ResInsight/Fwk/VizFwk/LibCore/cvfMatrix4.h

144 lines
5.3 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#pragma once
#include "cvfBase.h"
#include "cvfSystem.h"
#include "cvfVector3.h"
#include "cvfVector4.h"
#include "cvfMatrix3.h"
namespace cvf {
//==================================================================================================
//
// Template matrix class for 4x4 matrices
//
//==================================================================================================
template<typename S>
class Matrix4
{
public:
Matrix4();
Matrix4(const Matrix4& other);
Matrix4(S m00, S m01, S m02, S m03, S m10, S m11, S m12, S m13, S m20, S m21, S m22, S m23, S m30, S m31, S m32, S m33);
explicit Matrix4(const Matrix3<S>& other);
template<typename T>
explicit Matrix4(const Matrix4<T>& other);
inline Matrix4& operator=(const Matrix4& rhs);
bool equals(const Matrix4& mat) const;
bool operator==(const Matrix4& rhs) const;
bool operator!=(const Matrix4& rhs) const;
void multiply(const Matrix4& mat);
const Matrix4 operator*(const Matrix4& rhs) const;
const Vector4<S> operator*(const Vector4<S>& rhs) const;
void setIdentity();
bool isIdentity() const;
void setZero();
bool isZero() const;
inline void setRowCol(int row, int col, S value);
inline S rowCol(int row, int col) const;
inline S& operator()(int row, int col);
inline S operator()(int row, int col) const;
void setRow(int row, const Vector4<S>& vector);
Vector4<S> row(int row) const;
void setCol(int column, const Vector4<S>& vector);
Vector4<S> col(int column) const;
template<typename T>
void set(const Matrix4<T>& mat);
Vector3<S> translation() const;
void setTranslation(const Vector3<S>& trans);
void translatePreMultiply(const Vector3<S>& trans);
void translatePostMultiply(const Vector3<S>& trans);
bool invert();
const Matrix4 getInverted(bool* pInvertible = NULL) const;
S determinant() const;
void transpose();
const Matrix4 getTransposed() const;
void setFromMatrix3(const Matrix3<S>& mat3);
Matrix3<S> toMatrix3() const;
void toMatrix3(Matrix3<S>* mat3) const;
inline const S* ptr() const;
static Matrix4 fromTranslation(const Vector3<S>& trans);
static Matrix4 fromScaling(const Vector3<S>& scale);
static Matrix4 fromRotation(Vector3<S> axis, S angle);
static Matrix4 fromCoordSystemAxes(const Vector3<S>* xAxis, const Vector3<S>* yAxis, const Vector3<S>* zAxis);
public:
static const Matrix4 IDENTITY; ///< Identity matrix
static const Matrix4 ZERO; ///< Matrix with all zeros
private:
// Constants for accessing our internal array using standard matrix notation
static const int e00 = 0; static const int e01 = 4; static const int e02 = 8; static const int e03 = 12;
static const int e10 = 1; static const int e11 = 5; static const int e12 = 9; static const int e13 = 13;
static const int e20 = 2; static const int e21 = 6; static const int e22 = 10; static const int e23 = 14;
static const int e30 = 3; static const int e31 = 7; static const int e32 = 11; static const int e33 = 15;
private:
S m_v[16];
};
template<typename S>
Vector4<S> operator*(const Matrix4<S>& m, const Vector4<S>& v);
typedef Matrix4<float> Mat4f;
typedef Matrix4<double> Mat4d;
}
#include "cvfMatrix4.inl"