function testWriteRead()
{
Pel::setStrictParsing(true);
$ifd = new PelIfd(PelIfd::IFD0);
$this->assertTrue($ifd->isLastIfd());
foreach ($this->entries as $entry) {
$ifd->addEntry($entry);
}
$tiff = new PelTiff();
$this->assertNull($tiff->getIfd());
$tiff->setIfd($ifd);
$this->assertNotNull($tiff->getIfd());
$exif = new PelExif();
$this->assertNull($exif->getTiff());
$exif->setTiff($tiff);
$this->assertNotNull($exif->getTiff());
$jpeg = new PelJpeg(dirname(__FILE__) . '/no-exif.jpg');
$this->assertNull($jpeg->getExif());
$jpeg->setExif($exif);
$this->assertNotNull($jpeg->getExif());
$jpeg->saveFile('test-output.jpg');
$this->assertTrue(file_exists('test-output.jpg'));
$this->assertTrue(filesize('test-output.jpg') > 0);
/* Now read the file and see if the entries are still there. */
$jpeg = new PelJpeg('test-output.jpg');
$exif = $jpeg->getExif();
$this->assertIsA($exif, 'PelExif');
$tiff = $exif->getTiff();
$this->assertIsA($tiff, 'PelTiff');
$ifd = $tiff->getIfd();
$this->assertIsA($ifd, 'PelIfd');
$this->assertEqual($ifd->getType(), PelIfd::IFD0);
$this->assertTrue($ifd->isLastIfd());
foreach ($this->entries as $entry) {
$this->assertEqual($ifd->getEntry($entry->getTag())->getValue(), $entry->getValue());
}
unlink('test-output.jpg');
}
/**
* Generuje miniaturę i zapisuje do exifa
* @param <type> $fullpath
*/
public function generujMiniature($fullpath)
{
// include_once('C:\xampp\php\PEAR\PelJpeg.php');
// include_once('C:\xampp\php\PEAR\PelExif.php');
// include_once('C:\xampp\php\PEAR\PelIfd.php');
$jpeg = new PelJpeg($fullpath);
$exif = $jpeg->getExif();
//Jeżeli zdjęcie nie posiada exifa
if (!$exif) {
//Utworzenie kontera exif
$pelexif = new PelExif();
//Dodanie obiektu PelTiff i PelIfd
$tiff = new PelTiff();
$ifd0 = new PelIfd(PelIfd::IFD0);
$tiff->setIfd($ifd0);
$pelexif->setTiff($tiff);
//Dodanie obiektów do zdjęcia
$jpeg->setExif($pelexif);
}
$exif = $jpeg->getExif();
$tiff = $exif->getTiff();
$ifd0 = $tiff->getIfd();
$ifd1 = $ifd0->getNextIfd();
//tworzenie miniatury jeżli nie istnieje (nie ma IFD1)
if (!$ifd1) {
$ifd1 = new PelIfd(1);
//point ifd0 to the new ifd1 (or else ifd1 will not be read)
$ifd0->setNextIfd($ifd1);
//create image resource of original
$original = ImageCreateFromString($jpeg->getBytes());
$orig_w = imagesx($original);
$orig_h = imagesy($original);
$wmax = 160;
$hmax = 120;
if ($orig_w > $wmax || $orig_h > $hmax) {
$thumb_w = $wmax;
$thumb_h = $hmax;
if ($thumb_w / $orig_w * $orig_h > $thumb_h) {
$thumb_w = round($thumb_h * $orig_w / $orig_h);
} else {
$thumb_h = round($thumb_w * $orig_h / $orig_w);
}
} else {
# only set the thumb's size if the original is larger than 'wmax'x'hmax'
$thumb_w = $orig_w;
$thumb_h = $orig_h;
}
# create image resource with thumbnail sizing
$thumb = imagecreatetruecolor($thumb_w, $thumb_h);
## Resize original and copy to the blank thumb resource
imagecopyresampled($thumb, $original, 0, 0, 0, 0, $thumb_w, $thumb_h, $orig_w, $orig_h);
# start writing output to buffer
ob_start();
# outputs thumb resource contents to buffer
ImageJpeg($thumb);
# create PelDataWindow from buffer thumb contents (and end output to buffer)
$window = new PelDataWindow(ob_get_clean());
if ($window) {
$ifd1->setThumbnail($window);
# set window data as thumbnail in ifd1
$outpath = $fullpath;
# overwrite original jpg file
file_put_contents($outpath, $jpeg->getBytes());
# write everything to output filename
}
}
}
