图像操作框架类

           这里封装了一个图像相关处理的框架类，主要用于一些图像处理。有些图像是多页的，需要拆分成单页来处理图像操作，最后将处理的结果都保存起来。图像操作比如边缘处理、图像分割、膨胀与腐蚀等图像处理算法这里不会讲解，这里只是封装了一个图像相关处理的类CImageOperator，图像文件格式判断、文件加载、多页拆分与合并无需关注，只需在函数ImageProcess中处理实际项目中用到一些图像算法。

      CImageOperator类内容如下：

ImageOperator.h

#pragma once/*图像相关操作类,主要用于一些图像处理 *功能包括：1、tif图像拆分与合并；2、图像多页处理；*/#include "unicode//ximage.h"#pragma comment(lib, "cximage_unicode.lib")//#pragma comment(lib, "j2k_unicode.lib")#pragma comment(lib, "jasper_unicode.lib")#pragma comment(lib, "jbig_unicode.lib")#pragma comment(lib, "Jpeg_unicode.lib")#pragma comment(lib, "png_unicode.lib")#pragma comment(lib, "Tiff_unicode.lib")#pragma comment(lib, "zlib_unicode.lib")#pragma comment(lib, "mng_unicode.lib")#pragma comment(lib, "libdcr_unicode.lib")#include <list>using namespace std;class CImageOperator{public:CImageOperator(void);~CImageOperator(void);/**功能说明：拆分TIF*参数说明：pSrcFileName，表示源图像文件名称；nNo，表示第几个页[从0开始]；dst，表示拆分后的目标图像；pFileName，表示生成拆分图像文件名称*返回值：bool类型。true,表示成功；flase，表示失败*/bool SplitTif(TCHAR *pSrcFileName,long nNo,CxImage *dst,TCHAR *pFileName=NULL);/**功能说明：合并TIF*参数说明：pSrcFileName，表示源图像文件名称；addImage，表示添加图像；nNo，表示在某位置插入图像(默认-1，表示从结尾插入图像)*返回值：bool类型。true,表示成功；flase，表示失败*/bool MergeAddTif(TCHAR *pSrcFileName,TCHAR *pAddFileName,long nNo=-1);/**功能说明：文件图像处理*参数说明：pSrcFileName，表示原始图像文件；listEffectFrameNo，表示需要处理的页编号列表，用于TIF/GIF图像，如果是其他图像格式就处理整个文件；pDstFileName，表示目标图象文件*返回值：bool类型。true,表示成功；flase，表示失败*/bool ImageFileProcess(TCHAR *pSrcFileName,list<long> listEffectFrameNo,TCHAR *pDstFileName);protected:/**功能说明：图像处理[一些算法的处理，比如二值化、提取边缘、膨胀、腐蚀等]*参数说明：src，表示原始图像；dst，表示目标图象*返回值：bool类型。true,表示成功；flase，表示失败*/bool ImageProcess(CxImage *src,CxImage *dst);CString FindExtension(const CString& name);//获取文件后缀名称int FindType(const CString& ext);//得到图象类型};

ImageOperator.cpp

#include "StdAfx.h"#include "ImageOperator.h"CImageOperator::CImageOperator(void){}CImageOperator::~CImageOperator(void){}/**功能说明：拆分TIF*参数说明：pSrcFileName，表示源图像文件名称；nNo，表示第几个页[从0开始]；dst，表示拆分后的目标图像；pFileName，表示生成拆分图像文件名称*返回值：bool类型。true,表示成功；flase，表示失败*/bool CImageOperator::SplitTif(TCHAR *pSrcFileName,long nNo,CxImage *dst,TCHAR *pFileName){bool bSucess = true;if(pSrcFileName==NULL){return false;}CxImage ciSrc;bSucess = ciSrc.Load(pSrcFileName,CXIMAGE_FORMAT_TIF);if(!bSucess){return false;}long nFrameCount = ciSrc.GetNumFrames();if(nNo>=nFrameCount){return false;}if(dst==NULL){dst = new CxImage();}ciSrc.SetFrame(nNo);ciSrc.Load(pSrcFileName,CXIMAGE_FORMAT_TIF);if(pFileName==NULL){ciSrc.Save(L".//split_tmp.tif",CXIMAGE_FORMAT_TIF);dst->Load(L".//split_tmp.tif",CXIMAGE_FORMAT_TIF);DeleteFile(L".//split_tmp.tif");}else{ciSrc.Save(pFileName,CXIMAGE_FORMAT_TIF);dst->Load(pFileName,CXIMAGE_FORMAT_TIF);}return bSucess;}/**功能说明：合并TIF*参数说明：pSrcFileName，表示源图像文件名称；addImage，表示添加图像；nNo，表示在某位置插入图像*返回值：bool类型。true,表示成功；flase，表示失败*/bool CImageOperator::MergeAddTif(TCHAR *pSrcFileName,TCHAR *pAddFileName,long nNo){bool bSucess = true;if(pSrcFileName==NULL){return false;}if(pAddFileName==NULL){return true;}CxImage ciSrc;bSucess = ciSrc.Load(pSrcFileName,CXIMAGE_FORMAT_TIF);if(!bSucess){return false;}long nSrcImageFrameCount = ciSrc.GetNumFrames();CxImage *src = new CxImage[nSrcImageFrameCount];long i = 0;for(i=0;i<nSrcImageFrameCount;i++){ciSrc.SetFrame(i);ciSrc.Load(pSrcFileName,CXIMAGE_FORMAT_TIF);src[i].Copy(ciSrc);}CxImage ciAddImage;bSucess = ciAddImage.Load(pAddFileName,CXIMAGE_FORMAT_TIF);if(!bSucess){return false;}long nAddImageFrameCount = ciAddImage.GetNumFrames();CxImage *addImage = new CxImage[nAddImageFrameCount];for(i=0;i<nSrcImageFrameCount;i++){ciAddImage.SetFrame(i);ciAddImage.Load(pAddFileName,CXIMAGE_FORMAT_TIF);addImage[i].Copy(ciAddImage);}long nFrameCount = nSrcImageFrameCount + nAddImageFrameCount;CxImage *srcCombine = new CxImage[nFrameCount];CxImage **mulImage;mulImage = new CxImage *[nFrameCount];if(nNo==-1){//在原始图像末尾添加图像for( i=0;i < nFrameCount; i++){if(i<nSrcImageFrameCount){mulImage[i] = &src[i];}else{mulImage[i] = &addImage[i-nSrcImageFrameCount];}}}else{//在指定位置添加图像if(nNo>=nSrcImageFrameCount){//在原始图像末尾添加图像for( i=0;i < nFrameCount; i++){if(i<nSrcImageFrameCount){mulImage[i] = &src[i];}else{mulImage[i] = &addImage[i-nSrcImageFrameCount];}}}else{long k = 0,j = 0;for( i=0;i < nSrcImageFrameCount; i++){if(i==nNo){for(j=0;j<nAddImageFrameCount;j++){mulImage[k] = &addImage[j];k++;}mulImage[k] = &src[i];k++;}else{mulImage[k] = &src[i];k++;}}}}FILE* hFile;hFile = _wfopen(pSrcFileName,L"w+b");srcCombine->Encode(hFile,mulImage, nFrameCount ,CXIMAGE_FORMAT_TIF);fclose( hFile );delete []srcCombine;delete []mulImage;delete []src;delete []addImage;return bSucess;}/**功能说明：文件图像处理*参数说明：pSrcFileName，表示原始图像文件； listEffectFrameNo，表示需要处理的页编号列表，用于TIF/GIF图像，如果是其他图像格式就处理整个文件； pDstFileName，表示目标图象文件*返回值：bool类型。true,表示成功；flase，表示失败*/bool CImageOperator::ImageFileProcess(TCHAR *pSrcFileName,list<long> listEffectFrameNo,TCHAR *pDstFileName){bool bSucess = true;//获取图象格式CString strExt = FindExtension(pSrcFileName);int nImageType = FindType(strExt);//加载图象CxImage ciSrc;//源图像bSucess = ciSrc.Load(pSrcFileName,nImageType);if(!bSucess){return false;}CxImage ciDst;//目标图像//如果是TIF图象，需要按指定页读取if(nImageType==CXIMAGE_FORMAT_TIF || nImageType==CXIMAGE_FORMAT_GIF){//将图像分解成桢图像long nFrameCount = ciSrc.GetNumFrames();CxImage *pAllFrameImage = new CxImage[nFrameCount];CxImage **mulImage;mulImage = new CxImage *[nFrameCount];long i = 0;for(i=0;i<nFrameCount;i++){ciSrc.SetFrame(i);ciSrc.Load(pSrcFileName,nImageType);pAllFrameImage[i].Copy(ciSrc);mulImage[i] = &pAllFrameImage[i];}list<long>::iterator iterFrameNo;for(iterFrameNo=listEffectFrameNo.begin();iterFrameNo!=listEffectFrameNo.end();++iterFrameNo){if(*iterFrameNo>=nFrameCount){continue;}bSucess = ImageProcess(&pAllFrameImage[*iterFrameNo],&ciDst);if(!bSucess){return false;}//将目标数据写回ciSrcpAllFrameImage[*iterFrameNo].Copy(ciDst);}//获取目标图象格式,生成新的图像CString strDstExt = FindExtension(pDstFileName);int nDstImageType = FindType(strDstExt);FILE* hFile;hFile = _wfopen(pDstFileName,L"w+b");bSucess = pAllFrameImage->Encode(hFile,mulImage, nFrameCount ,nDstImageType);fclose( hFile );if(pAllFrameImage!=NULL){delete []pAllFrameImage;pAllFrameImage = NULL;}if(mulImage!=NULL){delete []mulImage;mulImage = NULL;}}else{bSucess = ciSrc.Load(pSrcFileName,nImageType);if(!bSucess){return false;}bSucess = ImageProcess(&ciSrc,&ciDst);if(!bSucess){return false;}//获取目标图象格式,生成新的图像CString strDstExt = FindExtension(pDstFileName);int nDstImageType = FindType(strDstExt);bSucess = ciDst.Save(pDstFileName,nDstImageType);if(!bSucess){return false;}}return bSucess;}/**功能说明：图像处理[一些算法的处理，比如提取边缘、膨胀、腐蚀等]*参数说明：src，表示原始图像；dst，表示目标图象*返回值：bool类型。true,表示成功；flase，表示失败*/bool CImageOperator::ImageProcess(CxImage *src,CxImage *dst)//图像处理{bool bSucess = true;//这里书写图像处理的相关代码//测试代码，边缘处理bSucess = src->Edge();if(!bSucess){return false;}//////////////////////////////////////////////////////////dst->Copy(*src);return bSucess;}//获取文件后缀名称CString CImageOperator::FindExtension(const CString& name){int len = name.GetLength();int i;for (i = len-1; i >= 0; i--){if (name[i] == '.'){return name.Mid(i+1);}}return CString("");}//得到图象类型int CImageOperator::FindType(const CString& ext){int type = 0;if (ext== "bmp" || ext== "BMP")type = CXIMAGE_FORMAT_BMP;#if CXIMAGE_SUPPORT_JPGelse if (ext=="jpg"||ext=="jpeg" || ext=="JPG" || ext=="JPEG")type = CXIMAGE_FORMAT_JPG;#endif#if CXIMAGE_SUPPORT_GIFelse if (ext == "gif" || ext=="GIF")type = CXIMAGE_FORMAT_GIF;#endif#if CXIMAGE_SUPPORT_PNGelse if (ext == "png" || ext=="PNG")type = CXIMAGE_FORMAT_PNG;#endif#if CXIMAGE_SUPPORT_MNGelse if (ext=="mng"||ext=="jng" || ext=="mng" || ext=="jng")type = CXIMAGE_FORMAT_MNG;#endif#if CXIMAGE_SUPPORT_ICOelse if (ext == "ico" || ext=="ico")type = CXIMAGE_FORMAT_ICO;#endif#if CXIMAGE_SUPPORT_TIFelse if (ext=="tiff"||ext=="tif" || ext=="TIFF" || ext=="TIF")type = CXIMAGE_FORMAT_TIF;#endif#if CXIMAGE_SUPPORT_TGAelse if (ext=="tga" || ext=="TGA")type = CXIMAGE_FORMAT_TGA;#endif#if CXIMAGE_SUPPORT_PCXelse if (ext=="pcx" || ext=="PCX")type = CXIMAGE_FORMAT_PCX;#endif#if CXIMAGE_SUPPORT_WBMPelse if (ext=="wbmp" || ext=="WBMP")type = CXIMAGE_FORMAT_WBMP;#endif#if CXIMAGE_SUPPORT_WMFelse if (ext=="wmf"||ext=="emf" || ext=="WMF" || ext=="emf")type = CXIMAGE_FORMAT_WMF;#endif#if CXIMAGE_SUPPORT_J2Kelse if (ext=="j2k"||ext=="jp2" || ext=="J2K" || ext=="JP2")type = CXIMAGE_FORMAT_J2K;#endif#if CXIMAGE_SUPPORT_JBGelse if (ext=="jbg" || ext=="JBG")type = CXIMAGE_FORMAT_JBG;#endif#if CXIMAGE_SUPPORT_JP2else if (ext=="jp2"||ext=="j2k" || ext=="JP2" || ext=="J2K")type = CXIMAGE_FORMAT_JP2;#endif#if CXIMAGE_SUPPORT_JPCelse if (ext=="jpc"||ext=="j2c" || ext=="JPC" || ext=="J2C")type = CXIMAGE_FORMAT_JPC;#endif#if CXIMAGE_SUPPORT_PGXelse if (ext=="pgx" || ext=="PGX")type = CXIMAGE_FORMAT_PGX;#endif#if CXIMAGE_SUPPORT_RASelse if (ext=="ras" || ext=="RAS")type = CXIMAGE_FORMAT_RAS;#endif#if CXIMAGE_SUPPORT_PNMelse if (ext=="pnm"||ext=="pgm"||ext=="ppm" || ext=="PNM" || ext=="PGM" || ext=="PPM") type = CXIMAGE_FORMAT_PNM;#endifelse type = CXIMAGE_FORMAT_UNKNOWN;return type;}

注：CxImage是一款优秀的图像操作类库。它可以快捷地存取、显示、转换各种图像。

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