/**
* XMP data should take priority over iptc data
* when hash has been updated, but not when
* the hash is wrong.
*/
public function testMerging()
{
$merger = new BitmapMetadataHandler();
$merger->addMetadata(array('foo' => 'xmp'), 'xmp-general');
$merger->addMetadata(array('bar' => 'xmp'), 'xmp-general');
$merger->addMetadata(array('baz' => 'xmp'), 'xmp-general');
$merger->addMetadata(array('fred' => 'xmp'), 'xmp-general');
$merger->addMetadata(array('foo' => 'iptc (hash)'), 'iptc-good-hash');
$merger->addMetadata(array('bar' => 'iptc (bad hash)'), 'iptc-bad-hash');
$merger->addMetadata(array('baz' => 'iptc (bad hash)'), 'iptc-bad-hash');
$merger->addMetadata(array('fred' => 'iptc (no hash)'), 'iptc-no-hash');
$merger->addMetadata(array('baz' => 'exif'), 'exif');
$actual = $merger->getMetadataArray();
$expected = array('foo' => 'xmp', 'bar' => 'iptc (bad hash)', 'baz' => 'exif', 'fred' => 'xmp');
$this->assertEquals($expected, $actual);
}
/**
* Postprocess the metadata (convert xmp into useful form, etc)
*
* This is used to generate the metadata table at the bottom
* of the image description page.
*
* @param $data Array metadata
* @return Array post-processed metadata
*/
protected function postProcessDump(array $data)
{
$meta = new BitmapMetadataHandler();
$items = array();
foreach ($data as $key => $val) {
switch ($key) {
case 'Title':
$items['ObjectName'] = $val;
break;
case 'Subject':
$items['ImageDescription'] = $val;
break;
case 'Keywords':
// Sometimes we have empty keywords. This seems
// to be a product of how pdfinfo deals with keywords
// with spaces in them. Filter such empty keywords
$keyList = array_filter(explode(' ', $val));
if (count($keyList) > 0) {
$items['Keywords'] = $keyList;
}
break;
case 'Author':
$items['Artist'] = $val;
break;
case 'Creator':
// Program used to create file.
// Different from program used to convert to pdf.
$items['Software'] = $val;
break;
case 'Producer':
// Conversion program
$items['pdf-Producer'] = $val;
break;
case 'ModTime':
$timestamp = wfTimestamp(TS_EXIF, $val);
if ($timestamp) {
// 'if' is just paranoia
$items['DateTime'] = $timestamp;
}
break;
case 'CreationTime':
$timestamp = wfTimestamp(TS_EXIF, $val);
if ($timestamp) {
$items['DateTimeDigitized'] = $timestamp;
}
break;
// These last two (version and encryption) I was unsure
// if we should include in the table, since they aren't
// all that useful to editors. I leaned on the side
// of including. However not including if file
// is optimized/linearized since that is really useless
// to an editor.
// These last two (version and encryption) I was unsure
// if we should include in the table, since they aren't
// all that useful to editors. I leaned on the side
// of including. However not including if file
// is optimized/linearized since that is really useless
// to an editor.
case 'PDF version':
$items['pdf-Version'] = $val;
break;
case 'Encrypted':
// @todo: The value isn't i18n-ised. The appropriate
// place to do that is in FormatMetadata.php
// should add a hook a there.
// For reference, if encrypted this fields value looks like:
// "yes (print:yes copy:no change:no addNotes:no)"
$items['pdf-Encrypted'] = $val;
break;
// Note 'pages' and 'Pages' are different keys (!)
// Note 'pages' and 'Pages' are different keys (!)
case 'pages':
// A pdf document can have multiple sized pages in it.
// (However 95% of the time, all pages are the same size)
// get a list of all the unique page sizes in document.
// This doesn't do anything with rotation as of yet,
// mostly because I am unsure of what a good way to
// present that information to the user would be.
$pageSizes = array();
foreach ($val as $page) {
if (isset($page['Page size'])) {
$pageSizes[$page['Page size']] = true;
}
}
$pageSizeArray = array_keys($pageSizes);
if (count($pageSizeArray) > 0) {
$items['pdf-PageSize'] = $pageSizeArray;
}
break;
}
}
$meta->addMetadata($items, 'native');
if (isset($data['xmp']) && function_exists('xml_parser_create_ns')) {
// func exists verifies that the xml extension required for XMPReader
// is present (Almost always is present)
// @todo: This only handles generic xmp properties. Would be improved
// by handling pdf xmp properties (pdf and pdfx) via XMPInfo hook.
$xmp = new XMPReader(LoggerFactory::getInstance('XMP'));
$xmp->parse($data['xmp']);
$xmpRes = $xmp->getResults();
foreach ($xmpRes as $type => $xmpSection) {
$meta->addMetadata($xmpSection, $type);
}
}
unset($data['xmp']);
$data['mergedMetadata'] = $meta->getMetadataArray();
return $data;
}
