]> git.mxchange.org Git - friendica.git/blobdiff - include/Photo.php
FR update to the strings THX Perig
[friendica.git] / include / Photo.php
index 69b08f62919bc7fe81855238ff9fea847dff556c..9732801c9a3d8fbe18a0bbfe20c2ca11214b5d7e 100644 (file)
@@ -19,34 +19,34 @@ class Photo {
      * 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';
-        }
+       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;
+       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;
+       $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() && $this->load_data($data)) {
+       if($this->is_imagick() && $this->load_data($data)) {
                        return true;
                } else {
                        // Failed to load with Imagick, fallback
@@ -56,36 +56,36 @@ class Photo {
     }
 
     public function __destruct() {
-        if($this->image) {
-            if($this->is_imagick()) {
-                $this->image->clear();
-                $this->image->destroy();
-                return;
-            }
-            imagedestroy($this->image);
-        }
+       if($this->image) {
+           if($this->is_imagick()) {
+               $this->image->clear();
+               $this->image->destroy();
+               return;
+           }
+           imagedestroy($this->image);
+       }
     }
 
     public function is_imagick() {
-        return $this->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;
+       $m = array(
+           'image/jpeg' => 'JPG',
+           'image/png' => 'PNG',
+           'image/gif' => 'GIF'
+       );
+       return $m;
     }
 
     private function load_data($data) {
                if($this->is_imagick()) {
                        $this->image = new Imagick();
-            try {
+           try {
                                $this->image->readImageBlob($data);
                        }
                        catch (Exception $e) {
@@ -93,41 +93,41 @@ class Photo {
                                return false;
                        }
 
-            /**
-             * 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);
-            }
+           /**
+            * 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);
+           }
 
                        // The 'width' and 'height' properties are only used by non-Imagick routines.
                        $this->width  = $this->image->getImageWidth();
@@ -153,117 +153,117 @@ class Photo {
        }
 
     public function is_valid() {
-        if($this->is_imagick())
-            return ($this->image !== FALSE);
-        return $this->valid;
+       if($this->is_imagick())
+           return ($this->image !== FALSE);
+       return $this->valid;
     }
 
     public function getWidth() {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        if($this->is_imagick())
-            return $this->image->getImageWidth();
-        return $this->width;
+       if($this->is_imagick())
+           return $this->image->getImageWidth();
+       return $this->width;
     }
 
     public function getHeight() {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        if($this->is_imagick())
-            return $this->image->getImageHeight();
-        return $this->height;
+       if($this->is_imagick())
+           return $this->image->getImageHeight();
+       return $this->height;
     }
 
     public function getImage() {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        if($this->is_imagick()) {
-            /* Clean it */
-            $this->image = $this->image->deconstructImages();
-            return $this->image;
-        }
-        return $this->image;
+       if($this->is_imagick()) {
+           /* Clean it */
+           $this->image = $this->image->deconstructImages();
+           return $this->image;
+       }
+       return $this->image;
     }
 
     public function getType() {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        return $this->type;
+       return $this->type;
     }
 
     public function getExt() {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        return $this->types[$this->getType()];
+       return $this->types[$this->getType()];
     }
 
     public function scaleImage($max) {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
-        $width = $this->getWidth();
-        $height = $this->getHeight();
+       $width = $this->getWidth();
+       $height = $this->getHeight();
 
-        $dest_width = $dest_height = 0;
+       $dest_width = $dest_height = 0;
 
-        if((! $width)|| (! $height))
-            return FALSE;
+       if((! $width)|| (! $height))
+           return FALSE;
 
-        if($width > $max && $height > $max) {
+       if($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);
+               $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 ) {
+               $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;
+                               $dest_height = $height;
                                        }
                                        else {
-                           $dest_width = intval(( $width * $max ) / $height);
-                       $dest_height = $max;
+                           $dest_width = intval(( $width * $max ) / $height);
+                       $dest_height = $max;
                                        }
-                }
-                else {
-                    $dest_width = $width;
-                    $dest_height = $height;
-                }
-            }
-        }
+               }
+               else {
+                   $dest_width = $width;
+                   $dest_height = $height;
+               }
+           }
+       }
 
 
-        if($this->is_imagick()) {
+       if($this->is_imagick()) {
                        /**
                         * If it is not animated, there will be only one iteration here,
                         * so don't bother checking
@@ -283,207 +283,228 @@ class Photo {
                        $this->height = $this->image->getImageHeight();
 
                        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);
+       $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 ($this->image->nextImage());
-            return;
-        }
+       if(!$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);
+       $this->image  = imagerotate($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;
-        }
+       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;
+       $w = imagesx($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_imagick()) {
+               // based off comment on http://php.net/manual/en/imagick.getimageorientation.php
+               $orientation = $this->image->getImageOrientation();
+               switch ($orientation) {
+               case imagick::ORIENTATION_BOTTOMRIGHT:
+                   $this->image->rotateimage("#000", 180);
+                   break;
+               case imagick::ORIENTATION_RIGHTTOP:
+                   $this->image->rotateimage("#000", 90);
+                   break;
+               case imagick::ORIENTATION_LEFTBOTTOM:
+                   $this->image->rotateimage("#000", -90);
+                   break;
+               }
 
-        if(!$this->is_valid())
-            return FALSE;
+               $this->image->setImageOrientation(imagick::ORIENTATION_TOPLEFT);
+               return TRUE;
+       }
+       // based off comment on http://php.net/manual/en/function.imagerotate.php
 
-        if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') )
-            return;
+       if(!$this->is_valid())
+               return FALSE;
 
-        $exif = @exif_read_data($filename);
+       if( (! function_exists('exif_read_data')) || ($this->getType() !== 'image/jpeg') )
+               return;
 
-               if(! $exif)
-                       return;
+       $exif = @exif_read_data($filename,null,true);
+       if(! $exif)
+               return;
 
-        $ort = $exif['Orientation'];
+       $ort = $exif['IFD0']['Orientation'];
 
-        switch($ort)
-        {
-            case 1: // nothing
-                break;
+       switch($ort)
+       {
+           case 1: // nothing
+               break;
 
-            case 2: // horizontal flip
-                $this->flip();
-                break;
+           case 2: // horizontal flip
+               $this->flip();
+               break;
 
-            case 3: // 180 rotate left
-                $this->rotate(180);
-                break;
+           case 3: // 180 rotate left
+               $this->rotate(180);
+               break;
 
-            case 4: // vertical flip
-                $this->flip(false, true);
-                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 5: // vertical flip + 90 rotate right
+               $this->flip(false, true);
+               $this->rotate(-90);
+               break;
 
-            case 6: // 90 rotate right
-                $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 7: // horizontal flip + 90 rotate right
+               $this->flip();
+               $this->rotate(-90);
+               break;
+
+           case 8:    // 90 rotate left
+               $this->rotate(90);
+               break;
+       }
+
+       //      logger('exif: ' . print_r($exif,true));
+       return $exif;
 
-            case 8:    // 90 rotate left
-                $this->rotate(90);
-                break;
-        }
     }
 
 
 
     public function scaleImageUp($min) {
-        if(!$this->is_valid())
-            return FALSE;
+       if(!$this->is_valid())
+           return FALSE;
 
 
-        $width = $this->getWidth();
-        $height = $this->getHeight();
+       $width = $this->getWidth();
+       $height = $this->getHeight();
 
-        $dest_width = $dest_height = 0;
+       $dest_width = $dest_height = 0;
 
-        if((! $width)|| (! $height))
-            return FALSE;
+       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 = $height;
-                }
-            }
-        }
+       if($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);
+       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;
-        }
+       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);
+       $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_valid())
+           return FALSE;
 
                if($this->is_imagick()) {
                        $this->image->setFirstIterator();
@@ -499,149 +520,157 @@ class Photo {
                        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);
+       $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;
+       if(!$this->is_valid())
+           return FALSE;
+
+       $string = $this->imageString();
+
+       $a = get_app();
 
-        $string = $this->imageString();
-        file_put_contents($path, $string);
+       $stamp1 = microtime(true);
+       file_put_contents($path, $string);
+       $a->save_timestamp($stamp1, "file");
     }
 
     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 $string;
-        }
+       if(!$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":
-                $quality = get_config('system','jpeg_quality');
-                if((! $quality) || ($quality > 100))
-                    $quality = JPEG_QUALITY;
-                imagejpeg($this->image,NULL,$quality);
-        }
-        $string = ob_get_contents();
-        ob_end_clean();
+       $quality = FALSE;
+
+       ob_start();
+
+       // Enable interlacing
+       imageinterlace($this->image, true);
+
+       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":
+               $quality = get_config('system','jpeg_quality');
+               if((! $quality) || ($quality > 100))
+                   $quality = JPEG_QUALITY;
+               imagejpeg($this->image,NULL,$quality);
+       }
+       $string = ob_get_contents();
+       ob_end_clean();
 
-        return $string;
+       return $string;
     }
 
 
 
     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();
-
-        $x = q("select id from photo where `resource-id` = '%s' and uid = %d and `contact-id` = %d and `scale` = %d limit 1",
-                dbesc($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,
+       $r = q("select `guid` from photo where `resource-id` = '%s' and `guid` != '' limit 1",
+           dbesc($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)) {
+           $r = q("UPDATE `photo`
+               set `uid` = %d,
+               `contact-id` = %d,
+               `guid` = '%s',
+               `resource-id` = '%s',
+               `created` = '%s',
+               `edited` = '%s',
+               `filename` = '%s',
+               `type` = '%s',
+               `album` = '%s',
+               `height` = %d,
+               `width` = %d,
                                `datasize` = %d,
-                `data` = '%s',
-                `scale` = %d,
-                `profile` = %d,
-                `allow_cid` = '%s',
-                `allow_gid` = '%s',
-                `deny_cid` = '%s',
-                `deny_gid` = '%s'
-                where id = %d limit 1",
-
-                intval($uid),
-                intval($cid),
-                dbesc($guid),
-                dbesc($rid),
-                dbesc(datetime_convert()),
-                dbesc(datetime_convert()),
-                dbesc(basename($filename)),
-                dbesc($this->getType()),
-                dbesc($album),
-                intval($this->getHeight()),
-                intval($this->getWidth()),
+               `data` = '%s',
+               `scale` = %d,
+               `profile` = %d,
+               `allow_cid` = '%s',
+               `allow_gid` = '%s',
+               `deny_cid` = '%s',
+               `deny_gid` = '%s'
+               where id = %d",
+
+               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($this->getWidth()),
                                dbesc(strlen($this->imageString())),
-                dbesc($this->imageString()),
-                intval($scale),
-                intval($profile),
-                dbesc($allow_cid),
-                dbesc($allow_gid),
-                dbesc($deny_cid),
-                dbesc($deny_gid),
-                intval($x[0]['id'])
-            );
-        }
-        else {
-            $r = q("INSERT INTO `photo`
-                ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `datasize`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
-                VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
-                intval($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($deny_gid),
+               intval($x[0]['id'])
+           );
+       }
+       else {
+           $r = q("INSERT INTO `photo`
+               ( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, type, `album`, `height`, `width`, `datasize`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )
+               VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, '%s', %d, %d, '%s', '%s', '%s', '%s' )",
+               intval($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(strlen($this->imageString())),
-                dbesc($this->imageString()),
-                intval($scale),
-                intval($profile),
-                dbesc($allow_cid),
-                dbesc($allow_gid),
-                dbesc($deny_cid),
-                dbesc($deny_gid)
-            );
-        }
-        return $r;
+               dbesc($this->imageString()),
+               intval($scale),
+               intval($profile),
+               dbesc($allow_cid),
+               dbesc($allow_gid),
+               dbesc($deny_cid),
+               dbesc($deny_gid)
+           );
+       }
+       return $r;
     }
 }}
 
@@ -656,34 +685,35 @@ 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'];
+       $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 = $m;
-            }
-        }
+       // Guessing from extension? Isn't that... dangerous?
+       if(class_exists('Imagick') && file_exists($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();
+           $image->setInterlaceScheme(Imagick::INTERLACE_PLANE);
+       } 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 $type;
@@ -695,14 +725,14 @@ function import_profile_photo($photo,$uid,$cid) {
     $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($cid)
+       intval($uid),
+       intval($cid)
     );
     if(count($r) && strlen($r[0]['resource-id'])) {
-        $hash = $r[0]['resource-id'];
+       $hash = $r[0]['resource-id'];
     }
     else {
-        $hash = photo_new_resource();
+       $hash = photo_new_resource();
     }
 
     $photo_failure = false;
@@ -714,40 +744,276 @@ function import_profile_photo($photo,$uid,$cid) {
     $img = new Photo($img_str, $type);
     if($img->is_valid()) {
 
-        $img->scaleImageSquare(175);
+       $img->scaleImageSquare(175);
 
-        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
+       $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4 );
 
-        if($r === false)
-            $photo_failure = true;
+       if($r === false)
+           $photo_failure = true;
 
-        $img->scaleImage(80);
+       $img->scaleImage(80);
 
-        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
+       $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5 );
 
-        if($r === false)
-            $photo_failure = true;
+       if($r === false)
+           $photo_failure = true;
 
-        $img->scaleImage(48);
+       $img->scaleImage(48);
 
-        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
+       $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6 );
 
-        if($r === false)
-            $photo_failure = true;
+       if($r === false)
+           $photo_failure = true;
 
-        $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();
+       $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;
+       $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';
+       $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));
 
 }
+
+function get_photo_info($url) {
+       $data = array();
+
+       $data = Cache::get($url);
+
+       if (is_null($data)) {
+               $img_str = fetch_url($url, true, $redirects, 4);
+
+               $filesize = strlen($img_str);
+
+               $tempfile = tempnam(get_temppath(), "cache");
+
+               $a = get_app();
+               $stamp1 = microtime(true);
+               file_put_contents($tempfile, $img_str);
+               $a->save_timestamp($stamp1, "file");
+
+               $data = getimagesize($tempfile);
+               unlink($tempfile);
+
+               if ($data)
+                       $data["size"] = $filesize;
+
+               Cache::set($url, serialize($data));
+       } else
+               $data = unserialize($data);
+
+       return $data;
+}
+
+function scale_image($width, $height, $max) {
+
+       $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 ) / $width);
+               } elseif($width > $height) {
+                       // else constrain both dimensions
+                       $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;
+                       }
+               }
+       }
+       return array("width" => $dest_width, "height" => $dest_height);
+}
+
+function store_photo($a, $uid, $imagedata = "", $url = "") {
+       $r = q("SELECT `user`.`nickname`, `user`.`page-flags`, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`
+               WHERE `user`.`uid` = %d AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
+               intval($uid));
+
+       if(!count($r)) {
+               logger("Can't detect user data for uid ".$uid, LOGGER_DEBUG);
+               return(array());
+       }
+
+       $page_owner_nick  = $r[0]['nickname'];
+
+//     To-Do:
+//     $default_cid      = $r[0]['id'];
+//     $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
+
+       if ((strlen($imagedata) == 0) AND ($url == "")) {
+               logger("No image data and no url provided", LOGGER_DEBUG);
+               return(array());
+       } elseif (strlen($imagedata) == 0) {
+               logger("Uploading picture from ".$url, LOGGER_DEBUG);
+
+               $stamp1 = microtime(true);
+               $imagedata = @file_get_contents($url);
+               $a->save_timestamp($stamp1, "file");
+       }
+
+       $maximagesize = get_config('system','maximagesize');
+
+        if(($maximagesize) && (strlen($imagedata) > $maximagesize)) {
+               logger("Image exceeds size limit of ".$maximagesize, LOGGER_DEBUG);
+               return(array());
+        }
+
+/*
+        $r = q("select sum(octet_length(data)) as total from photo where uid = %d and scale = 0 and album != 'Contact Photos' ",
+                intval($uid)
+        );
+
+        $limit = service_class_fetch($uid,'photo_upload_limit');
+
+        if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
+               logger("Image exceeds personal limit of uid ".$uid, LOGGER_DEBUG);
+               return(array());
+        }
+*/
+
+       $tempfile = tempnam(get_temppath(), "cache");
+
+       $stamp1 = microtime(true);
+       file_put_contents($tempfile, $imagedata);
+       $a->save_timestamp($stamp1, "file");
+
+       $data = getimagesize($tempfile);
+
+       if (!isset($data["mime"])) {
+               unlink($tempfile);
+               logger("File is no picture", LOGGER_DEBUG);
+               return(array());
+       }
+
+       $ph = new Photo($imagedata, $data["mime"]);
+
+       if(!$ph->is_valid()) {
+               unlink($tempfile);
+               logger("Picture is no valid picture", LOGGER_DEBUG);
+               return(array());
+       }
+
+       $ph->orient($tempfile);
+       unlink($tempfile);
+
+       $max_length = get_config('system','max_image_length');
+       if(! $max_length)
+               $max_length = MAX_IMAGE_LENGTH;
+       if($max_length > 0)
+               $ph->scaleImage($max_length);
+
+       $width = $ph->getWidth();
+       $height = $ph->getHeight();
+
+       $hash = photo_new_resource();
+
+       $smallest = 0;
+
+       // Pictures are always public by now
+       //$defperm = '<'.$default_cid.'>';
+       $defperm = "";
+       $visitor   = 0;
+
+       $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
+
+       if(!$r) {
+               logger("Picture couldn't be stored", LOGGER_DEBUG);
+               return(array());
+       }
+
+       $image = array("page" => $a->get_baseurl().'/photos/'.$page_owner_nick.'/image/'.$hash,
+                       "full" => $a->get_baseurl()."/photo/{$hash}-0.".$ph->getExt());
+
+       if($width > 800 || $height > 800)
+               $image["large"] = $a->get_baseurl()."/photo/{$hash}-0.".$ph->getExt();
+
+       if($width > 640 || $height > 640) {
+               $ph->scaleImage(640);
+               $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
+               if($r)
+                       $image["medium"] = $a->get_baseurl()."/photo/{$hash}-1.".$ph->getExt();
+       }
+
+       if($width > 320 || $height > 320) {
+               $ph->scaleImage(320);
+               $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
+               if($r)
+                       $image["small"] = $a->get_baseurl()."/photo/{$hash}-2.".$ph->getExt();
+       }
+
+       if($width > 160 AND $height > 160) {
+               $x = 0;
+               $y = 0;
+
+               $min = $ph->getWidth();
+               if ($min > 160)
+                       $x = ($min - 160) / 2;
+
+               if ($ph->getHeight() < $min) {
+                       $min = $ph->getHeight();
+                       if ($min > 160)
+                               $y = ($min - 160) / 2;
+               }
+
+               $min = 160;
+               $ph->cropImage(160, $x, $y, $min, $min);
+
+               $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 3, 0, $defperm);
+               if($r)
+                       $image["thumb"] = $a->get_baseurl()."/photo/{$hash}-3.".$ph->getExt();
+       }
+
+       // Set the full image as preview image. This will be overwritten, if the picture is larger than 640.
+       $image["preview"] = $image["full"];
+
+       // Deactivated, since that would result in a cropped preview, if the picture wasn't larger than 320
+       //if (isset($image["thumb"]))
+       //      $image["preview"] = $image["thumb"];
+
+       // Unsure, if this should be activated or deactivated
+       //if (isset($image["small"]))
+       //      $image["preview"] = $image["small"];
+
+       if (isset($image["medium"]))
+               $image["preview"] = $image["medium"];
+
+       return($image);
+}
+