ueditor编辑器本地上传图片添加水印 远程抓取图片添加水印
php添加水印的函数，收集ueditor编辑器添加水印的代码，然后整合在一起，相关的操作如下：
1.打开ueditor目录下的php目录下的config.json
1.1
/* 前后端通信相关的配置,注释只允许使用多行方式 */
{
/* 上传图片配置项 */
"iswatermark": "true",/*******************新增图片水印设置 这里是新增*/
"imageActionName": "uploadsimage", /* 执行上传图片的action名称 */
"imageFieldName": "upfile", /* 提交的图片表单名称 */
"imageMaxSize": 2048000, /* 上传大小限制，单位B */
"imageAllowFiles": [".png", ".jpg", ".jpeg", ".gif", ".bmp"], /* 上传图片格式显示 */
"imageCompressEnable": true, /* 是否压缩图片,默认是true */
"imageCompressBorder": 1600, /* 图片压缩最长边限制 */
"imageInsertAlign": "none", /* 插入的图片浮动方式 */
"imageUrlPrefix": "", /* 图片访问路径前缀 */
"imagePathFormat": "/uploads/{yyyy}{mm}{dd}/{time}{rand:6}", /* 上传保存路径,可以自定义保存路径和文件名格式 */
//....后面代码省略
2.打开ueditor目录下的php目录下的action_upload.php文件，搜索代码：
2.1
在“break;”前添加：$watermark =
<?php
/**
* 上传附件和上传视频
* User: Jinqn
* Date: 14-04-09
* Time: 上午10:17
*/
include "uploadser.class.php";
/* 上传配置 */
$base64 = "uploads";
switch (htmlspecialchars($_GET['action'])) {
case 'uploadsimage':
$config = array(
"pathFormat" => $CONFIG['imagePathFormat'],
"maxSize" => $CONFIG['imageMaxSize'],
"allowFiles" => $CONFIG['imageAllowFiles']
);
$watermark = $CONFIG['iswatermark']; //************************新增读取参数
$fieldName = $CONFIG['imageFieldName'];
break;
case 'uploadsscrawl':
// 后面代码省略2.2
$up = new Uploader($fieldName, $config, $base64);
把它改成：$up = new Uploader($fieldName, $config, $base64, $watermark);
/* 生成上传实例对象并完成上传 */ $up = new uploadser($fieldName, $config, $base64,$watermark); // 最后的参数是新增
3.这是最后一步，也是最重要的一步。打开ueditor目录下的php目录下的Uploader.class.php文件。
3.1
class uploadser
{
private $water; //是否添加水印(属性) *******************新增3.2
public function __construct($fileField, $config, $type = "uploads",$watermark = false)
{
$this->water = $watermark;
$this->fileField = $fileField;
$this->config = $config;
$this->type = $type;
if ($type == "remote") {
$this->saveRemote();
} else if($type == "base64") {
$this->upBase64();
} else {
$this->upFile();
}
$this->stateMap['ERROR_TYPE_NOT_ALLOWED'] = iconv('unicode', 'utf-8', $this->stateMap['ERROR_TYPE_NOT_ALLOWED']);
}3.3
public function __construct($fileField, $config, $type = "uploads",$watermark = false)
{
$this->water = $watermark;
$this->fileField = $fileField;
$this->config = $config;
$this->type = $type;3.4
if( $this->water ){
//移动文件
if (!(move_uploadsed_file($file["tmp_name"], $this->filePath) && file_exists($this->filePath))) { //移动失败
$this->stateInfo = $this->getStateInfo("ERROR_FILE_MOVE");
} else { //移动成功
$this->stateInfo = $this->stateMap[0];
}
//********************新增
if( $this->water ){
$this->watermark($this->filePath,$this->filePath);
}3.5
/*
* 图片加水印
* $source string 图片资源
* $target string 添加水印后的名字
* $w_pos int 水印位置 具体看代码
* $w_img string 水印图片路径
* $w_text string 显示的文字
* $w_font int 字体大小
* $w_color string 字体颜色
*/
private function watermark($source, $target = '', $w_pos = '', $w_img = '', $w_text = 'byyc.net',$w_font = 10, $w_color = '#CC0000') {
$this->w_img = '../watermark.png';//水印图片
$this->w_pos = 9;
$this->w_minwidth = 400;//最少宽度
$this->w_minheight = 200;//最少高度
$this->w_quality = 80;//图像质量
$this->w_pct = 85;//透明度
$w_pos = $w_pos ? $w_pos : $this->w_pos;
$w_img = $w_img ? $w_img : $this->w_img;
if(!$this->check($source)) return false;
if(!$target) $target = $source;
$source_info = getimagesize($source);//图片信息
$source_w = $source_info[0];//图片宽度
$source_h = $source_info[1];//图片高度
if($source_w < $this->w_minwidth || $source_h < $this->w_minheight) return false;
switch($source_info[2]) { //图片类型
case 1 : //GIF格式
$source_img = imagecreatefromgif($source);
break;
case 2 : //JPG格式
$source_img = imagecreatefromjpeg($source);
break;
case 3 : //PNG格式
$source_img = imagecreatefrompng($source);
//imagealphablending($source_img,false); //关闭混色模式
imagesavealpha($source_img,true); //设置标记以在保存 PNG 图像时保存完整的 alpha 通道信息（与单一透明色相反）
break;
default :
return false;
}
if(!empty($w_img) && file_exists($w_img)) { //水印图片有效
$ifwaterimage = 1; //标记
$water_info = getimagesize($w_img);
$width = $water_info[0];
$height = $water_info[1];
switch($water_info[2]) {
case 1 :
$water_img = imagecreatefromgif($w_img);
break;
case 2 :
$water_img = imagecreatefromjpeg($w_img);
break;
case 3 :
$water_img = imagecreatefrompng($w_img);
imagealphablending($w_img,false);
imagesavealpha($w_img,true);
break;
default :
return;
}
}else{
$ifwaterimage = 0;
$temp = imagettfbbox(ceil($w_font*2.5), 0, '../../texb.ttf', $w_text); //imagettfbbox返回一个含有 8 个单元的数组表示了文本外框的四个角
$width = $temp[2] - $temp[6];
$height = $temp[3] - $temp[7];
unset($temp);
}
switch($w_pos) {
case 1:
$wx = 5;
$wy = 5;
break;
case 2:
$wx = ($source_w - $width) / 2;
$wy = 0;
break;
case 3:
$wx = $source_w - $width;
$wy = 0;
break;
case 4:
$wx = 0;
$wy = ($source_h - $height) / 2;
break;
case 5:
$wx = ($source_w - $width) / 2;
$wy = ($source_h - $height) / 2;
break;
case 6:
$wx = $source_w - $width;
$wy = ($source_h - $height) / 2;
break;
case 7:
$wx = 0;
$wy = $source_h - $height;
break;
case 8:
$wx = ($source_w - $width) / 2;
$wy = $source_h - $height;
break;
case 9:
$wx = $source_w - ($width+5);
$wy = $source_h - ($height+5);
break;
case 10:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
break;
default:
$wx = rand(0,($source_w - $width));
$wy = rand(0,($source_h - $height));
............................................................
4.别以为这就完事了，做程序员不但要聪明，而且还要
4.1
远程抓取图片时，自动添加水印的方法如下：
在以上的基础上需要修改三个文件
源文件可以下研究
如果只需要本地上传添加水印功能，可以查看：http://www.jincong.net/Technology/install/1633.html
感谢