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-rw-r--r--include/Photo.php878
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diff --git a/include/Photo.php b/include/Photo.php
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-<?php /** @file */
-
-
-abstract class photo_driver {
-
- private $image;
- private $width;
- private $height;
- private $valid;
- private $type;
- private $types;
-
-
- abstract function supportedTypes();
- abstract function load();
- abstract function destroy();
- abstract function getWidth();
- abstract function getHeight();
-
- abstract function getImage();
-
- abstract function getType();
-
- abstract function getExt();
-
- abstract function scaleImage($max);
-
- abstract function rotate($degrees);
-
- abstract function flip($horiz = true, $vert = false);
-
- abstract function scaleImageUp($min);
-
- abstract function scaleImageSquare($dim);
-
- abstract function cropImage($max,$x,$y,$w,$h);
-
- abstract function imageString();
-
- public function saveImage($path) {
- if(!$this->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);
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 02:53:05 +0000