3 if(! class_exists("Photo")) {
9 * Put back gd stuff, not everybody have Imagick
19 * supported mimetypes and corresponding file extensions
21 static function supportedTypes() {
22 if(class_exists('Imagick')) {
24 * Imagick::queryFormats won't help us a lot there...
25 * At least, not yet, other parts of friendica uses this array
28 'image/jpeg' => 'jpg',
34 $t['image/jpeg'] ='jpg';
35 if (imagetypes() & IMG_PNG) $t['image/png'] = 'png';
41 public function __construct($data, $type=null) {
42 $this->imagick = class_exists('Imagick');
43 $this->types = $this->supportedTypes();
44 if (!array_key_exists($type,$this->types)){
49 if($this->is_imagick() && $this->load_data($data)) {
52 // Failed to load with Imagick, fallback
53 $this->imagick = false;
55 return $this->load_data($data);
58 public function __destruct() {
60 if($this->is_imagick()) {
61 $this->image->clear();
62 $this->image->destroy();
65 imagedestroy($this->image);
69 public function is_imagick() {
70 return $this->imagick;
74 * Maps Mime types to Imagick formats
76 public function get_FormatsMap() {
78 'image/jpeg' => 'JPG',
85 private function load_data($data) {
86 if($this->is_imagick()) {
87 $this->image = new Imagick();
89 $this->image->readImageBlob($data);
91 catch (Exception $e) {
92 // Imagick couldn't use the data
97 * Setup the image to the format it will be saved to
99 $map = $this->get_FormatsMap();
100 $format = $map[$type];
101 $this->image->setFormat($format);
103 // Always coalesce, if it is not a multi-frame image it won't hurt anyway
104 $this->image = $this->image->coalesceImages();
107 * setup the compression here, so we'll do it only once
109 switch($this->getType()){
111 $quality = get_config('system','png_quality');
112 if((! $quality) || ($quality > 9))
113 $quality = PNG_QUALITY;
115 * From http://www.imagemagick.org/script/command-line-options.php#quality:
117 * 'For the MNG and PNG image formats, the quality value sets
118 * the zlib compression level (quality / 10) and filter-type (quality % 10).
119 * The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
120 * unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
122 $quality = $quality * 10;
123 $this->image->setCompressionQuality($quality);
126 $quality = get_config('system','jpeg_quality');
127 if((! $quality) || ($quality > 100))
128 $quality = JPEG_QUALITY;
129 $this->image->setCompressionQuality($quality);
132 $this->width = $this->image->getImageWidth();
133 $this->height = $this->image->getImageHeight();
139 $this->valid = false;
140 $this->image = @imagecreatefromstring($data);
141 if($this->image !== FALSE) {
142 $this->width = imagesx($this->image);
143 $this->height = imagesy($this->image);
145 imagealphablending($this->image, false);
146 imagesavealpha($this->image, true);
154 public function is_valid() {
155 if($this->is_imagick())
156 return ($this->image !== FALSE);
160 public function getWidth() {
161 if(!$this->is_valid())
164 if($this->is_imagick())
165 return $this->image->getImageWidth();
169 public function getHeight() {
170 if(!$this->is_valid())
173 if($this->is_imagick())
174 return $this->image->getImageHeight();
175 return $this->height;
178 public function getImage() {
179 if(!$this->is_valid())
182 if($this->is_imagick()) {
184 $this->image = $this->image->deconstructImages();
190 public function getType() {
191 if(!$this->is_valid())
197 public function getExt() {
198 if(!$this->is_valid())
201 return $this->types[$this->getType()];
204 public function scaleImage($max) {
205 if(!$this->is_valid())
208 if($this->is_imagick()) {
210 * If it is not animated, there will be only one iteration here,
211 * so don't bother checking
213 // Don't forget to go back to the first frame
214 $this->image->setFirstIterator();
216 $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true);
217 } while ($this->image->nextImage());
221 $width = $this->width;
222 $height = $this->height;
224 $dest_width = $dest_height = 0;
226 if((! $width)|| (! $height))
229 if($width > $max && $height > $max) {
231 // very tall image (greater than 16:9)
232 // constrain the width - let the height float.
234 if((($height * 9) / 16) > $width) {
236 $dest_height = intval(( $height * $max ) / $width);
239 // else constrain both dimensions
241 elseif($width > $height) {
243 $dest_height = intval(( $height * $max ) / $width);
246 $dest_width = intval(( $width * $max ) / $height);
251 if( $width > $max ) {
253 $dest_height = intval(( $height * $max ) / $width);
256 if( $height > $max ) {
258 // very tall image (greater than 16:9)
259 // constrain the width - let the height float.
261 if((($height * 9) / 16) > $width) {
263 $dest_height = intval(( $height * $max ) / $width);
266 $dest_width = intval(( $width * $max ) / $height);
271 $dest_width = $width;
272 $dest_height = $height;
278 $dest = imagecreatetruecolor( $dest_width, $dest_height );
279 imagealphablending($dest, false);
280 imagesavealpha($dest, true);
281 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
282 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
284 imagedestroy($this->image);
285 $this->image = $dest;
286 $this->width = imagesx($this->image);
287 $this->height = imagesy($this->image);
290 public function rotate($degrees) {
291 if(!$this->is_valid())
294 if($this->is_imagick()) {
295 $this->image->setFirstIterator();
297 $this->image->rotateImage(new ImagickPixel(), -$degrees); // ImageMagick rotates in the opposite direction of imagerotate()
298 } while ($this->image->nextImage());
302 $this->image = imagerotate($this->image,$degrees,0);
303 $this->width = imagesx($this->image);
304 $this->height = imagesy($this->image);
307 public function flip($horiz = true, $vert = false) {
308 if(!$this->is_valid())
311 if($this->is_imagick()) {
312 $this->image->setFirstIterator();
314 if($horiz) $this->image->flipImage();
315 if($vert) $this->image->flopImage();
316 } while ($this->image->nextImage());
320 $w = imagesx($this->image);
321 $h = imagesy($this->image);
322 $flipped = imagecreate($w, $h);
324 for ($x = 0; $x < $w; $x++) {
325 imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h);
329 for ($y = 0; $y < $h; $y++) {
330 imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1);
333 $this->image = $flipped;
336 public function orient($filename) {
337 // based off comment on http://php.net/manual/en/function.imagerotate.php
339 if(!$this->is_valid())
342 if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') )
345 $exif = @exif_read_data($filename);
350 $ort = $exif['Orientation'];
357 case 2: // horizontal flip
361 case 3: // 180 rotate left
365 case 4: // vertical flip
366 $this->flip(false, true);
369 case 5: // vertical flip + 90 rotate right
370 $this->flip(false, true);
374 case 6: // 90 rotate right
378 case 7: // horizontal flip + 90 rotate right
383 case 8: // 90 rotate left
391 public function scaleImageUp($min) {
392 if(!$this->is_valid())
395 if($this->is_imagick())
396 return $this->scaleImage($min);
398 $width = $this->width;
399 $height = $this->height;
401 $dest_width = $dest_height = 0;
403 if((! $width)|| (! $height))
406 if($width < $min && $height < $min) {
407 if($width > $height) {
409 $dest_height = intval(( $height * $min ) / $width);
412 $dest_width = intval(( $width * $min ) / $height);
417 if( $width < $min ) {
419 $dest_height = intval(( $height * $min ) / $width);
422 if( $height < $min ) {
423 $dest_width = intval(( $width * $min ) / $height);
427 $dest_width = $width;
428 $dest_height = $height;
434 $dest = imagecreatetruecolor( $dest_width, $dest_height );
435 imagealphablending($dest, false);
436 imagesavealpha($dest, true);
437 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
438 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
440 imagedestroy($this->image);
441 $this->image = $dest;
442 $this->width = imagesx($this->image);
443 $this->height = imagesy($this->image);
448 public function scaleImageSquare($dim) {
449 if(!$this->is_valid())
452 if($this->is_imagick()) {
453 $this->image->setFirstIterator();
455 $this->image->resizeImage($dim, $dim, imagick::FILTER_LANCZOS, 1, false);
456 } while ($this->image->nextImage());
460 $dest = imagecreatetruecolor( $dim, $dim );
461 imagealphablending($dest, false);
462 imagesavealpha($dest, true);
463 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
464 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
466 imagedestroy($this->image);
467 $this->image = $dest;
468 $this->width = imagesx($this->image);
469 $this->height = imagesy($this->image);
473 public function cropImage($max,$x,$y,$w,$h) {
474 if(!$this->is_valid())
477 if($this->is_imagick()) {
478 $this->image->setFirstIterator();
480 $this->image->cropImage($w, $h, $x, $y);
482 * We need to remove the canva,
483 * or the image is not resized to the crop:
484 * http://php.net/manual/en/imagick.cropimage.php#97232
486 $this->image->setImagePage(0, 0, 0, 0);
487 } while ($this->image->nextImage());
488 return $this->scaleImage($max);
491 $dest = imagecreatetruecolor( $max, $max );
492 imagealphablending($dest, false);
493 imagesavealpha($dest, true);
494 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
495 imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
497 imagedestroy($this->image);
498 $this->image = $dest;
499 $this->width = imagesx($this->image);
500 $this->height = imagesy($this->image);
503 public function saveImage($path) {
504 if(!$this->is_valid())
507 $string = $this->imageString();
508 file_put_contents($path, $string);
511 public function imageString() {
512 if(!$this->is_valid())
515 if($this->is_imagick()) {
517 $this->image = $this->image->deconstructImages();
518 $string = $this->image->getImagesBlob();
526 switch($this->getType()){
528 $quality = get_config('system','png_quality');
529 if((! $quality) || ($quality > 9))
530 $quality = PNG_QUALITY;
531 imagepng($this->image,NULL, $quality);
534 $quality = get_config('system','jpeg_quality');
535 if((! $quality) || ($quality > 100))
536 $quality = JPEG_QUALITY;
537 imagejpeg($this->image,NULL,$quality);
539 $string = ob_get_contents();
547 public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') {
549 $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1",
553 $guid = $r[0]['guid'];
557 $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1",
564 $r = q("UPDATE `photo`
568 `resource-id` = '%s',
583 where id = %d limit 1",
589 dbesc(datetime_convert()),
590 dbesc(datetime_convert()),
591 dbesc(basename($filename)),
592 dbesc($this->getType()),
594 intval($this->getHeight()),
595 intval($this->getWidth()),
596 dbesc($this->imageString()),
607 $r = q("INSERT INTO `photo`
608 ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
609 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
614 dbesc(datetime_convert()),
615 dbesc(datetime_convert()),
616 dbesc(basename($filename)),
617 dbesc($this->getType()),
619 intval($this->getHeight()),
620 intval($this->getWidth()),
621 dbesc($this->imageString()),
636 * Guess image mimetype from filename or from Content-Type header
638 * @arg $filename string Image filename
639 * @arg $fromcurl boolean Check Content-Type header from curl request
641 function guess_image_type($filename, $fromcurl=false) {
642 logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
647 $h = explode("\n",$a->get_curl_headers());
649 list($k,$v) = array_map("trim", explode(":", trim($l), 2));
652 if (array_key_exists('Content-Type', $headers))
653 $type = $headers['Content-Type'];
656 // Guessing from extension? Isn't that... dangerous?
657 if(class_exists('Imagick')) {
659 * Well, this not much better,
660 * but at least it comes from the data inside the image,
661 * we won't be tricked by a manipulated extension
663 $image = new Imagick($filename);
664 $type = $image->getImageMimeType();
666 $ext = pathinfo($filename, PATHINFO_EXTENSION);
667 $types = Photo::supportedTypes();
668 $type = "image/jpeg";
669 foreach ($types as $m=>$e){
670 if ($ext==$e) $type = $m;
674 logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG);
679 function import_profile_photo($photo,$uid,$cid) {
683 $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1",
687 if(count($r) && strlen($r[0]['resource-id'])) {
688 $hash = $r[0]['resource-id'];
691 $hash = photo_new_resource();
694 $photo_failure = false;
696 $filename = basename($photo);
697 $img_str = fetch_url($photo,true);
699 $type = guess_image_type($photo,true);
700 $img = new Photo($img_str, $type);
701 if($img->is_valid()) {
703 $img->scaleImageSquare(175);
705 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
708 $photo_failure = true;
710 $img->scaleImage(80);
712 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
715 $photo_failure = true;
717 $img->scaleImage(48);
719 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
722 $photo_failure = true;
724 $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt();
725 $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt();
726 $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt();
729 $photo_failure = true;
732 $photo = $a->get_baseurl() . '/images/person-175.jpg';
733 $thumb = $a->get_baseurl() . '/images/person-80.jpg';
734 $micro = $a->get_baseurl() . '/images/person-48.jpg';
737 return(array($photo,$thumb,$micro));