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66 lines
2.8 KiB
PHP
66 lines
2.8 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | TOPThink [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2010 http://topthink.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 麦当苗儿 <zuojiazi.cn@gmail.com> <http://www.zjzit.cn>
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// +----------------------------------------------------------------------
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// | ThinkImage.class.php 2013-03-05
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// +----------------------------------------------------------------------
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namespace Think;
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/* 缩略图相关常量定义 */
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define('THINKIMAGE_THUMB_SCALING', 1); //常量，标识缩略图等比例缩放类型
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define('THINKIMAGE_THUMB_FILLED', 2); //常量，标识缩略图缩放后填充类型
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define('THINKIMAGE_THUMB_CENTER', 3); //常量，标识缩略图居中裁剪类型
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define('THINKIMAGE_THUMB_NORTHWEST', 4); //常量，标识缩略图左上角裁剪类型
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define('THINKIMAGE_THUMB_SOUTHEAST', 5); //常量，标识缩略图右下角裁剪类型
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define('THINKIMAGE_THUMB_FIXED', 6); //常量，标识缩略图固定尺寸缩放类型
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/* 水印相关常量定义 */
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define('THINKIMAGE_WATER_NORTHWEST', 1); //常量，标识左上角水印
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define('THINKIMAGE_WATER_NORTH', 2); //常量，标识上居中水印
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define('THINKIMAGE_WATER_NORTHEAST', 3); //常量，标识右上角水印
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define('THINKIMAGE_WATER_WEST', 4); //常量，标识左居中水印
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define('THINKIMAGE_WATER_CENTER', 5); //常量，标识居中水印
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define('THINKIMAGE_WATER_EAST', 6); //常量，标识右居中水印
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define('THINKIMAGE_WATER_SOUTHWEST', 7); //常量，标识左下角水印
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define('THINKIMAGE_WATER_SOUTH', 8); //常量，标识下居中水印
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define('THINKIMAGE_WATER_SOUTHEAST', 9); //常量，标识右下角水印
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/**
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* 图片处理驱动类，可配置图片处理库
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* 目前支持GD库和imagick
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* @author 麦当苗儿 <zuojiazi.cn@gmail.com>
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*/
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class Image {
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/**
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* 图片资源
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* @var resource
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*/
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private static $im;
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/**
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* 构造方法，用于实例化一个图片处理对象
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* @param string $type 要使用的类库，默认使用GD库
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*/
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public function init($type = 'Gd', $imgname = null){
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/* 引入处理库，实例化图片处理对象 */
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$class = '\Think\Image\Driver\\'.ucwords($type);
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self::$im = new $class($imgname);
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return self::$im;
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}
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// 调用驱动类的方法
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static public function __callStatic($method, $params){
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if(empty(self::$im)) {
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self::init();
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}
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return call_user_func_array(array(self::$im, $method), $params);
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}
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} |