include/basegfx/point/b3dpoint.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19
  20 #pragma once
  21
  22 #include <basegfx/tuple/b3dtuple.hxx>
  23 #include <basegfx/basegfxdllapi.h>
  24
  25 namespace basegfx
  26 {
  27     class B3DHomMatrix;
  28
  29     /** Base Point class with three double values
  30
  31         This class derives all operators and common handling for
  32         a 3D data class from B3DTuple. All necessary extensions
  33         which are special for points will be added here.
  34
  35         @see B3DTuple
  36     */
  37     class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B3DPoint : public ::basegfx::B3DTuple
  38     {
  39     public:
  40         /** Create a 3D Point
  41
  42             The point is initialized to (0.0, 0.0, 0.0)
  43         */
  44         B3DPoint()
  45         :   B3DTuple()
  46         {}
  47
  48         /** Create a 3D Point
  49
  50             @param fX
  51             This parameter is used to initialize the X-coordinate
  52             of the 3D Point.
  53
  54             @param fY
  55             This parameter is used to initialize the Y-coordinate
  56             of the 3D Point.
  57
  58             @param fZ
  59             This parameter is used to initialize the Z-coordinate
  60             of the 3D Point.
  61         */
  62         B3DPoint(double fX, double fY, double fZ)
  63         :   B3DTuple(fX, fY, fZ)
  64         {}
  65
  66         /** constructor with tuple to allow copy-constructing
  67             from B3DTuple-based classes
  68         */
  69         B3DPoint(const ::basegfx::B3DTuple& rTuple)
  70         :   B3DTuple(rTuple)
  71         {}
  72
  73         /** *=operator to allow usage from B3DPoint, too
  74         */
  75         B3DPoint& operator*=( const B3DPoint& rPnt )
  76         {
  77             mfX *= rPnt.mfX;
  78             mfY *= rPnt.mfY;
  79             mfZ *= rPnt.mfZ;
  80             return *this;
  81         }
  82
  83         /** *=operator to allow usage from B3DPoint, too
  84         */
  85         B3DPoint& operator*=(double t)
  86         {
  87             mfX *= t;
  88             mfY *= t;
  89             mfZ *= t;
  90             return *this;
  91         }
  92
  93         /** assignment operator to allow assigning the results
  94             of B3DTuple calculations
  95         */
  96         B3DPoint& operator=( const ::basegfx::B3DTuple& rVec )
  97         {
  98             mfX = rVec.getX();
  99             mfY = rVec.getY();
 100             mfZ = rVec.getZ();
 101             return *this;
 102         }
 103
 104         /** Transform point by given transformation matrix.
 105
 106             The translational components of the matrix are, in
 107             contrast to B3DVector, applied.
 108         */
 109         B3DPoint& operator*=( const ::basegfx::B3DHomMatrix& rMat );
 110     };
 111
 112     // external operators
 113
 114
 115     /** Transform B3DPoint by given transformation matrix.
 116
 117         Since this is a Point, translational components of the
 118         matrix are used.
 119     */
 120     BASEGFX_DLLPUBLIC B3DPoint operator*( const B3DHomMatrix& rMat, const B3DPoint& rPoint );
 121
 122 } // end of namespace basegfx
 123
 124 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */