include/basegfx/point/b2ipoint.hxx

   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_POINT_B2IPOINT_HXX
  21 #define INCLUDED_BASEGFX_POINT_B2IPOINT_HXX
  22
  23 #include <basegfx/tuple/b2ituple.hxx>
  24 #include <basegfx/basegfxdllapi.h>
  25
  26 namespace basegfx
  27 {
  28     class B2DHomMatrix;
  29
  30     /** Base Point class with two sal_Int32 values
  31
  32         This class derives all operators and common handling for
  33         a 2D data class from B2ITuple. All necessary extensions
  34         which are special for points will be added here.
  35
  36         @see B2ITuple
  37     */
  38     class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B2IPoint : public ::basegfx::B2ITuple
  39     {
  40     public:
  41         /** Create a 2D Point
  42
  43             The point is initialized to (0, 0)
  44         */
  45         B2IPoint()
  46         :   B2ITuple()
  47         {}
  48
  49         /** Create a 2D Point
  50
  51             @param nX
  52             This parameter is used to initialize the X-coordinate
  53             of the 2D Point.
  54
  55             @param nY
  56             This parameter is used to initialize the Y-coordinate
  57             of the 2D Point.
  58         */
  59         B2IPoint(sal_Int32 nX, sal_Int32 nY)
  60         :   B2ITuple(nX, nY)
  61         {}
  62
  63         /** constructor with tuple to allow copy-constructing
  64             from B2ITuple-based classes
  65         */
  66         B2IPoint(const ::basegfx::B2ITuple& rTuple)
  67         :   B2ITuple(rTuple)
  68         {}
  69
  70         /** *=operator to allow usage from B2IPoint, too
  71         */
  72         B2IPoint& operator*=( const B2IPoint& rPnt )
  73         {
  74             mnX *= rPnt.mnX;
  75             mnY *= rPnt.mnY;
  76             return *this;
  77         }
  78
  79         /** *=operator to allow usage from B2IPoint, too
  80         */
  81         B2IPoint& operator*=(sal_Int32 t)
  82         {
  83             mnX *= t;
  84             mnY *= t;
  85             return *this;
  86         }
  87
  88         /** assignment operator to allow assigning the results
  89             of B2ITuple calculations
  90         */
  91         B2IPoint& operator=( const ::basegfx::B2ITuple& rPoint );
  92
  93         /** Transform point by given transformation matrix.
  94
  95             The translational components of the matrix are, in
  96             contrast to B2DVector, applied.
  97         */
  98         B2IPoint& operator*=( const ::basegfx::B2DHomMatrix& rMat );
  99     };
 100 } // end of namespace basegfx
 101
 102 #endif // INCLUDED_BASEGFX_POINT_B2IPOINT_HXX
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */