海康相机 SDK二次开发 与 Halcon混合编程代码和说明手册

#include "hkcamerahalcon.h" #include<windows.h> typedef HWND(WINAPI *PROCGETCONSOLEWINDOW)(); hkCameraHalcon::hkCameraHalcon(QWidget *parent) : QMainWindow(parent) { ui.setupUi(this); } hkCameraHalcon::~hkCameraHalcon() { } //打开相机 void hkCameraHalcon::on_pushButton_clicked() { /************************************************************************/ /* 1.枚举设备 MV_CC_EnumDevices */ /************************************************************************/ //枚举子网内指定的传输协议对应的所有设备 unsigned int nTLayerType = MV_GIGE_DEVICE | MV_USB_DEVICE; MV_CC_DEVICE_INFO_LIST m_stDevList = { 0 }; int nRet = MV_CC_EnumDevices(nTLayerType, &m_stDevList); /*if (MV_OK != nRet) { printf("error: EnumDevices fail [%x]\n", nRet); return; } int i = 0; if (m_stDevList.nDeviceNum == 0) { printf("no camera found!\n"); return; }*/ /************************************************************************/ /* 2.创建句柄 MV_CC_CreateHandle */ /************************************************************************/ //选择查找到的第一台在线设备，创建设备句柄 int nDeviceIndex = 0; MV_CC_DEVICE_INFO m_stDevInfo = { 0 }; memcpy(&m_stDevInfo, m_stDevList.pDeviceInfo[nDeviceIndex], sizeof(MV_CC_DEVICE_INFO)); nRet = MV_CC_CreateHandle(&m_handle, &m_stDevInfo); /*if (MV_OK != nRet) { printf("error: CreateHandle fail [%x]\n", nRet); return; }*/ /************************************************************************/ /* 3.打开设备 MV_CC_OpenDevice */ /************************************************************************/ //连接设备 //nRet = MV_CC_OpenDevice(m_handle, nAccessMode, nSwitchoverKey); nRet = MV_CC_OpenDevice(m_handle); /*if (MV_OK != nRet) { printf("error: OpenDevice fail [%x]\n", nRet); return; }*/ } //采集图像 void hkCameraHalcon::on_pushButton_2_clicked() { /************************************************************************/ /* 4.开启抓图 MV_CC_StartGrabbing */ /************************************************************************/ //开始采集图像 nRet = MV_CC_StartGrabbing(m_handle); /*if (MV_OK != nRet) { printf("error: StartGrabbing fail [%x]\n", nRet); return; }*/ //设置相机图像的像素格式 unsigned int enValue = PixelType_Gvsp_RGB8_Packed; nRet = MV_CC_SetPixelFormat(m_handle, enValue); if (MV_OK != nRet) { printf("error: SetPixelFormat fail [%x]\n", nRet); return; } } //获取一帧图像 void hkCameraHalcon::on_pushButton_3_clicked() { /************************************************************************/ /* 5.获取一帧并保存成图像 MV_CC_GetOneFrameTimeout MV_CC_SaveImage */ /************************************************************************/ //获取一帧数据的大小 MVCC_INTVALUE stIntvalue = { 0 }; nRet = MV_CC_GetIntValue(m_handle, "PayloadSize", &stIntvalue); /*if (nRet != MV_OK) { printf("Get PayloadSize failed! nRet [%x]\n", nRet); return; }*/ int nBufSize = stIntvalue.nCurValue + 2048; //一帧数据大小+预留字节(用于SDK内部处理) unsigned int nTestFrameSize = 0; unsigned char* pFrameBuf = NULL; pFrameBuf = (unsigned char*)malloc(nBufSize); //采用MV_CC_GetOneFrame函数时 MV_FRAME_OUT_INFO stInfo; memset(&stInfo, 0, sizeof(MV_FRAME_OUT_INFO)); //采用MV_CC_GetImageForRGB或者MV_CC_GetImageForBGR函数时 /*MV_FRAME_OUT_INFO_EX stInfo; memset(&stInfo, 0, sizeof(MV_FRAME_OUT_INFO_EX));*/ //上层应用程序需要根据帧率，控制好调用该接口的频率 //此次代码仅供参考，实际应用建议另建线程进行图像帧采集和处理 /*while (1) {*/ for (int in = 0; in <10 ; in++) { /*if (nTestFrameSize > 99) { break; }*/ //pFrameBuf是相机采集到的一帧原始图像数据 nRet = MV_CC_GetOneFrame(m_handle, pFrameBuf, nBufSize, &stInfo); //nRet = MV_CC_GetImageForBGR(m_handle,pFrameBuf, nBufSize, &stInfo, 1000); ////RGB24格式 //nRet = MV_CC_GetImageForRGB(m_handle, pFrameBuf, nBufSize, &stInfo, 1000); /*************************************显示图像**************************************/ //获取窗口句柄 HWND MainWndID = (HWND)this->ui.label->winId(); //显示图像 //该接口需要在MV_CC_StartGrabbing之后调用，显示采集到的图像。如果相机当前采集图像是JPEG压缩的格式，则不支持调用该接口进行显示。 nRet = MV_CC_Display(m_handle, MainWndID); if (MV_OK != nRet) { printf("error: Display fail [%x]\n", nRet); return; } /**************************unsigned char* 图像转换为HObject************************/ int hgt = stInfo.nHeight; int wid = stInfo.nWidth; unsigned char * dataRed = new unsigned char[wid * hgt]; unsigned char * dataGreen = new unsigned char[wid * hgt]; unsigned char * dataBlue = new unsigned char[wid * hgt]; unsigned char * data = new unsigned char[wid * hgt * 3]; memcpy(data, pFrameBuf, wid * hgt * 3); for (int i = 0; i <wid * hgt; i++) { dataRed[i] = (data[3 * i ]); dataGreen[i] = data[3 * i + 1]; dataBlue[i] = data[3 * i +2]; } GenImage3(&ho_Image, "byte", wid, hgt, (Hlong)(dataRed), (Hlong)(dataGreen), (Hlong)(dataBlue)); WriteImage(ho_Image, "bmp", 0, HTuple("E:/code/Photo/") + 1); Sleep(500); delete[] dataRed; delete[] dataGreen; delete[] dataBlue; delete[] data; /**********************************************************************************/ //if (MV_OK != nRet) //{ // Sleep(10); //} //else //{ // //图片数据输入输出参数 // MV_SAVE_IMAGE_PARAM stParam = { 0 }; // //源数据 // stParam.pData = pFrameBuf; //原始图像数据 // //nDataLen = stInfo.nWidth * stInfo.nHeight * 2 ; // stParam.nDataLen = stInfo.nFrameLen; //原始图像数据长度 // stParam.enPixelType = stInfo.enPixelType; //原始图像数据的像素格式YUYV // stParam.nWidth = stInfo.nWidth; //图像宽 // stParam.nHeight = stInfo.nHeight; //图像高 // //目标数据 // /** // * // * // enum _MV_SAVE_IAMGE_TYPE_{ // MV_Image_Undefined = 0, //未定义 // MV_Image_Bmp = 1, //BMP图片 // MV_Image_Jpeg = 2, //JPEG图片 // MV_Image_Png = 3, //PNG图片，暂不支持 // MV_Image_Tif = 4, //TIF图片，暂不支持 // }MV_SAVE_IAMGE_TYPE // * // */ // stParam.enImageType = MV_Image_Bmp; //需要保存的图像类型，转换成JPEG格式 // //nBufSize = stInfo.nWidth * stInfo.nHeight * 2 + 2048;(输入数据为YUYV时) // stParam.nBufferSize = nBufSize; //存储节点的大小 // unsigned char* pImage = (unsigned char*)malloc(nBufSize); // stParam.pImageBuffer = pImage; //输出数据缓冲区，存放转换之后的图片数据 // // BMP图片大小：width * height * 3 + 2048(预留BMP头大小)(输入数据为YUYV时) // //m_nBufSizeForSaveImage = stInfo.nWidth * stInfo.nHeight * 3 + 2048; // //m_pBufForSaveImage = (unsigned char*)malloc(m_nBufSizeForSaveImage); // //stParam.nBufferSize = m_nBufSizeForSaveImage; // 存储节点的大小 // //stParam.pImageBuffer = m_pBufForSaveImage; // //MV_CC_SaveImage将原始图像数据转换成图片格式并保存在指定内存里。MV_CC_SaveImageEx // nRet = MV_CC_SaveImage(&stParam); // /*if (MV_OK != nRet) // { // break; // }*/ // //将转换之后图片数据保存成文件 // FILE* fp = fopen("image", "wb"); // fwrite(pImage, 1, stParam.nImageLen, fp); // //fwrite(m_pBufForSaveImage, 1, stParam.nImageLen, fp); // fclose(fp); // free(pImage); // //...其他图像数据处理 // nTestFrameSize++; //} } free(pFrameBuf); } //关闭相机 void hkCameraHalcon::on_pushButton_4_clicked() { /************************************************************************/ /* 6. 停止抓图 MV_CC_StopGrabbing */ /********************************************