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