1.了解海康威视工业相机
本人学习参考的是:boss_dog的博客,里面有详细的分析相机的数据,各种相机的区别,在VS中部署SDK的环境变量以及官方例程.
1.1.下载SDK
海康威视的工业相机二次开发首先是需要在官方下载相机的SDK,下载地址_官方下载地址,根据自身的环境区下载需要的SDK,本人下载的是(机器视觉工业相机客户端MVS V3.3.1(Windows)).
下载后打开下图中的文件,是VS+C++的Demo,本人用到的是第一个demo,打开相机保存图片.
1.2.环境配置
PS:不管运行海康威视的哪个例程,都需要先配置下环境
在VS项目中配置opencv和mvs的动态链接库等(用到Opencv的话)
①在VS中配置Opencv
②在VS中配置MVS
环境配置完成后,将官方的demo导入到VS中基本上就能运行了.
下图就是实现基本功能的代码,在BasicDemoDlg.cpp中就是自己写的代码根据调用官方的SDK来实现基本功能.
2.在QT中实现官方demo中的功能
2.1.首先我们需要在qt中配置好实现功能的环境:
2.1.1 配置好相机SDK的环境,参考博客:大樱桃的博客_大_樱_桃_CSDN博客-Halcon,工业相机,Halcon_C#l联合编程领域博主.
先在QT中创建一个项目,将海康的MVS文件下Development文件里面的Includes以及Libraries文件复制到qt的项目文件下.
复制完成后在QT中右击项目文件,点击添加库,选择外部库,点击下一步,选择库文件,选择平台和静态链接,点下一步就行了.
导入库后生成的代码片段:
生成代码片段后再加入Include,相机的头文件,相机的SDK和环境就配置完成了.
INCLUDEPATH += $$PWD/Includes
DEPENDPATH += $$PWD/Includes
2.1.2 配置opencv的环境变量:在配置opencv的路上我也是经历了很多坎坷,,,查阅无数文档,大部分都是使用MinGV,可以参考博客:拜小白教你Qt5.8.0+OpenCV3.2.0配置教程(详细版)_拜小白的成长之路,告别小白-CSDN博客,但是我是先使用的VS的运行环境,然后QT在VS的运行环境下建立的,可以参考Qt5.9.6+opencv+VS2017的安装及配置_我内疚的博客-CSDN博客。反正这种配置环境的路上就是不断地查找文档,不断地更改。,慢慢摸索,,最终我在qt上配置的opencv的代码是:
INCLUDEPATH += D:\QtDemo\opencv\include
INCLUDEPATH += D:\QtDemo\opencv\include/opencv2
CONFIG(debug, debug|release): {
LIBS += -LD:\QtDemo\opencv/lib \
-lopencv_world440 \
-lopencv_world440d
} else:CONFIG(release, debug|release): {
LIBS += -LD:\QtDemo\opencv/lib \
-lopencv_world440 \
-lopencv_world440d
}
环境配置完成后,接着把相机封装好的函数体:cpp文件和头文件复制到项目文件下:MVCamera.cpp和MVCamera.h
接着又是参考:海康威视工业相机SDK二次开发(VS+Opencv+QT+海康SDK+C++)(二)_boss-dog的博客-CSDN博客其中的源代码,结合上官方自带的SDK,就完成了一些基本的显示相机采集的画面,保存图片,获取相机IP,软触发等功能。
3.我的源代码是:
MVCamera.h
/************************************************************************/
/* 以C++接口为基础,对常用函数进行二次封装,方便用户使用 */
/************************************************************************/
#ifndef _MV_CAMERA_H_
#define _MV_CAMERA_H_
#include "Includes/MvCameraControl.h"
#include <string.h>
#include"opencv2/opencv.hpp"
#include"opencv2/imgproc/types_c.h"
#ifndef MV_NULL
#define MV_NULL 0
#endif
class CMvCamera
{
public:
CMvCamera();
~CMvCamera();
// ch:获取SDK版本号 | en:Get SDK Version
static int GetSDKVersion();
// ch:枚举设备 | en:Enumerate Device
static int EnumDevices(unsigned int nTLayerType, MV_CC_DEVICE_INFO_LIST* pstDevList);
// ch:判断设备是否可达 | en:Is the device accessible
static bool IsDeviceAccessible(MV_CC_DEVICE_INFO* pstDevInfo, unsigned int nAccessMode);
// ch:打开设备 | en:Open Device
int Open(MV_CC_DEVICE_INFO* pstDeviceInfo);
// ch:关闭设备 | en:Close Device
int Close();
// ch:判断相机是否处于连接状态 | en:Is The Device Connected
bool IsDeviceConnected();
// ch:注册图像数据回调 | en:Register Image Data CallBack
int RegisterImageCallBack(void(__stdcall* cbOutput)(unsigned char * pData, MV_FRAME_OUT_INFO_EX* pFrameInfo, void* pUser), void* pUser);
// ch:开启抓图 | en:Start Grabbing
int StartGrabbing();
// ch:停止抓图 | en:Stop Grabbing
int StopGrabbing();
// ch:主动获取一帧图像数据 | en:Get one frame initiatively
int GetImageBuffer(MV_FRAME_OUT* pFrame, int nMsec);
// ch:主动获取一帧图像数据 | en:Get one frame initiatively
int GetOneFrameTimeout(unsigned char* pData, unsigned int* pnDataLen, unsigned int nDataSize, MV_FRAME_OUT_INFO_EX* pFrameInfo, int nMsec);
// ch:释放图像缓存 | en:Free image buffer
int FreeImageBuffer(MV_FRAME_OUT* pFrame);
// ch:显示一帧图像 | en:Display one frame image
int DisplayOneFrame(MV_DISPLAY_FRAME_INFO* pDisplayInfo);
// ch:设置SDK内部图像缓存节点个数 | en:Set the number of the internal image cache nodes in SDK
int SetImageNodeNum(unsigned int nNum);
// ch:获取设备信息 | en:Get device information
int GetDeviceInfo(MV_CC_DEVICE_INFO* pstDevInfo);
// ch:获取GEV相机的统计信息 | en:Get detect info of GEV camera
int GetGevAllMatchInfo(MV_MATCH_INFO_NET_DETECT* pMatchInfoNetDetect);
// ch:获取U3V相机的统计信息 | en:Get detect info of U3V camera
int GetU3VAllMatchInfo(MV_MATCH_INFO_USB_DETECT* pMatchInfoUSBDetect);
// ch:获取和设置Int型参数,如 Width和Height,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Int type parameters, such as Width and Height, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int GetIntValue(IN const char* strKey, OUT unsigned int* pIntValue);
int SetIntValue(IN const char* strKey, IN int64_t nValue);
// ch:获取和设置Enum型参数,如 PixelFormat,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Enum type parameters, such as PixelFormat, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int GetEnumValue(IN const char* strKey, OUT MVCC_ENUMVALUE *pEnumValue);
int SetEnumValue(IN const char* strKey, IN unsigned int nValue);
int SetEnumValueByString(IN const char* strKey, IN const char* sValue);
// ch:获取和设置Float型参数,如 ExposureTime和Gain,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Float type parameters, such as ExposureTime and Gain, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int GetFloatValue(IN const char* strKey, OUT MVCC_FLOATVALUE *pFloatValue);
int SetFloatValue(IN const char* strKey, IN float fValue);
// ch:获取和设置Bool型参数,如 ReverseX,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Bool type parameters, such as ReverseX, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int GetBoolValue(IN const char* strKey, OUT bool *pbValue);
int SetBoolValue(IN const char* strKey, IN bool bValue);
// ch:获取和设置String型参数,如 DeviceUserID,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件UserSetSave
// en:Get String type parameters, such as DeviceUserID, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int GetStringValue(IN const char* strKey, MVCC_STRINGVALUE *pStringValue);
int SetStringValue(IN const char* strKey, IN const char * strValue);
// ch:执行一次Command型命令,如 UserSetSave,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Execute Command once, such as UserSetSave, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CommandExecute(IN const char* strKey);
// ch:探测网络最佳包大小(只对GigE相机有效) | en:Detection network optimal package size(It only works for the GigE camera)
int GetOptimalPacketSize(unsigned int* pOptimalPacketSize);
// ch:注册消息异常回调 | en:Register Message Exception CallBack
int RegisterExceptionCallBack(void(__stdcall* cbException)(unsigned int nMsgType, void* pUser), void* pUser);
// ch:注册单个事件回调 | en:Register Event CallBack
int RegisterEventCallBack(const char* pEventName, void(__stdcall* cbEvent)(MV_EVENT_OUT_INFO * pEventInfo, void* pUser), void* pUser);
// ch:强制IP | en:Force IP
int ForceIp(unsigned int nIP, unsigned int nSubNetMask, unsigned int nDefaultGateWay);
// ch:配置IP方式 | en:IP configuration method
int SetIpConfig(unsigned int nType);
// ch:设置网络传输模式 | en:Set Net Transfer Mode
int SetNetTransMode(unsigned int nType);
// ch:像素格式转换 | en:Pixel format conversion
int ConvertPixelType(MV_CC_PIXEL_CONVERT_PARAM* pstCvtParam);
// ch:保存图片 | en:save image
int SaveImage(MV_SAVE_IMAGE_PARAM_EX* pstParam);
// ch:保存图片为文件 | en:Save the image as a file
int SaveImageToFile(MV_SAVE_IMG_TO_FILE_PARAM* pstParam);
//设置是否为触发模式
int setTriggerMode(unsigned int TriggerModeNum);
//设置触发源
int setTriggerSource(unsigned int TriggerSourceNum);
//软触发
int softTrigger();
//读取buffer
int ReadBuffer(cv::Mat& image);
private:
void* m_hDevHandle;
public:
unsigned int m_nTLayerType;
unsigned char* m_pBufForSaveImage; // 用于保存图像的缓存
unsigned int m_nBufSizeForSaveImage;
unsigned char* m_pBufForDriver; // 用于从驱动获取图像的缓存
unsigned int m_nBufSizeForDriver;
};
#endif//_MV_CAMERA_H_
mythread.h
#ifndef MYTHREAD_H
#define MYTHREAD_H
#include "QThread"
#include "MvCamera.h"
#include "opencv2/opencv.hpp"
#include "opencv2/core/core.hpp"
#include "opencv2/calib3d/calib3d.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <vector>
#include <string>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
using namespace std;
using namespace cv;
class MyThread :public QThread
{
Q_OBJECT
public:
MyThread();
~MyThread();
void run();
void getCameraPtr(CMvCamera* camera);
void getImagePtr(Mat* image);
void getCameraIndex(int index);
signals:
void mess();
void Display(const Mat* image, int index);
private:
CMvCamera* cameraPtr = NULL;
cv::Mat* imagePtr = NULL;
int cameraIndex = NULL;
int TriggerMode;
};
#endif // MYTHREAD_H
#pragma once
widget.h
#ifndef WIDGET_H
#define WIDGET_H
#include <QWidget>
#include <Windows.h>
#include "MvCamera.h"
#include "Includes/CameraParams.h"
#include "minwindef.h"
#include "stringapiset.h"
#include "tchar.h"
#include "mythread.h"
#include "QString"
#include "QMessageBox"
#include <windows.h>
#include "WinUser.h"
//声明相机最大数量
#define MAX_DEVICE_NUM 2
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE
class Widget : public QWidget
{
Q_OBJECT
public:
Widget(QWidget *parent = nullptr);
~Widget();
//按钮函数
private slots:
void display_myImage(const Mat* imagePrt, int cameraIndex);
void on_checkedbtn_clicked();
void on_openbtn_clicked();
void on_closebtn_clicked();
void on_rbnt_Continue_Mode_clicked();
void on_bntStartGrabbing_clicked();
void on_rbnt_SoftTigger_Mode_clicked();
void on_bntStopGrabbing_clicked();
void on_bntSoftwareOnce_clicked();
//自定义对象
void on_bntSave_BMP_clicked();
void on_bntSave_JPG_clicked();
public:
CMvCamera* m_pcMyCamera[MAX_DEVICE_NUM]; // 相机指针对象
MV_CC_DEVICE_INFO_LIST m_stDevList; // 设备信息列表结构体变量,用来存储设备列表
_MV_CC_DEVICE_INFO_ m_SpecialInfo; //设备信息
int devices_num;//设备数量
int nRet;
MyThread* myThread_Camera;//相机线程
void* m_hGrabThread; // ch:取流线程句柄 | en:Grab thread handle
BOOL m_bThreadState;
BOOL m_bOpenDevice; // ch:是否打开设备 | en:Whether to open device
BOOL m_bStartGrabbing; // ch:是否开始抓图 | en:Whether to start grabbing
int m_nTriggerMode; //触发模式
int m_bContinueStarted; // 开启过连续采集图像
cv::Mat* myImage = new cv::Mat(); //用于保存相机图像的图像指针对象
MV_SAVE_IAMGE_TYPE m_nSaveImageType; // ch:保存图像格式 | en:Save Image Type
//自定义方法
private:
void OpenDevices(); // ch:打开设备 | en:Open device
void CloseDevices(); // ch:关闭设备 | en:Close Device
//错误信息
void ShowErrorMsg(QString qMessage, int nErrorNum);
//保存图片
int SaveImage(MV_SAVE_IAMGE_TYPE m_nSaveImageType);
private:
Ui::Widget *ui;
};
#endif // WIDGET_H
MVCamera.cpp
#include "MvCamera.h"
CMvCamera::CMvCamera()
{
m_hDevHandle = MV_NULL;
}
CMvCamera::~CMvCamera()
{
if (m_hDevHandle)
{
MV_CC_DestroyHandle(m_hDevHandle);
m_hDevHandle = MV_NULL;
}
}
// ch:获取SDK版本号 | en:Get SDK Version
int CMvCamera::GetSDKVersion()
{
return MV_CC_GetSDKVersion();
}
// ch:枚举设备 | en:Enumerate Device
int CMvCamera::EnumDevices(unsigned int nTLayerType, MV_CC_DEVICE_INFO_LIST* pstDevList)
{
return MV_CC_EnumDevices(nTLayerType, pstDevList);
}
// ch:判断设备是否可达 | en:Is the device accessible
bool CMvCamera::IsDeviceAccessible(MV_CC_DEVICE_INFO* pstDevInfo, unsigned int nAccessMode)
{
return MV_CC_IsDeviceAccessible(pstDevInfo, nAccessMode);
}
// ch:打开设备 | en:Open Device
int CMvCamera::Open(MV_CC_DEVICE_INFO* pstDeviceInfo)
{
if (MV_NULL == pstDeviceInfo)
{
return MV_E_PARAMETER;
}
if (m_hDevHandle)
{
return MV_E_CALLORDER;
}
int nRet = MV_CC_CreateHandle(&m_hDevHandle, pstDeviceInfo);
if (MV_OK != nRet)
{
return nRet;
}
nRet = MV_CC_OpenDevice(m_hDevHandle);
if (MV_OK != nRet)
{
MV_CC_DestroyHandle(m_hDevHandle);
m_hDevHandle = MV_NULL;
}
return nRet;
}
// ch:关闭设备 | en:Close Device
int CMvCamera::Close()
{
if (MV_NULL == m_hDevHandle)
{
return MV_E_HANDLE;
}
MV_CC_CloseDevice(m_hDevHandle);
int nRet = MV_CC_DestroyHandle(m_hDevHandle);
m_hDevHandle = MV_NULL;
return nRet;
}
// ch:判断相机是否处于连接状态 | en:Is The Device Connected
bool CMvCamera::IsDeviceConnected()
{
return MV_CC_IsDeviceConnected(m_hDevHandle);
}
// ch:注册图像数据回调 | en:Register Image Data CallBack
int CMvCamera::RegisterImageCallBack(void(__stdcall* cbOutput)(unsigned char * pData, MV_FRAME_OUT_INFO_EX* pFrameInfo, void* pUser), void* pUser)
{
return MV_CC_RegisterImageCallBackEx(m_hDevHandle, cbOutput, pUser);
}
// ch:开启抓图 | en:Start Grabbing
int CMvCamera::StartGrabbing()
{
return MV_CC_StartGrabbing(m_hDevHandle);
}
// ch:停止抓图 | en:Stop Grabbing
int CMvCamera::StopGrabbing()
{
return MV_CC_StopGrabbing(m_hDevHandle);
}
// ch:主动获取一帧图像数据 | en:Get one frame initiatively
//使用内部缓存获取图片
int CMvCamera::GetImageBuffer(MV_FRAME_OUT* pFrame, int nMsec)
{
return MV_CC_GetImageBuffer(m_hDevHandle, pFrame, nMsec);
}
// ch:主动获取一帧图像数据 | en:Get one frame initiatively
//采用超时机制获取图片
int CMvCamera::GetOneFrameTimeout(unsigned char* pData, unsigned int* pnDataLen, unsigned int nDataSize, MV_FRAME_OUT_INFO_EX* pFrameInfo, int nMsec)
{
if (NULL == pnDataLen)
{
return MV_E_PARAMETER;
}
int nRet = MV_OK;
*pnDataLen = 0;
nRet = MV_CC_GetOneFrameTimeout(m_hDevHandle, pData, nDataSize, pFrameInfo, nMsec);
if (MV_OK != nRet)
{
return nRet;
}
*pnDataLen = pFrameInfo->nFrameLen;
return nRet;
}
// ch:释放图像缓存 | en:Free image buffer
int CMvCamera::FreeImageBuffer(MV_FRAME_OUT* pFrame)
{
return MV_CC_FreeImageBuffer(m_hDevHandle, pFrame);
}
// ch:设置显示窗口句柄 | en:Set Display Window Handle
int CMvCamera::DisplayOneFrame(MV_DISPLAY_FRAME_INFO* pDisplayInfo)
{
return MV_CC_DisplayOneFrame(m_hDevHandle, pDisplayInfo);
}
// ch:设置SDK内部图像缓存节点个数 | en:Set the number of the internal image cache nodes in SDK
int CMvCamera::SetImageNodeNum(unsigned int nNum)
{
return MV_CC_SetImageNodeNum(m_hDevHandle, nNum);
}
// ch:获取设备信息 | en:Get device information
int CMvCamera::GetDeviceInfo(MV_CC_DEVICE_INFO* pstDevInfo)
{
return MV_CC_GetDeviceInfo(m_hDevHandle, pstDevInfo);
}
// ch:获取GEV相机的统计信息 | en:Get detect info of GEV camera
int CMvCamera::GetGevAllMatchInfo(MV_MATCH_INFO_NET_DETECT* pMatchInfoNetDetect)
{
if (MV_NULL == pMatchInfoNetDetect)
{
return MV_E_PARAMETER;
}
MV_CC_DEVICE_INFO stDevInfo = {0};
GetDeviceInfo(&stDevInfo);
if (stDevInfo.nTLayerType != MV_GIGE_DEVICE)
{
return MV_E_SUPPORT;
}
MV_ALL_MATCH_INFO struMatchInfo = {0};
struMatchInfo.nType = MV_MATCH_TYPE_NET_DETECT;
struMatchInfo.pInfo = pMatchInfoNetDetect;
struMatchInfo.nInfoSize = sizeof(MV_MATCH_INFO_NET_DETECT);
memset(struMatchInfo.pInfo, 0, sizeof(MV_MATCH_INFO_NET_DETECT));
return MV_CC_GetAllMatchInfo(m_hDevHandle, &struMatchInfo);
}
// ch:获取U3V相机的统计信息 | en:Get detect info of U3V camera
int CMvCamera::GetU3VAllMatchInfo(MV_MATCH_INFO_USB_DETECT* pMatchInfoUSBDetect)
{
if (MV_NULL == pMatchInfoUSBDetect)
{
return MV_E_PARAMETER;
}
MV_CC_DEVICE_INFO stDevInfo = {0};
GetDeviceInfo(&stDevInfo);
if (stDevInfo.nTLayerType != MV_USB_DEVICE)
{
return MV_E_SUPPORT;
}
MV_ALL_MATCH_INFO struMatchInfo = {0};
struMatchInfo.nType = MV_MATCH_TYPE_USB_DETECT;
struMatchInfo.pInfo = pMatchInfoUSBDetect;
struMatchInfo.nInfoSize = sizeof(MV_MATCH_INFO_USB_DETECT);
memset(struMatchInfo.pInfo, 0, sizeof(MV_MATCH_INFO_USB_DETECT));
return MV_CC_GetAllMatchInfo(m_hDevHandle, &struMatchInfo);
}
// ch:获取和设置Int型参数,如 Width和Height,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Int type parameters, such as Width and Height, for details please refer to MvCameraNode.xlsx file under SDK installation directory
//int CMvCamera::GetIntValue(IN const char* strKey, OUT MVCC_INTVALUE_EX *pIntValue)
//{
// return MV_CC_GetIntValueEx(m_hDevHandle, strKey, pIntValue);
//}
int CMvCamera::GetIntValue(IN const char* strKey, OUT unsigned int* pnValue)
{
if (NULL == strKey || NULL == pnValue)
{
return MV_E_PARAMETER;
}
MVCC_INTVALUE stParam;
memset(&stParam, 0, sizeof(MVCC_INTVALUE));
int nRet = MV_CC_GetIntValue(m_hDevHandle, strKey, &stParam);
if (MV_OK != nRet)
{
return nRet;
}
*pnValue = stParam.nCurValue;
return MV_OK;
}
int CMvCamera::SetIntValue(IN const char* strKey, IN int64_t nValue)
{
return MV_CC_SetIntValueEx(m_hDevHandle, strKey, nValue);
}
// ch:获取和设置Enum型参数,如 PixelFormat,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Enum type parameters, such as PixelFormat, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CMvCamera::GetEnumValue(IN const char* strKey, OUT MVCC_ENUMVALUE *pEnumValue)
{
return MV_CC_GetEnumValue(m_hDevHandle, strKey, pEnumValue);
}
int CMvCamera::SetEnumValue(IN const char* strKey, IN unsigned int nValue)
{
return MV_CC_SetEnumValue(m_hDevHandle, strKey, nValue);
}
int CMvCamera::SetEnumValueByString(IN const char* strKey, IN const char* sValue)
{
return MV_CC_SetEnumValueByString(m_hDevHandle, strKey, sValue);
}
// ch:获取和设置Float型参数,如 ExposureTime和Gain,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Float type parameters, such as ExposureTime and Gain, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CMvCamera::GetFloatValue(IN const char* strKey, OUT MVCC_FLOATVALUE *pFloatValue)
{
return MV_CC_GetFloatValue(m_hDevHandle, strKey, pFloatValue);
}
int CMvCamera::SetFloatValue(IN const char* strKey, IN float fValue)
{
return MV_CC_SetFloatValue(m_hDevHandle, strKey, fValue);
}
// ch:获取和设置Bool型参数,如 ReverseX,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Get Bool type parameters, such as ReverseX, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CMvCamera::GetBoolValue(IN const char* strKey, OUT bool *pbValue)
{
return MV_CC_GetBoolValue(m_hDevHandle, strKey, pbValue);
}
int CMvCamera::SetBoolValue(IN const char* strKey, IN bool bValue)
{
return MV_CC_SetBoolValue(m_hDevHandle, strKey, bValue);
}
// ch:获取和设置String型参数,如 DeviceUserID,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件UserSetSave
// en:Get String type parameters, such as DeviceUserID, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CMvCamera::GetStringValue(IN const char* strKey, MVCC_STRINGVALUE *pStringValue)
{
return MV_CC_GetStringValue(m_hDevHandle, strKey, pStringValue);
}
int CMvCamera::SetStringValue(IN const char* strKey, IN const char* strValue)
{
return MV_CC_SetStringValue(m_hDevHandle, strKey, strValue);
}
// ch:执行一次Command型命令,如 UserSetSave,详细内容参考SDK安装目录下的 MvCameraNode.xlsx 文件
// en:Execute Command once, such as UserSetSave, for details please refer to MvCameraNode.xlsx file under SDK installation directory
int CMvCamera::CommandExecute(IN const char* strKey)
{
return MV_CC_SetCommandValue(m_hDevHandle, strKey);
}
// ch:探测网络最佳包大小(只对GigE相机有效) | en:Detection network optimal package size(It only works for the GigE camera)
int CMvCamera::GetOptimalPacketSize(unsigned int* pOptimalPacketSize)
{
if (MV_NULL == pOptimalPacketSize)
{
return MV_E_PARAMETER;
}
int nRet = MV_CC_GetOptimalPacketSize(m_hDevHandle);
if (nRet < MV_OK)
{
return nRet;
}
*pOptimalPacketSize = (unsigned int)nRet;
return MV_OK;
}
// ch:注册消息异常回调 | en:Register Message Exception CallBack
int CMvCamera::RegisterExceptionCallBack(void(__stdcall* cbException)(unsigned int nMsgType, void* pUser),void* pUser)
{
return MV_CC_RegisterExceptionCallBack(m_hDevHandle, cbException, pUser);
}
// ch:注册单个事件回调 | en:Register Event CallBack
int CMvCamera::RegisterEventCallBack(const char* pEventName, void(__stdcall* cbEvent)(MV_EVENT_OUT_INFO * pEventInfo, void* pUser), void* pUser)
{
return MV_CC_RegisterEventCallBackEx(m_hDevHandle, pEventName, cbEvent, pUser);
}
// ch:强制IP | en:Force IP
int CMvCamera::ForceIp(unsigned int nIP, unsigned int nSubNetMask, unsigned int nDefaultGateWay)
{
return MV_GIGE_ForceIpEx(m_hDevHandle, nIP, nSubNetMask, nDefaultGateWay);
}
// ch:配置IP方式 | en:IP configuration method
int CMvCamera::SetIpConfig(unsigned int nType)
{
return MV_GIGE_SetIpConfig(m_hDevHandle, nType);
}
// ch:设置网络传输模式 | en:Set Net Transfer Mode
int CMvCamera::SetNetTransMode(unsigned int nType)
{
return MV_GIGE_SetNetTransMode(m_hDevHandle, nType);
}
// ch:像素格式转换 | en:Pixel format conversion
int CMvCamera::ConvertPixelType(MV_CC_PIXEL_CONVERT_PARAM* pstCvtParam)
{
return MV_CC_ConvertPixelType(m_hDevHandle, pstCvtParam);
}
// ch:保存图片 | en:save image
int CMvCamera::SaveImage(MV_SAVE_IMAGE_PARAM_EX* pstParam)
{
return MV_CC_SaveImageEx2(m_hDevHandle, pstParam);
}
// ch:保存图片为文件 | en:Save the image as a file
int CMvCamera::SaveImageToFile(MV_SAVE_IMG_TO_FILE_PARAM* pstSaveFileParam)
{
return MV_CC_SaveImageToFile(m_hDevHandle, pstSaveFileParam);
}
//设置是否为触发模式
int CMvCamera::setTriggerMode(unsigned int TriggerModeNum)
{
//0:Off 1:On
int tempValue = MV_CC_SetEnumValue(m_hDevHandle, "TriggerMode", TriggerModeNum);
if (tempValue != 0){
return -1;
}
else {
return 0;
}
}
//设置触发源
int CMvCamera::setTriggerSource(unsigned int TriggerSourceNum)
{
//0:Line0 1:Line1 7:Software
int tempValue = MV_CC_SetEnumValue(m_hDevHandle, "TriggerSource", TriggerSourceNum);
if (tempValue != 0) {
return -1;
}
else {
return 0;
}
}
//发送软触发
int CMvCamera::softTrigger()
{
int tempValue = MV_CC_SetCommandValue(m_hDevHandle, "TriggerSoftware");
if (tempValue != 0)
{
return -1;
}
else
{
return 0;
}
}
//读取相机中的图像
int CMvCamera::ReadBuffer(cv::Mat& image)
{
cv::Mat* getImage = new cv::Mat();
unsigned int nRecvBufSize = 0;
MVCC_INTVALUE stParam;
memset(&stParam, 0, sizeof(MVCC_INTVALUE));
int tempValue = MV_CC_GetIntValue(m_hDevHandle, "PayloadSize", &stParam);
if (tempValue != 0)
{
return -1;
}
nRecvBufSize = stParam.nCurValue;
unsigned char* pDate;
pDate = (unsigned char*)malloc(nRecvBufSize);
MV_FRAME_OUT_INFO_EX stImageInfo = { 0 };
tempValue = MV_CC_GetOneFrameTimeout(m_hDevHandle, pDate, nRecvBufSize, &stImageInfo, 500);
if (tempValue != 0)
{
return -1;
}
m_nBufSizeForSaveImage = stImageInfo.nWidth * stImageInfo.nHeight * 3 + 2048;
unsigned char* m_pBufForSaveImage;
m_pBufForSaveImage = (unsigned char*)malloc(m_nBufSizeForSaveImage);
bool isMono;
switch (stImageInfo.enPixelType)
{
case PixelType_Gvsp_Mono8:
case PixelType_Gvsp_Mono10:
case PixelType_Gvsp_Mono10_Packed:
case PixelType_Gvsp_Mono12:
case PixelType_Gvsp_Mono12_Packed:
isMono = true;
break;
default:
isMono = false;
break;
}
if (isMono)
{
*getImage = cv::Mat(stImageInfo.nHeight, stImageInfo.nWidth, CV_8UC1, pDate);
//imwrite("d:\\测试opencv_Mono.tif", image);
}
else
{
//转换图像格式为BGR8
MV_CC_PIXEL_CONVERT_PARAM stConvertParam = { 0 };
memset(&stConvertParam, 0, sizeof(MV_CC_PIXEL_CONVERT_PARAM));
stConvertParam.nWidth = stImageInfo.nWidth; //ch:图像宽 | en:image width
stConvertParam.nHeight = stImageInfo.nHeight; //ch:图像高 | en:image height
//stConvertParam.pSrcData = m_pBufForDriver; //ch:输入数据缓存 | en:input data buffer
stConvertParam.pSrcData = pDate; //ch:输入数据缓存 | en:input data buffer
stConvertParam.nSrcDataLen = stImageInfo.nFrameLen; //ch:输入数据大小 | en:input data size
stConvertParam.enSrcPixelType = stImageInfo.enPixelType; //ch:输入像素格式 | en:input pixel format
stConvertParam.enDstPixelType = PixelType_Gvsp_BGR8_Packed; //ch:输出像素格式 | en:output pixel format 适用于OPENCV的图像格式
//stConvertParam.enDstPixelType = PixelType_Gvsp_RGB8_Packed; //ch:输出像素格式 | en:output pixel format
stConvertParam.pDstBuffer = m_pBufForSaveImage; //ch:输出数据缓存 | en:output data buffer
stConvertParam.nDstBufferSize = m_nBufSizeForSaveImage; //ch:输出缓存大小 | en:output buffer size
MV_CC_ConvertPixelType(m_hDevHandle, &stConvertParam);
*getImage = cv::Mat(stImageInfo.nHeight, stImageInfo.nWidth, CV_8UC3, m_pBufForSaveImage);
}
(*getImage).copyTo(image);
(*getImage).release();
free(pDate);
free(m_pBufForSaveImage);
return 0;
}
mytheard.cpp
#include "mythread.h"
MyThread::MyThread()
{
}
MyThread::~MyThread()
{
terminate();
if (cameraPtr != NULL)
{
delete cameraPtr;
}
if (imagePtr != NULL)
{
delete imagePtr;
}
}
void MyThread::getCameraPtr(CMvCamera* camera)
{
cameraPtr = camera;
}
void MyThread::getImagePtr(Mat* image)
{
imagePtr = image;
}
void MyThread::getCameraIndex(int index)
{
cameraIndex = index;
}
//void MyThread::get_TriggerMode(int m_nTriggerMode)
//{
// TriggerMode = m_nTriggerMode;
//}
void MyThread::run()
{
if (cameraPtr == NULL){
return;
}
if (imagePtr == NULL){
return;
}
while (!isInterruptionRequested())
{
std::cout << "Thread_Trigger:" << cameraPtr->softTrigger() << std::endl;
std::cout << "Thread_Readbuffer:" << cameraPtr->ReadBuffer(*imagePtr) << std::endl;
/*emit mess();*/
emit Display(imagePtr, cameraIndex);//发送信号 img_display_label接收并显示
msleep(30);
}
}
widget.cpp
#include <QWidget>
#include "widget.h"
#include "ui_widget.h"
#include <QDebug>
#include "MvCamera.h"
#include "QFileDialog"
#define TRIGGER_SOURCE 7
#define EXPOSURE_TIME 40000
#define FRAME 30
#define TRIGGER_ON 1
#define TRIGGER_OFF 0
#define START_GRABBING_ON 1
#define START_GRABBING_OFF 0
#define IMAGE_NAME_LEN 64
Widget::Widget(QWidget *parent)
: QWidget(parent)
, ui(new Ui::Widget)
{
ui->setupUi(this);
//初始化
ui->checkedbtn->setEnabled(true);
ui->openbtn->setEnabled(false);
ui->closebtn->setEnabled(false);
ui->rbnt_Continue_Mode->setEnabled(false);
ui->rbnt_SoftTigger_Mode->setEnabled(false);
ui->bntStartGrabbing->setEnabled(false);
ui->bntStopGrabbing->setEnabled(false);
ui->bntSoftwareOnce->setEnabled(false);
ui->bntSave_BMP->setEnabled(false);
ui->bntSave_JPG->setEnabled(false);
m_bThreadState =false;
m_bStartGrabbing = FALSE;
m_bOpenDevice = FALSE;
devices_num = 0;
nRet = MV_OK;
m_hGrabThread = NULL;
m_bContinueStarted = 0;
m_nSaveImageType = MV_Image_Bmp;
//实例化
myThread_Camera = new MyThread();
connect(myThread_Camera,SIGNAL(Display(const Mat*,int)),this,SLOT(display_myImage(const Mat*,int)));
connect(myThread_Camera,SIGNAL(mess()),this,SLOT(display_myImage(const Mat*,int)));
}
Widget::~Widget()
{
delete ui;
}
//错误信息
// ch:显示错误信息 | en:Show error message
void Widget::ShowErrorMsg(QString qMessage, int nErrorNum)
{
QString errorMsg;
if (nErrorNum == 0)
{
errorMsg= qMessage;
}
else
{
errorMsg=QString("%1: Error = %2: ").arg(qMessage).arg(nErrorNum);
}
switch(nErrorNum)
{
case 1: errorMsg += "Error or invalid handle "; break;
case 2: errorMsg += "Not supported function "; break;
case 3: errorMsg += "Cache is full "; break;
case 4: errorMsg += "Function calling order error "; break;
case 5: errorMsg += "Incorrect parameter "; break;
case 6: errorMsg += "Applying resource failed "; break;
case 7: errorMsg += "No data "; break;
case 8: errorMsg += "Precondition error, or running environment changed "; break;
case 9: errorMsg += "Version mismatches "; break;
case 10: errorMsg += "Insufficient memory "; break;
case 11: errorMsg += "Abnormal image, maybe incomplete image because of lost packet "; break;
case 12: errorMsg += "Unknown error "; break;
case 13: errorMsg += "General error "; break;
case 14: errorMsg += "Node accessing condition error "; break;
case 15: errorMsg += "No permission "; break;
case 16: errorMsg += "Device is busy, or network disconnected "; break;
case 17: errorMsg += "Network error "; break;
}
QMessageBox::information(NULL, "PROMPT", errorMsg , QMessageBox::Yes || QMessageBox::No , QMessageBox::Yes);
}
//查找设备
void Widget::on_checkedbtn_clicked()
{
QString str;
memset(&m_stDevList, 0, sizeof(MV_CC_DEVICE_INFO_LIST)); // ch:初始化设备信息列表
nRet = CMvCamera::EnumDevices(MV_GIGE_DEVICE | MV_USB_DEVICE, &m_stDevList);// ch:枚举子网内所有设备,相机设备数量
devices_num = m_stDevList.nDeviceNum;
if (devices_num > 0)
{
ui->openbtn->setEnabled(true);
// 设备数大于0,打印第一台设备信息
// qDebug() << m_stDevList.pDeviceInfo[0];
// qDebug() << m_stDevList.nDeviceNum;
// qDebug() << m_SpecialInfo.SpecialInfo.stGigEInfo.chModelName;
// qDebug() <<m_SpecialInfo.SpecialInfo.stGigEInfo.chManufacturerName;
wchar_t* pUserName = NULL;
int nIp1 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0xff000000) >> 24);//将相机的ip地址转成十进制
int nIp2 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x00ff0000) >> 16);
int nIp3 = ((m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x0000ff00) >> 8);
int nIp4 = (m_stDevList.pDeviceInfo[0]->SpecialInfo.stGigEInfo.nCurrentIp & 0x000000ff);
if (strcmp("", (LPCSTR)(m_SpecialInfo.SpecialInfo.stGigEInfo.chUserDefinedName)) != 0)//空字符串与用户自定义名称比较,如果用户有自定义名字那么就用用户自定义名字,如果没有就用厂商名称
{
DWORD dwLenUserName = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(m_SpecialInfo.SpecialInfo.stGigEInfo.chUserDefinedName), -1, NULL, 0);
pUserName = new wchar_t[dwLenUserName];
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(m_SpecialInfo.SpecialInfo.stGigEInfo.chUserDefinedName), -1, pUserName, dwLenUserName);
}
else
{
char strUserName[256] = {0};
sprintf_s(strUserName, 256, "%s %s (%s)", m_SpecialInfo.SpecialInfo.stGigEInfo.chManufacturerName,
m_SpecialInfo.SpecialInfo.stGigEInfo.chModelName,
m_SpecialInfo.SpecialInfo.stGigEInfo.chSerialNumber);
DWORD dwLenUserName = MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(strUserName), -1, NULL, 0);
pUserName = new wchar_t[dwLenUserName];
MultiByteToWideChar(CP_ACP, 0, (LPCSTR)(strUserName), -1, pUserName, dwLenUserName);
}
str = QString("相机个数:[%1],相机IP:(%3.%4.%5.%6 )").arg(m_stDevList.nDeviceNum).arg(nIp1).arg(nIp2).arg(nIp3).arg(nIp4);
ui->textEdit->setText(str);
qDebug() << str;
qDebug() << m_pcMyCamera;
}else{
ShowErrorMsg(("NO DEVICE !!!"), 0);
}
}
void Widget::OpenDevices(){
m_bThreadState = true;
m_bOpenDevice = true;
// 创建相机指针对象
for (unsigned int i = 0, j = 0; j < m_stDevList.nDeviceNum; j++, i++)
{
m_pcMyCamera[i] = new CMvCamera;
// 相机对象初始化
m_pcMyCamera[i]->m_pBufForDriver = NULL;
m_pcMyCamera[i]->m_pBufForSaveImage = NULL;
m_pcMyCamera[i]->m_nBufSizeForDriver = 0;
m_pcMyCamera[i]->m_nBufSizeForSaveImage = 0;
m_pcMyCamera[i]->m_nTLayerType = m_stDevList.pDeviceInfo[j]->nTLayerType;
nRet = m_pcMyCamera[i]->Open(m_stDevList.pDeviceInfo[j]); //打开相机
// if(nRet != MV_OK){
// ShowErrorMsg(("Open Fill"),1);
// }
//设置触发模式
m_pcMyCamera[i]->setTriggerMode(TRIGGER_ON);
//设置触发源为软触发
m_pcMyCamera[i]->setTriggerSource(TRIGGER_SOURCE);
qDebug() << m_pcMyCamera[i];
}
}
//打开设备
void Widget::on_openbtn_clicked()
{
OpenDevices();
if(nRet !=MV_OK){
ShowErrorMsg(("Open Fill"),1);
}else{
ui->openbtn->setEnabled(false);
ui->closebtn->setEnabled(true);
ui->rbnt_Continue_Mode->setEnabled(true);
ui->rbnt_SoftTigger_Mode->setEnabled(true);
ui->bntStartGrabbing->setEnabled(true);
}
}
//关闭设备
void Widget::CloseDevices()
{
for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++)
{
m_bThreadState = FALSE;
myThread_Camera->requestInterruption();
myThread_Camera->wait();
m_pcMyCamera[i]->StopGrabbing();
m_pcMyCamera[i]->Close();
m_bStartGrabbing = FALSE;
m_bOpenDevice = FALSE;
}
}
// ch:按下关闭设备按钮:关闭设备 ,包含销毁句柄
void Widget::on_closebtn_clicked()
{
ui->openbtn->setEnabled(true);
ui->closebtn->setEnabled(false);
ui->bntSoftwareOnce->setEnabled(false);
ui->bntStartGrabbing->setEnabled(false);
ui->bntStopGrabbing->setEnabled(false);
ui->rbnt_Continue_Mode->setEnabled(false);
ui->rbnt_SoftTigger_Mode->setEnabled(false);
//销毁句柄
CloseDevices();
qDebug() << m_pcMyCamera;
}
//按下连续采集按钮
void Widget::on_rbnt_Continue_Mode_clicked()
{
ui->bntStartGrabbing->setEnabled(true);
m_nTriggerMode = TRIGGER_ON;
}
// ch:按下触发模式按钮 | en:Click Trigger Mode button
void Widget::on_rbnt_SoftTigger_Mode_clicked()
{
if (m_bContinueStarted == 1) // 从连续采集模式已经正在采集的状态切换过来
{
on_bntStopGrabbing_clicked();//先执行停止采集
}
m_bContinueStarted = 0;
m_nTriggerMode = TRIGGER_OFF;
for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++)
{
m_pcMyCamera[i]->setTriggerMode(m_nTriggerMode);
}
ui->bntStartGrabbing->setEnabled(false);
ui->bntStopGrabbing->setEnabled(true);
ui->bntSoftwareOnce->setEnabled(true);
}
//软触发一次
void Widget::on_bntSoftwareOnce_clicked()
{
ui->bntSave_BMP->setEnabled(true);
ui->bntSave_JPG->setEnabled(true);
if (m_nTriggerMode == TRIGGER_OFF)
{
nRet = MV_OK;
for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++)
{
//开启相机采集
m_pcMyCamera[i]->StartGrabbing();
nRet = m_pcMyCamera[i]->CommandExecute("TriggerSoftware");
m_pcMyCamera[i]->ReadBuffer(*myImage);
display_myImage(myImage, i);//相机图像
}
}
}
// 开始采集图像
void Widget::on_bntStartGrabbing_clicked()
{
if(m_bContinueStarted == 0){
on_bntStopGrabbing_clicked();
}
m_bContinueStarted = 1; // 为触发模式标记一下,切换触发模式时先执行停止采集图像函数
// 图像采集控件
ui->bntStartGrabbing->setEnabled(false);
ui->bntStopGrabbing->setEnabled(true);
ui->bntSoftwareOnce->setEnabled(false);
// 保存图像控件
ui->bntSave_BMP->setEnabled(true);
ui->bntSave_JPG->setEnabled(true);
// 先判断什么模式,再判断是否正在采集
if (m_nTriggerMode == TRIGGER_ON)
{
// ch:开始采集之后才创建workthread线程 | en:Create workthread after start grabbing
for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++)
{
//开启相机采集
m_pcMyCamera[i]->StartGrabbing();
myThread_Camera->getCameraPtr(m_pcMyCamera[i]);//线程获取相机指针
myThread_Camera->getImagePtr(myImage);//线程获取图像指针
myThread_Camera->getCameraIndex(i); //相机数
if(!myThread_Camera->isRunning()){
myThread_Camera->start();
m_pcMyCamera[i]->softTrigger();
m_pcMyCamera[i]->ReadBuffer(*myImage);
//ui->Display_Camera_Image->setPixmap(m_pcMyCamera[i]->ReadBuffer(*myImage));
}
}
}
}
//停止采集
void Widget::on_bntStopGrabbing_clicked()
{
ui->bntStartGrabbing->setEnabled(true);
ui->bntStopGrabbing->setEnabled(false);
ui->bntSave_BMP->setEnabled(false);
ui->bntSave_JPG->setEnabled(false);
ui->bntSoftwareOnce->setEnabled(false);
for (unsigned int i = 0; i < m_stDevList.nDeviceNum; i++)
{
//停止线程,相机停止采集
if (myThread_Camera->isRunning())
{
m_pcMyCamera[i]->StopGrabbing();
myThread_Camera->requestInterruption();
myThread_Camera->wait();
}
}
}
//显示图像
void Widget::display_myImage(const Mat* imagePrt, int cameraIndex)
{
cv::Mat rgb;
cv::cvtColor(*imagePrt, rgb, CV_BGR2RGB);
//判断是黑白、彩色图像
QImage QmyImage;
if (rgb.channels() > 1)
{
// QmyImage = QImage((const unsigned char*)(rgb.data), rgb.cols, rgb.rows, QImage::Format_RGB888);
QmyImage =QImage((const unsigned char*)(rgb.data),
rgb.cols,rgb.rows,
rgb.cols*rgb.channels(),
QImage::Format_RGB888);
// cv::namedWindow("test",cv::WINDOW_FREERATIO);
// cv::imshow("test",rgb);
// cv::waitKey(0);
}
else
{
QmyImage = QImage((const unsigned char*)(rgb.data), rgb.cols, rgb.rows, QImage::Format_Indexed8);
}
QmyImage = (QmyImage).scaled(ui->Display_Camera_Image->size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
//显示图像
ui->Display_Camera_Image->setPixmap(QPixmap::fromImage(QmyImage));
ui->Display_Camera_Image->show();
// Sleep(1);
}
//保存图片
int Widget::SaveImage(MV_SAVE_IAMGE_TYPE m_nSaveImageType){
// ch:获取1张图 | en:Get one frame
MV_FRAME_OUT_INFO_EX stImageInfo = { 0 };
memset(&stImageInfo, 0, sizeof(MV_FRAME_OUT_INFO_EX));
unsigned int nDataLen = 0;
nRet = MV_OK;
for (int i = 0; i < devices_num; i++)
{
// ch:仅在第一次保存图像时申请缓存,在 CloseDevice 时释放
// en:Request buffer first time save image, release after CloseDevice
if (NULL == m_pcMyCamera[i]->m_pBufForDriver)
{
unsigned int nRecvBufSize = 0;
nRet = m_pcMyCamera[i]->GetIntValue("PayloadSize", &nRecvBufSize);
m_pcMyCamera[i]->m_nBufSizeForDriver = nRecvBufSize; // 一帧数据大小
m_pcMyCamera[i]->m_pBufForDriver = (unsigned char*)malloc(m_pcMyCamera[i]->m_nBufSizeForDriver);
}
nRet = m_pcMyCamera[i]->GetOneFrameTimeout(m_pcMyCamera[i]->m_pBufForDriver, &nDataLen, m_pcMyCamera[i]->m_nBufSizeForDriver, &stImageInfo, 1000);
if (MV_OK == nRet)
{
// ch:仅在第一次保存图像时申请缓存,在 CloseDevice 时释放
// en:Request buffer first time save image, release after CloseDevice
if (NULL == m_pcMyCamera[i]->m_pBufForSaveImage)
{
// ch:BMP图片大小:width * height * 3 + 2048(预留BMP头大小)
// en:BMP image size: width * height * 3 + 2048 (Reserved BMP header size)
m_pcMyCamera[i]->m_nBufSizeForSaveImage = stImageInfo.nWidth * stImageInfo.nHeight * 3 + 2048;
m_pcMyCamera[i]->m_pBufForSaveImage = (unsigned char*)malloc(m_pcMyCamera[i]->m_nBufSizeForSaveImage);
}
// ch:设置对应的相机参数 | en:Set camera parameter
MV_SAVE_IMAGE_PARAM_EX stParam = { 0 };
stParam.enImageType = m_nSaveImageType; // ch:需要保存的图像类型 | en:Image format to save;
stParam.enPixelType = stImageInfo.enPixelType; // 相机对应的像素格式 | en:Pixel format
stParam.nBufferSize = m_pcMyCamera[i]->m_nBufSizeForSaveImage; // 存储节点的大小 | en:Buffer node size
stParam.nWidth = stImageInfo.nWidth; // 相机对应的宽 | en:Width
stParam.nHeight = stImageInfo.nHeight; // 相机对应的高 | en:Height
stParam.nDataLen = stImageInfo.nFrameLen;
stParam.pData = m_pcMyCamera[i]->m_pBufForDriver;
stParam.pImageBuffer = m_pcMyCamera[i]->m_pBufForSaveImage;
stParam.nJpgQuality = 90; // ch:jpg编码,仅在保存Jpg图像时有效。保存BMP时SDK内忽略该参数
nRet = m_pcMyCamera[i]->SaveImage(&stParam);
char chImageName[IMAGE_NAME_LEN] = { 0 };
if (MV_Image_Bmp == stParam.enImageType)
{//图片输出格式为BMP
/*sprintf_s(chImageName, IMAGE_NAME_LEN, "Image_w%d_h%d_fn%03d_L.bmp", stImageInfo.nWidth, stImageInfo.nHeight, stImageInfo.nFrameNum);*/
//sprintf_s(chImageName, IMAGE_NAME_LEN, "%03d_L.bmp", stImageInfo.nFrameNum);
sprintf_s(chImageName, IMAGE_NAME_LEN, "%d-current_image.bmp", stImageInfo.nFrameNum);
}
else if (MV_Image_Jpeg == stParam.enImageType)
{
//sprintf_s(chImageName, IMAGE_NAME_LEN, "Image_w%d_h%d_fn%03d_L.bmp", stImageInfo.nWidth, stImageInfo.nHeight, stImageInfo.nFrameNum);
sprintf_s(chImageName, IMAGE_NAME_LEN, "%d-current_image.jpg", stImageInfo.nFrameNum);
}
//qDebug() << chImageName;
//将图片保存到指定路径
QString filename=QFileDialog::getSaveFileName(this,tr("save Image"),chImageName);
QByteArray ba = filename.toLatin1();
char* Filename = ba.data(); //将QString装换为char*
FILE* fp = fopen(Filename, "wb");//只写打开或新建一个二进制文件;只允许写数据
fwrite(m_pcMyCamera[i]->m_pBufForSaveImage, 1, stParam.nImageLen, fp);
//ui->label_debug->setText("save imgs");
fclose(fp);
}
}
return MV_OK;
}
//图片保存为BMP
void Widget::on_bntSave_BMP_clicked()
{
nRet = SaveImage(MV_Image_Bmp);
if(nRet != MV_OK){
ShowErrorMsg("NO IMAGE",11);
}else{
QMessageBox::information(NULL,"SAVE BMP","Save Image Successed",QMessageBox::Yes);
}
}
//图片保存为JPG
void Widget::on_bntSave_JPG_clicked()
{
nRet = SaveImage(MV_Image_Jpeg);
if(nRet != MV_OK){
ShowErrorMsg("NO IMAGE",11);
}else{
QMessageBox::information(NULL,"SAVE JPEG","Save Image Successed",QMessageBox::Yes);
}
}