void COpenCVMFCView::OnThresholding2()
{
// TODO: Add your command handler code here
int flag=0,thre=0;
threImage = cvCloneImage(workImg);
cvFlip(threImage);
threImage0 = cvCloneImage(threImage);
cvNamedWindow(threWin, 0);
cvResizeWindow(threWin, 300, 320);
cvCreateTrackbar( "Thresh", threWin, &Threshold, 255, onThreChange2 );
cvShowImage( threWin, threImage );
onThreChange2(0);
m_ImageType=-3;
for (;;) {
if (cvWaitKey(40) == 27)
break;
if (flag == 0) {
free(m_lpBmi);
m_lpBmi = CtreateMapInfo(workImg,1);
flag=1;
}
if (Threshold != thre) {
cvCopy(threImage0,workImg);
cvFlip(workImg);
CClientDC dc(this);
StretchDIBits(dc.m_hDC, // Refresh View
0,0,workImg->width,workImg->height,
0,0,workImg->width,workImg->height,
workImg->imageData,m_lpBmi,DIB_RGB_COLORS,SRCCOPY);
thre = Threshold;
}
}
cvReleaseImage(&threImage);
cvReleaseImage(&threImage0);
cvDestroyWindow(threWin);
m_ImageType = -1;
Invalidate();
}
void COpenCVMFCView::OnDraw(CDC* pDC)
{
COpenCVMFCDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
// TODO: add draw code for native data here
if (pDoc->pImg != NULL) { // got image to save to disk
if (pDoc->m_Display == 0) { // not displayed yet
imageClone(pDoc->pImg,&saveImg); // copy to backup image
m_dibFlag = imageClone(saveImg,&workImg); // copy to work image
m_ImageType = imageType(workImg);
m_SaveFlag = m_ImageType;
pDoc->m_Display = 1;
}
}
if (m_dibFlag) { // convert the DIB format
if (m_lpBmi)
free(m_lpBmi);
m_lpBmi = CtreateMapInfo(workImg,m_dibFlag);
m_dibFlag = 0;
CSize sizeTotal;
sizeTotal = CSize(workImg->width,workImg->height);
SetScrollSizes(MM_TEXT,sizeTotal); // set the scroll bar
}
char *pBits;
if (m_CaptFlag == 1)
pBits = m_Frame->imageData;
else if (workImg)
pBits = workImg->imageData;
if (workImg) { // refresh UI
StretchDIBits(pDC->m_hDC,
0,0,workImg->width,workImg->height,
0,0,workImg->width,workImg->height,
pBits,m_lpBmi,DIB_RGB_COLORS,SRCCOPY);
}
}
void CFRManagerCtrl::ShowImageOnClient(HDC pDC, IplImage* image, CRect rect,CRect ROI,int flags)
{
char info[100];
IplImage* image_show=cvCloneImage(image);
if (ROI.Width()!=0&&ROI.Height()!=0)
{
CvRect rc;
rc.x=ROI.left;
rc.y=ROI.top;
rc.height=ROI.Height();
rc.width=ROI.Width();
cvSetImageROI(image,rc);
cvNamedWindow("处理前");
cvShowImage("处理前",image);
//转换色彩空间
cvCvtColor(image,image,CV_RGB2HSV);
//分离通道
IplImage* imgChannel[3] = { 0, 0, 0 };
for (int i=0; i<image->nChannels; i++)
{
imgChannel[i] = cvCreateImage( cvGetSize( image ), IPL_DEPTH_8U, 1 ); //要求单通道图像才能直方图均衡化
}
cvSplit( image, imgChannel[0], imgChannel[1], imgChannel[2],0);//HSVA
CvFont font;
cvInitFont( &font,CV_FONT_HERSHEY_PLAIN,1, 1, 0, 1, 8);
for (int i=0; i<image->nChannels; i++)
{
CvScalar avg=cvAvg(imgChannel[i]);
memset(info,'\0',100);
sprintf(info,"%f",avg.val[0]);
cvPutText(image_show, info , cvPoint(0,20*(i+1)), &font, CV_RGB(255,0,0));
}
// CvScalar avg=cvAvg(image);
// memset(info,'\0',100);
// sprintf(info,"%f",avg.val[0]);
// CvFont font;
// cvInitFont( &font,CV_FONT_HERSHEY_PLAIN,1, 1, 0, 1, 8);
// cvPutText(image_show, info , cvPoint(0,20), &font, CV_RGB(255,0,0));
/*cvCvtScale(image,image,1.0,100-avg.val[0]);*/
CvScalar avg=cvAvg(imgChannel[2]);
cvCvtScale(imgChannel[2],imgChannel[2],1.0,YUZHI-avg.val[0]);
cvMerge( imgChannel[0], imgChannel[1], imgChannel[2], 0, image );
for (int i=0; i<image->nChannels; i++)
{
CvScalar avg=cvAvg(imgChannel[i]);
memset(info,'\0',100);
sprintf(info,"%f",avg.val[0]);
cvPutText(image_show, info , cvPoint(0,20*(i+4)), &font, CV_RGB(255,0,0));
}
cvCvtColor(image,image,CV_HSV2RGB);
cvNamedWindow("处理后");
cvShowImage("处理后",image);
for (int i=0; i<image->nChannels; i++)
{
cvReleaseImage(&imgChannel[i] );
}
// avg=cvAvg(image);
// memset(info,'\0',100);
// sprintf(info,"%f",avg.val[0]);
// cvPutText(image_show, info , cvPoint(0,40), &font, CV_RGB(255,0,0));
}
char* imagedata=image_show->imageData;
LPBITMAPINFO lpbitm;
lpbitm=CtreateMapInfo(image_show,flags);
StretchDIBits(pDC,
rect.left,rect.top,rect.Width(),rect.Height(),
0,0,image_show->width,image_show->height,
imagedata,lpbitm,DIB_RGB_COLORS,SRCCOPY);
cvReleaseImage(&image_show);
//pDC.Rectangle(rect);
}
