OpenCV鼠标控制窗口大小（使用1.0vison）

#include <highgui.h>
#include <imgproc/imgproc.hpp>
#include <opencv.hpp>
#include <core/types_c.h>

using namespace std ;
using namespace cv ;

IplImage *vis_image ;//可见光图片
IplImage *ir_image  ;//红外光图片
IplImage *imagesum  ;//融合图片

IplImage *m_display=cvCreateImage(cvSize(1080,600),IPL_DEPTH_8U,3);//整个窗口
IplImage *temp_display=cvCreateImage(cvSize(720,560),IPL_DEPTH_8U,3);//左侧融合窗口
IplImage *temp1_display=cvCreateImage(cvSize(360,280),IPL_DEPTH_8U,3);//右上可见光窗口
IplImage *temp2_display=cvCreateImage(cvSize(360,280),IPL_DEPTH_8U,3);//右下红外窗口

IplImage *large_display = cvCreateImage(cvSize(1080,560),IPL_DEPTH_8U,3);//大窗口显示一个图片

CvRect rectsum=cvRect(0,0,720,560);//左侧融合窗口区域
CvRect rect1=cvRect(720,0,360,280);//右上可见光区域
CvRect rect2=cvRect(720,280,360,280);//右下红外光区域

CvRect rectLarge = cvRect(0 , 0 , 1080 , 560) ;

void showFusion()
{
	cvResize(imagesum,large_display,CV_INTER_LINEAR);
	cvSetImageROI(m_display,rectLarge);
	cvCopy(large_display,m_display);
	cvResetImageROI(m_display);
}

void showVison()
{
	cvResize(vis_image,large_display,CV_INTER_LINEAR);
	cvSetImageROI(m_display,rectLarge);
	cvCopy(large_display,m_display);
	cvResetImageROI(m_display);
}

void showRed()
{
	cvResize(ir_image,large_display,CV_INTER_LINEAR);
	cvSetImageROI(m_display,rectLarge);
	cvCopy(large_display,m_display);
	cvResetImageROI(m_display);
}

void showThreeImage()
{
	cvResize(imagesum,temp_display,CV_INTER_LINEAR);
	cvResize(vis_image,temp1_display,CV_INTER_LINEAR);
	cvResize(ir_image, temp2_display, CV_INTER_LINEAR);

	cvSetImageROI(m_display,rectsum);
	cvCopy(temp_display,m_display);
	cvResetImageROI(m_display);

	cvSetImageROI(m_display,rect1);
	cvCopy(temp1_display,m_display);
	cvResetImageROI(m_display);

	cvSetImageROI(m_display,rect2);
	cvCopy(temp2_display,m_display);
	cvResetImageROI(m_display);

	cvRectangle(m_display,cvPoint(1,1),cvPoint(719,559),CV_RGB(100,255,100), 1);
	cvRectangle(m_display,cvPoint(721,1),cvPoint(1079,279),CV_RGB(100,255,100), 1);
	cvRectangle(m_display,cvPoint(721,281),cvPoint(1079,559),CV_RGB(100,255,100), 1);
}

void process0(int x , int y , int &flag)//三个窗口下点击
{
	int id ;
	if(x > 0 && x < 720)id = 0 ;
	else if(y > 0 && y < 280) id = 1;
	else id = 2;

	switch (id)
	{
	case 0://点击融合图像
		showFusion() ;
		cvShowImage("fusion" , m_display) ;
		flag = 1 ;
		break;
	case 1://点击可见光图像
		showVison() ;
		cvShowImage("fusion" , m_display) ;
		flag = 2 ;
		break;
	case 2://点击红外光图像
		showRed() ;
		cvShowImage("fusion" , m_display) ;
		flag = 3 ;
		break;
	default:
		break;
	}
}

void process1(int x , int y , int &flag)
{
	showThreeImage() ;
	cvShowImage("fusion" , m_display) ;
	flag = 0 ;
}

void onMouse(int Event , int x  , int y , int flags , void *param)
{
	int &ID = (*((int *)param)) ;
	switch(Event)
	{
	case CV_EVENT_LBUTTONDBLCLK://左键双击
		switch (ID)
		{
		case 0://三个窗口下点击
			process0(x , y , ID) ;
			break;
		default://其他单窗口下点击
			process1(x , y , ID) ;
			break;
		}
		break;
	default:
		break;
	}
}

int main()
{	
	//flag = 0 ;表示显示三个子窗口，flag = 1 ,放大显示融合窗口 ，
	//flag = 2 ，放大显示可见光窗口，flag = 3 放大显示红外光窗口
	int flag = 0 ;
	//CvCapture vison ,red , fusion ;
	cvNamedWindow("fusion") ;
	CvCapture *vison = cvCaptureFromFile("01.***I") ;
	CvCapture *redLight = cvCaptureFromFile("02.***I") ;
	CvCapture *fusion = cvCaptureFromFile("03.***I") ;

	while((vis_image = cvQueryFrame(vison)) &&
		   (ir_image = cvQueryFrame(redLight)) &&
		   (imagesum = cvQueryFrame(fusion)))
	{
// 		vis_image = cvLoadImage("1.jpg");//可见光图片
// 		ir_image  = cvLoadImage("2.jpg");//红外光图片
// 		imagesum  = cvLoadImage("3.jpg");//融合图片

		if(0 == flag)showThreeImage() ;
		else if(1 == flag)showFusion() ;
		else if(2 == flag)showVison() ;
		else showRed() ;

		cvShowImage("fusion" , m_display) ;
		cvSetMouseCallback("fusion" , onMouse , &flag) ; 

		int key = cvWaitKey(1) ;
		if(key >= 0)break ;
	}
	//cvWaitKey() ;
	return 0 ;
}