PHP生成图片缩略图方法及代码 (4)

         $this->im = imagecreatefromgif( $this->srcimg);
        }
        if( $this->type=="png")
        {
             $this->im = imagecreatefrompng( $this->srcimg);
        }
    }
    //图象目标地址
    function dst_img( $dstpath)
    {
         $full_length  = strlen( $this->srcimg);

         $type_length  = strlen( $this->type);
         $name_length  =  $full_length- $type_length;

         $name         = substr( $this->srcimg,0, $name_length-1);
         $this->dstimg =  $dstpath;

//echo  $this->dstimg;
    }
}
 ?>