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/*
* 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 BorderValue_h
#define BorderValue_h
#include "Color.h"
#include "RenderStyleConstants.h"
namespace WebCore {
class BorderValue {
friend class RenderStyle;
public:
BorderValue()
: m_width(3)
, m_style(BNONE)
{
}
bool nonZero(bool checkStyle = true) const
{
return width() && (!checkStyle || m_style != BNONE);
}
bool isTransparent() const
{
return m_color.isValid() && !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;
}
bool operator!=(const BorderValue& o) const
{
return !(*this == o);
}
const Color& color() const { return m_color; }
unsigned short width() const { return m_width; }
EBorderStyle style() const { return static_cast<EBorderStyle>(m_style); }
protected:
Color m_color;
unsigned m_width : 12;
unsigned m_style : 4; // EBorderStyle
};
} // namespace WebCore
#endif // BorderValue_h
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