WebCore/platform/LengthBox.h

   1 /*
   2     Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3     Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18     Boston, MA 02110-1301, USA.
  19 */
  20
  21 #ifndef LengthBox_h
  22 #define LengthBox_h
  23
  24 #include "Length.h"
  25
  26 namespace WebCore {
  27
  28 struct LengthBox {
  29     LengthBox()
  30     {
  31     }
  32
  33     LengthBox(LengthType t)
  34         : m_left(t)
  35         , m_right(t)
  36         , m_top(t)
  37         , m_bottom(t)
  38     {
  39     }
  40
  41     LengthBox(int v)
  42         : m_left(Length(v, Fixed))
  43         , m_right(Length(v, Fixed))
  44         , m_top(Length(v, Fixed))
  45         , m_bottom(Length(v, Fixed))
  46     {
  47     }
  48
  49     LengthBox(int t, int r, int b, int l)
  50         : m_left(Length(l, Fixed))
  51         , m_right(Length(r, Fixed))
  52         , m_top(Length(t, Fixed))
  53         , m_bottom(Length(b, Fixed))
  54     {
  55     }
  56
  57     Length left() const { return m_left; }
  58     Length right() const { return m_right; }
  59     Length top() const { return m_top; }
  60     Length bottom() const { return m_bottom; }
  61
  62     bool operator==(const LengthBox& o) const
  63     {
  64         return m_left == o.m_left && m_right == o.m_right && m_top == o.m_top && m_bottom == o.m_bottom;
  65     }
  66
  67     bool operator!=(const LengthBox& o) const
  68     {
  69         return !(*this == o);
  70     }
  71
  72     bool nonZero() const
  73     {
  74         return !(m_left.isZero() && m_right.isZero() && m_top.isZero() && m_bottom.isZero());
  75     }
  76
  77     Length m_left;
  78     Length m_right;
  79     Length m_top;
  80     Length m_bottom;
  81 };
  82
  83 } // namespace WebCore
  84
  85 #endif // LengthBox_h