155 lines
4.1 KiB
C++
155 lines
4.1 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGMatrix 类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TGMatrix 声明 三维变换矩阵,右乘
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// = Maintainers: cpp中336行，为；
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//
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//-------------------------------------------------------------------------------------------------------+
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#ifndef _TGMATRIX_H_
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#define _TGMATRIX_H_
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#ifndef _TGVECTOR2D_H_
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#include "TGVector2D.h"
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#endif
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#ifndef _TGVECTOR3D_H_
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#include "TGVector3D.h"
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#endif
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#ifndef _TPGECOORDSYS_H_
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#include "TPGeCoordSys.h"
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#endif
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#ifndef _TPGELINE3D_H_
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#include "TPGeLine3D.h"
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#endif
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#ifndef _TGPOINT_H_
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#include "TGPoint.h"
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#endif
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#ifndef _TPGEPLANE_H_
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#include "TPGePlane.h"
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#endif
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typedef double GTransformMatrix[4][4];
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class GEOAPI TGMatrix
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{
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public:
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TGMatrix();
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TGMatrix(const TGMatrix& m2);
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TGMatrix& operator = (const TGMatrix& m2);
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TGMatrix& operator = (const float *m);
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virtual ~TGMatrix();
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//data
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double *operator [](int i) const;
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//Set
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void Init();
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void InitIdentity();
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TGMatrix& operator *= (const TGMatrix & m2);
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//逆矩阵
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bool Reverse();
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//翻转矩阵
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void Swap();
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//TPGeCoordSys
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void SetCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& y,const TGVector3D& z);
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void SetCoordSys(const TGPoint& pt,const TGVector3D& z,bool bRight = true);
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void SetCoordSys(const TPGePlane& plane,bool bRight = true);
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void SetCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& vt,bool bRight = true);
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void SetCoordSys(const TGPoint& pt,const TGPoint& xPt,const TGPoint& yPt,bool bRight = true);
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void GetCoordSys(TPGeCoordSys& sys) const;
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//构造具体变换矩阵，调用之前保证初始化为单位矩阵(用InitIdentity())!
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//二维变换矩阵
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void CreateMoveMatrix(double cx,double cy);
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void CreateMoveMatrix(const TGVector2D& vt);
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void CreateScaleMatrix(double sx,double sy);
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void CreateScaleMatrix(double sx,double sy,const TGPoint& basePoint);
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void CreateRotateMatrix(double angle,const TGPoint& basePoint);
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//三维变换
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void CreateMoveMatrix(double cx,double cy,double cz);
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void CreateMoveMatrix(const TGVector3D& vt);
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void CreateScaleMatrix(double sx,double sy,double sz);
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void CreateScaleMatrix(double sx,double sy,double sz,const TGPoint & basePoint);
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void CreateXRotateMatrix(double angle);
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void CreateYRotateMatrix(double angle);
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void CreateZRotateMatrix(double angle);
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void CreateRotateMatrix(double angle,const TPGeLine3D & axis);
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//投影
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//正平行投影到XY平面,使所有Z分量变为0
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void CreateXYProjectMatrix();
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//投影到XY平面,选择平行投影或一点透视投影
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bool CreateXYProjectMatrix(const TGPoint& pt,bool bParallel = true);
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//投影到plane平面,选择平行投影或一点透视投影
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bool CreateProjectMatrix(const TPGePlane& plane,const TGPoint& pt,bool bParallel = true);
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//transform
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void Transform2D(TGPoint & point) const;
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void Transform3D(TGPoint & point) const;
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void Transform(TGVector3D& vt) const;
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void Transform(TGVector2D& vt) const;
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//other
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TGMatrix operator *(const TGMatrix& m2) const;
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double Rank() const;
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bool CanReverse() const;
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//转化为float矩阵
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void Export(float*m) const;
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public:
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GTransformMatrix matrix;
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};
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inline void TGMatrix::SetCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& y,const TGVector3D& z)
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{
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TPGeCoordSys coord(pt,x,y,z);
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coord.GetMatrixTo(this);
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}
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inline void TGMatrix::SetCoordSys(const TGPoint& pt,const TGVector3D& z,bool bRight)
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{
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TPGeCoordSys coord(pt,z,bRight);
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coord.GetMatrixTo(this);
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}
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inline void TGMatrix::SetCoordSys(const TPGePlane& plane,bool bRight)
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{
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TPGeCoordSys coord(plane,bRight);
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coord.GetMatrixTo(this);
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}
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inline void TGMatrix::SetCoordSys(const TGPoint& pt,const TGPoint& xPt,const TGPoint& yPt,bool bRight)
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{
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TPGeCoordSys coord(pt,xPt,yPt,bRight);
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coord.GetMatrixTo(this);
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}
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inline void TGMatrix::SetCoordSys(const TGPoint& pt,const TGVector3D& x,const TGVector3D& vt,bool bRight)
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{
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TPGeCoordSys coord(pt,x,vt,bRight);
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coord.GetMatrixTo(this);
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}
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//正平行投影到XY平面,使所有Z分量变为0
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inline void TGMatrix::CreateXYProjectMatrix()
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{
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matrix[2][0] = matrix[2][1] = matrix[2][2] = matrix[2][3] = 0;
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}
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#endif
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