opencv+zbar实现摄像头二维码识别

#include <opencv2/opencv.hpp> #include <zbar.h> #include <iostream> #include <afx.h> #include <shlwapi.h> #pragma once // 包括 SDKDDKVer.h 将定义可用的最高版本的 Windows 平台。 // 如果要为以前的 Windows 平台生成应用程序，请包括 WinSDKVer.h，并将 // WIN32_WINNT 宏设置为要支持的平台，然后再包括 SDKDDKVer.h。 #include <SDKDDKVer.h> #pragma comment(lib, "user32.lib") #pragma comment(lib, "shlwapi.lib") #define IS_NUMBER(c) ((c) && (((c) >= '0' && (c) <= '9') || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))) using namespace std; using namespace cv; using namespace zbar; wstring TranslateString(LPCWSTR wszOrig); int main( int argc, char** argv ) { //声明IplImage指针 IplImage* pFrame = NULL; //获取摄像头 CvCapture* pCapture = cvCreateCameraCapture(1); //创建窗口 //cvNamedWindow("video", 1); pFrame=cvQueryFrame(pCapture); cvSaveImage("C:\\Users\\Administrator\\Desktop\\二维码\\摄像头.jpg",pFrame); cvReleaseCapture(&pCapture); //显示视屏 /* while(1) { pFrame=cvQueryFrame( pCapture ); if(!pFrame)break; cvShowImage("video",pFrame); char c=cvWaitKey(33); if(c==27)break; } */ //cvReleaseCapture(&pCapture); // cvDestroyWindow("video"); //CvMat * image,* dst; //CvMat *dst; IplImage* img =cvLoadImage("C:\\Users\\Administrator\\Desktop\\二维码\\摄像头.jpg",CV_LOAD_IMAGE_GRAYSCALE); //CvMat *cv_matrix = cvLoadImageM("IMAG0253.jpg",CV_LOAD_IMAGE_GRAYSCALE); CvMat *image = cvCreateMat( img->height, img->width, CV_8UC1 ); cvConvert( img, image ); IplImage* img2=cvCreateImage(cvGetSize(image),IPL_DEPTH_8U,1); CvMat *dst = cvCreateMat( img2->height, img2->width, CV_8UC1 ); cvConvert( img2, dst ); //cvNamedWindow("456",CV_WINDOW_AUTOSIZE); cvThreshold(image,dst,150,255,CV_THRESH_BINARY); cvSaveImage("C:\\Users\\Administrator\\Desktop\\二维码\\摄像头2.jpg",dst); //cvShowImage("456",dst); cvWaitKey(0); char * str; str="C:\\Users\\Administrator\\Desktop\\二维码\\摄像头2.jpg"; zbar_image_scanner_t *scanner = zbar_image_scanner_create(); /* configure the reader */ zbar_image_scanner_set_config(scanner, ZBAR_NONE, ZBAR_CFG_ENABLE, 1); /* obtain image data */ int width = 0, height = 0; const void *raw = NULL; //CvMat *cv_matrix; //如果使用 Magick++ 库，只是在解析图片数据的位置有点差别 CvMat *cv_matrix = cvLoadImageM(str,CV_LOAD_IMAGE_GRAYSCALE); //CvMat *cv_matrix = cvLoadImageM(str,CV_LOAD_IMAGE_GRAYSCALE); //IplImage * cv_matrix=cvLoadImage(str,CV_LOAD_IMAGE_COLOR); cvNamedWindow("Example1",CV_WINDOW_AUTOSIZE); cvShowImage("Example1",cv_matrix); width = cv_matrix->width; height= cv_matrix->height; raw = (char*)cv_matrix->data.ptr; /* wrap image data */ Image image_z(width, height, "Y800", raw, width * height); /*zbar_image_t *image = zbar_image_create(); zbar_image_set_format(image, *(int*)"Y800"); zbar_image_set_size(image, width, height); zbar_image_set_data(image, raw, width * height, zbar_image_free_data);*/ /* scan the image for barcodes */ int n = zbar_scan_image(scanner, image_z); //n == 0 is failed /* extract results */ const zbar_symbol_t *symbol = zbar_image_first_symbol(image_z); for(; symbol; symbol = zbar_symbol_next(symbol))//Image::SymbolIterator symbol = image.symbol_begin();symbol != image.symbol_end();++symbol) { // do something useful with results /*cout << "decoded " << symbol->get_type_name() << " symbol \"" << symbol->get_data() << '"' << endl;*/ zbar_symbol_type_t typ = zbar_symbol_get_type(symbol); const char *data = zbar_symbol_get_data(symbol); cout << data <<endl; CString temp = data; LPCWSTR app = (LPCWSTR)(temp.AllocSysString()); cout << "decoded " << typ << endl; wstring wstr = TranslateString(app).c_str(); wcout.imbue(locale("chs")); wcout << wstr << endl; MessageBoxW(NULL, TranslateString(app).c_str(), NULL, MB_OK); //const std::string& result = symbol->get_data(); } // clean up image_z.set_data(NULL, 0); /*WCHAR *d; int nd = 0; const zbar_symbol_t *symbol = zbar_image_first_symbol(image); for(; symbol; symbol = zbar_symbol_next(symbol)) { /* do something useful with results */ /* zbar_symbol_type_t typ = zbar_symbol_get_type(symbol); memcpy(info.type,zbar_get_symbol_name(typ),sizeof(info.type) - 1); const char *data = zbar_symbol_get_data(symbol); unsigned int len = zbar_symbol_get_data_length(symbol); printf("decoded %s symbol \"%s\"\n", zbar_get_symbol_name(typ), data); nd = utf8_to_utf16((BYTE *)data,len,NULL,0); //utf-8 转成 unicode 需要多少字节 d = (WCHAR *)malloc((nd * 2) + 2); utf8_to_utf16((BYTE *)data,len,d,nd); //utf-8 转成 unicode memset(info.data,0,sizeof(info.data)); WideCharToMultiByte(CP_ACP,0,d,nd,(CHAR *)info.data,sizeof(info.data) - 1,NULL,NULL); //unicode 转 ascii free(d); } //return n;*/ cout<< n <<endl; cvWaitKey(0); cvReleaseMat(&cv_matrix); cvDestroyWindow("Example1"); return(0); } wstring TranslateString(LPCWSTR wszOrig) { wstring ret; LPCWSTR curChar = wszOrig; while (*curChar) { if (curChar[0] == L'\\' && (curChar[1] == L'u' || curChar[1] == L'U') && IS_NUMBER(curChar[2]) && IS_NUMBER(curChar[3]) && IS_NUMBER(curChar[4]) && IS_NUMBER(curChar[5])) { wchar_t hex[8] = {'0', 'x'}; hex[2] = curChar[2]; hex[3] = curChar[3]; hex[4] = curChar[4]; hex[5] = curChar[5]; int i; StrToIntExW(hex, STIF_SUPPORT_HEX, &i); ret += (wchar_t)i; curChar += 6; } else { ret += (wchar_t)*curChar; curChar++; } } return ret; } /*int main() { MessageBoxW(NULL, TranslateString(L"\u59d3\u540d\uff1a\u6768\u5b87\u5b66\u53f7\uff1aSX1305118\ \u4e13\u4e1a\uff1a\u673a\u68b0\u7535\u5b50").c_str(), NULL, MB_OK); }*/