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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_BASEGFX_MATRIX_B3DHOMMATRIX_HXX
21 : #define INCLUDED_BASEGFX_MATRIX_B3DHOMMATRIX_HXX
22 :
23 : #include <sal/types.h>
24 : #include <basegfx/point/b3dpoint.hxx>
25 : #include <basegfx/vector/b3dvector.hxx>
26 : #include <o3tl/cow_wrapper.hxx>
27 : #include <basegfx/basegfxdllapi.h>
28 :
29 : namespace basegfx
30 : {
31 : class B3DTuple;
32 : class Impl3DHomMatrix;
33 :
34 : class BASEGFX_DLLPUBLIC B3DHomMatrix
35 : {
36 : public:
37 : typedef o3tl::cow_wrapper< Impl3DHomMatrix > ImplType;
38 :
39 : private:
40 : ImplType mpImpl;
41 :
42 : public:
43 : B3DHomMatrix();
44 : B3DHomMatrix(const B3DHomMatrix& rMat);
45 : ~B3DHomMatrix();
46 :
47 : double get(sal_uInt16 nRow, sal_uInt16 nColumn) const;
48 : void set(sal_uInt16 nRow, sal_uInt16 nColumn, double fValue);
49 :
50 : // test if last line is default to see if last line needs to be
51 : // involved in calculations
52 : bool isLastLineDefault() const;
53 :
54 : bool isIdentity() const;
55 : /// Reset to the identity matrix
56 : void identity();
57 :
58 : /// Invert the matrix (if possible)
59 : bool invert();
60 :
61 : /// Calc the matrix determinant
62 : double determinant() const;
63 :
64 : /// Rotation
65 : void rotate(double fAngleX,double fAngleY,double fAngleZ);
66 :
67 : /// Translation
68 : void translate(double fX, double fY, double fZ);
69 :
70 : /// Scaling
71 : void scale(double fX, double fY, double fZ);
72 :
73 : // Shearing-Matrices
74 : void shearXY(double fSx, double fSy);
75 : void shearXZ(double fSx, double fSz);
76 :
77 : // Projection matrices, used for converting between eye and
78 : // clip coordinates
79 : void frustum(double fLeft = -1.0, double fRight = 1.0,
80 : double fBottom = -1.0, double fTop = 1.0,
81 : double fNear = 0.001, double fFar = 1.0);
82 :
83 : void ortho(double fLeft = -1.0, double fRight = 1.0,
84 : double fBottom = -1.0, double fTop = 1.0,
85 : double fNear = 0.0, double fFar = 1.0);
86 :
87 : // build orientation matrix
88 : void orientation(
89 : B3DPoint aVRP = B3DPoint(0.0,0.0,1.0),
90 : B3DVector aVPN = B3DVector(0.0,0.0,1.0),
91 : B3DVector aVUV = B3DVector(0.0,1.0,0.0));
92 :
93 : // addition, subtraction
94 : B3DHomMatrix& operator+=(const B3DHomMatrix& rMat);
95 : B3DHomMatrix& operator-=(const B3DHomMatrix& rMat);
96 :
97 : // comparison
98 : bool operator==(const B3DHomMatrix& rMat) const;
99 : bool operator!=(const B3DHomMatrix& rMat) const;
100 :
101 : // multiplication, division by constant value
102 : B3DHomMatrix& operator*=(double fValue);
103 : B3DHomMatrix& operator/=(double fValue);
104 :
105 : // matrix multiplication (from the left)
106 : B3DHomMatrix& operator*=(const B3DHomMatrix& rMat);
107 :
108 : // assignment operator
109 : B3DHomMatrix& operator=(const B3DHomMatrix& rMat);
110 :
111 : // decomposition
112 : bool decompose(B3DTuple& rScale, B3DTuple& rTranslate, B3DTuple& rRotate, B3DTuple& rShear) const;
113 : };
114 :
115 : // addition, subtraction
116 : inline B3DHomMatrix operator+(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB)
117 : {
118 : B3DHomMatrix aSum(rMatA);
119 : aSum += rMatB;
120 : return aSum;
121 : }
122 :
123 : inline B3DHomMatrix operator-(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB)
124 : {
125 : B3DHomMatrix aDiv(rMatA);
126 : aDiv -= rMatB;
127 : return aDiv;
128 : }
129 :
130 : // multiplication, division by constant value
131 : inline B3DHomMatrix operator*(const B3DHomMatrix& rMat, double fValue)
132 : {
133 : B3DHomMatrix aNew(rMat);
134 : aNew *= fValue;
135 : return aNew;
136 : }
137 :
138 : inline B3DHomMatrix operator/(const B3DHomMatrix& rMat, double fValue)
139 : {
140 : B3DHomMatrix aNew(rMat);
141 : aNew *= 1.0 / fValue;
142 : return aNew;
143 : }
144 :
145 0 : inline B3DHomMatrix operator*(const B3DHomMatrix& rMatA, const B3DHomMatrix& rMatB)
146 : {
147 0 : B3DHomMatrix aMul(rMatB);
148 0 : aMul *= rMatA;
149 0 : return aMul;
150 : }
151 : } // end of namespace basegfx
152 :
153 : #endif // INCLUDED_BASEGFX_MATRIX_B3DHOMMATRIX_HXX
154 :
155 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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