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Diffstat (limited to 'basegfx/inc/basegfx/matrix/b3dhommatrix.hxx')
-rw-r--r-- | basegfx/inc/basegfx/matrix/b3dhommatrix.hxx | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/basegfx/inc/basegfx/matrix/b3dhommatrix.hxx b/basegfx/inc/basegfx/matrix/b3dhommatrix.hxx new file mode 100644 index 000000000000..f3face91ee21 --- /dev/null +++ b/basegfx/inc/basegfx/matrix/b3dhommatrix.hxx @@ -0,0 +1,178 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _BGFX_MATRIX_B3DHOMMATRIX_HXX +#define _BGFX_MATRIX_B3DHOMMATRIX_HXX + +#include <sal/types.h> +#include <basegfx/point/b3dpoint.hxx> +#include <basegfx/vector/b3dvector.hxx> +#include <o3tl/cow_wrapper.hxx> + +namespace basegfx +{ + class B3DTuple; + class Impl3DHomMatrix; + + class B3DHomMatrix + { + public: + typedef o3tl::cow_wrapper< Impl3DHomMatrix > ImplType; + + private: + ImplType mpImpl; + + public: + B3DHomMatrix(); + B3DHomMatrix(const B3DHomMatrix& rMat); + ~B3DHomMatrix(); + + /// unshare this matrix with all internally shared instances + void makeUnique(); + + double get(sal_uInt16 nRow, sal_uInt16 nColumn) const; + void set(sal_uInt16 nRow, sal_uInt16 nColumn, double fValue); + + // test if last line is default to see if last line needs to be + // involved in calculations + bool isLastLineDefault() const; + + bool isIdentity() const; + /// Reset to the identity matrix + void identity(); + + bool isInvertible() const; + /// Invert the matrix (if possible) + bool invert(); + + bool isNormalized() const; + /// Normalize (i.e. force w=1) the matrix + void normalize(); + + /// Calc the matrix determinant + double determinant() const; + + /// Calc the matrix trace + double trace() const; + + /// Transpose the matrix + void transpose(); + + /// Rotation + void rotate(double fAngleX,double fAngleY,double fAngleZ); + + /// Translation + void translate(double fX, double fY, double fZ); + + /// Scaling + void scale(double fX, double fY, double fZ); + + // Shearing-Matrices + void shearXY(double fSx, double fSy); + void shearYZ(double fSy, double fSz); + void shearXZ(double fSx, double fSz); + + // Projection matrices, used for converting between eye and + // clip coordinates + void frustum(double fLeft = -1.0, double fRight = 1.0, + double fBottom = -1.0, double fTop = 1.0, + double fNear = 0.001, double fFar = 1.0); + + void ortho(double fLeft = -1.0, double fRight = 1.0, + double fBottom = -1.0, double fTop = 1.0, + double fNear = 0.0, double fFar = 1.0); + + // build orientation matrix + void orientation( + B3DPoint aVRP = B3DPoint(0.0,0.0,1.0), + B3DVector aVPN = B3DVector(0.0,0.0,1.0), + B3DVector aVUV = B3DVector(0.0,1.0,0.0)); + + // addition, subtraction + B3DHomMatrix& operator+=(const B3DHomMatrix& rMat); + B3DHomMatrix& operator-=(const B3DHomMatrix& rMat); + + // comparison + bool operator==(const B3DHomMatrix& rMat) const; + bool operator!=(const B3DHomMatrix& rMat) const; + + // multiplication, division by constant value + B3DHomMatrix& operator*=(double fValue); + B3DHomMatrix& operator/=(double fValue); + + // matrix multiplication (from the left) + B3DHomMatrix& operator*=(const B3DHomMatrix& rMat); + + // assignment operator + B3DHomMatrix& operator=(const B3DHomMatrix& rMat); + + // decomposition + bool decompose(B3DTuple& rScale, B3DTuple& rTranslate, B3DTuple& rRotate, B3DTuple& rShear) const; + }; + + // addition, subtraction + inline B3DHomMatrix operator+(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB) + { + B3DHomMatrix aSum(rMatA); + aSum += rMatB; + return aSum; + } + + inline B3DHomMatrix operator-(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB) + { + B3DHomMatrix aDiv(rMatA); + aDiv -= rMatB; + return aDiv; + } + + // multiplication, division by constant value + inline B3DHomMatrix operator*(const B3DHomMatrix& rMat, double fValue) + { + B3DHomMatrix aNew(rMat); + aNew *= fValue; + return aNew; + } + + inline B3DHomMatrix operator/(const B3DHomMatrix& rMat, double fValue) + { + B3DHomMatrix aNew(rMat); + aNew *= 1.0 / fValue; + return aNew; + } + + inline B3DHomMatrix operator*(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB) + { + B3DHomMatrix aMul(rMatB); + aMul *= rMatA; + return aMul; + } +} // end of namespace basegfx + +#endif /* _BGFX_MATRIX_B3DHOMMATRIX_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |