function testThisDoesNotWorkAsExpected()
{
$subject = "Превед, медвед!";
$data = new PelDataWindow(file_get_contents($this->file));
if (PelJpeg::isValid($data)) {
$jpeg = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if (null === $exif) {
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
}
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
if (null === $ifd0) {
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
}
$ifd0->addEntry(new PelEntryWindowsString(PelTag::XP_SUBJECT, $subject));
file_put_contents($this->file, $jpeg->getBytes());
$jpeg = new PelJpeg($this->file);
$exif = $jpeg->getExif();
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
$written_subject = $ifd0->getEntry(PelTag::XP_SUBJECT);
$this->assertEquals($subject, $written_subject->getValue());
}
println(' -d turn debug output on.');
println('Mandatory arguments:');
println(' file ... one or more file names.');
println();
println('The files will be renamed based on their Exif timestamp.');
exit(1);
}
/*
* We typically need lots of RAM to parse TIFF images since they tend
* to be big and uncompressed.
*/
ini_set('memory_limit', '32M');
foreach ($argv as $file) {
println('Reading file "%s".', $file);
$data = new PelDataWindow(file_get_contents($file));
if (PelJpeg::isValid($data)) {
$jpeg = new PelJpeg();
$jpeg->load($data);
$app1 = $jpeg->getExif();
$tiff = $app1->getTiff();
} elseif (PelTiff::isValid($data)) {
$tiff = new PelTiff($data);
} else {
println('Unrecognized image format! Skipping.');
continue;
}
$ifd0 = $tiff->getIfd();
$entry = $ifd0->getEntry(PelTag::DATE_TIME);
if ($entry == null) {
println('Skipping %s because no DATE_TIME tag was found.', $file);
continue;
/**
* Strip orientation from EXIF data for an image at a path.
*
* @param $filePath
*
* @return bool
*/
public function stripOrientationFromExifData($filePath)
{
if (!ImageHelper::canHaveExifData($filePath)) {
return null;
}
$data = new PelDataWindow(IOHelper::getFileContents($filePath));
// Is this a valid JPEG?
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif) {
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
// Delete the Orientation entry and re-save the file
$ifd0->offsetUnset(PelTag::ORIENTATION);
$file->saveFile($filePath);
return true;
}
}
return false;
}
/**
* Strip orientation from EXIF data for an image at a path.
*
* @param $filePath
*
* @return bool
*/
public function stripOrientationFromExifData($filePath)
{
if (!ImageHelper::canHaveExifData($filePath)) {
return null;
}
// Quick and dirty, if possible
if ($this->isImagick() && method_exists('Imagick', 'setImageProperty')) {
$image = new \Imagick($filePath);
$image->setImageOrientation(\Imagick::ORIENTATION_UNDEFINED);
$image->writeImages($filePath, true);
return true;
}
$data = new PelDataWindow(IOHelper::getFileContents($filePath));
// Is this a valid JPEG?
if (PelJpeg::isValid($data)) {
$jpeg = $file = new PelJpeg();
$jpeg->load($data);
$exif = $jpeg->getExif();
if ($exif) {
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
// Delete the Orientation entry and re-save the file
$ifd0->offsetUnset(PelTag::ORIENTATION);
$file->saveFile($filePath);
return true;
}
}
return false;
}
