| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * (C) 2000 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
| * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef SKY_ENGINE_CORE_RENDERING_STYLE_BORDERVALUE_H_ |
| #define SKY_ENGINE_CORE_RENDERING_STYLE_BORDERVALUE_H_ |
| |
| #include "sky/engine/core/css/StyleColor.h" |
| #include "sky/engine/core/rendering/style/RenderStyleConstants.h" |
| #include "sky/engine/platform/graphics/Color.h" |
| |
| namespace blink { |
| |
| class BorderValue { |
| friend class RenderStyle; |
| public: |
| BorderValue() |
| : m_color(0) |
| , m_colorIsCurrentColor(true) |
| , m_width(3) |
| , m_style(BNONE) |
| , m_isAuto(AUTO_OFF) |
| { |
| } |
| |
| bool nonZero(bool checkStyle = true) const |
| { |
| return width() && (!checkStyle || m_style != BNONE); |
| } |
| |
| bool isTransparent() const |
| { |
| return !m_colorIsCurrentColor && !m_color.alpha(); |
| } |
| |
| bool isVisible(bool checkStyle = true) const |
| { |
| return nonZero(checkStyle) && !isTransparent() && (!checkStyle || m_style != BHIDDEN); |
| } |
| |
| bool operator==(const BorderValue& o) const |
| { |
| return m_width == o.m_width && m_style == o.m_style && m_color == o.m_color && m_colorIsCurrentColor == o.m_colorIsCurrentColor; |
| } |
| |
| // The default width is 3px, but if the style is none we compute a value of 0 (in RenderStyle itself) |
| bool visuallyEqual(const BorderValue& o) const |
| { |
| if (m_style == BNONE && o.m_style == BNONE) |
| return true; |
| if (m_style == BHIDDEN && o.m_style == BHIDDEN) |
| return true; |
| return *this == o; |
| } |
| |
| bool operator!=(const BorderValue& o) const |
| { |
| return !(*this == o); |
| } |
| |
| void setColor(const StyleColor& color) |
| { |
| m_color = color.resolve(Color()); |
| m_colorIsCurrentColor = color.isCurrentColor(); |
| } |
| |
| StyleColor color() const { return m_colorIsCurrentColor ? StyleColor::currentColor() : StyleColor(m_color); } |
| |
| unsigned width() const { return m_width; } |
| |
| EBorderStyle style() const { return static_cast<EBorderStyle>(m_style); } |
| void setStyle(EBorderStyle style) { m_style = style; } |
| |
| protected: |
| Color m_color; |
| unsigned m_colorIsCurrentColor : 1; |
| |
| unsigned m_width : 26; |
| unsigned m_style : 4; // EBorderStyle |
| |
| // This is only used by OutlineValue but moved here to keep the bits packed. |
| unsigned m_isAuto : 1; // OutlineIsAuto |
| }; |
| |
| } // namespace blink |
| |
| #endif // SKY_ENGINE_CORE_RENDERING_STYLE_BORDERVALUE_H_ |