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 BorderValue_h 26 #define BorderValue_h 27 28 #include "core/css/StyleColor.h" 29 #include "core/rendering/style/RenderStyleConstants.h" 30 31 namespace WebCore { 32 33 class BorderValue { 34 friend class RenderStyle; 35 public: 36 BorderValue() 37 : m_color(0) 38 , m_colorIsValid(false) 39 , m_currentColor(false) 40 , m_width(3) 41 , m_style(BNONE) 42 , m_isAuto(AUTO_OFF) 43 { 44 } 45 46 bool nonZero(bool checkStyle = true) const 47 { 48 return width() && (!checkStyle || m_style != BNONE); 49 } 50 51 bool isTransparent() const 52 { 53 return m_colorIsValid && !m_currentColor && !m_color.alpha(); 54 } 55 56 bool isVisible(bool checkStyle = true) const 57 { 58 return nonZero(checkStyle) && !isTransparent() && (!checkStyle || m_style != BHIDDEN); 59 } 60 61 bool operator==(const BorderValue& o) const 62 { 63 return m_width == o.m_width && m_style == o.m_style && m_color == o.m_color && m_colorIsValid == o.m_colorIsValid && m_currentColor == o.m_currentColor; 64 } 65 66 bool operator!=(const BorderValue& o) const 67 { 68 return !(*this == o); 69 } 70 71 void setColor(const StyleColor& color) 72 { 73 m_color = color.color(); 74 m_colorIsValid = color.isValid(); 75 m_currentColor = color.isCurrentColor(); 76 } 77 78 StyleColor color() const { return StyleColor(m_color, m_colorIsValid, m_currentColor); } 79 80 unsigned width() const { return m_width; } 81 EBorderStyle style() const { return static_cast<EBorderStyle>(m_style); } 82 83 protected: 84 Color m_color; 85 unsigned m_colorIsValid : 1; 86 unsigned m_currentColor : 1; 87 88 unsigned m_width : 25; 89 unsigned m_style : 4; // EBorderStyle 90 91 // This is only used by OutlineValue but moved here to keep the bits packed. 92 unsigned m_isAuto : 1; // OutlineIsAuto 93 }; 94 95 } // namespace WebCore 96 97 #endif // BorderValue_h 98