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      1 /*
      2  * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 2000 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
      6  * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com)
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #ifndef BorderData_h
     26 #define BorderData_h
     27 
     28 #include "BorderValue.h"
     29 #include "IntRect.h"
     30 #include "LengthSize.h"
     31 #include "NinePieceImage.h"
     32 
     33 namespace WebCore {
     34 
     35 class BorderData {
     36 friend class RenderStyle;
     37 public:
     38     BorderData() : m_topLeft(Length(0, Fixed), Length(0, Fixed))
     39                  , m_topRight(Length(0, Fixed), Length(0, Fixed))
     40                  , m_bottomLeft(Length(0, Fixed), Length(0, Fixed))
     41                  , m_bottomRight(Length(0, Fixed), Length(0, Fixed))
     42     {
     43     }
     44     bool hasBorder() const
     45     {
     46         bool haveImage = m_image.hasImage();
     47         return m_left.nonZero(!haveImage) || m_right.nonZero(!haveImage) || m_top.nonZero(!haveImage) || m_bottom.nonZero(!haveImage);
     48     }
     49 
     50     bool hasBorderRadius() const
     51     {
     52         if (!m_topLeft.width().isZero())
     53             return true;
     54         if (!m_topRight.width().isZero())
     55             return true;
     56         if (!m_bottomLeft.width().isZero())
     57             return true;
     58         if (!m_bottomRight.width().isZero())
     59             return true;
     60         return false;
     61     }
     62 
     63     unsigned short borderLeftWidth() const
     64     {
     65         if (!m_image.hasImage() && (m_left.style() == BNONE || m_left.style() == BHIDDEN))
     66             return 0;
     67         return m_left.width();
     68     }
     69 
     70     unsigned short borderRightWidth() const
     71     {
     72         if (!m_image.hasImage() && (m_right.style() == BNONE || m_right.style() == BHIDDEN))
     73             return 0;
     74         return m_right.width();
     75     }
     76 
     77     unsigned short borderTopWidth() const
     78     {
     79         if (!m_image.hasImage() && (m_top.style() == BNONE || m_top.style() == BHIDDEN))
     80             return 0;
     81         return m_top.width();
     82     }
     83 
     84     unsigned short borderBottomWidth() const
     85     {
     86         if (!m_image.hasImage() && (m_bottom.style() == BNONE || m_bottom.style() == BHIDDEN))
     87             return 0;
     88         return m_bottom.width();
     89     }
     90 
     91     bool operator==(const BorderData& o) const
     92     {
     93         return m_left == o.m_left && m_right == o.m_right && m_top == o.m_top && m_bottom == o.m_bottom && m_image == o.m_image
     94                && m_topLeft == o.m_topLeft && m_topRight == o.m_topRight && m_bottomLeft == o.m_bottomLeft && m_bottomRight == o.m_bottomRight;
     95     }
     96 
     97     bool operator!=(const BorderData& o) const
     98     {
     99         return !(*this == o);
    100     }
    101 
    102     const BorderValue& left() const { return m_left; }
    103     const BorderValue& right() const { return m_right; }
    104     const BorderValue& top() const { return m_top; }
    105     const BorderValue& bottom() const { return m_bottom; }
    106 
    107     const NinePieceImage& image() const { return m_image; }
    108 
    109     const LengthSize& topLeft() const { return m_topLeft; }
    110     const LengthSize& topRight() const { return m_topRight; }
    111     const LengthSize& bottomLeft() const { return m_bottomLeft; }
    112     const LengthSize& bottomRight() const { return m_bottomRight; }
    113 
    114 private:
    115     BorderValue m_left;
    116     BorderValue m_right;
    117     BorderValue m_top;
    118     BorderValue m_bottom;
    119 
    120     NinePieceImage m_image;
    121 
    122     LengthSize m_topLeft;
    123     LengthSize m_topRight;
    124     LengthSize m_bottomLeft;
    125     LengthSize m_bottomRight;
    126 };
    127 
    128 } // namespace WebCore
    129 
    130 #endif // BorderData_h
    131