www.pudn.com > Gesture[20040824].rar > HandGesture.cpp

// HandGesture.cpp: implementation of the CHandGesture class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "Gesture.h" 
#include "HandGesture.h" 
#include "math.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CHandGesture::CHandGesture(CBackground *bkg, CSkinColor *skincolor) 
{ 
	background = bkg; 
	skin = skincolor; 
 
	Th_Kcurv = -10; 
	Th_Kstep = 35; 
	m_bFindChange = false; 
 
	m_HandBin = NULL; 
 
	ContourStorage = cvCreateMemStorage(0); 
} 
 
CHandGesture::~CHandGesture() 
{ 
	if ( m_HandBin != NULL ) delete m_HandBin; 
} 
 
 
void CHandGesture::Initialize(int width, int height) 
{ 
	if ( m_HandBin != NULL ) delete m_HandBin; 
	m_HandBin = new CImage; 
	m_HandBin->Create(width, height, 8); 
} 
 
void CHandGesture::ExtractHandRegion( IplImage *HandImage ) 
{ 
} 
 
void CHandGesture::ExtractStatisticFeatures()  
{ 
} 
 
void CHandGesture::ExtractContourFeatures()  
{ 
} 
 
void CHandGesture::ExtractMaxLenContour( CvSeq *Contours, CvSeq **MaxContour ) 
{ 
} 
 
void CHandGesture::ExtractHandTips(CvSeq *contour, int step) 
{ 
} 
 
int CHandGesture::CalculateKCurvature(CvPoint pFor, CvPoint pMid, CvPoint pBack) 
{ 
	return 0; 
} 
 
void CHandGesture::DrawStatisticFeaturesToImage(IplImage *image)  
{ 
	int scale = 2; 
	int color; 
	if (image->nChannels>1) 
		color = CV_RGB(255,255,255); 
	else color = 255; 
 
	CvPoint center; 
	CvStatisticFeatures *pSF = GetStatisticHandFeatures(); 
	center.x = (int)pSF->center.x; 
	center.y = (int)pSF->center.y; 
	cvCircle(image, center, 3, color, 2); 
	float offsetX = pSF->size.width*cos(pSF->angle)/(2*scale); 
	float offsetY = pSF->size.width*sin(pSF->angle)/(2*scale); 
	CvPoint p1, p2; 
	p1.x = (int)(center.x-offsetX); 
	p1.y = (int)(center.y-offsetY); 
	p2.x = (int)(center.x+offsetX); 
	p2.y = (int)(center.y+offsetY); 
	cvLine(image, p1, p2, color,1); 
	offsetX = pSF->size.height*cos(pSF->angle+Pi/2)/(2*scale); 
	offsetY = pSF->size.height*sin(pSF->angle+Pi/2)/(2*scale); 
	p1.x = (int)(center.x-offsetX); 
	p1.y = (int)(center.y-offsetY); 
	p2.x = (int)(center.x+offsetX); 
	p2.y = (int)(center.y+offsetY); 
	cvLine(image, p1, p2, color, 1); 
} 
 
void CHandGesture::DrawContourFeaturesToImage(IplImage *image)  
{ 
	int color; 
	if (image->nChannels>1) 
		color = CV_RGB(255,255,255); 
	else color = 255; 
 
	CvContourFeatures *pCF = GetContourHandFeatures(); 
	for(int i=0; inTips; i++) 
		cvCircle(image, pCF->FingerTips[i], 5, color, 2); 
	for( i=0; inRoots; i++) 
		cvCircle(image, pCF->FingerRoots[i], 5, color, 4); 
}