Merge https://github.com/friendica/friendica into pull
This commit is contained in:
friendica
commit
96c47a6577
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@ -4,7 +4,6 @@ if(! class_exists("Photo")) {
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class Photo {
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private $image;
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private $ext;
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/**
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* Put back gd stuff, not everybody have Imagick
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@ -41,22 +40,53 @@ class Photo {
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public function __construct($data, $type=null) {
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$this->imagick = class_exists('Imagick');
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$this->types = $this->supportedTypes();
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if (!array_key_exists($type,$this->types)){
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$type='image/jpeg';
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}
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$this->type = $type;
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if($this->is_imagick()) {
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$this->image = new Imagick();
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$this->image->readImageBlob($data);
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// If it is a gif, it may be animated, get it ready for any future operations
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if($this->image->getFormat() !== "GIF") $this->image = $this->image->coalesceImages();
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/**
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* Setup the image to the format it will be saved to
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*/
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$map = $this->get_FormatsMap();
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$format = $map[$type];
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$this->image->setFormat($format);
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$this->ext = strtolower($this->image->getImageFormat());
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} else {
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$this->types = $this->supportedTypes();
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if (!array_key_exists($type,$this->types)){
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$type='image/jpeg';
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// Always coalesce, if it is not a multi-frame image it won't hurt anyway
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$this->image = $this->image->coalesceImages();
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/**
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* setup the compression here, so we'll do it only once
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*/
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switch($this->getType()){
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case "image/png":
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$quality = get_config('system','png_quality');
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if((! $quality) || ($quality > 9))
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$quality = PNG_QUALITY;
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/**
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* From http://www.imagemagick.org/script/command-line-options.php#quality:
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*
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* 'For the MNG and PNG image formats, the quality value sets
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* the zlib compression level (quality / 10) and filter-type (quality % 10).
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* The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
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* unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
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*/
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$quality = $quality * 10;
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$this->image->setCompressionQuality($quality);
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break;
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case "image/jpeg":
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$quality = get_config('system','jpeg_quality');
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if((! $quality) || ($quality > 100))
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$quality = JPEG_QUALITY;
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$this->image->setCompressionQuality($quality);
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}
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} else {
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$this->valid = false;
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$this->type = $type;
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$this->image = @imagecreatefromstring($data);
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if($this->image !== FALSE) {
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$this->width = imagesx($this->image);
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@ -83,6 +113,18 @@ class Photo {
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return $this->imagick;
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}
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/**
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* Maps Mime types to Imagick formats
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*/
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public function get_FormatsMap() {
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$m = array(
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'image/jpeg' => 'JPG',
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'image/png' => 'PNG',
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'image/gif' => 'GIF'
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);
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return $m;
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}
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public function is_valid() {
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if($this->is_imagick())
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return ($this->image !== FALSE);
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@ -111,8 +153,8 @@ class Photo {
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if(!$this->is_valid())
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return FALSE;
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/* Clean it */
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if($this->is_imagick()) {
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/* Clean it */
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$this->image = $this->image->deconstructImages();
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return $this->image;
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}
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@ -123,10 +165,6 @@ class Photo {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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// This should do the trick (see supportedTypes above)
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return 'image/'. $this->getExt();
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}
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return $this->type;
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}
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@ -134,9 +172,7 @@ class Photo {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick())
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return $this->ext;
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return $this->types[$this->type];
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return $this->types[$this->getType()];
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}
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public function scaleImage($max) {
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@ -148,7 +184,7 @@ class Photo {
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* If it is not animated, there will be only one iteration here,
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* so don't bother checking
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*/
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// Don't forget to go back to the first frame for any further operation
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// Don't forget to go back to the first frame
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$this->image->setFirstIterator();
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do {
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$this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true);
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@ -365,7 +401,7 @@ class Photo {
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if($this->is_imagick()) {
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$this->image->setFirstIterator();
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do {
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$this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, false);
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$this->image->resizeImage($dim, $dim, imagick::FILTER_LANCZOS, 1, false);
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} while ($this->image->nextImage());
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return;
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}
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@ -425,59 +461,32 @@ class Photo {
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if(!$this->is_valid())
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return FALSE;
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if($this->is_imagick()) {
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/* Clean it */
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$this->image = $this->image->deconstructImages();
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$string = $this->image->getImagesBlob();
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return $string;
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}
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$quality = FALSE;
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/**
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* Hmmm, for Imagick
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* we should do the conversion/compression at the initialisation i think
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* This method may be called several times,
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* and there is no need to do that more than once
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*/
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if(!$this->is_imagick()) ob_start();
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ob_start();
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switch($this->getType()){
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case "image/png":
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$quality = get_config('system','png_quality');
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if((! $quality) || ($quality > 9))
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$quality = PNG_QUALITY;
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if($this->is_imagick()) {
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/**
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* From http://www.imagemagick.org/script/command-line-options.php#quality:
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*
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* 'For the MNG and PNG image formats, the quality value sets
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* the zlib compression level (quality / 10) and filter-type (quality % 10).
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* The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
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* unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
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*/
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$quality = $quality * 10;
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} else imagepng($this->image,NULL, $quality);
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imagepng($this->image,NULL, $quality);
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break;
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case "image/gif":
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// We change nothing here, do we?
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break;
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default:
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// Convert to jpeg by default
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case "image/jpeg":
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$quality = get_config('system','jpeg_quality');
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if((! $quality) || ($quality > 100))
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$quality = JPEG_QUALITY;
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if($this->is_imagick())
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$this->image->setImageFormat('jpeg');
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else imagejpeg($this->image,NULL,$quality);
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imagejpeg($this->image,NULL,$quality);
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}
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if($this->is_imagick()) {
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if($quality !== FALSE) {
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// Do we need to iterate for animations?
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$this->image->setImageCompressionQuality($quality);
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$this->image->stripImage();
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}
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$string = $this->image->getImagesBlob();
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} else {
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$string = ob_get_contents();
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ob_end_clean();
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}
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return $string;
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}
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@ -594,14 +603,14 @@ function guess_image_type($filename, $fromcurl=false) {
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}
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if (is_null($type)){
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// Guessing from extension? Isn't that... dangerous?
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if($this->is_imagick()) {
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if(class_exists('Imagick')) {
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/**
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* Well, this not much better,
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* but at least it comes from the data inside the image,
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* we won't be tricked by a manipulated extension
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*/
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$image = new Imagick($filename);
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$type = 'image/'. strtolower($image->getImageFormat());
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$type = $image->getImageMimeType();
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} else {
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$ext = pathinfo($filename, PATHINFO_EXTENSION);
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$types = Photo::supportedTypes();
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@ -636,11 +645,7 @@ function import_profile_photo($photo,$uid,$cid) {
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$filename = basename($photo);
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$img_str = fetch_url($photo,true);
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if($this->is_imagick()) $type = null;
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else {
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// guess mimetype from headers or filename
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$type = guess_image_type($photo,true);
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}
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$img = new Photo($img_str, $type);
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if($img->is_valid()) {
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