1 /* 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) 4 * (C) 2000 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * Copyright (C) 2006 Graham Dennis (graham.dennis@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 BorderValue_h 26 #define BorderValue_h 27 28 #include "Color.h" 29 #include "RenderStyleConstants.h" 30 31 namespace WebCore { 32 33 class BorderValue { 34 friend class RenderStyle; 35 public: BorderValue()36 BorderValue() 37 : m_width(3) 38 , m_style(BNONE) 39 { 40 } 41 42 bool nonZero(bool checkStyle = true) const 43 { 44 return width() && (!checkStyle || m_style != BNONE); 45 } 46 isTransparent()47 bool isTransparent() const 48 { 49 return m_color.isValid() && !m_color.alpha(); 50 } 51 52 bool isVisible(bool checkStyle = true) const 53 { 54 return nonZero(checkStyle) && !isTransparent() && (!checkStyle || m_style != BHIDDEN); 55 } 56 57 bool operator==(const BorderValue& o) const 58 { 59 return m_width == o.m_width && m_style == o.m_style && m_color == o.m_color; 60 } 61 62 bool operator!=(const BorderValue& o) const 63 { 64 return !(*this == o); 65 } 66 color()67 const Color& color() const { return m_color; } width()68 unsigned short width() const { return m_width; } style()69 EBorderStyle style() const { return static_cast<EBorderStyle>(m_style); } 70 71 protected: 72 Color m_color; 73 unsigned m_width : 12; 74 unsigned m_style : 4; // EBorderStyle 75 }; 76 77 } // namespace WebCore 78 79 #endif // BorderValue_h 80