c#给图片加水印源码支持9个位置

通用水印，支持9个位置，内部封装了helper，具体看案例和demo

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace WaterMarkAPP
{
    /// 

    /// App.xaml 的交互逻辑
    /// 

    public partial class App : Application
    {
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\
     文件        2906  2015-12-10 08:44  WaterMarkAPP-master\.gitignore
     文件        1076  2015-12-10 08:44  WaterMarkAPP-master\LICENSE
     文件         983  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP.sln
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\
     文件       99678  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\1.ico
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\APIDemo\
     文件         839  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\APIDemo\WaterMarkAPI.xaml
     文件        2598  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\APIDemo\WaterMarkAPI.xaml.cs
     文件         178  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\App.config
     文件         412  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\App.xaml
     文件         322  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\App.xaml.cs
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Common\
     文件        1503  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Common\Jsonhelper.cs
     文件        9765  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Common\WaterMarkHelper.cs
     文件         191  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\DNTConfig.json
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Enums\
     文件        1109  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Enums\WaterMarkLocationEnum.cs
     文件         510  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Enums\WaterMarkTypeEnum.cs
     文件        3245  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\MainWindow.xaml
     文件       11246  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\MainWindow.xaml.cs
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Model\
     文件        3215  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Model\WaterMark.cs
     文件        1204  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Model\WaterMarkConfig.cs
     目录           0  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\
     文件        2427  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\AssemblyInfo.cs
     文件        2801  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\Resources.Designer.cs
     文件        5496  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\Resources.resx
     文件        1086  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\Settings.Designer.cs
     文件         195  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\Properties\Settings.settings
     文件        5680  2015-12-10 08:44  WaterMarkAPP-master\WaterMarkAPP\WaterMarkAPP.csproj
............此处省略1个文件信息