG magic bytes "aBcD" at '.$ThisFileInfo['avdataoffset'];
45  unset($ThisFileInfo['fileformat']);
46  return false;
47  }
getid3_lib\LittleEndian2Int
LittleEndian2Int($byteword, $signed=false)
Definition: getid3.lib.php:266
getid3_handler\fread
fread($bytes)
Definition: getid3.php:1685
getid3_handler\fseek
fseek($bytes, $whence=SEEK_SET)
Definition: getid3.php:1697
+ Here is the call graph for this function:
The documentation for this class was generated from the following file: