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ob_cam_cvcapture.cpp
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ob_cam_cvcapture.cpp
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/* -----------------------------------------------------------------------------
BrainBay Version 1.4, GPL 2003-2008, contact: [email protected]
MODULE: OB_CAM.CPP: contains functions for Webcam functions
Author: Chris Veigl
The Camera-Object can connect to an installed webcam an display the live-
video in a window. A Face-Detection is performed and the Position of the Nose and
the Chin are presented at the objects-output ports.
This Module uses the Intel OpenCV Library for Computer Vision, and source
code from the sample-projects describingf the use of the HaarClassifier-Cascade
and the Lukas Kanade Optical Flow Algorithm.
see details about Intels OpenCV: http://www.intel.com/research/mrl/research/opencv
-----------------------------------------------------------------------------*/
#include "brainbay.h"
#include "ob_cam.h"
#include "cv.h"
#include "cvcam.h"
#include "highgui.h"
#include <stdio.h>
#include <ctype.h>
static CvMemStorage* storage = 0;
static CvHaarClassifierCascade* cascade = 0;
static CvVideoWriter * video_writer =0;
IplImage* frame = 0, *frame_copy = 0;
CvPoint pt1, pt2, ptd;
CAMOBJ * camobj;
int c_detect=0;
int update_rate=65;
int cur_rate=0;
//VidFormat vidFmt = {320, 240, 30.0 };
const char* cascade_name =
"haarcascade_frontalface_alt.xml";
IplImage *image = 0, *grey = 0, *prev_grey = 0, *pyramid = 0, *prev_pyramid = 0,
*save_grey = 0, *save_pyramid=0, *swap_temp;
CvCapture* capture = 0;
int win_size = 11;
int MAX_COUNT = 2;
CvPoint2D32f* points[2] = {0,0}, *save_points=0, *swap_points;
int pt_mode[2];
int save_pt_mode[2];
float save_dist,dist_error,dist_threshold;
float save_angle,angle_error,angle_threshold;
int threshold_time;
float PT1_xpos, PT1_ypos, PT2_xpos=0.5f, PT2_ypos=0.6f;
char* status = 0;
int count = 0, save_count=0,mcount, ccount;
int need_to_init = 0;
int night_mode = 0;
int flags = 0, saved=0;
int statuscount=0;
float x_move=0,y_move=0,x_click=0,y_click=0;
int add_remove_pt = 0;
int autorestore;
int time_to_restore=0;
int init_flag=0;
CvPoint pt;
DWORD dwCamStatId;
HANDLE CAMTHREAD=0;
HANDLE CamExitEvent=0;
long a_t,l_t;
int lk_work(CAMOBJ * );
void on_mouse( int event, int x, int y, int flags, void* param );
DWORD WINAPI CamProc(LPVOID lpv)
{
l_t=SDL_GetTicks();
HANDLE hArray[1];
DWORD dwRes;
BOOL CamThreadDone=FALSE;
MSG msg;
hArray[0] = CamExitEvent;
char fname[256];
//if (!capture)
//{
if ((camobj->mode == 2) && (strstr(camobj->videofilename,".avi"))) capture = cvCaptureFromAVI( camobj->videofilename );
else capture = cvCaptureFromCAM( 0 );
if((!capture ) && (camobj->mode!=1))
{
if (!GLOBAL.loading) close_toolbox();
report_error("Could not connect to WebCamera");
}
strcpy(fname,GLOBAL.resourcepath);
strcat(fname,cascade_name);
cascade = (CvHaarClassifierCascade*)cvLoad( fname, 0, 0, 0 );
if( !cascade )
{
SetDlgItemText(ghWndStatusbox, IDC_STATUS,"ERROR: Could not load classifier cascade");
return(0);
}
storage = cvCreateMemStorage(0);
if (camobj->showlive)
{
cvNamedWindow( "Camera", 0 );
cvMoveWindow("Camera",0,0);
cvSetMouseCallback( "Camera", on_mouse, 0 );
}
while (!CamThreadDone)
{
dwRes = WaitForMultipleObjects(1, hArray, FALSE, 0);
switch(dwRes)
{
case WAIT_OBJECT_0:
CamThreadDone = TRUE;
case WAIT_TIMEOUT: // timeouts are not reported
break;
default:
// report_error("WaitForMultipleObjects(CamExitEvent) does not return");
break;
}
if(!GetMessage(&msg, NULL, 0, 0)) break;
TranslateMessage(&msg);
DispatchMessage(&msg);
a_t=SDL_GetTicks();
if (a_t-l_t>update_rate)
{
frame = cvQueryFrame( capture );
lk_work(camobj);
cur_rate=a_t-l_t;
l_t=a_t;
}
else
Sleep(3);
}
return(1);
}
void on_mouse( int event, int x, int y, int flags, void* param )
{
if( !image )
return;
if( image->origin )
y = image->height - y;
if( event == CV_EVENT_LBUTTONDOWN )
{
pt = cvPoint(x,y);
add_remove_pt = 1;
}
}
int lk_init( CAMOBJ * st )
{
int ret=0;
camobj=st;
CamExitEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
if (CamExitEvent == NULL)
report_error("CreateEvent failed (CamThread exit event)");
CAMTHREAD = CreateThread( NULL, 0, (LPTHREAD_START_ROUTINE) CamProc, (LPVOID) ghWndMain, 0, &dwCamStatId);
if (CAMTHREAD == NULL) report_error("CreateThread failed");
return (1);
}
int lk_exit(void)
{
HANDLE hThreads[1];
DWORD dwRes;
if (CAMTHREAD)
{
hThreads[0] = CAMTHREAD;
SetEvent(CamExitEvent);
dwRes = WaitForMultipleObjects(1, hThreads, FALSE, 20);
switch(dwRes)
{
case WAIT_OBJECT_0:
case WAIT_TIMEOUT:
SetDlgItemText(ghWndStatusbox,IDC_STATUS,"Camera closed");
//report("Camera Interface closed");
break;
default:
report_error("CamThread: unknown exit error");
break;
}
//
// reset thread exit event here
//
ResetEvent(CamExitEvent);
CloseHandle(CamExitEvent);
CloseHandle(CAMTHREAD);
CAMTHREAD=0;
}
if (capture)
{
cvReleaseImage( &image );
cvReleaseImage( &grey );
cvReleaseImage( &save_grey );
cvReleaseImage( &prev_grey );
cvReleaseImage( &pyramid );
cvReleaseImage( &prev_pyramid );
cvReleaseImage( &save_pyramid );
cvReleaseCapture( &capture );
capture=0;
cvReleaseMemStorage(&storage);
cvFree((void**)&cascade);
}
if (video_writer) cvReleaseVideoWriter(&video_writer);
cvDestroyWindow("Camera");
return(0);
}
int detect_face (void)
{
// int scale = 1;
CvSeq* faces;
//IplImage* temp = cvCreateImage( cvSize(img->width/scale,img->height/scale), 8, 3 );
// int i;
//cvPyrDown( img, temp, CV_GAUSSIAN_5x5 );
if( capture && image && cascade)
{
if( !frame_copy )
frame_copy = cvCreateImage( cvSize(frame->width,frame->height),IPL_DEPTH_8U, frame->nChannels );
if( frame->origin == IPL_ORIGIN_TL ) cvCopy( frame, frame_copy, 0 );
else cvFlip( frame, frame_copy, 0 );
cvClearMemStorage( storage );
pt1.x=0; pt1.y=0; pt2.x=0; pt2.y=0;
faces = cvHaarDetectObjects( frame_copy, cascade, storage,
1.1, 4, CV_HAAR_DO_CANNY_PRUNING , cvSize(70, 70) );
// for( i = 0; i < (faces ? faces->total : 0); i++ )
if (faces->total)
{
CvRect* r = (CvRect*)cvGetSeqElem( faces, 0); //i );
pt1.x = r->x; // *scale;
pt2.x = (r->x+r->width); //*scale;
pt1.y = r->y; // *scale;
pt2.y = (r->y+r->height); //*scale;
cvRectangle( frame_copy, pt1, pt2, CV_RGB(255,0,0), 3, 8, 0 );
ptd.x=pt1.x+(int)((pt2.x-pt1.x)* PT1_xpos);
ptd.y=pt1.y+(int)((pt2.y-pt1.y)* PT1_ypos);
points[1][0].x=(float)ptd.x;
points[1][0].y=(float)(frame->height-ptd.y);
cvCircle( frame_copy, ptd, 4, CV_RGB(255,0,0), 2, 8,0);
pt_mode[0]=1;
ptd.x=pt1.x+(int)((pt2.x-pt1.x)*PT2_xpos);
ptd.y=pt1.y+(int)((pt2.y-pt1.y)*PT2_ypos);
points[1][1].x=(float)ptd.x;
points[1][1].y=(float)(frame->height-ptd.y);
cvCircle( frame_copy, ptd, 4, CV_RGB(255,0,0), 2, 8,0);
pt_mode[1]=0;
points[0][0].x=points[1][0].x;
points[0][0].y=points[1][0].y;
points[0][1].x=points[1][1].x;
points[0][1].y=points[1][1].y;
cvFlip( frame_copy, image, 0 );
return(1);
}
}
return(0);
}
void calc_distances(int mode)
{
double c;
double dx,dy;
if (mode<2)
{
dx=points[1][1].x - points[1][0].x;
dy=points[1][1].y - points[1][0].y;
}
else
{
dx=points[1][0].x - PT1_xpos*100;
dy=points[1][0].y - PT1_ypos*100;
}
c=sqrt((double)(dx*dx+dy*dy));
if (c== 0.0) { dist_error=dist_threshold; return; }
if (mode==1)
{
save_dist=(float)c; dist_error=0.0f;
save_angle= (float) asin(dx/c) * 57.29577f; angle_error=0.0f;
return;
}
if (mode<2)
{
dist_error= (float) fabs(save_dist-c);
angle_error= (float) fabs(save_angle-asin(dx/c) * 57.29577);
return;
}
dist_error= (float)c;
angle_error=0;
}
int lk_work(CAMOBJ * st)
{
int i, k;
float mx,my,cx,cy;
// frame = cvQueryFrame( capture );
if( !frame )
return(1);
if( !image ) // allocate all the buffers
{
image = cvCreateImage( cvGetSize(frame), 8, 3 );
image->origin = frame->origin;
grey = cvCreateImage( cvGetSize(frame), 8, 1 );
prev_grey = cvCreateImage( cvGetSize(frame), 8, 1 );
save_grey = cvCreateImage( cvGetSize(frame), 8, 1 );
pyramid = cvCreateImage( cvGetSize(frame), 8, 1 );
prev_pyramid = cvCreateImage( cvGetSize(frame), 8, 1 );
save_pyramid = cvCreateImage( cvGetSize(frame), 8, 1 );
points[0] = (CvPoint2D32f*)cvAlloc(MAX_COUNT*sizeof(points[0][0]));
points[1] = (CvPoint2D32f*)cvAlloc(MAX_COUNT*sizeof(points[0][0]));
save_points = (CvPoint2D32f*)cvAlloc(MAX_COUNT*sizeof(points[0][0]));
status = (char*)cvAlloc(MAX_COUNT);
for (i=0;i<MAX_COUNT;i++) pt_mode[i]=0;
flags = 0;
statuscount++;
}
cvCopy( frame, image, 0 );
if (st->mode==1)
{
if (!video_writer)
video_writer = cvCreateVideoWriter(st->videofilename,-1,15,cvGetSize(image));
cvWriteFrame(video_writer,image);
}
if (st->enable_tracking)
{
cvCvtColor( image, grey, CV_BGR2GRAY );
if( night_mode )
cvZero( image );
if (need_to_init)
{
need_to_init=0;
init_flag=0;
if (st->trackface)
{
if (detect_face())
{
int x;
count=2;
cvFindCornerSubPix( grey, points[1], count,
cvSize(win_size,win_size), cvSize(-1,-1),
cvTermCriteria(CV_TERMCRIT_ITER,1,1.0));
// cvTermCriteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,20,0.03));
cvCopy(grey,save_grey,0 );
cvCopy(pyramid,save_pyramid,0 );
cvCopy(grey,prev_grey,0 );
cvCopy(pyramid,prev_pyramid,0 );
for (x=0;x<count;x++)
{
save_points[x].x=points[1][x].x;
save_points[x].y=points[1][x].y;
points[0][x].x=points[1][x].x;
points[0][x].y=points[1][x].y;
save_pt_mode[x]=pt_mode[x];
}
calc_distances(1);
save_count=count;
add_remove_pt = 0;
flags = 0;
time_to_restore=0;
}
}
else
{
save_points[0].x=PT1_xpos*100;
save_points[0].y=PT1_ypos*100;
points[0][0].x=PT1_xpos*100;
points[0][0].y=PT1_ypos*100;
save_pt_mode[0]=0;
count=1;MAX_COUNT=1;
calc_distances(1);
cvFindCornerSubPix( grey, points[1], 1,
cvSize(win_size,win_size), cvSize(-1,-1),
cvTermCriteria(CV_TERMCRIT_ITER,1,1.0));
// report("hallo");
cvCopy(grey,save_grey,0 );
cvCopy(pyramid,save_pyramid,0 );
cvCopy(grey,prev_grey,0 );
cvCopy(pyramid,prev_pyramid,0 );
save_count=1;
add_remove_pt = 0;
flags = 0;
//time_to_restore=0;
}
}
if(count < MAX_COUNT) need_to_init=1;
else
{
cvCalcOpticalFlowPyrLK( prev_grey, grey, prev_pyramid, pyramid,
points[0], points[1], count, cvSize(win_size,win_size), 5, status, 0,
cvTermCriteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,20,0.03), flags );
flags |= CV_LKFLOW_PYR_A_READY;
mx=0;my=0;
cx=0;cy=0;mcount=0;ccount=0;
for( i = k = 0; i < count; i++ )
{
if( add_remove_pt )
{
double dx = pt.x - points[1][i].x;
double dy = pt.y - points[1][i].y;
if( dx*dx + dy*dy <= 25 )
{
add_remove_pt = 0;
if (pt_mode[i]==1) {pt_mode[i]=0; continue;}
pt_mode[i]=1;
}
}
if( !status[i] ) { need_to_init=1; status[i]=true; }
if (pt_mode[i]==1)
{
cx+= (points[0][i].x - points[1][i].x);
cy+= (points[0][i].y - points[1][i].y);
ccount++;
}
else
{
mx += (points[0][i].x - points[1][i].x);
my += (points[0][i].y - points[1][i].y);
mcount++;
}
points[1][k] = points[1][i];
pt_mode[k++]=pt_mode[i];
if (need_to_init)
cvCircle( image, cvPointFrom32f(points[1][i]), 4, CV_RGB(255,0,0), 2, 8,0);
else if (pt_mode[i]==1)
cvCircle( image, cvPointFrom32f(points[1][i]), 4, CV_RGB(255,255,0), 2, 8,0);
else
cvCircle( image, cvPointFrom32f(points[1][i]), 4, CV_RGB(0,210,0), 2, 8,0);
}
count = k;
if (k==MAX_COUNT)
{
if (init_flag>1)
{
x_move=mx/mcount;
y_move=my/mcount;
x_click=cx/ccount;
y_click=cy/ccount;
}
if (st->trackface) calc_distances(0); else calc_distances(2);
if ((autorestore)) // && (init_flag>5))
{
if (st->trackface)
{
if ((dist_error>=dist_threshold) || (angle_error>=angle_threshold))
time_to_restore++;
else time_to_restore=0;
if (time_to_restore>threshold_time)
{ need_to_init=1; time_to_restore=0; }
}
else
{
if ((dist_error>=dist_threshold))
time_to_restore++;
else time_to_restore=0;
if (time_to_restore>threshold_time)
{ need_to_init=1; time_to_restore=0; }
}
}
}
}
if( add_remove_pt && count < MAX_COUNT )
{
points[1][count++] = cvPointTo32f(pt);
cvFindCornerSubPix( grey, points[1] + count - 1, 1,
cvSize(win_size,win_size), cvSize(-1,-1),
cvTermCriteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS,20,0.03));
add_remove_pt = 0;
}
}
CV_SWAP( prev_grey, grey, swap_temp );
CV_SWAP( prev_pyramid, pyramid, swap_temp );
CV_SWAP( points[0], points[1], swap_points );
if (init_flag<1000) init_flag++;
if (st->showlive) cvShowImage( "Camera", image );
return(0);
}
LRESULT CALLBACK CamDlgHandler(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
static bool init;
CAMOBJ * st;
int tmp;
st = (CAMOBJ *) actobject;
if ((st==NULL)||(st->type!=OB_CAM)) return(FALSE);
switch( message )
{
case WM_INITDIALOG:
SetDlgItemInt(hDlg,IDC_UPDATERATE,update_rate,0);
SetDlgItemText(hDlg,IDC_CAMSTATUS,"0");
SetDlgItemInt(hDlg,IDC_ERROR_DIST,(int)dist_threshold,0);
SetDlgItemInt(hDlg,IDC_ERROR_ANGLE,(int)angle_threshold,0);
SetDlgItemInt(hDlg,IDC_THRESHOLD_TIME,threshold_time,0);
SetDlgItemInt(hDlg,IDC_PT1X,(int)(PT1_xpos*100.0f),1);
SetDlgItemInt(hDlg,IDC_PT1Y,(int)(PT1_ypos*100.0f),1);
SetDlgItemInt(hDlg,IDC_PT2X,(int)(PT2_xpos*100.0f),1);
SetDlgItemInt(hDlg,IDC_PT2Y,(int)(PT2_ypos*100.0f),1);
CheckDlgButton(hDlg,IDC_AUTORESTORE,autorestore);
CheckDlgButton(hDlg,IDC_SHOWLIVE,st->showlive);
CheckDlgButton(hDlg,IDC_ENABLE_TRACKING,st->enable_tracking);
CheckDlgButton(hDlg,IDC_TRACKFACE,st->trackface);
if (st->mode==0) CheckDlgButton(hDlg,IDC_NOARCHIVE,TRUE); else
if (st->mode==1) CheckDlgButton(hDlg,IDC_RECORDARCHIVE,TRUE); else
if (st->mode==2) CheckDlgButton(hDlg,IDC_PLAYARCHIVE,TRUE);
SetDlgItemText(hDlg,IDC_ARCHIVEFILE,st->videofilename);
break;
case WM_CLOSE:
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
break;
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDC_INITCAM:
lk_init(st);
break;
case IDC_EXITCAM:
lk_exit();
break;
case IDC_RESET:
count = 0;
break;
case IDC_NOARCHIVE:
lk_exit();
st->mode=0;
lk_init(st);
break;
case IDC_RECORDARCHIVE:
lk_exit();
st->mode=1;
if (!strcmp(st->videofilename,"none"))
{
strcpy(st->videofilename,GLOBAL.resourcepath);
strcat(st->videofilename,"MOVIES\\*.avi");
}
if (!open_file_dlg(hDlg,st->videofilename, FT_AVI, OPEN_SAVE))
strcpy(st->videofilename,"none");
SetDlgItemText(hDlg, IDC_ARCHIVEFILE,st->videofilename);
lk_init(st);
break;
case IDC_PLAYARCHIVE:
lk_exit();
st->mode=2;
if (!strcmp(st->videofilename,"none"))
{
strcpy(st->videofilename,GLOBAL.resourcepath);
strcat(st->videofilename,"MOVIES\\*.avi");
}
if (!open_file_dlg(hDlg,st->videofilename, FT_AVI, OPEN_LOAD))
strcpy(st->videofilename,"none");
SetDlgItemText(hDlg, IDC_ARCHIVEFILE,st->videofilename);
lk_init(st);
break;
case IDC_SHOWLIVE:
st->showlive=IsDlgButtonChecked(hDlg,IDC_SHOWLIVE);
if (!st->showlive) cvDestroyWindow("Camera");
else
{
cvNamedWindow( "Camera", 1 );
cvSetMouseCallback( "Camera", on_mouse, 0 );
}
break;
case IDC_UPDATERATE:
tmp=GetDlgItemInt(hDlg,IDC_UPDATERATE,NULL,0);
if ((tmp>10)&&(tmp<1000)) update_rate=tmp;
break;
case IDC_AUTORESTORE:
autorestore=IsDlgButtonChecked(hDlg,IDC_AUTORESTORE);
break;
case IDC_TRACKFACE:
st->trackface=IsDlgButtonChecked(hDlg,IDC_TRACKFACE);
if (st->trackface) MAX_COUNT=2; else MAX_COUNT=1;
break;
case IDC_ERROR_DIST:
dist_threshold=(float)GetDlgItemInt(hDlg, IDC_ERROR_DIST,0,0);
break;
case IDC_ERROR_ANGLE:
angle_threshold=(float)GetDlgItemInt(hDlg, IDC_ERROR_ANGLE,0,0);
break;
case IDC_THRESHOLD_TIME:
threshold_time=GetDlgItemInt(hDlg, IDC_THRESHOLD_TIME,0,0);
break;
case IDC_PT1X:
PT1_xpos=(float) GetDlgItemInt(hDlg, IDC_PT1X,0,1) / 100.0f;
need_to_init=1;
break;
case IDC_PT1Y:
PT1_ypos=(float)GetDlgItemInt(hDlg, IDC_PT1Y,0,1)/ 100.0f;
need_to_init=1;
break;
case IDC_PT2X:
PT2_xpos=(float)GetDlgItemInt(hDlg, IDC_PT2X,0,1)/ 100.0f;
need_to_init=1;
break;
case IDC_PT2Y:
PT2_ypos=(float)GetDlgItemInt(hDlg, IDC_PT2Y,0,1)/ 100.0f;
need_to_init=1;
break;
// case IDC_NIGHTMODE:
// night_mode ^= 1;
// break;
case IDC_AUTOINIT:
need_to_init=1;
break;
case IDC_ENABLE_TRACKING:
st->enable_tracking=IsDlgButtonChecked(hDlg,IDC_ENABLE_TRACKING);
break;
case IDC_SETTINGS:
{
int ncams = cvcamGetCamerasCount( ); // init cvcam
if (ncams==0) report("no cam");
cvcamSetProperty(0, CVCAM_PROP_ENABLE, CVCAMTRUE); //Selects the 1-st found camera
cvcamInit();
cvcamGetProperty(0, CVCAM_CAMERAPROPS, NULL);
// cvcamGetProperty(0, CVCAM_VIDEOFORMAT, NULL);
cvcamExit();
}
break;
}
return TRUE;
break;
case WM_SIZE:
case WM_MOVE: update_toolbox_position(hDlg);
break;
return(TRUE);
}
return FALSE;
}
CAMOBJ::CAMOBJ(int num) : BASE_CL()
{
outports = 4;
inports = 0;
width=65;
strcpy(out_ports[0].out_name,"Point1-X");
strcpy(out_ports[1].out_name,"Point1-Y");
strcpy(out_ports[2].out_name,"Point2-X");
strcpy(out_ports[3].out_name,"Point2-Y");
strcpy(videofilename,"none");
interval=10;dist_threshold=80.0f;angle_threshold=20.0f;autorestore=TRUE;
PT1_xpos=0.5f; PT1_ypos=0.99f;
PT2_xpos=0.5f; PT2_ypos=0.6f;
mode=0; enable_tracking=1; showlive=1; trackface=1;
if (!lk_init(this)) GLOBAL.run_exception=1;
}
void CAMOBJ::make_dialog(void)
{
display_toolbox(hDlg=CreateDialog(hInst, (LPCTSTR)IDD_CAMBOX, ghWndStatusbox, (DLGPROC)CamDlgHandler));
}
void CAMOBJ::load(HANDLE hFile)
{
load_object_basics(this);
load_property("interval",P_INT,&interval);
load_property("autorestore",P_INT,&autorestore);
load_property("dist_threshold",P_FLOAT,&dist_threshold);
load_property("angle_threshold",P_FLOAT,&angle_threshold);
load_property("threshold_time",P_INT,&threshold_time);
load_property("pt1_xpos",P_FLOAT,&PT1_xpos);
load_property("pt1_ypos",P_FLOAT,&PT1_ypos);
load_property("pt2_xpos",P_FLOAT,&PT2_xpos);
load_property("pt2_ypos",P_FLOAT,&PT2_ypos);
load_property("mode",P_INT,&mode);
load_property("showlive",P_INT,&showlive);
load_property("tracking",P_INT,&enable_tracking);
load_property("trackface",P_INT,&trackface);
load_property("archive",P_STRING,videofilename);
if (!showlive) cvDestroyWindow("Camera");
if (trackface) MAX_COUNT=2; else MAX_COUNT=1;
}
void CAMOBJ::save(HANDLE hFile)
{
save_object_basics(hFile,this);
save_property(hFile,"interval",P_INT,&interval);
save_property(hFile,"autorestore",P_INT,&autorestore);
save_property(hFile,"dist_threshold",P_FLOAT,&dist_threshold);
save_property(hFile,"angle_threshold",P_FLOAT,&angle_threshold);
save_property(hFile,"threshold_time",P_INT,&threshold_time);
save_property(hFile,"pt1_xpos",P_FLOAT,&PT1_xpos);
save_property(hFile,"pt1_ypos",P_FLOAT,&PT1_ypos);
save_property(hFile,"pt2_xpos",P_FLOAT,&PT2_xpos);
save_property(hFile,"pt2_ypos",P_FLOAT,&PT2_ypos);
save_property(hFile,"mode",P_INT,&mode);
save_property(hFile,"showlive",P_INT,&showlive);
save_property(hFile,"tracking",P_INT,&enable_tracking);
save_property(hFile,"trackface",P_INT,&trackface);
save_property(hFile,"archive",P_STRING,videofilename);
}
void CAMOBJ::incoming_data(int port, float value)
{
}
void CAMOBJ::work(void)
{
char sztemp[255];
if ((hDlg==ghWndToolbox) && (!TIMING.dialog_update))
{
sprintf(sztemp,"Distance=%.2f, Angle=%.2f, Time=%d",dist_error,angle_error,time_to_restore);
SetDlgItemText(hDlg,IDC_CAMSTATUS,sztemp);
SetDlgItemInt(hDlg,IDC_CUR_RATE,cur_rate,0);
}
if (trackface)
{
if ((!need_to_init)&&(init_flag>0))
{
pass_values(0, x_move);
pass_values(1, y_move);
pass_values(2, x_click);
pass_values(3, y_click);
}
else
{
// pass_values(0, 0);
// pass_values(1, 0);
// pass_values(2, 0);
// pass_values(3, 0);
}
}
else
{
pass_values(0, x_move);
pass_values(1, y_move);
}
}
CAMOBJ::~CAMOBJ() { lk_exit(); }