#include 
#include 
#include
#include 
#include 
#include
#define BINARY_THRESHOLD 240

LONG Get_ScreenWidth()
{
RECT	rect;
GetWindowRect(GetDesktopWindow(),&rect);
return rect.right ¨C rect.left;
}

LONG Get_ScreenHight()
{
RECT	rect;
GetWindowRect(GetDesktopWindow(),&rect);
return rect.bottom ¨C rect.top;
}

void Get_ScreenWidth(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_LEFTDOWN;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

void Left_MouseDown(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_LEFTDOWN;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

void Left_MouseUp(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_LEFTUP;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

void Right_MouseDown(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_RIGHTDOWN;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

void Right_MouseUp(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_RIGHTUP;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

void Left_SingleClick(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_LEFTDOWN;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_LEFTUP;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}
void Right_SingleClick(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_RIGHTDOWN;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_RIGHTUP;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}
void Left_DoubleClick(DWORD dx,DWORD dy)
{
Left_SingleClick(dx,dy);
Left_SingleClick(dx,dy);
}
void Right_DoubleClick(DWORD dx,DWORD dy)
{
Right_SingleClick(dx,dy);
Right_SingleClick(dx,dy);
}
void Mouse_Move(DWORD dx,DWORD dy)
{
DWORD event=0;
event = MOUSEEVENTF_ABSOLUTE|MOUSEEVENTF_MOVE;
mouse_event(event, dx*65535/Get_ScreenWidth(), dy*65535/Get_ScreenHight(), 0, 0);
}

IplImage* filterNoise(IplImage *img)
{
static IplImage* pyr = NULL;
if(!pyr)
{
pyr = cvCreateImage( cvSize(img->width/2, img->height/2), 8, 1 );
}
cvSmooth(img, img, CV_GAUSSIAN, 3, 0, 0);
cvPyrDown(img, pyr, CV_GAUSSIAN_5x5);
cvPyrUp(pyr, img, CV_GAUSSIAN_5x5);
cvErode(img, img, 0, 1);
cvDilate(img, img, 0, 1);
return img;
}

IplImage* convertToBinary(IplImage *in, IplImage *out)
{
cvCvtColor(in, out, CV_BGR2GRAY);
cvThreshold(out, out, BINARY_THRESHOLD, 255, CV_THRESH_BINARY);
return out;
}

void findBlobs(IplImage *bin_img, IplImage* debug_img)
{
static CvMemStorage *storage = cvCreateMemStorage(0);
CvSeq * contour;
CvScalar color;
DWORD event=0;
cvFindContours( bin_img, storage, &contour, sizeof(CvContour),
CV_RETR_CCOMP, CV_CHAIN_APPROX_NONE);
for(; contour; contour = contour->h_next)
{
CvRect rect = cvBoundingRect(contour, 1);
CvPoint pt1 = cvPoint(rect.x, rect.y),
pt2 = cvPoint(rect.x+rect.width, rect.y+rect.height);
if(debug_img)
{
cvRectangle(debug_img, pt1, pt2, CV_RGB(255,0,0),2);
cvDrawContours(debug_img, contour,
CV_RGB(255,0,0), CV_RGB(255, 0, 0), 0, 2, 8);
color = CV_RGB(0,255,0);
cvCircle(debug_img, cvPoint((pt1.x+pt2.x)/2, (pt1.y+pt2.y)/2), 10, color, 3);
Mouse_Move((pt1.x+pt2.x)/2, (pt1.y+pt2.y)/2);
}
}
}

int main(int argc, char** argv)
{
CvCapture* capture;
IplImage *img, *bin_img = NULL;
int key;
capture = cvCaptureFromCAM(0);
cvNamedWindow(¡°mainWin¡±, CV_WINDOW_AUTOSIZE);
cvMoveWindow(¡°mainWin¡±, 600, 100);
while(cvGrabFrame(capture))
{
img=cvRetrieveFrame(capture);
if(!bin_img)
{
bin_img=cvCreateImage( cvGetSize(img), IPL_DEPTH_8U, 1 );
}

cvFlip(img, NULL, 0);
convertToBinary(img, bin_img);
filterNoise(bin_img);

findBlobs(bin_img, img);

cvFlip(img, NULL, 0);
cvShowImage(¡°mainWin¡±, img);

key=cvWaitKey(1);
if(key == 27 || key == ¡®q¡¯)
{
break;
}
if(key == ¡® ¡®)
{
cvWaitKey(0);
}
}
DWORD dx = 0,dy = 0;
while(1)
{
if(dx >1024)
{
dx = 0;
}
if(dy >1024)
{
dy = 0;
}
Mouse_Move(dx++,dy++);
Left_SingleClick(dx,dy);
key=cvWaitKey(20);
if(key == 27 || key == ¡®q¡¯)
{
break;
}
}

cvReleaseCapture(&capture);
return 0;
}