正在阅读:用.net实现按透明度生成水印文件用.net实现按透明度生成水印文件

2004-09-22 10:16 出处:CSDN 作者:zhgroup 责任编辑:linjixiong

  
  说明:生成水印,可按左上、左下、右上、右下、居中、透明度生成文件,只对jpeg或jpg格式有效!
  作者:Blue.Dream
  



  using System;
  using System.Drawing;
  using System.Drawing.Imaging;
  using System.Collections;
  using System.ComponentModel;
  using System.Windows.Forms;
  using System.Data;
  using System.IO;

  namespace test
  {
  /// <summary>
  /// Form1 的摘要说明。
  /// </summary>
  public class Form1 : System.Windows.Forms.Form
  {
  //声明加密字符生成的随机数的位数
  public const int LENGTH = 32;
  //声明加密字符前后的分隔长度
  public const int LEN = 4;
  private System.Windows.Forms.GroupBox groupBox1;
  private System.Windows.Forms.GroupBox groupBox2;
  private System.Windows.Forms.Button btn_Browser;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.PictureBox imgSource;
  private System.Windows.Forms.PictureBox imgObject;
  private System.Windows.Forms.PictureBox imgWater;
  private System.Windows.Forms.Button btn_Water;
  private string SourceFile;
  private string WaterFile;
  private string SaveFile;
  private System.Windows.Forms.TextBox alpha;
  private System.Windows.Forms.Label label1;
  private System.Windows.Forms.Label label2;
  private System.Windows.Forms.GroupBox groupBox3;
  private System.Windows.Forms.ComboBox local;
  /// <summary>
  /// 必需的设计器变量。
  /// </summary>
  private System.ComponentModel.Container components = null;


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