From fb2f4b6b350997cc63cc0fd5e4bb357249ced0d3 Mon Sep 17 00:00:00 2001 From: Domovoy Date: Sat, 21 Jul 2012 17:17:19 +0200 Subject: [PATCH 1/2] Photo now uses Imagick instead of gd. --- include/Photo.php | 793 ++++++++++++++++++++++------------------------ 1 file changed, 375 insertions(+), 418 deletions(-) diff --git a/include/Photo.php b/include/Photo.php index ba4241a7b8..18e8e6e9a1 100644 --- a/include/Photo.php +++ b/include/Photo.php @@ -3,495 +3,452 @@ if(! class_exists("Photo")) { class Photo { - private $image; - private $width; - private $height; - private $valid; - private $type; - private $types; + private $image; + private $ext; - /** - * supported mimetypes and corresponding file extensions - */ - static function supportedTypes() { - $t = array(); - $t['image/jpeg'] ='jpg'; - if (imagetypes() & IMG_PNG) $t['image/png'] = 'png'; - return $t; - } + /** + * supported mimetypes and corresponding file extensions + */ + static function supportedTypes() { + /** + * Imagick::queryFormats won't help us a lot there... + * At least, not yet, other parts of friendica uses this array + */ + $t = array( + 'image/jpeg' => 'jpg', + 'image/png' => 'png', + 'image/gif' => 'gif' + ); + return $t; + } - public function __construct($data, $type="image/jpeg") { + public function __construct($data, $type=null) { + $this->image = new Imagick(); + $this->image->readImageBlob($data); - $this->types = $this->supportedTypes(); - if (!array_key_exists($type,$this->types)){ - $type='image/jpeg'; - } - $this->valid = false; - $this->type = $type; - $this->image = @imagecreatefromstring($data); - if($this->image !== FALSE) { - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); - $this->valid = true; - imagealphablending($this->image, false); - imagesavealpha($this->image, true); - } - } + // If it is a gif, it may be animated, get it ready for any future operations + if($this->image->getFormat() !== "GIF") $this->image = $this->image->coalesceImages(); - public function __destruct() { - if($this->image) - imagedestroy($this->image); - } + $this->ext = strtolower($this->image->getImageFormat()); + } - public function is_valid() { - return $this->valid; - } + public function __destruct() { + if($this->image) { + $this->image->clear(); + $this->image->destroy(); + } + } - public function getWidth() { - return $this->width; - } + public function is_valid() { + return ($this->image !== FALSE); + } - public function getHeight() { - return $this->height; - } + public function getWidth() { + if(!$this->is_valid()) + return FALSE; - public function getImage() { - return $this->image; - } - - public function getType() { - return $this->type; - } - public function getExt() { - return $this->types[$this->type]; - } + return $this->image->getImageWidth(); + } - public function scaleImage($max) { + public function getHeight() { + if(!$this->is_valid()) + return FALSE; - $width = $this->width; - $height = $this->height; + return $this->image->getImageHeight(); + } - $dest_width = $dest_height = 0; + public function getImage() { + if(!$this->is_valid()) + return FALSE; - if((! $width)|| (! $height)) - return FALSE; + /* Clean it */ + $this->image = $this->image->deconstructImages(); + return $this->image; + } - if($width > $max && $height > $max) { - if($width > $height) { - $dest_width = $max; - $dest_height = intval(( $height * $max ) / $width); - } - else { - $dest_width = intval(( $width * $max ) / $height); - $dest_height = $max; - } - } - else { - if( $width > $max ) { - $dest_width = $max; - $dest_height = intval(( $height * $max ) / $width); - } - else { - if( $height > $max ) { - $dest_width = intval(( $width * $max ) / $height); - $dest_height = $max; - } - else { - $dest_width = $width; - $dest_height = $height; - } - } - } + public function getType() { + if(!$this->is_valid()) + return FALSE; + // This should do the trick (see supportedTypes above) + return 'image/'. $this->getExt(); + } - $dest = imagecreatetruecolor( $dest_width, $dest_height ); - imagealphablending($dest, false); - imagesavealpha($dest, true); - if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha - imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); - if($this->image) - imagedestroy($this->image); - $this->image = $dest; - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); + public function getExt() { + if(!$this->is_valid()) + return FALSE; - } + return $this->ext; + } - public function rotate($degrees) { - $this->image = imagerotate($this->image,$degrees,0); - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); - } + public function scaleImage($max) { + if(!$this->is_valid()) + return FALSE; - public function flip($horiz = true, $vert = false) { - $w = imagesx($this->image); - $h = imagesy($this->image); - $flipped = imagecreate($w, $h); - if($horiz) { - for ($x = 0; $x < $w; $x++) { - imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h); - } - } - if($vert) { - for ($y = 0; $y < $h; $y++) { - imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1); - } - } - $this->image = $flipped; - } + /** + * If it is not animated, there will be only one iteration here, + * so don't bother checking + */ + // Don't forget to go back to the first frame for any further operation + $this->image->setFirstIterator(); + do { + $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true); + } while ($this->image->nextImage()); + } - public function orient($filename) { - // based off comment on http://php.net/manual/en/function.imagerotate.php + public function rotate($degrees) { + if(!$this->is_valid()) + return FALSE; - if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') ) - return; + $this->image->setFirstIterator(); + do { + $this->image->rotateImage(new ImagickPixel(), $degrees); + } while ($this->image->nextImage()); + } - $exif = exif_read_data($filename); - $ort = $exif['Orientation']; + public function flip($horiz = true, $vert = false) { + if(!$this->is_valid()) + return FALSE; - switch($ort) - { - case 1: // nothing - break; + $this->image->setFirstIterator(); + do { + if($horiz) $this->image->flipImage(); + if($vert) $this->image->flopImage(); + } while ($this->image->nextImage()); + } - case 2: // horizontal flip - $this->flip(); - break; - - case 3: // 180 rotate left - $this->rotate(180); - break; - - case 4: // vertical flip - $this->flip(false, true); - break; - - case 5: // vertical flip + 90 rotate right - $this->flip(false, true); + public function orient($filename) { + // based off comment on http://php.net/manual/en/function.imagerotate.php + + if(!$this->is_valid()) + return FALSE; + + if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') ) + return; + + $exif = exif_read_data($filename); + $ort = $exif['Orientation']; + + switch($ort) + { + case 1: // nothing + break; + + case 2: // horizontal flip + $this->flip(); + break; + + case 3: // 180 rotate left + $this->rotate(180); + break; + + case 4: // vertical flip + $this->flip(false, true); + break; + + case 5: // vertical flip + 90 rotate right + $this->flip(false, true); $this->rotate(-90); - break; - - case 6: // 90 rotate right - $this->rotate(-90); - break; - - case 7: // horizontal flip + 90 rotate right - $this->flip(); - $this->rotate(-90); - break; - - case 8: // 90 rotate left - $this->rotate(90); - break; - } - } + break; + + case 6: // 90 rotate right + $this->rotate(-90); + break; + + case 7: // horizontal flip + 90 rotate right + $this->flip(); + $this->rotate(-90); + break; + + case 8: // 90 rotate left + $this->rotate(90); + break; + } + } - public function scaleImageUp($min) { + public function scaleImageUp($min) { + if(!$this->is_valid()) + return FALSE; - $width = $this->width; - $height = $this->height; - - $dest_width = $dest_height = 0; - - if((! $width)|| (! $height)) - return FALSE; - - if($width < $min && $height < $min) { - if($width > $height) { - $dest_width = $min; - $dest_height = intval(( $height * $min ) / $width); - } - else { - $dest_width = intval(( $width * $min ) / $height); - $dest_height = $min; - } - } - else { - if( $width < $min ) { - $dest_width = $min; - $dest_height = intval(( $height * $min ) / $width); - } - else { - if( $height < $min ) { - $dest_width = intval(( $width * $min ) / $height); - $dest_height = $min; - } - else { - $dest_width = $width; - $dest_height = $height; - } - } - } - - - $dest = imagecreatetruecolor( $dest_width, $dest_height ); - imagealphablending($dest, false); - imagesavealpha($dest, true); - if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha - imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); - if($this->image) - imagedestroy($this->image); - $this->image = $dest; - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); - - } + $this->scaleImage($min); + } - public function scaleImageSquare($dim) { + public function scaleImageSquare($dim) { + if(!$this->is_valid()) + return FALSE; - $dest = imagecreatetruecolor( $dim, $dim ); - imagealphablending($dest, false); - imagesavealpha($dest, true); - if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha - imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height); - if($this->image) - imagedestroy($this->image); - $this->image = $dest; - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); - } + $this->image->setFirstIterator(); + do { + $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, false); + } while ($this->image->nextImage()); + } - public function cropImage($max,$x,$y,$w,$h) { - $dest = imagecreatetruecolor( $max, $max ); - imagealphablending($dest, false); - imagesavealpha($dest, true); - if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha - imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h); - if($this->image) - imagedestroy($this->image); - $this->image = $dest; - $this->width = imagesx($this->image); - $this->height = imagesy($this->image); - } + public function cropImage($max,$x,$y,$w,$h) { + if(!$this->is_valid()) + return FALSE; - public function saveImage($path) { - switch($this->type){ - case "image/png": - $quality = get_config('system','png_quality'); - if((! $quality) || ($quality > 9)) - $quality = PNG_QUALITY; - imagepng($this->image, $path, $quality); - break; - default: - $quality = get_config('system','jpeg_quality'); - if((! $quality) || ($quality > 100)) - $quality = JPEG_QUALITY; - imagejpeg($this->image,$path,$quality); - } - - } + $this->image->setFirstIterator(); + do { + $this->image->cropImage($w, $h, $x, $y); + /** + * We need to remove the canva, + * or the image is not resized to the crop: + * http://php.net/manual/en/imagick.cropimage.php#97232 + */ + $this->image->setImagePage(0, 0, 0, 0); + } while ($this->image->nextImage()); + $this->scaleImage($max); + } - public function imageString() { - ob_start(); - switch($this->type){ - case "image/png": - $quality = get_config('system','png_quality'); - if((! $quality) || ($quality > 9)) - $quality = PNG_QUALITY; - imagepng($this->image,NULL, $quality); - break; - default: - $quality = get_config('system','jpeg_quality'); - if((! $quality) || ($quality > 100)) - $quality = JPEG_QUALITY; + public function saveImage($path) { + if(!$this->is_valid()) + return FALSE; - imagejpeg($this->image,NULL,$quality); - } - $s = ob_get_contents(); - ob_end_clean(); - return $s; - } + $string = $this->imageString(); + file_put_contents($path, $string); + } + + public function imageString() { + if(!$this->is_valid()) + return FALSE; + + $quality = FALSE; + + /** + * Hmmm, + * we should do the conversion/compression at the initialisation i think + * This method may be called several times, + * and there is no need to do that more than once + */ + switch($this->image->getImageFormat()){ + case "PNG": + $quality = get_config('system','png_quality'); + if((! $quality) || ($quality > 9)) + $quality = PNG_QUALITY; + /** + * From http://www.imagemagick.org/script/command-line-options.php#quality: + * + * 'For the MNG and PNG image formats, the quality value sets + * the zlib compression level (quality / 10) and filter-type (quality % 10). + * The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering, + * unless the image has a color map, in which case it means compression level 7 with no PNG filtering' + */ + $quality = $quality * 10; + break; + case "GIF": + // We change nothing here, do we? + break; + default: + // Convert to jpeg by default + $quality = get_config('system','jpeg_quality'); + if((! $quality) || ($quality > 100)) + $quality = JPEG_QUALITY; + $this->image->setImageFormat('jpeg'); + } + + if($quality !== FALSE) { + // Do we need to iterate for animations? + $this->image->setImageCompressionQuality($quality); + $this->image->stripImage(); + } + + $string = $this->image->getImagesBlob(); + return $string; + } - public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') { + public function store($uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') { - $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1", - dbesc($rid) - ); - if(count($r)) - $guid = $r[0]['guid']; - else - $guid = get_guid(); + $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1", + dbesc($rid) + ); + if(count($r)) + $guid = $r[0]['guid']; + else + $guid = get_guid(); - $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1", - dbesc($rid), - intval($uid), - intval($cid), - intval($scale) - ); - if(count($x)) { - $r = q("UPDATE `photo` - set `uid` = %d, - `contact-id` = %d, - `guid` = '%s', - `resource-id` = '%s', - `created` = '%s', - `edited` = '%s', - `filename` = '%s', - `type` = '%s', - `album` = '%s', - `height` = %d, - `width` = %d, - `data` = '%s', - `scale` = %d, - `profile` = %d, - `allow_cid` = '%s', - `allow_gid` = '%s', - `deny_cid` = '%s', - `deny_gid` = '%s' - where id = %d limit 1", + $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1", + dbesc($rid), + intval($uid), + intval($cid), + intval($scale) + ); + if(count($x)) { + $r = q("UPDATE `photo` + set `uid` = %d, + `contact-id` = %d, + `guid` = '%s', + `resource-id` = '%s', + `created` = '%s', + `edited` = '%s', + `filename` = '%s', + `type` = '%s', + `album` = '%s', + `height` = %d, + `width` = %d, + `data` = '%s', + `scale` = %d, + `profile` = %d, + `allow_cid` = '%s', + `allow_gid` = '%s', + `deny_cid` = '%s', + `deny_gid` = '%s' + where id = %d limit 1", - intval($uid), - intval($cid), - dbesc($guid), - dbesc($rid), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(basename($filename)), - dbesc($this->type), - dbesc($album), - intval($this->height), - intval($this->width), - dbesc($this->imageString()), - intval($scale), - intval($profile), - dbesc($allow_cid), - dbesc($allow_gid), - dbesc($deny_cid), - dbesc($deny_gid), - intval($x[0]['id']) - ); - } - else { - $r = q("INSERT INTO `photo` - ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` ) - VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )", - intval($uid), - intval($cid), - dbesc($guid), - dbesc($rid), - dbesc(datetime_convert()), - dbesc(datetime_convert()), - dbesc(basename($filename)), - dbesc($this->type), - dbesc($album), - intval($this->height), - intval($this->width), - dbesc($this->imageString()), - intval($scale), - intval($profile), - dbesc($allow_cid), - dbesc($allow_gid), - dbesc($deny_cid), - dbesc($deny_gid) - ); - } - return $r; - } + intval($uid), + intval($cid), + dbesc($guid), + dbesc($rid), + dbesc(datetime_convert()), + dbesc(datetime_convert()), + dbesc(basename($filename)), + dbesc($this->getType()), + dbesc($album), + intval($this->getHeight()), + intval($this->getWidth()), + dbesc($this->imageString()), + intval($scale), + intval($profile), + dbesc($allow_cid), + dbesc($allow_gid), + dbesc($deny_cid), + dbesc($deny_gid), + intval($x[0]['id']) + ); + } + else { + $r = q("INSERT INTO `photo` + ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` ) + VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )", + intval($uid), + intval($cid), + dbesc($guid), + dbesc($rid), + dbesc(datetime_convert()), + dbesc(datetime_convert()), + dbesc(basename($filename)), + dbesc($this->getType()), + dbesc($album), + intval($this->getHeight()), + intval($this->getWidth()), + dbesc($this->imageString()), + intval($scale), + intval($profile), + dbesc($allow_cid), + dbesc($allow_gid), + dbesc($deny_cid), + dbesc($deny_gid) + ); + } + return $r; + } }} /** * Guess image mimetype from filename or from Content-Type header - * + * * @arg $filename string Image filename * @arg $fromcurl boolean Check Content-Type header from curl request */ function guess_image_type($filename, $fromcurl=false) { logger('Photo: guess_image_type: '.$filename . ($fromcurl?' from curl headers':''), LOGGER_DEBUG); - $type = null; - if ($fromcurl) { - $a = get_app(); - $headers=array(); - $h = explode("\n",$a->get_curl_headers()); - foreach ($h as $l) { - list($k,$v) = array_map("trim", explode(":", trim($l), 2)); - $headers[$k] = $v; - } - if (array_key_exists('Content-Type', $headers)) - $type = $headers['Content-Type']; - } - if (is_null($type)){ - $ext = pathinfo($filename, PATHINFO_EXTENSION); - $types = Photo::supportedTypes(); - $type = "image/jpeg"; - foreach ($types as $m=>$e){ - if ($ext==$e) $type = $m; - } - - } + $type = null; + if ($fromcurl) { + $a = get_app(); + $headers=array(); + $h = explode("\n",$a->get_curl_headers()); + foreach ($h as $l) { + list($k,$v) = array_map("trim", explode(":", trim($l), 2)); + $headers[$k] = $v; + } + if (array_key_exists('Content-Type', $headers)) + $type = $headers['Content-Type']; + } + if (is_null($type)){ + // Guessing from extension? Isn't that... dangerous? + /*$ext = pathinfo($filename, PATHINFO_EXTENSION); + $types = Photo::supportedTypes(); + $type = "image/jpeg"; + foreach ($types as $m=>$e){ + if ($ext==$e) $type = $m; + }*/ + /** + * Well, this not much better, + * but at least it comes from the data inside the image, + * we won't be tricked by a manipulated extension + */ + $image = new Imagick($filename); + $type = 'image/'. strtolower($image->getImageFormat()); + } logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG); - return $type; - + return $type; + } function import_profile_photo($photo,$uid,$cid) { - $a = get_app(); + $a = get_app(); - $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1", - intval($uid), - intval($cid) - ); - if(count($r)) { - $hash = $r[0]['resource-id']; - } - else { - $hash = photo_new_resource(); - } - - $photo_failure = false; + $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1", + intval($uid), + intval($cid) + ); + if(count($r)) { + $hash = $r[0]['resource-id']; + } + else { + $hash = photo_new_resource(); + } - $filename = basename($photo); - $img_str = fetch_url($photo,true); - - // guess mimetype from headers or filename - $type = guess_image_type($photo,true); + $photo_failure = false; - - $img = new Photo($img_str, $type); - if($img->is_valid()) { + $filename = basename($photo); + $img_str = fetch_url($photo,true); - $img->scaleImageSquare(175); - - $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 ); + $img = new Photo($img_str); + if($img->is_valid()) { - if($r === false) - $photo_failure = true; + $img->scaleImageSquare(175); - $img->scaleImage(80); + $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 ); - $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 ); + if($r === false) + $photo_failure = true; - if($r === false) - $photo_failure = true; + $img->scaleImage(80); - $img->scaleImage(48); + $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 ); - $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 ); + if($r === false) + $photo_failure = true; - if($r === false) - $photo_failure = true; + $img->scaleImage(48); - $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt(); - $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt(); - $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt(); - } - else - $photo_failure = true; + $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 ); - if($photo_failure) { - $photo = $a->get_baseurl() . '/images/person-175.jpg'; - $thumb = $a->get_baseurl() . '/images/person-80.jpg'; - $micro = $a->get_baseurl() . '/images/person-48.jpg'; - } + if($r === false) + $photo_failure = true; - return(array($photo,$thumb,$micro)); + $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt(); + $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt(); + $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt(); + } + else + $photo_failure = true; + + if($photo_failure) { + $photo = $a->get_baseurl() . '/images/person-175.jpg'; + $thumb = $a->get_baseurl() . '/images/person-80.jpg'; + $micro = $a->get_baseurl() . '/images/person-48.jpg'; + } + + return(array($photo,$thumb,$micro)); } From 6c2cd91184c0d1ced708802b73d62458dcaca997 Mon Sep 17 00:00:00 2001 From: Domovoy Date: Sun, 22 Jul 2012 13:43:46 +0200 Subject: [PATCH 2/2] gd is back in the game as a fallback: not everybody can have Imagick. --- include/Photo.php | 403 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 316 insertions(+), 87 deletions(-) diff --git a/include/Photo.php b/include/Photo.php index 18e8e6e9a1..de29dfb672 100644 --- a/include/Photo.php +++ b/include/Photo.php @@ -6,55 +6,105 @@ class Photo { private $image; private $ext; + /** + * Put back gd stuff, not everybody have Imagick + */ + private $imagick; + private $width; + private $height; + private $valid; + private $type; + private $types; + /** * supported mimetypes and corresponding file extensions */ static function supportedTypes() { - /** - * Imagick::queryFormats won't help us a lot there... - * At least, not yet, other parts of friendica uses this array - */ - $t = array( - 'image/jpeg' => 'jpg', - 'image/png' => 'png', - 'image/gif' => 'gif' - ); + if(class_exists('Imagick')) { + /** + * Imagick::queryFormats won't help us a lot there... + * At least, not yet, other parts of friendica uses this array + */ + $t = array( + 'image/jpeg' => 'jpg', + 'image/png' => 'png', + 'image/gif' => 'gif' + ); + } else { + $t = array(); + $t['image/jpeg'] ='jpg'; + if (imagetypes() & IMG_PNG) $t['image/png'] = 'png'; + } + return $t; } public function __construct($data, $type=null) { - $this->image = new Imagick(); - $this->image->readImageBlob($data); + $this->imagick = class_exists('Imagick'); - // If it is a gif, it may be animated, get it ready for any future operations - if($this->image->getFormat() !== "GIF") $this->image = $this->image->coalesceImages(); + if($this->is_imagick()) { + $this->image = new Imagick(); + $this->image->readImageBlob($data); - $this->ext = strtolower($this->image->getImageFormat()); + // If it is a gif, it may be animated, get it ready for any future operations + if($this->image->getFormat() !== "GIF") $this->image = $this->image->coalesceImages(); + + $this->ext = strtolower($this->image->getImageFormat()); + } else { + $this->types = $this->supportedTypes(); + if (!array_key_exists($type,$this->types)){ + $type='image/jpeg'; + } + $this->valid = false; + $this->type = $type; + $this->image = @imagecreatefromstring($data); + if($this->image !== FALSE) { + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); + $this->valid = true; + imagealphablending($this->image, false); + imagesavealpha($this->image, true); + } + } } public function __destruct() { if($this->image) { - $this->image->clear(); - $this->image->destroy(); + if($this->is_imagick()) { + $this->image->clear(); + $this->image->destroy(); + return; + } + imagedestroy($this->image); } } + public function is_imagick() { + return $this->imagick; + } + public function is_valid() { - return ($this->image !== FALSE); + if($this->is_imagick()) + return ($this->image !== FALSE); + return $this->valid; } public function getWidth() { if(!$this->is_valid()) return FALSE; - return $this->image->getImageWidth(); + if($this->is_imagick()) + return $this->image->getImageWidth(); + return $this->width; } public function getHeight() { if(!$this->is_valid()) return FALSE; - return $this->image->getImageHeight(); + if($this->is_imagick()) + return $this->image->getImageHeight(); + return $this->height; } public function getImage() { @@ -62,7 +112,10 @@ class Photo { return FALSE; /* Clean it */ - $this->image = $this->image->deconstructImages(); + if($this->is_imagick()) { + $this->image = $this->image->deconstructImages(); + return $this->image; + } return $this->image; } @@ -70,51 +123,131 @@ class Photo { if(!$this->is_valid()) return FALSE; - // This should do the trick (see supportedTypes above) - return 'image/'. $this->getExt(); + if($this->is_imagick()) { + // This should do the trick (see supportedTypes above) + return 'image/'. $this->getExt(); + } + return $this->type; } public function getExt() { if(!$this->is_valid()) return FALSE; - return $this->ext; + if($this->is_imagick()) + return $this->ext; + return $this->types[$this->type]; } public function scaleImage($max) { if(!$this->is_valid()) return FALSE; - /** - * If it is not animated, there will be only one iteration here, - * so don't bother checking - */ - // Don't forget to go back to the first frame for any further operation - $this->image->setFirstIterator(); - do { - $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true); - } while ($this->image->nextImage()); + if($this->is_imagick()) { + /** + * If it is not animated, there will be only one iteration here, + * so don't bother checking + */ + // Don't forget to go back to the first frame for any further operation + $this->image->setFirstIterator(); + do { + $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, true); + } while ($this->image->nextImage()); + return; + } + + $width = $this->width; + $height = $this->height; + + $dest_width = $dest_height = 0; + + if((! $width)|| (! $height)) + return FALSE; + + if($width > $max && $height > $max) { + if($width > $height) { + $dest_width = $max; + $dest_height = intval(( $height * $max ) / $width); + } + else { + $dest_width = intval(( $width * $max ) / $height); + $dest_height = $max; + } + } + else { + if( $width > $max ) { + $dest_width = $max; + $dest_height = intval(( $height * $max ) / $width); + } + else { + if( $height > $max ) { + $dest_width = intval(( $width * $max ) / $height); + $dest_height = $max; + } + else { + $dest_width = $width; + $dest_height = $height; + } + } + } + + + $dest = imagecreatetruecolor( $dest_width, $dest_height ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha + imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); + if($this->image) + imagedestroy($this->image); + $this->image = $dest; + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); } public function rotate($degrees) { if(!$this->is_valid()) return FALSE; - $this->image->setFirstIterator(); - do { - $this->image->rotateImage(new ImagickPixel(), $degrees); - } while ($this->image->nextImage()); + if($this->is_imagick()) { + $this->image->setFirstIterator(); + do { + $this->image->rotateImage(new ImagickPixel(), $degrees); + } while ($this->image->nextImage()); + return; + } + + $this->image = imagerotate($this->image,$degrees,0); + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); } public function flip($horiz = true, $vert = false) { if(!$this->is_valid()) return FALSE; - $this->image->setFirstIterator(); - do { - if($horiz) $this->image->flipImage(); - if($vert) $this->image->flopImage(); - } while ($this->image->nextImage()); + if($this->is_imagick()) { + $this->image->setFirstIterator(); + do { + if($horiz) $this->image->flipImage(); + if($vert) $this->image->flopImage(); + } while ($this->image->nextImage()); + return; + } + + $w = imagesx($this->image); + $h = imagesy($this->image); + $flipped = imagecreate($w, $h); + if($horiz) { + for ($x = 0; $x < $w; $x++) { + imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h); + } + } + if($vert) { + for ($y = 0; $y < $h; $y++) { + imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1); + } + } + $this->image = $flipped; } public function orient($filename) { @@ -172,7 +305,55 @@ class Photo { if(!$this->is_valid()) return FALSE; - $this->scaleImage($min); + if($this->is_imagick()) + return $this->scaleImage($min); + + $width = $this->width; + $height = $this->height; + + $dest_width = $dest_height = 0; + + if((! $width)|| (! $height)) + return FALSE; + + if($width < $min && $height < $min) { + if($width > $height) { + $dest_width = $min; + $dest_height = intval(( $height * $min ) / $width); + } + else { + $dest_width = intval(( $width * $min ) / $height); + $dest_height = $min; + } + } + else { + if( $width < $min ) { + $dest_width = $min; + $dest_height = intval(( $height * $min ) / $width); + } + else { + if( $height < $min ) { + $dest_width = intval(( $width * $min ) / $height); + $dest_height = $min; + } + else { + $dest_width = $width; + $dest_height = $height; + } + } + } + + + $dest = imagecreatetruecolor( $dest_width, $dest_height ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha + imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height); + if($this->image) + imagedestroy($this->image); + $this->image = $dest; + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); } @@ -181,10 +362,24 @@ class Photo { if(!$this->is_valid()) return FALSE; - $this->image->setFirstIterator(); - do { - $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, false); - } while ($this->image->nextImage()); + if($this->is_imagick()) { + $this->image->setFirstIterator(); + do { + $this->image->resizeImage($max, $max, imagick::FILTER_LANCZOS, 1, false); + } while ($this->image->nextImage()); + return; + } + + $dest = imagecreatetruecolor( $dim, $dim ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha + imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dim, $dim, $this->width, $this->height); + if($this->image) + imagedestroy($this->image); + $this->image = $dest; + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); } @@ -192,17 +387,30 @@ class Photo { if(!$this->is_valid()) return FALSE; - $this->image->setFirstIterator(); - do { - $this->image->cropImage($w, $h, $x, $y); - /** - * We need to remove the canva, - * or the image is not resized to the crop: - * http://php.net/manual/en/imagick.cropimage.php#97232 - */ - $this->image->setImagePage(0, 0, 0, 0); - } while ($this->image->nextImage()); - $this->scaleImage($max); + if($this->is_imagick()) { + $this->image->setFirstIterator(); + do { + $this->image->cropImage($w, $h, $x, $y); + /** + * We need to remove the canva, + * or the image is not resized to the crop: + * http://php.net/manual/en/imagick.cropimage.php#97232 + */ + $this->image->setImagePage(0, 0, 0, 0); + } while ($this->image->nextImage()); + return $this->scaleImage($max); + } + + $dest = imagecreatetruecolor( $max, $max ); + imagealphablending($dest, false); + imagesavealpha($dest, true); + if ($this->type=='image/png') imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha + imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h); + if($this->image) + imagedestroy($this->image); + $this->image = $dest; + $this->width = imagesx($this->image); + $this->height = imagesy($this->image); } public function saveImage($path) { @@ -220,27 +428,32 @@ class Photo { $quality = FALSE; /** - * Hmmm, + * Hmmm, for Imagick * we should do the conversion/compression at the initialisation i think * This method may be called several times, * and there is no need to do that more than once */ - switch($this->image->getImageFormat()){ - case "PNG": + + if(!$this->is_imagick()) ob_start(); + + switch($this->getType()){ + case "image/png": $quality = get_config('system','png_quality'); if((! $quality) || ($quality > 9)) $quality = PNG_QUALITY; - /** - * From http://www.imagemagick.org/script/command-line-options.php#quality: - * - * 'For the MNG and PNG image formats, the quality value sets - * the zlib compression level (quality / 10) and filter-type (quality % 10). - * The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering, - * unless the image has a color map, in which case it means compression level 7 with no PNG filtering' - */ - $quality = $quality * 10; + if($this->is_imagick()) { + /** + * From http://www.imagemagick.org/script/command-line-options.php#quality: + * + * 'For the MNG and PNG image formats, the quality value sets + * the zlib compression level (quality / 10) and filter-type (quality % 10). + * The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering, + * unless the image has a color map, in which case it means compression level 7 with no PNG filtering' + */ + $quality = $quality * 10; + } else imagepng($this->image,NULL, $quality); break; - case "GIF": + case "image/gif": // We change nothing here, do we? break; default: @@ -248,16 +461,24 @@ class Photo { $quality = get_config('system','jpeg_quality'); if((! $quality) || ($quality > 100)) $quality = JPEG_QUALITY; - $this->image->setImageFormat('jpeg'); + if($this->is_imagick()) + $this->image->setImageFormat('jpeg'); + else imagejpeg($this->image,NULL,$quality); } - if($quality !== FALSE) { + if($this->is_imagick()) { + if($quality !== FALSE) { // Do we need to iterate for animations? $this->image->setImageCompressionQuality($quality); $this->image->stripImage(); + } + + $string = $this->image->getImagesBlob(); + } else { + $string = ob_get_contents(); + ob_end_clean(); } - $string = $this->image->getImagesBlob(); return $string; } @@ -373,19 +594,22 @@ function guess_image_type($filename, $fromcurl=false) { } if (is_null($type)){ // Guessing from extension? Isn't that... dangerous? - /*$ext = pathinfo($filename, PATHINFO_EXTENSION); - $types = Photo::supportedTypes(); - $type = "image/jpeg"; - foreach ($types as $m=>$e){ - if ($ext==$e) $type = $m; - }*/ - /** - * Well, this not much better, - * but at least it comes from the data inside the image, - * we won't be tricked by a manipulated extension - */ - $image = new Imagick($filename); - $type = 'image/'. strtolower($image->getImageFormat()); + if($this->is_imagick()) { + /** + * Well, this not much better, + * but at least it comes from the data inside the image, + * we won't be tricked by a manipulated extension + */ + $image = new Imagick($filename); + $type = 'image/'. strtolower($image->getImageFormat()); + } else { + $ext = pathinfo($filename, PATHINFO_EXTENSION); + $types = Photo::supportedTypes(); + $type = "image/jpeg"; + foreach ($types as $m=>$e){ + if ($ext==$e) $type = $m; + } + } } logger('Photo: guess_image_type: type='.$type, LOGGER_DEBUG); return $type; @@ -412,7 +636,12 @@ function import_profile_photo($photo,$uid,$cid) { $filename = basename($photo); $img_str = fetch_url($photo,true); - $img = new Photo($img_str); + if($this->is_imagick()) $type = null; + else { + // guess mimetype from headers or filename + $type = guess_image_type($photo,true); + } + $img = new Photo($img_str, $type); if($img->is_valid()) { $img->scaleImageSquare(175);