1 files changed, 136 insertions, 0 deletions

diff --git a/inc/3rdparty/libraries/send2kindle/images.php b/inc/3rdparty/libraries/send2kindle/images.php
new file mode 100644
index 00000000..63f0562a
--- /dev/null
+++ b/inc/3rdparty/libraries/send2kindle/images.php
@@ -0,0 +1,136 @@
+<?php
+
+/**
+ * Get images from content and prepare to save in articles
+ */
+class Images {
+
+    /**
+     * JPER quality for resize
+     */
+    const JPEG_QUALITY = 80;
+
+    /**
+     * Articles content
+     * @var string
+     */
+    private $_content;
+
+    /**
+     * Storage to keep images
+     * @var object Storage
+     */
+    private $_storage;
+
+    /**
+     * images from content
+     * @var array
+     */
+    private $_images_from_content = array();
+
+    /**
+     * Prepare get images
+     * @param Strage $storage
+     * @param string $article_content
+     */
+    public function __construct(Storage $storage, $article_content)
+    {
+        $this->_storage = $storage;
+        $this->_content = $article_content;
+        $this->_images_from_content = $this->_get_images_from_content($article_content);
+    }
+
+    /**
+     * get images from url
+     * @param string $content
+     * @return array images hashtable
+     */
+    private function _get_images_from_content($content)
+    {
+        $result = array();
+        preg_match_all('/src=\"([a-zA-Z0-9\.\/\-\_\?\+\%\~\&\;\=\:]+)\"/i', $content, $result);
+
+        return $result[1];
+    }
+
+    /**
+     * Start conversion
+     * @return string converted content
+     */
+    public function convert()
+    {
+        foreach ( $this->_images_from_content as $n => $image_url )
+        {
+            $image = $this->_get_image($image_url);
+            $this->_content = str_replace($image_url, '" recindex="'.(int)basename($image), $this->_content);
+        }
+
+        return $this->_content;
+    }
+
+    /**
+     * Resize image
+     * @param string $file path
+     * @param int $new_width max width
+     */
+    private function _resize($file, $new_width = 500)
+    {
+        list($width, $height) = getimagesize($file);
+
+        $new_height = 0;
+
+        //setup the new size of the image
+        if( $width > $new_width )
+        {
+            $ratio = $height/$width;
+            $new_height = $new_width * $ratio;
+        }
+        else
+        {
+            $new_width = $width;
+            $new_height = $height;
+        }
+
+        // resample the image        
+        $new_image = imagecreatetruecolor($new_width, $new_height);        
+        
+        $type = exif_imagetype ( $file );
+
+        switch ( $type )
+        {
+            case IMAGETYPE_JPEG:
+                $old_image = imagecreatefromjpeg($file);
+                imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+                imagejpeg($new_image, $file, self::JPEG_QUALITY);
+                break;
+            case IMAGETYPE_PNG:
+                $old_image = imagecreatefrompng($file);
+                imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+                imagepng($new_image, $file);
+                break;
+            case IMAGETYPE_GIF:
+                $old_image = imagecreatefromgif($file); 
+                imagecopyresampled($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
+                imagegif($new_image, $file);
+                break;
+        }
+    }
+
+    /**
+     * Resize image
+     * @return string image path
+     */
+    private function _get_image($url)
+    {
+        $image_data = @file_get_contents($url);
+
+        if ( $image_data !== false )
+        {
+            $image_name = $this->_storage->save_image($image_data);
+            $this->_resize($image_name);
+
+            return $image_name;
+        }
+    }
+
+}
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