给图片加版权信息

  1 using System;
  2 using System.Drawing;
  3 using System.Drawing.Imaging;
  4 using System.Windows.Forms;
  5
  6 namespace GraphicsCopyright
  7 {
  8       /// <summary>
  9       /// Summary description for Form1.
10       /// </summary>
11       public class Form1 : System.Windows.Forms.Form
12       {
13             Image originalimage;
14
15             private System.Windows.Forms.OpenFileDialog openFileDialog1;
16             private System.Windows.Forms.PictureBox pictureBox1;
17             private System.Windows.Forms.GroupBox groupBox1;
18         private System.Windows.Forms.Button btnAddCopyright;
19         private System.Windows.Forms.Button btnOpenFile;
20             /// <summary>
21             /// Required designer variable.
22             /// </summary>
23             private System.ComponentModel.Container components = null;
24
25             public Form1()
26             {
27                   //
28                   // Required for Windows Form Designer support
29                   //
30                   InitializeComponent();
31
32                   //
33                   // TODO: Add any constructor code after InitializeComponent call
34                   //
35             }
36
37             /// <summary>
38             /// Clean up any resources being used.
39             /// </summary>
40             protected override void Dispose( bool disposing )
41             {
42                   if( disposing )
43                   {
44                         if (components != null)
45                         {
46                               components.Dispose();
47                         }
48                   }
49                   base.Dispose( disposing );
50             }
51
52             #region Windows Form Designer generated code
53             /// <summary>
54             /// Required method for Designer support – do not modify
55             /// the contents of this method with the code editor.
56             /// </summary>
57             private void InitializeComponent()
58             {
59                   this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
60                   this.btnAddCopyright = new System.Windows.Forms.Button();
61                   this.btnOpenFile = new System.Windows.Forms.Button();
62                   this.pictureBox1 = new System.Windows.Forms.PictureBox();
63                   this.groupBox1 = new System.Windows.Forms.GroupBox();
64                   this.SuspendLayout();
65                   //
66                   // btnAddCopyright
67                   //
68                   this.btnAddCopyright.Enabled = false;
69                   this.btnAddCopyright.Location = new System.Drawing.Point(216, 240);
70                   this.btnAddCopyright.Name = “btnAddCopyright“;
71                   this.btnAddCopyright.Size = new System.Drawing.Size(164, 37);
72                   this.btnAddCopyright.TabIndex = 0;
73                   this.btnAddCopyright.Text = “添加版权信息“;
74                   this.btnAddCopyright.Click += new System.EventHandler(this.btnAddCopyright_Click);
75                   //
76                   // btnOpenFile
77                   //
78                   this.btnOpenFile.Location = new System.Drawing.Point(32, 240);
79                   this.btnOpenFile.Name = “btnOpenFile“;
80                   this.btnOpenFile.Size = new System.Drawing.Size(164, 37);
81                   this.btnOpenFile.TabIndex = 0;
82                   this.btnOpenFile.Text = “打开图像文件“;
83                   this.btnOpenFile.Click += new System.EventHandler(this.btnOpenFile_Click);
84                   //
85                   // pictureBox1
86                   //
87                   this.pictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
88                   this.pictureBox1.Location = new System.Drawing.Point(8, 0);
89                   this.pictureBox1.Name = “pictureBox1“;
90                   this.pictureBox1.Size = new System.Drawing.Size(400, 224);
91                   this.pictureBox1.TabIndex = 0;
92                   this.pictureBox1.TabStop = false;
93                   //
94                   // groupBox1
95                   //
96                   this.groupBox1.Location = new System.Drawing.Point(24, 224);
97                   this.groupBox1.Name = “groupBox1“;
98                   this.groupBox1.Size = new System.Drawing.Size(368, 64);
99                   this.groupBox1.TabIndex = 1;
100                   this.groupBox1.TabStop = false;
101                   //
102                   // Form1
103                   //
104                   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
105                   this.ClientSize = new System.Drawing.Size(416, 301);
106                   this.Controls.Add(this.pictureBox1);
107                   this.Controls.Add(this.btnAddCopyright);
108                   this.Controls.Add(this.btnOpenFile);
109                   this.Controls.Add(this.groupBox1);
110                   this.Name = “Form1“;
111                   this.Text = “给图像添加版权信息“;
112                   this.Load += new System.EventHandler(this.Form1_Load);
113                   this.ResumeLayout(false);
114
115             }
116             #endregion
117
118             /// <summary>
119             /// The main entry point for the application.
120             /// </summary>
121             [STAThread]
122             static void Main()
123             {
124                   Application.Run(new Form1());
125             }
126
127         private void btnOpenFile_Click(object sender, System.EventArgs e)
128         {
129             //Stream myStream;
130             OpenFileDialog openFileDialog1 = new OpenFileDialog();
131
132             openFileDialog1.InitialDirectory = “c:\\“ ;
133             openFileDialog1.Filter= “All files (*.*)|*.*“;
134             openFileDialog1.FilterIndex = 2 ;
135             openFileDialog1.RestoreDirectory = true ;
136
137             if(openFileDialog1.ShowDialog() == DialogResult.OK)
138             {
139                 originalimage = System.Drawing.Image.FromFile(openFileDialog1.FileName.ToString());
140                 Image ithumbnail = originalimage.GetThumbnailImage(200, 200, null, new IntPtr());
141                 pictureBox1.Image=ithumbnail;
142                 btnAddCopyright.Enabled = true;
143             }
144         }
145
146         private void btnAddCopyright_Click(object sender, System.EventArgs e)
147         {
148             int imagewidth;
149             int imageheight;
150             int fontsize=300;
151             int x,y;
152             int a,re,gr,bl,x1,y1,z1;
153             int size;
154             Bitmap pattern;
155             SizeF sizeofstring;
156             bool foundfont;
157             imagewidth=originalimage.Width;
158             imageheight=originalimage.Height;
159             size=imagewidth*imageheight;
160             pattern = new Bitmap(imagewidth,imageheight);
161             Bitmap temp = new Bitmap(originalimage);
162             Graphics g = Graphics.FromImage(pattern);
163             Graphics tempg =Graphics.FromImage(originalimage);
164             //find a font size that will fit in the bitmap
165             foundfont=false;
166             g.Clear(Color.White);
167             while(foundfont==false)
168             {
169                 Font fc = new Font(“Georgia“, fontsize, System.Drawing.FontStyle.Bold);
170
171                 sizeofstring=new SizeF(imagewidth,imageheight);
172                 sizeofstring=g.MeasureString(“DOTNET“,fc);
173                 if (sizeofstring.Width<pattern.Width)
174                 {
175                     if (sizeofstring.Height<pattern.Height)
176                     {
177                         foundfont=true;
178                         g.DrawString(“DOTNET“, fc, new SolidBrush(Color.Black),1,1);
179                     }
180
181                 }
182                 else
183                     fontsize=fontsize–1;
184             }
185             MessageBox.Show(“已创建新文件“,“给图像添加版权信息“);
186             for(x=1;x<pattern.Width;x++)
187             {
188                 for(y=1;y<pattern.Height;y++)//
189                 {
190                     if (pattern.GetPixel(x,y).ToArgb()==Color.Black.ToArgb())
191                     {
192                         a=temp.GetPixel(x,y).A;
193                         re=temp.GetPixel(x,y).R;
194                         gr=temp.GetPixel(x,y).G;
195                         bl=temp.GetPixel(x,y).B;
196
197                         x1=re;
198                         y1=gr;
199                         z1=bl;
200
201                         if (bl+25<255)
202                             bl=bl+25;
203                         if (gr+25<255)
204                             gr=gr+25;
205                         if (re+25<255)
206                             re=re+25;
207                         if (x1–25>0)
208                             x1=x1–25;
209                         if (y1–25>0)
210                             y1=y1–25;
211                         if (z1–25>0)
212                             z1=z1–25;
213
214                         tempg.DrawEllipse(new Pen(new SolidBrush(Color.Black)),x,y+1,3,3);
215                         tempg.DrawEllipse(new Pen(new SolidBrush(Color.FromArgb(a,x1,y1,z1))),x,y,1,1);
216                     }
217                 }
218             }
219             MessageBox.Show(“输出文件是c:\\output.jpeg“,“给图像添加版权信息“);
220             tempg.Save();
221             originalimage.Save(“c:\\output.jpeg“,ImageFormat.Jpeg);
222         }
223
224             private void Form1_Load(object sender, System.EventArgs e)
225             {
226
227             }
228       }
229 }
230

本文链接：https://www.cnblogs.com/catbim/archive/2006/04/11/371842.html

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