lib/thumb/thumb.magickwand.php

   1 <?php\r
   2 /**\r
   3  * Thumbnail Generate API: MagickWand Wrapper\r
   4  *\r
   5  * 提供程式便於以 MagickWand for PHP 生成預覽圖的物件\r
   6  *\r
   7  * @package PMCLibrary\r
   8  * @version $Id: thumb.magickwand.php 490 2007-07-26 14:36:47Z scribe $\r
   9  * @date $Date: 2007-07-26 22:36:47 +0800 (星期四, 26 七月 2007) $\r
  10  */\r
  11 \r
  12 class ThumbWrapper{\r
  13         var $sourceFile, $sourceWidth, $sourceHeight, $thumbWidth, $thumbHeight, $thumbQuality;\r
  14 \r
  15         function ThumbWrapper($sourceFile='', $sourceWidth=0, $sourceHeight=0){\r
  16                 $this->sourceFile = $sourceFile;\r
  17                 $this->sourceWidth = $sourceWidth;\r
  18                 $this->sourceHeight = $sourceHeight;\r
  19         }\r
  20 \r
  21         function getClass(){\r
  22                 $str = 'MagickWand Wrapper';\r
  23                 if($this->isWorking()){\r
  24                         $a = MagickGetVersion(); $b = $a[0];\r
  25                         $str .= ' : '.str_replace(strrchr($b, ' '), '', $b);\r
  26                         unset($a); unset($b);\r
  27                 }\r
  28                 return $str;\r
  29         }\r
  30 \r
  31         function isWorking(){\r
  32                 return extension_loaded('magickwand') && function_exists('MagickThumbnailImage');\r
  33         }\r
  34 \r
  35         function setThumbnailConfig($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                 $returnVal = false;\r
  43                 if(!$this->isWorking()) return false;\r
  44                 $image = NewMagickWand();\r
  45                 MagickReadImage($image, $this->sourceFile);\r
  46                 MagickSetImageCompressionQuality($image, $this->thumbQuality);\r
  47                 MagickThumbnailImage($image, $this->thumbWidth, $this->thumbHeight);\r
  48                 $returnVal = MagickWriteImage($image, $destFile);\r
  49                 unset($image);\r
  50                 return $returnVal;\r
  51         }\r
  52 }\r
  53 ?>