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      1 /*
      2     Copyright (C) 1999 Lars Knoll (knoll (at) 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(Length t, Length r, Length b, Length l)
     50         : m_left(l)
     51         , m_right(r)
     52         , m_top(t)
     53         , m_bottom(b)
     54     {
     55     }
     56 
     57     LengthBox(int t, int r, int b, int l)
     58         : m_left(Length(l, Fixed))
     59         , m_right(Length(r, Fixed))
     60         , m_top(Length(t, Fixed))
     61         , m_bottom(Length(b, Fixed))
     62     {
     63     }
     64 
     65     Length left() const { return m_left; }
     66     Length right() const { return m_right; }
     67     Length top() const { return m_top; }
     68     Length bottom() const { return m_bottom; }
     69 
     70     bool operator==(const LengthBox& o) const
     71     {
     72         return m_left == o.m_left && m_right == o.m_right && m_top == o.m_top && m_bottom == o.m_bottom;
     73     }
     74 
     75     bool operator!=(const LengthBox& o) const
     76     {
     77         return !(*this == o);
     78     }
     79 
     80     bool nonZero() const
     81     {
     82         return !(m_left.isZero() && m_right.isZero() && m_top.isZero() && m_bottom.isZero());
     83     }
     84 
     85     Length m_left;
     86     Length m_right;
     87     Length m_top;
     88     Length m_bottom;
     89 };
     90 
     91 } // namespace WebCore
     92 
     93 #endif // LengthBox_h
     94