include/basegfx/range/basicbox.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_RANGE_BASICBOX_HXX
  21 #define INCLUDED_BASEGFX_RANGE_BASICBOX_HXX
  22
  23 #include <basegfx/range/basicrange.hxx>
  24 #include <basegfx/basegfxdllapi.h>
  25
  26
  27 namespace basegfx
  28 {
  29     /** Explicitly different from BasicRange, handling the inside predicates
  30         differently.
  31
  32         This is modelled after how polygon fill algorithms set pixel -
  33         typically excluding rightmost and bottommost ones.
  34      */
  35     class BasicBox : public BasicRange< sal_Int32, Int32Traits >
  36     {
  37         typedef BasicRange< sal_Int32, Int32Traits > Base;
  38     public:
  39         BasicBox() {}
  40
  41         explicit BasicBox( sal_Int32 nValue ) :
  42             Base( nValue )
  43         {
  44         }
  45
  46         bool isEmpty() const
  47         {
  48             return mnMinimum >= mnMaximum;
  49         }
  50
  51         using Base::isInside;
  52
  53         bool isInside(sal_Int32 nValue) const
  54         {
  55             if(isEmpty())
  56             {
  57                 return false;
  58             }
  59             else
  60             {
  61                 return (nValue >= mnMinimum) && (nValue < mnMaximum);
  62             }
  63         }
  64
  65         using Base::overlaps;
  66     };
  67
  68 } // end of namespace basegfx
  69
  70 #endif // INCLUDED_BASEGFX_RANGE_BASICBOX_HXX
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */