vrraycastingagent.h

3D reconstruction, medical image processing from colons, using intel image processing for based clas

// IsoAgent.h: interface for the RxEndoIsoAgent class.
//
//////////////////////////////////////////////////////////////////////
#include "Vect4D.h"
//#include "isoutil.h"
#include "RayCastingCommonAgent.h"

class RxVoxelShader;
class RxRayCastingCommonInfo;

class RxVRRayCastingAgent : public RxRayCastingCommonAgent
{
public:
	void DestroyMemory();
	RxVRRayCastingAgent() {}
	RxVRRayCastingAgent(int iLSN);
	virtual ~RxVRRayCastingAgent();
	BOOL PartialRender(int iPart);
	BOOL InitRendering(RxRayCastingCommonInfo* pIsoEndoInfo);
	BOOL		Get3DPoint(int i,int j, int &x, int &y, int &z);
	int			Growing3D(int x,int y,int z);
	BOOL		IsInsideInCrop(int x, int y, int z);

protected:
	BOOL GetRaySample(int iPart, float *afRayOrigin, float tl, float tu, float *intensity, float* afVoxel, float& r, float& g, float& b, float& cur_opacity, int& iLocalizer, int &iPrevSampleDensity);
	BOOL GetRaySampleObject(int iPart, float *afRayOrigin, float tl, float tu, float *intensity, float* afVoxel, float& r, float& g, float& b, float& cur_opacity, int& iLocalizer);
	int GetRaySampleBound(int iPart, float *afRayOrigin, float* min_t, float* max_t, float* r, float* g, float* b, float* opacity);
	BOOL RenderNormal(int iPart);
	BOOL RenderObject(int iPart);
	inline unsigned char GetMask(unsigned char* pbyMask, int iOffset);

	BOOL GetRayDirectionInRef(float afRefInvViewing[4][4]);
	BOOL GetRayBoundInReference(float *afRefRayOrigin, float &min_t, float &max_t);

	float m_fWMin, m_fWMax;
	float m_afLight[4], m_afRayDirection[4], m_afInvRayDirection[4];
	float m_afRefRayDirection[4], m_afRefInvRayDirection[4];
	float m_fInvGradFactor;
	float m_fGradFactor;
	RxVoxelShader* m_pShader;
	float m_fLocalizerPos[4][3];
	int m_iLocalizerPlane[4];
	int m_iPlaneOrder[4][3];
	float m_afCropMin[3], m_afCropMax[3];
	float m_afByteTable[256];
//	float m_afRayTable[3][100][2000];
	float m_afRayTable[1000];
	float m_fA, m_fB, m_fC, m_fD1, m_fD2, m_fDenom;
	int m_aiCropMin[3], m_aiCropMax[3];
	int m_iMin, m_iMax;
	LPBYTE m_pObject2x2, m_pObject8x8;
	float m_fBrightnessFactor;
	float m_fSampleDistance;

};
inline unsigned char RxVRRayCastingAgent::GetMask(unsigned char* pbyMask, int iOffset)
{
	int iQuotient, iRemainder;
	iQuotient = iOffset >> 3;
	iRemainder = iOffset & 0x07;
	return (pbyMask[iQuotient] >> (7 - iRemainder)) & 0x01;
}