xref: /AOO41X/main/basegfx/inc/basegfx/point/b3ipoint.hxx (revision ce9c7ef7bd056b6da7d6eeebb749fbf2160d647b)
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21 
22 
23 
24 #ifndef _BGFX_POINT_B3IPOINT_HXX
25 #define _BGFX_POINT_B3IPOINT_HXX
26 
27 #include <basegfx/tuple/b3ituple.hxx>
28 
29 namespace basegfx
30 {
31     // predeclaration
32     class B3DHomMatrix;
33 
34     /** Base Point class with three sal_Int32 values
35 
36         This class derives all operators and common handling for
37         a 3D data class from B3ITuple. All necessary extensions
38         which are special for points will be added here.
39 
40         @see B3ITuple
41     */
42     class B3IPoint : public ::basegfx::B3ITuple
43     {
44     public:
45         /** Create a 3D Point
46 
47             The point is initialized to (0, 0, 0)
48         */
B3IPoint()49         B3IPoint()
50         :   B3ITuple()
51         {}
52 
53         /** Create a 3D Point
54 
55             @param nX
56             This parameter is used to initialize the X-coordinate
57             of the 3D Point.
58 
59             @param nY
60             This parameter is used to initialize the Y-coordinate
61             of the 3D Point.
62 
63             @param nZ
64             This parameter is used to initialize the Z-coordinate
65             of the 3D Point.
66         */
B3IPoint(sal_Int32 nX,sal_Int32 nY,sal_Int32 nZ)67         B3IPoint(sal_Int32 nX, sal_Int32 nY, sal_Int32 nZ)
68         :   B3ITuple(nX, nY, nZ)
69         {}
70 
71         /** Create a copy of a 3D Point
72 
73             @param rVec
74             The 3D Point which will be copied.
75         */
B3IPoint(const B3IPoint & rVec)76         B3IPoint(const B3IPoint& rVec)
77         :   B3ITuple(rVec)
78         {}
79 
80         /** constructor with tuple to allow copy-constructing
81             from B3ITuple-based classes
82         */
B3IPoint(const::basegfx::B3ITuple & rTuple)83         B3IPoint(const ::basegfx::B3ITuple& rTuple)
84         :   B3ITuple(rTuple)
85         {}
86 
~B3IPoint()87         ~B3IPoint()
88         {}
89 
90         /** *=operator to allow usage from B3IPoint, too
91         */
operator *=(const B3IPoint & rPnt)92         B3IPoint& operator*=( const B3IPoint& rPnt )
93         {
94             mnX *= rPnt.mnX;
95             mnY *= rPnt.mnY;
96             mnZ *= rPnt.mnZ;
97             return *this;
98         }
99 
100         /** *=operator to allow usage from B3IPoint, too
101         */
operator *=(sal_Int32 t)102         B3IPoint& operator*=(sal_Int32 t)
103         {
104             mnX *= t;
105             mnY *= t;
106             mnZ *= t;
107             return *this;
108         }
109 
110         /** assignment operator to allow assigning the results
111             of B3ITuple calculations
112         */
operator =(const::basegfx::B3ITuple & rVec)113         B3IPoint& operator=( const ::basegfx::B3ITuple& rVec )
114         {
115             mnX = rVec.getX();
116             mnY = rVec.getY();
117             mnZ = rVec.getZ();
118             return *this;
119         }
120 
121         /** Transform point by given transformation matrix.
122 
123             The translational components of the matrix are, in
124             contrast to B3DVector, applied.
125         */
126         B3IPoint& operator*=( const ::basegfx::B3DHomMatrix& rMat );
127 
getEmptyPoint()128         static const B3IPoint& getEmptyPoint()
129         {
130             return (const B3IPoint&) ::basegfx::B3ITuple::getEmptyTuple();
131         }
132     };
133 } // end of namespace basegfx
134 
135 #endif /* _BGFX_POINT_B3IPOINT_HXX */
136