image 合并

 

编译环境：VS 2003

语言：C#

描述：三tif文件:a.tif(two pages),b.tif(three pages),c.tif(two pages)

合并为net.tif(seven pages)

代码：

………………………………………

using System;

using System.IO;

using System.Drawing;

using System.Drawing.Imaging;

using System.Collections;

using System.Runtime.InteropServices;

 

namespace WF.lib

{

     ///<summary>

     /// ManagerImage 的摘要说明。

     ///</summary>

     public class ManagerImage// : IDisposable

     {

//       private Image image;

         public ManagerImage()

         {

              //

              // TODO: 在此处添加构造函数逻辑

              //

         }

 

//       public ManagerImage(string imageFileName)

//       {

//            image = Image.FromFile(imageFileName);

//       }

///<summary>

/// get file page number

///</summary>

///<param name="image"></param>

///<returns></returns>

         private int GetPageNumber(string imageFileName)

         {

              int imgPageNumber;

              Image image = Image.FromFile(imageFileName);

              Guid objGuid = image.FrameDimensionsList[0];

              FrameDimension objDimension = new FrameDimension(objGuid);

              //gets the total number of frames in the .tiff file

              imgPageNumber = image.GetFrameCount(objDimension);

              image.Dispose();

              return imgPageNumber;

         }

        

         ///<summary>

         /// Read the image base string,

         /// Assert(GetFileNameStartString(@"c:/test/abc.tif"),"abc")

         ///</summary>

         ///<param name="strFullName"></param>

         ///<returns>file name</returns>

         private string GetFileNameStartString(string strFullName)

         {

              //jason 2007-02-13 modify

              int posDot=strFullName.LastIndexOf(".");

              int posSlash=strFullName.LastIndexOf(@"/");

              //            int posDot=_ImageFileName.LastIndexOf(".");

              //            int posSlash=_ImageFileName.LastIndexOf(@"/");

              //            return _ImageFileName.Substring(posSlash+1,posDot-posSlash-1);

              return strFullName.Substring(posSlash+1,posDot-posSlash-1);

         }

 

        

         ///<summary>

         /// This function will output the image to a TIFF file with specific compression format

         ///</summary>

         ///<param name="outPutDirectory">The splited images' directory</param>

         ///<param name="format">The codec for compressing</param>

         ///<returns>splited file name array list</returns>

         public ArrayList SplitTiffImage(string outPutDirectory,EncoderValue format,string strFileName)

         {

              Image image;

              image = Image.FromFile(strFileName);

 

              string fileStartString=outPutDirectory+"//"+GetFileNameStartString(strFileName);

              ArrayList splitedFileNames=new ArrayList();

              try

              {

                   //jason 2007-012-13

                   int imagePageNum = GetPageNumber(strFileName);

                   Guid objGuid=image.FrameDimensionsList[0];

                   FrameDimension objDimension=new FrameDimension(objGuid);

 

                   //Saves every frame as a separate file.

                   Encoder enc=Encoder.Compression;

                   int curFrame=0;

                   for (int i=0;i<imagePageNum;i++)

                   {

                       image.SelectActiveFrame(objDimension,curFrame);

                       EncoderParameters ep=new EncoderParameters(1);

                       ep.Param[0]=new EncoderParameter(enc,(long)format);

                       ImageCodecInfo info=GetEncoderInfo("image/tiff");

                      

                       //Save the master bitmap

                       string fileName=string.Format("{0}{1}.tif",fileStartString,i.ToString());

                       image.Save(fileName,info,ep);

                       splitedFileNames.Add(fileName);

 

                       curFrame++;

                   }   

                   image.Dispose();

              }

              catch (Exception)

              {

                   throw;

              }

              return splitedFileNames;

         }

 

        

         ///<summary>

         /// This function will join the TIFF file with a specific compression format

         ///</summary>

         ///<param name="imageFiles">string array with source image files</param>

         ///<param name="outFile">target TIFF file to be produced</param>

         ///<param name="compressEncoder">compression codec enum</param>

         public void JoinTiffImages(string[] imageFiles,string outFile,EncoderValue compressEncoder)

         {

              try

              {

                   //If only one page in the collection, copy it directly to the target file.

                   if (imageFiles.Length==1)

                   {

                       File.Copy(imageFiles[0],outFile,true);

                       return;

                   }

 

                   //use the save encoder

                   Encoder enc=Encoder.SaveFlag;

 

                   EncoderParameters ep=new EncoderParameters(2);

                   ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.MultiFrame);

                   ep.Param[1] = new EncoderParameter(Encoder.Compression,(long)compressEncoder);

 

                   Bitmap pages=null;

                   int frame=0;

                   ImageCodecInfo info=GetEncoderInfo("image/tiff");

 

 

                   foreach(string strImageFile in imageFiles)

                   {

                       if(frame==0)

                       {

                            pages=(Bitmap)Image.FromFile(strImageFile);

 

                            //save the first frame

                            pages.Save(outFile,info,ep);

                       }

                       else

                       {

                            //save the intermediate frames

                            ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.FrameDimensionPage);

 

                            Bitmap bm=(Bitmap)Image.FromFile(strImageFile);

                            pages.SaveAdd(bm,ep);

                       }       

 

                       if(frame==imageFiles.Length-1)

                       {

                            //flush and close.

                            ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.Flush);

                            pages.SaveAdd(ep);

                       }

                       frame++;

                   }

              }

              catch (Exception)

              {

                   throw;

              }

              return;

         }

 

        

         ///<summary>

         /// This function will join the TIFF file with a specific compression format

         ///</summary>

         ///<param name="imageFiles">array list with source image files</param>

         ///<param name="outFile">target TIFF file to be produced</param>

         ///<param name="compressEncoder">compression codec enum</param>

         public void JoinTiffImages(ArrayList imageFiles,string outFile,EncoderValue compressEncoder)

         {

              try

              {

                   //If only one page in the collection, copy it directly to the target file.

                   if (imageFiles.Count==1)

                   {

                       File.Copy((string)imageFiles[0],outFile,true);

                       return;

                   }

 

                   //use the save encoder

                   Encoder enc=Encoder.SaveFlag;

 

                   EncoderParameters ep=new EncoderParameters(2);

                   ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.MultiFrame);

                   ep.Param[1] = new EncoderParameter(Encoder.Compression,(long)compressEncoder);

 

                   Bitmap pages=null;

                   int frame=0;

                   ImageCodecInfo info=GetEncoderInfo("image/tiff");

 

 

                   foreach(string strImageFile in imageFiles)

                   {

                       if(frame==0)

                       {

                            pages=(Bitmap)Image.FromFile(strImageFile);

 

                            //save the first frame

                            pages.Save(outFile,info,ep);

                       }

                       else

                       {

                            //save the intermediate frames

                            ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.FrameDimensionPage);

 

                            Bitmap bm=(Bitmap)Image.FromFile(strImageFile);

                            pages.SaveAdd(bm,ep);

                            bm.Dispose();

                       }       

 

                       if(frame==imageFiles.Count-1)

                       {

                            //flush and close.

                            ep.Param[0]=new EncoderParameter(enc,(long)EncoderValue.Flush);

                            pages.SaveAdd(ep);

                       }

 

                       frame++;

                   }

                   pages.Dispose();

              }

              catch (Exception ex)

              {

#if DEBUG

                   Console.WriteLine(ex.Message);

#endif

                   throw;

              }

             

              return;

         }

 

         ///<summary>

         /// Getting the supported codec info.

         ///</summary>

         ///<param name="mimeType">description of mime type</param>

         ///<returns>image codec info</returns>

         private ImageCodecInfo GetEncoderInfo(string mimeType)

         {

              ImageCodecInfo[] encoders=ImageCodecInfo.GetImageEncoders();

              for (int j=0;j<encoders.Length;j++)

              {

                   if (encoders[j].MimeType==mimeType)

                   {

                       return encoders[j];

                   }

              }

             

              throw new Exception( mimeType + " mime type not found in ImageCodecInfo" );

         }

 

        

         ///<summary>

         /// Return the memory steam of a specific page

         ///</summary>

         ///<param name="pageNumber">page number to be extracted</param>

         ///<returns>image object</returns>

         public Image GetSpecificPage(int pageNumber,string imageFileName)

         {

              Image image;

              image = Image.FromFile(imageFileName);

              MemoryStream ms=null;

              Image retImage=null;

              try

              {

                   ms=new MemoryStream();

                   Guid objGuid=image.FrameDimensionsList[0];

                   FrameDimension objDimension=new FrameDimension(objGuid);

 

                   image.SelectActiveFrame(objDimension,pageNumber);

                   image.Save(ms,ImageFormat.Bmp);

                  

                   retImage=Image.FromStream(ms);

                   image.Dispose();

                   return retImage;

              }

              catch (Exception)

              {

                   ms.Close();

                   retImage.Dispose();

                   throw;

              }

         }

///<summary>

/// get join iamge

/// Jason 2007-02-15

///</summary>

///<param name="imageFiles">file arraylist</param>

///<param name="splitedFileDir">split file temp dir</param>

///<param name="outputDir">join image directory</param>

///<returns>join image full name</returns>

         public string GetImage(ArrayList imageFiles, string splitedFileDir,string outputDir)

         {

              string rtnImageFile = "", outputFileName = "";

              ArrayList imageList = new ArrayList();

              //no file

              if(imageFiles.Count == 0)

              {

                   return "";

              }

              //get outputFileName

              outputFileName = GetFileNameStartString(imageFiles[0].ToString())+DateTime.Now.ToString("yyMMddHHss");

              rtnImageFile = outputDir+"//"+outputFileName+".tif";

              //delete null value

              for(int i=0;i<imageFiles.Count;i++)

              {

                   if(imageFiles[i].ToString().Equals(""))

                   {

                       imageFiles.RemoveAt(i);

                   }

              }

              //split image files

              //onel one file

              if(imageFiles.Count == 1)

              {

                   File.Copy(imageFiles[0].ToString(),rtnImageFile,true);

                   return rtnImageFile;

              }

              //more than one file

              for(int i=0;i<imageFiles.Count;i++)

              {

                   imageList.AddRange(SplitTiffImage(splitedFileDir,System.Drawing.Imaging.EncoderValue.CompressionNone,imageFiles[i].ToString()));

              }

              JoinTiffImages(imageList,rtnImageFile,System.Drawing.Imaging.EncoderValue.CompressionNone);

 

              return rtnImageFile;

         }

 

         #region IDisposable Members

         public void Dispose()

         {

//            //jason add

//            if(image != null)

//                 image.Dispose();

              System.GC.SuppressFinalize(this);

         }

         #endregion

        

     }

}

…………………………..

引用类：

ManagerImage manImage = new ManagerImage();

             

              ArrayList fileListA = new ArrayList();

//            ArrayList fileListB = new ArrayList();

              fileListA = manImage.SplitTiffImage(@"C:/itweb_src/WF/image/temp",System.Drawing.Imaging.EncoderValue.CompressionNone,@"C:/itweb_src/WF/image/body.tif");

              fileListA.AddRange(manImage.SplitTiffImage(@"C:/itweb_src/WF/image/temp",System.Drawing.Imaging.EncoderValue.CompressionNone,@"C:/itweb_src/WF/image/body_2.tif"));

//            fileListB = manImage.SplitTiffImage(@"C:/itweb_src/WF/image/temp",System.Drawing.Imaging.EncoderValue.CompressionNone,@"C:/itweb_src/WF/image/body_2.tif");

//            fileListA.AddRange(fileListB);

              string outFileName = @"C:/itweb_src/WF/image/new.tif";

//            string outFileNameB = @"C:/itweb_src/WF/image/newB.tif";

              manImage.JoinTiffImages(fileListA,outFileName,System.Drawing.Imaging.EncoderValue.CompressionNone);

引用方法二：

code in page:.............

string splitedFileDir = Application.StartupPath.ToString()+"//image//_temp";

string outPutDir = Application.StartupPath.ToString()+"//image//data";

string outputFileName = "";

ArrayList fileList = new ArrayList();

fileList.Add(......filename);

 

ManagerImage manImage = new ManagerImage();

outputFileName = manImage.GetImage(fileList,splitedFileDir,outPutDir);

//release the resource

manImage.Dispose();

fileList.Clear();

..........................................