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());
}
public function testRead()
{
Pel::clearExceptions();
Pel::setStrictParsing(false);
$jpeg = new PelJpeg(dirname(__FILE__) . '/no-exif.jpg');
$exif = $jpeg->getExif();
$this->assertNull($exif);
$this->assertTrue(count(Pel::getExceptions()) == 0);
}
private function saveToJpeg()
{
$jpegFile = new pel\PelJpeg($this->filePath);
$exif = $jpegFile->getExif();
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
switch ($this->tag) {
case 'Description':
$ifd0->addEntry(new pel\PelEntryAscii(pel\PelTag::IMAGE_DESCRIPTION, $this->value));
break;
default:
break;
}
$jpegFile->saveFile($this->filePath);
$this->refreshDatabase();
print 'save se povedlo';
header("Refresh:5; url=index.php", true, 303);
}
function testThisDoesNotWorkAsExpected()
{
$filename = dirname(__FILE__) . '/images/bug3017880.jpg';
try {
$exif = null;
$success = 1;
// return true by default, as this function may not resave the file, but it's still success
$resave_file = 0;
$jpeg = new PelJpeg($filename);
// should all exif data on photo be cleared (gd and iu will always strip it anyway, so only
// force strip if you know the image you're branding is an original)
// $jpeg->clearExif();
if ($exif === null) {
$exif = new PelExif();
$jpeg->setExif($exif);
$tiff = new PelTiff();
$exif->setTiff($tiff);
}
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
if ($ifd0 == null) {
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
}
$software_name = 'Example V2';
$software = $ifd0->getEntry(PelTag::SOFTWARE);
if ($software == null) {
$software = new PelEntryAscii(PelTag::SOFTWARE, $software_name);
$ifd0->addEntry($software);
$resave_file = 1;
echo 'null';
} else {
$software->setValue($software_name);
$resave_file = 1;
echo 'update';
}
if ($resave_file == 1 && !file_put_contents($filename, $jpeg->getBytes())) {
// if it was okay to resave the file, but it did not save correctly
$success = 0;
}
} catch (Exception $e) {
$this->fail('Test should not throw an exception');
}
}
function testThisDoesNotWorkAsExpected()
{
$tmpfile = dirname(__FILE__) . '/images/bug1730993_tmp.jpg';
$bigfile = dirname(__FILE__) . '/images/bug1730993_large.jpg';
// TODO: Should not throw exception
return;
try {
require_once 'PelJpeg.php';
$jpeg = new PelJpeg($tmpfile);
// the error occurs here
$exif = $jpeg->getExif();
if ($exif != null) {
$jpeg1 = new PelJpeg($bigfile);
$jpeg1->setExif($exif);
file_put_contents($bigfile, $jpeg1->getBytes());
}
} catch (Exception $e) {
$this->fail('Test should not throw exception: ' . $e->getMessage());
}
}
function testThisDoesNotWorkAsExpected()
{
$scale = 0.75;
$input_jpeg = new PelJpeg($this->file);
$original = ImageCreateFromString($input_jpeg->getBytes());
$original_w = ImagesX($original);
$original_h = ImagesY($original);
$scaled_w = $original_w * $scale;
$scaled_h = $original_h * $scale;
$scaled = ImageCreateTrueColor($scaled_w, $scaled_h);
ImageCopyResampled($scaled, $original, 0, 0, 0, 0, $scaled_w, $scaled_h, $original_w, $original_h);
$output_jpeg = new PelJpeg($scaled);
$exif = $input_jpeg->getExif();
if ($exif !== null) {
$output_jpeg->setExif($exif);
}
file_put_contents($this->file, $output_jpeg->getBytes());
$jpeg = new PelJpeg($this->file);
$exifin = $jpeg->getExif();
$this->assertEquals($exif, $exifin);
}
exit(1);
}
/* The input file is now loaded into a PelJpeg object. */
println('Reading file "%s".', $input);
$input_jpeg = new PelJpeg($input);
/*
* The input image is already loaded, so we can reuse the bytes stored
* in $input_jpeg when creating the Image resource.
*/
$original = ImageCreateFromString($input_jpeg->getBytes());
$original_w = ImagesX($original);
$original_h = ImagesY($original);
$scaled_w = $original_w * $scale;
$scaled_h = $original_h * $scale;
/* Now create the scaled image. */
$scaled = ImageCreateTrueColor($scaled_w, $scaled_h);
ImageCopyResampled($scaled, $original, 0, 0, 0, 0, $scaled_w, $scaled_h, $original_w, $original_h);
/*
* We want the raw JPEG data from $scaled. Luckily, one can create a
* PelJpeg object from an image resource directly:
*/
$output_jpeg = new PelJpeg($scaled);
/* Retrieve the original Exif data in $jpeg (if any). */
$exif = $input_jpeg->getExif();
/* If no Exif data was present, then $exif is null. */
if ($exif != null) {
$output_jpeg->setExif($exif);
}
/* We can now save the scaled image. */
println('Writing file "%s".', $output);
$output_jpeg->saveFile($output);
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;
}
* to be big and uncompressed.
*/
ini_set('memory_limit', '32M');
/*
* The input file is now read into a PelDataWindow object. At this
* point we do not know if the file stores JPEG or TIFF data, so
* instead of using one of the loadFile methods on PelJpeg or PelTiff
* we store the data in a PelDataWindow.
*/
println('Reading file "%s".', $input);
$data = new PelDataWindow(file_get_contents($input));
/*
* The static isValid methods in PelJpeg and PelTiff will tell us in
* an efficient maner which kind of data we are dealing with.
*/
if (PelJpeg::isValid($data)) {
/*
* The data was recognized as JPEG data, so we create a new empty
* PelJpeg object which will hold it. When we want to save the
* image again, we need to know which object to same (using the
* getBytes method), so we store $jpeg as $file too.
*/
$jpeg = $file = new PelJpeg();
/*
* We then load the data from the PelDataWindow into our PelJpeg
* object. No copying of data will be done, the PelJpeg object will
* simply remember that it is to ask the PelDataWindow for data when
* required.
*/
$jpeg->load($data);
/*
public function testRead()
{
Pel::clearExceptions();
Pel::setStrictParsing(false);
$jpeg = new PelJpeg(dirname(__FILE__) . '/nikon-coolscan-iv.jpg');
$exif = $jpeg->getExif();
$this->assertInstanceOf('lsolesen\\pel\\PelExif', $exif);
$tiff = $exif->getTiff();
$this->assertInstanceOf('lsolesen\\pel\\PelTiff', $tiff);
/* The first IFD. */
$ifd0 = $tiff->getIfd();
$this->assertInstanceOf('lsolesen\\pel\\PelIfd', $ifd0);
/* Start of IDF $ifd0. */
$this->assertEquals(count($ifd0->getEntries()), 6);
$entry = $ifd0->getEntry(271);
// Make
$this->assertInstanceOf('lsolesen\\pel\\PelEntryAscii', $entry);
$this->assertEquals($entry->getValue(), 'Nikon');
$this->assertEquals($entry->getText(), 'Nikon');
$entry = $ifd0->getEntry(282);
// XResolution
$this->assertInstanceOf('lsolesen\\pel\\PelEntryRational', $entry);
$this->assertEquals($entry->getValue(), array(0 => 2000, 1 => 1));
$this->assertEquals($entry->getText(), '2000/1');
$entry = $ifd0->getEntry(283);
// YResolution
$this->assertInstanceOf('lsolesen\\pel\\PelEntryRational', $entry);
$this->assertEquals($entry->getValue(), array(0 => 2000, 1 => 1));
$this->assertEquals($entry->getText(), '2000/1');
$entry = $ifd0->getEntry(296);
// ResolutionUnit
$this->assertInstanceOf('lsolesen\\pel\\PelEntryShort', $entry);
$this->assertEquals($entry->getValue(), 2);
$this->assertEquals($entry->getText(), 'Inch');
$entry = $ifd0->getEntry(306);
// DateTime
$this->assertInstanceOf('lsolesen\\pel\\PelEntryTime', $entry);
$this->assertEquals($entry->getValue(), 1090023875);
$this->assertEquals($entry->getText(), '2004:07:17 00:24:35');
$entry = $ifd0->getEntry(531);
// YCbCrPositioning
$this->assertInstanceOf('lsolesen\\pel\\PelEntryShort', $entry);
$this->assertEquals($entry->getValue(), 1);
$this->assertEquals($entry->getText(), 'centered');
/* Sub IFDs of $ifd0. */
$this->assertEquals(count($ifd0->getSubIfds()), 2);
$ifd0_0 = $ifd0->getSubIfd(2);
// IFD Exif
$this->assertInstanceOf('lsolesen\\pel\\PelIfd', $ifd0_0);
/* Start of IDF $ifd0_0. */
$this->assertEquals(count($ifd0_0->getEntries()), 7);
$entry = $ifd0_0->getEntry(36864);
// ExifVersion
$this->assertInstanceOf('lsolesen\\pel\\PelEntryVersion', $entry);
$this->assertEquals($entry->getValue(), 2.1);
$this->assertEquals($entry->getText(), 'Exif Version 2.1');
$entry = $ifd0_0->getEntry(37121);
// ComponentsConfiguration
$this->assertInstanceOf('lsolesen\\pel\\PelEntryUndefined', $entry);
$this->assertEquals($entry->getValue(), "");
$this->assertEquals($entry->getText(), 'Y Cb Cr -');
$entry = $ifd0_0->getEntry(37500);
// MakerNote
$this->assertInstanceOf('lsolesen\\pel\\PelEntryUndefined', $entry);
$expected = "0100";
$this->assertEquals($entry->getValue(), $expected);
$this->assertEquals($entry->getText(), '32 bytes unknown MakerNote data');
$entry = $ifd0_0->getEntry(40960);
// FlashPixVersion
$this->assertInstanceOf('lsolesen\\pel\\PelEntryVersion', $entry);
$this->assertEquals($entry->getValue(), 1);
$this->assertEquals($entry->getText(), 'FlashPix Version 1.0');
$entry = $ifd0_0->getEntry(40961);
// ColorSpace
$this->assertInstanceOf('lsolesen\\pel\\PelEntryShort', $entry);
$this->assertEquals($entry->getValue(), 1);
$this->assertEquals($entry->getText(), 'sRGB');
$entry = $ifd0_0->getEntry(40962);
// PixelXDimension
$this->assertInstanceOf('lsolesen\\pel\\PelEntryLong', $entry);
$this->assertEquals($entry->getValue(), 960);
$this->assertEquals($entry->getText(), '960');
$entry = $ifd0_0->getEntry(40963);
// PixelYDimension
$this->assertInstanceOf('lsolesen\\pel\\PelEntryLong', $entry);
$this->assertEquals($entry->getValue(), 755);
$this->assertEquals($entry->getText(), '755');
/* Sub IFDs of $ifd0_0. */
$this->assertEquals(count($ifd0_0->getSubIfds()), 0);
$this->assertEquals($ifd0_0->getThumbnailData(), '');
/* Next IFD. */
$ifd0_1 = $ifd0_0->getNextIfd();
$this->assertNull($ifd0_1);
/* End of IFD $ifd0_0. */
$ifd0_1 = $ifd0->getSubIfd(3);
// IFD GPS
$this->assertInstanceOf('lsolesen\\pel\\PelIfd', $ifd0_1);
/* Start of IDF $ifd0_1. */
$this->assertEquals(count($ifd0_1->getEntries()), 0);
/* Sub IFDs of $ifd0_1. */
$this->assertEquals(count($ifd0_1->getSubIfds()), 0);
$this->assertEquals($ifd0_1->getThumbnailData(), '');
/* Next IFD. */
$ifd0_2 = $ifd0_1->getNextIfd();
$this->assertNull($ifd0_2);
/* End of IFD $ifd0_1. */
$this->assertEquals($ifd0->getThumbnailData(), '');
/* Next IFD. */
$ifd1 = $ifd0->getNextIfd();
$this->assertNull($ifd1);
/* End of IFD $ifd0. */
$this->assertTrue(count(Pel::getExceptions()) == 0);
}
/**
* 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;
}
/**
* Add GPS information to an image basic metadata.
* Any old Exif data
* is discarded.
*
* @param
* string the input filename.
*
* @param
* string the output filename. An updated copy of the input
* image is saved here.
*
* @param
* string image description.
*
* @param
* string user comment.
*
* @param
* string camera model.
*
* @param
* float longitude expressed as a fractional number of degrees,
* e.g. 12.345�. Negative values denotes degrees west of Greenwich.
*
* @param
* float latitude expressed as for longitude. Negative values
* denote degrees south of equator.
*
* @param
* float the altitude, negative values express an altitude
* below sea level.
*
* @param
* string the date and time.
*/
function addGpsInfo($input, $output, $description, $comment, $model, $longitude, $latitude, $altitude, $date_time)
{
/* Load the given image into a PelJpeg object */
$jpeg = new PelJpeg($input);
/*
* Create and add empty Exif data to the image (this throws away any
* old Exif data in the image).
*/
$exif = new PelExif();
$jpeg->setExif($exif);
/*
* Create and add TIFF data to the Exif data (Exif data is actually
* stored in a TIFF format).
*/
$tiff = new PelTiff();
$exif->setTiff($tiff);
/*
* Create first Image File Directory and associate it with the TIFF
* data.
*/
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
/*
* Create a sub-IFD for holding GPS information. GPS data must be
* below the first IFD.
*/
$gps_ifd = new PelIfd(PelIfd::GPS);
$ifd0->addSubIfd($gps_ifd);
/*
* The USER_COMMENT tag must be put in a Exif sub-IFD under the
* first IFD.
*/
$exif_ifd = new PelIfd(PelIfd::EXIF);
$exif_ifd->addEntry(new PelEntryUserComment($comment));
$ifd0->addSubIfd($exif_ifd);
$inter_ifd = new PelIfd(PelIfd::INTEROPERABILITY);
$ifd0->addSubIfd($inter_ifd);
$ifd0->addEntry(new PelEntryAscii(PelTag::MODEL, $model));
$ifd0->addEntry(new PelEntryAscii(PelTag::DATE_TIME, $date_time));
$ifd0->addEntry(new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, $description));
$gps_ifd->addEntry(new PelEntryByte(PelTag::GPS_VERSION_ID, 2, 2, 0, 0));
/*
* Use the convertDecimalToDMS function to convert the latitude from
* something like 12.34� to 12� 20' 42"
*/
list($hours, $minutes, $seconds) = convertDecimalToDMS($latitude);
/* We interpret a negative latitude as being south. */
$latitude_ref = $latitude < 0 ? 'S' : 'N';
$gps_ifd->addEntry(new PelEntryAscii(PelTag::GPS_LATITUDE_REF, $latitude_ref));
$gps_ifd->addEntry(new PelEntryRational(PelTag::GPS_LATITUDE, $hours, $minutes, $seconds));
/* The longitude works like the latitude. */
list($hours, $minutes, $seconds) = convertDecimalToDMS($longitude);
$longitude_ref = $longitude < 0 ? 'W' : 'E';
$gps_ifd->addEntry(new PelEntryAscii(PelTag::GPS_LONGITUDE_REF, $longitude_ref));
$gps_ifd->addEntry(new PelEntryRational(PelTag::GPS_LONGITUDE, $hours, $minutes, $seconds));
/*
* Add the altitude. The absolute value is stored here, the sign is
* stored in the GPS_ALTITUDE_REF tag below.
*/
$gps_ifd->addEntry(new PelEntryRational(PelTag::GPS_ALTITUDE, array(abs($altitude), 1)));
/*
* The reference is set to 1 (true) if the altitude is below sea
* level, or 0 (false) otherwise.
*/
$gps_ifd->addEntry(new PelEntryByte(PelTag::GPS_ALTITUDE_REF, (int) ($altitude < 0)));
/* Finally we store the data in the output file. */
file_put_contents($output, $jpeg->getBytes());
}
