void CScanImage::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
if(bCameraActive&&bWindowMoved==TRUE)
{
okSetToWndRect(hBoard,m_image);//设置Picture控件为目标体
okCaptureTo(hBoard,SCREEN,0,0);//恢复连续采样
bWindowMoved=FALSE;
}
CDialog::OnLButtonDown(nFlags, point);
}
void CScanImage::OnMove(int x, int y)
{
CDialog::OnMove(x, y);
if(bCameraActive&&bWindowMoved)
{
okSetToWndRect(hBoard,m_image);//设置Picture控件为目标体
okCaptureTo(hBoard,SCREEN,0,0);//恢复连续采样
}
// TODO: Add your message handler code here
}
void VideoToGet::run()
{
_init = false;
_stop = false;
bool success = start_camera();
_init=true;
if (!success)
{
return;
}
LPBYTE lpbuf;
short height,width;
long stride;
long no=0;
int _is_new_picture;
lpbuf=(unsigned char *)okGetTargetInfo(hBoard,BUFFER,no,&width,&height,&stride);
//int i=0;ceshi
// QTime t;
// t.start();
// cv::Mat _buf_image(576,768,CV_8UC3);
// int _i=0;
while(!_stop)
{
while(_can_capture)
{
qDebug()<<"capture"<<timer.currentTime();
_is_new_picture=okCaptureTo(hBoard,BUFFER,0,0);//第四个参数是0；代表连续采集，即是实时采集，无回调支持
if(_is_new_picture>0)
{
emit new_image(lpbuf);
_is_new_picture=0;
_can_capture=false;
}
}
}
}
void CScanImage::OnButton1()
{
// TODO: Add your control notification handler code here
okCaptureTo(hBoard,BUFFER,0,CROSS_CAPTURE_NUM);//采集一幅图像
okGetCaptureStatus(hBoard,1);//等待采集完毕
long lBitNumber=CAMERA_WIDTH*CAMERA_HEIGHT;//单幅图像数据所需空间大小
cData=new unsigned char[lBitNumber]; //开辟自用图像数据区
memcpy(cData, lpLinear, lBitNumber); //将BUFFER中数据拷贝到开辟的自由图像数据区
int nCenterX,nCenterY;
int nWidth=CAMERA_WIDTH;
int nHeight=CAMERA_HEIGHT;
FindCenter(cData,nCenterX,nCenterY,nWidth,nHeight);//在当前的图像数据中，寻找亮度极大值点（作为十字叉中心）
delete cData;
m_nXPos=nCenterX;
m_nYPos=nCenterY;
Invalidate();
}
BOOL CScanImage::OnInitDialog()
{
CDialog::OnInitDialog();
// TODO: Add extra initialization here
bWindowMoved=FALSE;
pComboBox1=(CComboBox*)GetDlgItem(IDC_COMBO1);//初始化组合框类指针成员
pComboBox2=(CComboBox*)GetDlgItem(IDC_COMBO2);//初始化组合框类指针成员
CMainFrame* MainFramePoint=(CMainFrame*)((CFrameWnd*)AfxGetApp()->m_pMainWnd);
hBoard=MainFramePoint->getHANDLEOK();//获得相机句柄
lpLinear=MainFramePoint->getLPBYTEOK();//获得相机数据空间指针
okSetToWndRect(hBoard,m_image);//设置相机输出对象
if(!okCaptureTo(hBoard,SCREEN,0,0))//启动相机（连续拍摄模式）
sprintf(cItemText,"Could not capture the camera image!");
else
bCameraActive=TRUE;//设置相机为工作状态
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CScanImage::OnButton2()
{
// TODO: Add your control notification handler code here
okCaptureTo(hBoard,BUFFER,0,CROSS_CAPTURE_NUM);//采集一幅图像
okGetCaptureStatus(hBoard,1);//等待采集结束
int nWidth=CAMERA_WIDTH;
int nHeight=CAMERA_HEIGHT;
long lBitNumber=nWidth*nHeight;//单幅图像所需数据空间大小
BITMAPFILEHEADER fhead;
LPBITMAPINFOHEADER lpDIBInfo;
BYTE *lpBmp;
eDIB=GlobalAlloc(GMEM_MOVEABLE, sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)+sizeof(unsigned char)*lBitNumber);//开辟位图空间
lpBmp=(BYTE*)GlobalLock(eDIB);
//以下写文件头
lpDIBInfo=(LPBITMAPINFOHEADER)lpBmp;
lpDIBInfo->biSize = sizeof(BITMAPINFOHEADER);
lpDIBInfo->biWidth = nWidth;
lpDIBInfo->biHeight = nHeight;
lpDIBInfo->biPlanes = 1;
lpDIBInfo->biBitCount = 8;
lpDIBInfo->biCompression = 0;
lpDIBInfo->biSizeImage = (lpDIBInfo->biWidth)*(lpDIBInfo->biHeight);
lpDIBInfo->biXPelsPerMeter = 0;
lpDIBInfo->biYPelsPerMeter = 0;
lpDIBInfo->biClrUsed = 0;
lpDIBInfo->biClrImportant = 0;
//以下写色盘
RGBQUAD *bmiColors;
bmiColors = (RGBQUAD*)(lpBmp+sizeof(BITMAPINFOHEADER));
for(int i=0;i<256;i++,bmiColors++)
{
bmiColors->rgbBlue=i;
bmiColors->rgbGreen=i;
bmiColors->rgbRed=i;
bmiColors->rgbReserved=0;
}
//以下写图像数据
BYTE *lpBmpValue;
for(i=0;i<nHeight;i++)
{
for(int j=0;j<nWidth;j++)
{
lpBmpValue=lpBmp+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)+
+ (nHeight-i-1)*nWidth+j;
*lpBmpValue=*(lpLinear+i*nWidth+j);
}
}
//写文件头
//lpDIBInfo=(LPBITMAPINFOHEADER)lpBmp;
fhead.bfType=256*'M'+'B';
fhead.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)
+256*sizeof(RGBQUAD)+lBitNumber*sizeof(unsigned char);
fhead.bfReserved1=0;
fhead.bfReserved2=0;
fhead.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
//保存数据
CFileDialog browsefile(FALSE, "bmp", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,
"Windows Bitmap Files(*.BMP)|*.bmp||", NULL);
CString FileName;
FILE *fp;
if (browsefile.DoModal()==IDOK)
{
FileName=browsefile.GetPathName();
fp=fopen((LPCTSTR)FileName, "wb");
fwrite(&fhead,1,sizeof(BITMAPFILEHEADER),fp);
fwrite(lpBmp,1,sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD)
+lBitNumber*sizeof(unsigned char),fp);
fclose(fp);
}
}
void VideoInput::run()
{
_init = false;
_stop = false;
bool success = start_camera();
_init=true;
if (!success)
{
return;
}
LPBYTE lpbuf;
short height,width;
long stride;
long no=0;
int _is_new_picture;
lpbuf=(unsigned char *)okGetTargetInfo(hBoard,BUFFER,no,&width,&height,&stride);
//int i=0;ceshi
// QTime t;
// t.start();
// cv::Mat _buf_image(576,768,CV_8UC3);
// int _i=0;
while(!_stop)
{
_is_new_picture=okCaptureTo(hBoard,BUFFER,0,0);//第四个参数是0；代表连续采集，即是实时采集，无回调支持
//if(_is_new_picture>0)
//QString ii=(QString("[%1]").arg(i));
//QString str="C:/Users/Administrator/Desktop/111/1123"+ii+".jpg";
//LPSTR strc=(char*)str.toStdString().data();
if(_is_new_picture>0)
{
//okSaveImageFile(hBoard,strc,0,BUFFER,0,1);
emit new_image(lpbuf);
_is_new_picture=0;
//ceshi
// _i++;
// QString ii=(QString("[%1]").arg(_i));
// QString str="C:/Users/Administrator/Desktop/111/1"+ii+".jpg";
// cv::imwrite(str.toStdString(),_buf_image);//写文件耗时45ms
// int bufnum=0;
// int row_num=_buf_image.rows;
// int col_num=_buf_image.cols*_buf_image.channels();//此循环耗时6-7ms
// for(int j=0;j<row_num;j++){
// unsigned char * data = _buf_image.ptr<uchar>(j);
// for(int i=0;i<col_num;i++){
// data[i]=*(lpbuf+bufnum);
// bufnum++;
// }
// }
//cv::imwrite(str.toStdString(),_buf_image);//写文件耗时45ms
// i++;
}
//qDebug()<<lpbuf;
//qDebug( "%d\n", t.elapsed() );
}
//qDebug( "%d\n", t.elapsed() );
}
