is_valid()) return FALSE; file_put_contents($path, $this->imageString()); } public function orient($filename) { /** * This function is a bit unusual, because it is operating on a file, but you must * first create an image from that file to initialise the type and check validity * of the image. */ if(! $this->is_valid()) return FALSE; if((! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg')) return; $exif = @exif_read_data($filename); if($exif) { $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; } } } } class Photo { private $image; /** * 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() { 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->imagick = class_exists('Imagick'); $this->types = $this->supportedTypes(); if (!array_key_exists($type,$this->types)){ $type='image/jpeg'; } $this->type = $type; if($this->is_imagick()) { $this->image = new Imagick(); $this->image->readImageBlob($data); /** * Setup the image to the format it will be saved to */ $map = $this->get_FormatsMap(); $format = $map[$type]; $this->image->setFormat($format); // Always coalesce, if it is not a multi-frame image it won't hurt anyway $this->image = $this->image->coalesceImages(); /** * setup the compression here, so we'll do it only once */ switch($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; $this->image->setCompressionQuality($quality); break; case "image/jpeg": $quality = get_config('system','jpeg_quality'); if((! $quality) || ($quality > 100)) $quality = JPEG_QUALITY; $this->image->setCompressionQuality($quality); } } else { $this->valid = false; $this->image = @imagecreatefromstring($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) { if($this->is_imagick()) { $this->image->clear(); $this->image->destroy(); return; } imagedestroy($this->image); } } public function is_imagick() { return $this->imagick; } /** * Maps Mime types to Imagick formats */ public function get_FormatsMap() { $m = array( 'image/jpeg' => 'JPG', 'image/png' => 'PNG', 'image/gif' => 'GIF' ); return $m; } public function is_valid() { if($this->is_imagick()) return ($this->image !== FALSE); return $this->valid; } public function getWidth() { if(!$this->is_valid()) return FALSE; if($this->is_imagick()) return $this->image->getImageWidth(); return $this->width; } public function getHeight() { if(!$this->is_valid()) return FALSE; if($this->is_imagick()) return $this->image->getImageHeight(); return $this->height; } public function getImage() { if(!$this->is_valid()) return FALSE; if($this->is_imagick()) { /* Clean it */ $this->image = $this->image->deconstructImages(); return $this->image; } return $this->image; } public function getType() { if(!$this->is_valid()) return FALSE; return $this->type; } public function getExt() { if(!$this->is_valid()) return FALSE; return $this->types[$this->getType()]; } public function scaleImage($max) { if(!$this->is_valid()) return FALSE; $width = $this->width; $height = $this->height; $dest_width = $dest_height = 0; if((! $width)|| (! $height)) return FALSE; if($width > $max && $height > $max) { // very tall image (greater than 16:9) // constrain the width - let the height float. if((($height * 9) / 16) > $width) { $dest_width = $max; $dest_height = intval(( $height * $max ) / $width); } // else constrain both dimensions elseif($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 > $max ) { // very tall image (greater than 16:9) // but width is OK - don't do anything if((($height * 9) / 16) > $width) { $dest_width = $width; $dest_height = $height; } else { $dest_width = intval(( $width * $max ) / $height); $dest_height = $max; } } else { $dest_width = $width; $dest_height = $height; } } } if($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 $this->image->setFirstIterator(); do { // FIXME - implement horizantal bias for scaling as in followin GD functions // to allow very tall images to be constrained only horizontally. $this->image->scaleImage($dest_width, $dest_height); } while ($this->image->nextImage()); // FIXME - also we need to copy the new dimensions to $this->height, $this->width as other functions // may rely on it. return; } $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; if($this->is_imagick()) { $this->image->setFirstIterator(); do { $this->image->rotateImage(new ImagickPixel(), -$degrees); // ImageMagick rotates in the opposite direction of imagerotate() } 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; 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) { // 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); if($exif) { $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 $this->rotate(90); break; } } } public function scaleImageUp($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 = $height; } } } if($this->is_imagick()) return $this->scaleImage($dest_width,$dest_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 scaleImageSquare($dim) { if(!$this->is_valid()) return FALSE; if($this->is_imagick()) { $this->image->setFirstIterator(); do { $this->image->scaleImage($dim, $dim); } while ($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); } public function cropImage($max,$x,$y,$w,$h) { if(!$this->is_valid()) return FALSE; 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($path) { if(!$this->is_valid()) return FALSE; $string = $this->imageString(); file_put_contents($path, $string); } public function imageString() { if(!$this->is_valid()) return FALSE; if($this->is_imagick()) { /* Clean it */ $this->image = $this->image->deconstructImages(); $string = $this->image->getImagesBlob(); return $string; } $quality = FALSE; ob_start(); switch($this->getType()){ case "image/png": $quality = get_config('system','png_quality'); if((! $quality) || ($quality > 9)) $quality = PNG_QUALITY; imagepng($this->image,NULL, $quality); break; case "image/jpeg": default: $quality = get_config('system','jpeg_quality'); if((! $quality) || ($quality > 100)) $quality = JPEG_QUALITY; imagejpeg($this->image,NULL,$quality); break; } $string = ob_get_contents(); ob_end_clean(); return $string; } public function store($aid, $uid, $xchan, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = '', $allow_gid = '', $deny_cid = '', $deny_gid = '') { $x = q("select id from photo where `resource_id` = '%s' and uid = %d and `xchan` = '%s' and `scale` = %d limit 1", dbesc($rid), intval($uid), dbesc($xchan), intval($scale) ); if(count($x)) { $r = q("UPDATE `photo` set `aid` = %d, `uid` = %d, `xchan` = '%s', `resource_id` = '%s', `created` = '%s', `edited` = '%s', `filename` = '%s', `type` = '%s', `album` = '%s', `height` = %d, `width` = %d, `data` = '%s', `size` = %d, `scale` = %d, `profile` = %d, `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' where id = %d limit 1", intval($aid), intval($uid), dbesc($xchan), dbesc($rid), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(basename($filename)), dbesc($this->getType()), dbesc($album), intval($this->getHeight()), intval($this->getWidth()), dbesc($this->imageString()), intval(strlen($this->imageString())), intval($scale), intval($profile), dbesc($allow_cid), dbesc($allow_gid), dbesc($deny_cid), dbesc($deny_gid), intval($x[0]['id']) ); } else { $r = q("INSERT INTO `photo` ( `aid`, `uid`, `xchan`, `resource_id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `data`, `size`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` ) VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s' )", intval($aid), intval($uid), dbesc($xchan), dbesc($rid), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(basename($filename)), dbesc($this->getType()), dbesc($album), intval($this->getHeight()), intval($this->getWidth()), dbesc($this->imageString()), intval(strlen($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)){ // Guessing from extension? Isn't that... dangerous? if(class_exists('Imagick') && file_exists($filename) && is_readable($filename)) { /** * 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->getImageMimeType(); } 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 $type; } function import_profile_photo($photo,$xchan) { $a = get_app(); logger('import_profile_photo: updating channel photo from ' . $photo . ' for ' . $xchan, LOGGER_DEBUG); $r = q("select resource_id from photo where xchan = '%s' and scale = 4 limit 1", dbesc($xchan) ); if($r) { $hash = $r[0]['resource_id']; } else { $hash = photo_new_resource(); } $photo_failure = false; $filename = basename($photo); $type = guess_image_type($photo,true); $result = z_fetch_url($photo,true); if($result['success']) $img_str = $result['body']; $img = new Photo($img_str, $type); if($img->is_valid()) { $img->scaleImageSquare(175); $r = $img->store(0, 0, $xchan, $hash, $filename, 'Contact Photos', 4 ); if($r === false) $photo_failure = true; $img->scaleImage(80); $r = $img->store(0, 0, $xchan, $hash, $filename, 'Contact Photos', 5 ); if($r === false) $photo_failure = true; $img->scaleImage(48); $r = $img->store(0, 0, $xchan, $hash, $filename, 'Contact Photos', 6 ); if($r === false) $photo_failure = true; $photo = $a->get_baseurl() . '/photo/' . $hash . '-4'; $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5'; $micro = $a->get_baseurl() . '/photo/' . $hash . '-6'; } else { logger('import_profile_photo: invalid image from ' . $photo); $photo_failure = true; } if($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'; $type = 'image/jpeg'; } return(array($photo,$thumb,$micro,$type)); } function import_channel_photo($photo,$type,$aid,$uid) { $a = get_app(); logger('import_channel_photo: importing channel photo for ' . $uid, LOGGER_DEBUG); $hash = photo_new_resource(); $photo_failure = false; $filename = $hash; $img = new Photo($photo, $type); if($img->is_valid()) { $img->scaleImageSquare(175); $r = $img->store($aid,$uid,'', $hash, $filename, t('Profile Photos'), 4, true); if($r === false) $photo_failure = true; $img->scaleImage(80); $r = $img->store($aid,$uid,'', $hash, $filename, t('Profile Photos'), 5, true); if($r === false) $photo_failure = true; $img->scaleImage(48); $r = $img->store($aid,$uid,'', $hash, $filename, t('Profile Photos'), 6, true); if($r === false) $photo_failure = true; } else { logger('import_channel_photo: invalid image.'); $photo_failure = true; } return(($photo_failure)? false : true); }