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);
}
/**
* 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;
}
}
/* 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);