lib/thumb/thumb.imagemagick.php

   1 <?php\r
   2 /**\r
   3  * Thumbnail Generate API: ImageMagick Wrapper\r
   4  *\r
   5  * 提供程式便於以 ImageMagick 命令列生成預覽圖的物件\r
   6  *\r
   7  * @package PMCLibrary\r
   8  * @version $Id: thumb.imagemagick.php 496 2007-08-05 11:16:12Z scribe $\r
   9  * @date $Date: 2007-08-05 19:16:12 +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 = 'convert'; // ImageMagick "convert" Binary Location\r
  21         }\r
  22 \r
  23         function getClass(){\r
  24                 $str = 'ImageMagick Wrapper';\r
  25                 if($this->isWorking()){\r
  26                         $a = null;\r
  27                         preg_match('/^Version: ImageMagick (.*?) [hf]/', `$this->_exec -version`, $a);\r
  28                         $str .= ' : '.$a[1];\r
  29                         unset($a);\r
  30                 }\r
  31                 return $str;\r
  32         }\r
  33 \r
  34         function isWorking(){\r
  35                 if(!function_exists('exec')) return false;\r
  36                 @exec("$this->_exec -version", $status, $retval);\r
  37                 return ($retval===0);\r
  38         }\r
  39 \r
  40         function setThumbnailConfig($thumbWidth, $thumbHeight, $thumbQuality=50){\r
  41                 $this->thumbWidth = $thumbWidth;\r
  42                 $this->thumbHeight = $thumbHeight;\r
  43                 $this->thumbQuality = $thumbQuality;\r
  44         }\r
  45 \r
  46         function makeThumbnailtoFile($destFile){\r
  47                 if(!$this->isWorking()) return false;\r
  48                 $CLI = "$this->_exec -thumbnail {$this->thumbWidth}x{$this->thumbHeight} -quality $this->thumbQuality \"$this->sourceFile\" \"$destFile\"";\r
  49                 @exec($CLI);\r
  50                 return true;\r
  51         }\r
  52 }\r
  53 ?>