int cam() //calling main
{
int hdims = 16;
printf("I am main");
CvCapture* capture = cvCreateCameraCapture(1); //determining usb camera
CvHistogram *hist = 0;
CvMemStorage* g_storage = NULL;
Display *display=construct_display();
int x,y, tmpx=0, tmpy=0, chk=0;
IplImage* image=0;
IplImage* lastimage1=0;
IplImage* lastimage=0;
IplImage* diffimage;
IplImage* bitimage;
IplImage* src=0,*hsv=0,*hue=0,*backproject=0;
IplImage* hsv1=0,*hue1=0,*histimg=0,*frame=0,*edge=0;
float* hranges;
cvNamedWindow( "CA", CV_WINDOW_AUTOSIZE ); //display window 3
//Calculation of Histogram//
cvReleaseImage(&src);
src= cvLoadImage("images/skin.jpg"); //taking patch
while(1)
{
frame = cvQueryFrame( capture ); //taking frame by frame for image prcessing
int j=0;
float avgx=0;
float avgy=0;
if( !frame ) break;
//#########################Background Substraction#########################//
if(!image)
{
image=cvCreateImage(cvSize(frame->width,frame->height),frame->depth,1);
bitimage=cvCreateImage(cvSize(frame->width,frame->height),frame->depth,1);
diffimage=cvCreateImage(cvSize(frame->width,frame->height),frame->depth,1);
lastimage=cvCreateImage(cvSize(frame->width,frame->height),frame->depth,1);
}
cvCvtColor(frame,image,CV_BGR2GRAY);
if(!lastimage1)
{
lastimage1=cvLoadImage("images/img.jpg");
}
cvCvtColor(lastimage1,lastimage,CV_BGR2GRAY);
cvAbsDiff(image,lastimage,diffimage);
cvThreshold(diffimage,bitimage,65,225,CV_THRESH_BINARY);
cvInRangeS(bitimage,cvScalar(0),cvScalar(30),bitimage);
cvSet(frame,cvScalar(0,0,0),bitimage);
cvReleaseImage(&hsv);
hsv= cvCreateImage( cvGetSize(src), 8, 3 );
cvReleaseImage(&hue);
hue= cvCreateImage( cvGetSize(src), 8, 1);
cvCvtColor(src,hsv,CV_BGR2HSV);
cvSplit(hsv,hue,0,0,0);
float hranges_arr[] = {0,180};
hranges = hranges_arr;
hist = cvCreateHist( 1, &hdims, CV_HIST_ARRAY, &hranges, 1 );
cvCalcHist(&hue, hist, 0, 0 );
cvThreshHist( hist, 100 );
//#############################Display histogram##############################//
cvReleaseImage(&histimg);
histimg = cvCreateImage( cvSize(320,200), 8, 3 );
cvZero( histimg );
int bin_w = histimg->width / hdims;
//#### Calculating the Probablity of Finding the skin with in-built method ###//
if(0)
{
free (backproject);
free (hsv1);
free (hue1);
}
cvReleaseImage(&backproject);
backproject= cvCreateImage( cvGetSize(frame), 8, 1 );
cvReleaseImage(&hsv1);
hsv1 = cvCreateImage( cvGetSize(frame), 8, 3);
cvReleaseImage(&hue1);
hue1 = cvCreateImage( cvGetSize(frame), 8, 1);
cvCvtColor(frame,hsv1,CV_BGR2HSV);
cvSplit(hsv1,hue1,0,0,0);
cvCalcBackProject( &hue1, backproject, hist );
cvSmooth(backproject,backproject,CV_GAUSSIAN);
cvSmooth(backproject,backproject,CV_MEDIAN);
if( g_storage == NULL )
g_storage = cvCreateMemStorage(0);
else
cvClearMemStorage( g_storage );
CvSeq* contours=0;
CvSeq* result =0;
cvFindContours(backproject, g_storage, &contours );
if(contours)
{
result=cvApproxPoly(contours, sizeof(CvContour), g_storage,
CV_POLY_APPROX_DP, 7, 1);
}
cvZero( backproject);
for( ; result != 0; result = result->h_next )
{
double area = cvContourArea( result );
cvDrawContours( backproject,result, CV_RGB(255,255, 255), CV_RGB(255,0, 255)
, -1,CV_FILLED, 8 );
for( int i=1; i<=result-> total; i++ )
{
if(i>=1 and abs(area)>300)
{
CvPoint* p2 = CV_GET_SEQ_ELEM( CvPoint, result, i );
if(1)
{
avgx=avgx+p2->x;
avgy=avgy+p2->y;
j=j+1;
cvCircle(backproject,cvPoint(p2->x,p2->y ),10,
cvScalar(255,255,255));
}
}
}
}
cvCircle( backproject, cvPoint(avgx/j, avgy/j ), 40, cvScalar(255,255,255) );
x = ( avgx/j );
y = ( avgy/j );
x=( (x*1240)/640 )-20;
y=( (y*840)/480 )-20;
if ( (abs(tmpx-x)>6 or abs(tmpy-y)>6 ) and j )
{
tmpx = x;
tmpy = y;
chk=0;
}
else chk++;
mouse_move1( tmpx, tmpy, display );
if ( chk==10 )
{
mouse_click( 5, 2, display );
mouse_click( 5, 3, display );
}
cvSaveImage( "final.jpg", frame );
cvSaveImage( "final1.jpg", backproject );
cvShowImage( "CA", backproject );
char c = cvWaitKey(33);
if( c == 27 )
break; //function break and destroying windows if press <escape> key
}
cvReleaseCapture( &capture );
cvDestroyWindow( "CA" );
}
//#################### PUBLIC METHODS ####################
void GameState_LoadLevel::enter()
{
set_display(construct_display());
m_gameData->set_level(Level_Ptr());
}