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();
217 // FIXME - implement horizantal bias for scaling as in followin GD functions
218 // to allow very tall images to be constrained only horizontally.
220 $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true);
221 } while ($this->image->nextImage());
223 // FIXME - also we need to copy the new dimensions to $this->height, $this->width as other functions
229 $width = $this->width;
230 $height = $this->height;
232 $dest_width = $dest_height = 0;
234 if((! $width)|| (! $height))
237 if($width > $max && $height > $max) {
239 // very tall image (greater than 16:9)
240 // constrain the width - let the height float.
242 if((($height * 9) / 16) > $width) {
244 $dest_height = intval(( $height * $max ) / $width);
247 // else constrain both dimensions
249 elseif($width > $height) {
251 $dest_height = intval(( $height * $max ) / $width);
254 $dest_width = intval(( $width * $max ) / $height);
259 if( $width > $max ) {
261 $dest_height = intval(( $height * $max ) / $width);
264 if( $height > $max ) {
266 // very tall image (greater than 16:9)
267 // but width is OK - don't do anything
269 if((($height * 9) / 16) > $width) {
270 $dest_width = $width;
271 $dest_height = $height;
274 $dest_width = intval(( $width * $max ) / $height);
279 $dest_width = $width;
280 $dest_height = $height;
286 $dest = imagecreatetruecolor( $dest_width, $dest_height );
287 imagealphablending($dest, false);
288 imagesavealpha($dest, true);
289 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
290 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
292 imagedestroy($this->image);
293 $this->image = $dest;
294 $this->width = imagesx($this->image);
295 $this->height = imagesy($this->image);
298 public function rotate($degrees) {
299 if(!$this->is_valid())
302 if($this->is_imagick()) {
303 $this->image->setFirstIterator();
305 $this->image->rotateImage(new ImagickPixel(), -$degrees); // ImageMagick rotates in the opposite direction of imagerotate()
306 } while ($this->image->nextImage());
310 $this->image = imagerotate($this->image,$degrees,0);
311 $this->width = imagesx($this->image);
312 $this->height = imagesy($this->image);
315 public function flip($horiz = true, $vert = false) {
316 if(!$this->is_valid())
319 if($this->is_imagick()) {
320 $this->image->setFirstIterator();
322 if($horiz) $this->image->flipImage();
323 if($vert) $this->image->flopImage();
324 } while ($this->image->nextImage());
328 $w = imagesx($this->image);
329 $h = imagesy($this->image);
330 $flipped = imagecreate($w, $h);
332 for ($x = 0; $x < $w; $x++) {
333 imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h);
337 for ($y = 0; $y < $h; $y++) {
338 imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1);
341 $this->image = $flipped;
344 public function orient($filename) {
345 // based off comment on http://php.net/manual/en/function.imagerotate.php
347 if(!$this->is_valid())
350 if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') )
353 $exif = @exif_read_data($filename);
358 $ort = $exif['Orientation'];
365 case 2: // horizontal flip
369 case 3: // 180 rotate left
373 case 4: // vertical flip
374 $this->flip(false, true);
377 case 5: // vertical flip + 90 rotate right
378 $this->flip(false, true);
382 case 6: // 90 rotate right
386 case 7: // horizontal flip + 90 rotate right
391 case 8: // 90 rotate left
399 public function scaleImageUp($min) {
400 if(!$this->is_valid())
403 if($this->is_imagick())
404 return $this->scaleImage($min);
406 $width = $this->width;
407 $height = $this->height;
409 $dest_width = $dest_height = 0;
411 if((! $width)|| (! $height))
414 if($width < $min && $height < $min) {
415 if($width > $height) {
417 $dest_height = intval(( $height * $min ) / $width);
420 $dest_width = intval(( $width * $min ) / $height);
425 if( $width < $min ) {
427 $dest_height = intval(( $height * $min ) / $width);
430 if( $height < $min ) {
431 $dest_width = intval(( $width * $min ) / $height);
435 $dest_width = $width;
436 $dest_height = $height;
442 $dest = imagecreatetruecolor( $dest_width, $dest_height );
443 imagealphablending($dest, false);
444 imagesavealpha($dest, true);
445 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
446 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
448 imagedestroy($this->image);
449 $this->image = $dest;
450 $this->width = imagesx($this->image);
451 $this->height = imagesy($this->image);
456 public function scaleImageSquare($dim) {
457 if(!$this->is_valid())
460 if($this->is_imagick()) {
461 $this->image->setFirstIterator();
463 $this->image->resizeImage($dim, $dim, imagick::FILTER_LANCZOS, 1, false);
464 } while ($this->image->nextImage());
468 $dest = imagecreatetruecolor( $dim, $dim );
469 imagealphablending($dest, false);
470 imagesavealpha($dest, true);
471 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
472 imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height);
474 imagedestroy($this->image);
475 $this->image = $dest;
476 $this->width = imagesx($this->image);
477 $this->height = imagesy($this->image);
481 public function cropImage($max,$x,$y,$w,$h) {
482 if(!$this->is_valid())
485 if($this->is_imagick()) {
486 $this->image->setFirstIterator();
488 $this->image->cropImage($w, $h, $x, $y);
490 * We need to remove the canva,
491 * or the image is not resized to the crop:
492 * http://php.net/manual/en/imagick.cropimage.php#97232
494 $this->image->setImagePage(0, 0, 0, 0);
495 } while ($this->image->nextImage());
496 return $this->scaleImage($max);
499 $dest = imagecreatetruecolor( $max, $max );
500 imagealphablending($dest, false);
501 imagesavealpha($dest, true);
502 if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
503 imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
505 imagedestroy($this->image);
506 $this->image = $dest;
507 $this->width = imagesx($this->image);
508 $this->height = imagesy($this->image);
511 public function saveImage($path) {
512 if(!$this->is_valid())
515 $string = $this->imageString();
516 file_put_contents($path, $string);
519 public function imageString() {
520 if(!$this->is_valid())
523 if($this->is_imagick()) {
525 $this->image = $this->image->deconstructImages();
526 $string = $this->image->getImagesBlob();
534 switch($this->getType()){
536 $quality = get_config('system','png_quality');
537 if((! $quality) || ($quality > 9))
538 $quality = PNG_QUALITY;
539 imagepng($this->image,NULL, $quality);
542 $quality = get_config('system','jpeg_quality');
543 if((! $quality) || ($quality > 100))
544 $quality = JPEG_QUALITY;
545 imagejpeg($this->image,NULL,$quality);
547 $string = ob_get_contents();
555 public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') {
557 $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1",
561 $guid = $r[0]['guid'];
565 $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1",
572 $r = q("UPDATE `photo`
576 `resource-id` = '%s',
591 where id = %d limit 1",
597 dbesc(datetime_convert()),
598 dbesc(datetime_convert()),
599 dbesc(basename($filename)),
600 dbesc($this->getType()),
602 intval($this->getHeight()),
603 intval($this->getWidth()),
604 dbesc($this->imageString()),
615 $r = q("INSERT INTO `photo`
616 ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
617 VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
622 dbesc(datetime_convert()),
623 dbesc(datetime_convert()),
624 dbesc(basename($filename)),
625 dbesc($this->getType()),
627 intval($this->getHeight()),
628 intval($this->getWidth()),
629 dbesc($this->imageString()),
644 * Guess image mimetype from filename or from Content-Type header
646 * @arg $filename string Image filename
647 * @arg $fromcurl boolean Check Content-Type header from curl request
649 function guess_image_type($filename, $fromcurl=false) {
650 logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG);
655 $h = explode("\n",$a->get_curl_headers());
657 list($k,$v) = array_map("trim", explode(":", trim($l), 2));
660 if (array_key_exists('Content-Type', $headers))
661 $type = $headers['Content-Type'];
664 // Guessing from extension? Isn't that... dangerous?
665 if(class_exists('Imagick')) {
667 * Well, this not much better,
668 * but at least it comes from the data inside the image,
669 * we won't be tricked by a manipulated extension
671 $image = new Imagick($filename);
672 $type = $image->getImageMimeType();
674 $ext = pathinfo($filename, PATHINFO_EXTENSION);
675 $types = Photo::supportedTypes();
676 $type = "image/jpeg";
677 foreach ($types as $m=>$e){
678 if ($ext==$e) $type = $m;
682 logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG);
687 function import_profile_photo($photo,$uid,$cid) {
691 $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1",
695 if(count($r) && strlen($r[0]['resource-id'])) {
696 $hash = $r[0]['resource-id'];
699 $hash = photo_new_resource();
702 $photo_failure = false;
704 $filename = basename($photo);
705 $img_str = fetch_url($photo,true);
707 $type = guess_image_type($photo,true);
708 $img = new Photo($img_str, $type);
709 if($img->is_valid()) {
711 $img->scaleImageSquare(175);
713 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
716 $photo_failure = true;
718 $img->scaleImage(80);
720 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
723 $photo_failure = true;
725 $img->scaleImage(48);
727 $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
730 $photo_failure = true;
732 $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt();
733 $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt();
734 $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt();
737 $photo_failure = true;
740 $photo = $a->get_baseurl() . '/images/person-175.jpg';
741 $thumb = $a->get_baseurl() . '/images/person-80.jpg';
742 $micro = $a->get_baseurl() . '/images/person-48.jpg';
745 return(array($photo,$thumb,$micro));