lib/thumb/thumb.repng2jpeg.php

   1 <?php\r
   2 /**\r
   3  * Thumbnail Generate API: Imagick Wrapper\r
   4  *\r
   5  * 提供程式便於以 repng2jpeg 生成預覽圖的物件\r
   6  *\r
   7  * @package PMCLibrary\r
   8  * @version $Id: thumb.repng2jpeg.php 497 2007-08-05 12:39:26Z scribe $\r
   9  * @date $Date: 2007-08-05 20:39:26 +0800 (星期日, 05 八月 2007) $\r
  10  */\r
  11 \r
  12 class ThumbWrapper{\r
  13         var $sourceFile, $sourceWidth, $sourceHeight, $thumbWidth, $thumbHeight, $thumbQuality;\r
  14         var $_exec;\r
  15 \r
  16         function ThumbWrapper($sourceFile='', $sourceWidth=0, $sourceHeight=0){\r
  17                 $this->sourceFile = $sourceFile;\r
  18                 $this->sourceWidth = $sourceWidth;\r
  19                 $this->sourceHeight = $sourceHeight;\r
  20                 $this->_exec = realpath('./repng2jpeg'.(strtoupper(substr(PHP_OS, 0, 3))==='WIN' ? '.exe' : ''));\r
  21         }\r
  22 \r
  23         function getClass(){\r
  24                 $str = 'repng2jpeg Wrapper';\r
  25                 if($this->isWorking()){\r
  26                         $str .= ' : '.`$this->_exec --version`;\r
  27                 }\r
  28                 return $str;\r
  29         }\r
  30 \r
  31         function isWorking(){\r
  32                 return file_exists($this->_exec) && function_exists('exec') && (strtoupper(substr(PHP_OS, 0, 3))==='WIN' || is_executable($this->_exec));\r
  33         }\r
  34 \r
  35         function setThumbnailConfig($thumbWidth, $thumbHeight, $thumbQuality=50){\r
  36                 $this->thumbWidth = $thumbWidth;\r
  37                 $this->thumbHeight = $thumbHeight;\r
  38                 $this->thumbQuality = $thumbQuality;\r
  39         }\r
  40 \r
  41         function makeThumbnailtoFile($destFile){\r
  42                 if(!$this->isWorking()) return false;\r
  43                 switch(strtolower(strrchr($this->sourceFile, '.'))){ // 取出副檔名\r
  44                         case '.jpg':\r
  45                         case '.gif':\r
  46                         case '.png':\r
  47                                 break; // 僅支援此三種格式\r
  48                         default:\r
  49                                 return false;\r
  50                 }\r
  51                 $CLI = "$this->_exec \"$this->sourceFile\" \"$destFile\" $this->thumbWidth $this->thumbHeight $this->thumbQuality";\r
  52                 @exec($CLI);\r
  53                 return true;\r
  54         }\r
  55 }\r
  56 ?>