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 public: BorderValue()35 BorderValue() 36 : width(3) 37 , m_style(BNONE) 38 { 39 } 40 41 Color color; 42 unsigned width : 12; 43 unsigned m_style : 4; // EBorderStyle 44 style()45 EBorderStyle style() const { return static_cast<EBorderStyle>(m_style); } 46 47 bool nonZero(bool checkStyle = true) const 48 { 49 return width != 0 && (!checkStyle || m_style != BNONE); 50 } 51 isTransparent()52 bool isTransparent() const 53 { 54 return color.isValid() && color.alpha() == 0; 55 } 56 57 bool isVisible(bool checkStyle = true) const 58 { 59 return nonZero(checkStyle) && !isTransparent() && (!checkStyle || m_style != BHIDDEN); 60 } 61 62 bool operator==(const BorderValue& o) const 63 { 64 return width == o.width && m_style == o.m_style && color == o.color; 65 } 66 67 bool operator!=(const BorderValue& o) const 68 { 69 return !(*this == o); 70 } 71 }; 72 73 } // namespace WebCore 74 75 #endif // BorderValue_h 76