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+/* -*- 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: */