From 8230ffd6d0692311f4a9b47e24c92596440dccbb Mon Sep 17 00:00:00 2001
From: wangyidong <yidong@cnezsoft.com>
Date: Wed, 17 Feb 2016 16:22:24 +0800
Subject: [PATCH]  * finish task #2465.

---
 module/file/config.php  |   1 +
 module/file/control.php |  10 +++-
 module/file/model.php   | 111 +++++++++++++++++++++++++++++++++++++++-
 3 files changed, 120 insertions(+), 2 deletions(-)

diff --git a/module/file/config.php b/module/file/config.php
index d6ba555602..e05ead0dab 100644
--- a/module/file/config.php
+++ b/module/file/config.php
@@ -5,3 +5,4 @@ $config->file->mimes['csv']     = 'text/csv';
 $config->file->mimes['default'] = 'application/octet-stream';
 
 $config->file->imageExtensions = array('jpeg', 'jpg', 'gif', 'png');
+$config->file->imageFmt        = array('.jpg', '.bmp', '.jpeg');
diff --git a/module/file/control.php b/module/file/control.php
index 557fd1222b..3b8299f3ed 100644
--- a/module/file/control.php
+++ b/module/file/control.php
@@ -51,13 +51,21 @@ class file extends control
             if($file['size'] == 0) die(json_encode(array('error' => 1, 'message' => $this->lang->file->errorFileUpload)));
             if(@move_uploaded_file($file['tmpname'], $this->file->savePath . $file['pathname']))
             {
-                $url =  $this->file->webPath . $file['pathname'];
+                /* Compress image for jpg and bmp. */
+                $compressedImage = $this->file->compressImage($file['pathname']);
+                if($compressedImage)
+                {
+                    $file['pathname']   = $compressedImage['pathname'];
+                    $file['extension']  = $compressedImage['extension'];
+                    $file['size']       = $compressedImage['size'];
+                }
 
                 $file['addedBy']    = $this->app->user->account;
                 $file['addedDate']  = helper::today();
                 unset($file['tmpname']);
                 $this->dao->insert(TABLE_FILE)->data($file)->exec();
 
+                $url = $this->file->webPath . $file['pathname'];
                 die(json_encode(array('error' => 0, 'url' => $url)));
             }
             else
diff --git a/module/file/model.php b/module/file/model.php
index 1d46dd47e8..f75a0cc1fe 100644
--- a/module/file/model.php
+++ b/module/file/model.php
@@ -78,6 +78,14 @@ class fileModel extends model
         {
             if($file['size'] == 0) continue;
             move_uploaded_file($file['tmpname'], $this->savePath . $file['pathname']);
+            $compressedImage = $this->compressImage($file['pathname']);
+            if($compressedImage)
+            {
+                $file['pathname']  = $compressedImage['pathname'];
+                $file['extension'] = $compressedImage['extension'];
+                $file['size']      = $compressedImage['size'];
+            }
+
             $file['objectType'] = $objectType;
             $file['objectID']   = $objectID;
             $file['addedBy']    = $this->app->user->account;
@@ -238,10 +246,11 @@ class fileModel extends model
             $realPathName= $this->savePath . $pathName;
             if(!is_dir(dirname($realPathName)))mkdir(dirname($realPathName));
             move_uploaded_file($file['tmpname'], $realPathName);
+            $this->compressImage($pathName);
 
             $fileInfo->addedBy   = $this->app->user->account;
             $fileInfo->addedDate = helper::now();
-            $fileInfo->size      = $file['size'];
+            $fileInfo->size      = filesize($realPathName);
             $this->dao->update(TABLE_FILE)->data($fileInfo)->where('id')->eq($fileID)->exec();
             return true;
         }
@@ -466,4 +475,104 @@ class fileModel extends model
         }
         return $data;
     }
+
+    /**
+     * Compress image 
+     * 
+     * @param  string    $pathName 
+     * @access public
+     * @return array
+     */
+    public function compressImage($pathName)
+    {
+        if(!extension_loaded('gd')) return false;
+
+        $fileName    = $this->savePath . $pathName;
+        $suffix      = strrchr($fileName, '.');
+        $lowerSuffix = strtolower($suffix);
+
+        if(!in_array($lowerSuffix, $this->config->file->imageFmt)) return false;
+
+        $quality        = 85;
+        $newSuffix      = '.jpg';
+        $compressedName = str_replace($suffix, $newSuffix, $pathName);
+
+        $res  = '';
+        if($lowerSuffix == '.bmp')
+        {
+            $res = $this->imagecreatefrombmp($fileName);
+        }
+        else
+        {
+            $res = imagecreatefromjpeg($fileName);
+        }
+
+        imagejpeg($res, $this->savePath . $compressedName, $quality);
+        if($fileName != $this->savePath . $compressedName) unlink($fileName);
+
+
+        return array('pathname' => $compressedName, 'extension' => ltrim($newSuffix, '.'), 'size' => filesize($this->savePath . $compressedName));
+    }
+
+    /**
+     * Read 24bit BMP files
+     * Author: de77
+     * Licence: MIT
+     * Webpage: de77.com
+     * Version: 07.02.2010
+     * Source : https://github.com/acustodioo/pic/blob/master/imagecreatefrombmp.function.php
+     * 
+     * @param  string    $filename 
+     * @access public
+     * @return resource
+     */
+    public function imagecreatefrombmp($filename) {
+        $f = fopen($filename, "rb");
+
+        //read header    
+        $header = fread($f, 54);
+        $header = unpack('c2identifier/Vfile_size/Vreserved/Vbitmap_data/Vheader_size/'.
+            'Vwidth/Vheight/vplanes/vbits_per_pixel/Vcompression/Vdata_size/'.
+            'Vh_resolution/Vv_resolution/Vcolors/Vimportant_colors', $header);
+
+        if ($header['identifier1'] != 66 or $header['identifier2'] != 77)
+            return false;
+
+        if ($header['bits_per_pixel'] != 24)
+            return false;
+
+        $wid2 = ceil((3 * $header['width']) / 4) * 4;
+
+        $wid = $header['width'];
+        $hei = $header['height'];
+
+        $img = imagecreatetruecolor($header['width'], $header['height']);
+
+        //read pixels
+        for ($y = $hei - 1; $y >= 0; $y--) {
+            $row = fread($f, $wid2);
+            $pixels = str_split($row, 3);
+
+            for ($x = 0; $x < $wid; $x++) {
+                imagesetpixel($img, $x, $y, $this->dwordize($pixels[$x]));
+            }
+        }
+        fclose($f);
+        return $img;
+    }
+
+    /**
+     * Dwordize for imagecreatefrombmp 
+     * 
+     * @param  streing $str 
+     * @access private
+     * @return int
+     */
+    private function dwordize($str)
+    {
+        $a = ord($str[0]);
+        $b = ord($str[1]);
+        $c = ord($str[2]);
+        return $c * 256 * 256 + $b * 256 + $a;
+    }
 }