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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.
*
*/
#pragma once
#include "Color.h"
#include "RenderStyleConstants.h"
namespace WebCore {
class BorderValue {
friend class RenderStyle;
public:
BorderValue()
: m_style(static_cast<unsigned>(BorderStyle::None))
, m_isAuto(static_cast<unsigned>(OutlineIsAuto::Off))
{
}
bool nonZero(bool checkStyle = true) const
{
return width() && (!checkStyle || style() != BorderStyle::None);
}
bool isTransparent() const
{
return m_color.isValid() && !m_color.isVisible();
}
bool isVisible(bool checkStyle = true) const
{
return nonZero(checkStyle) && !isTransparent() && (!checkStyle || style() != BorderStyle::Hidden);
}
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);
}
void setColor(const Color& color)
{
m_color = color;
}
const Color& color() const { return m_color; }
float width() const { return m_width; }
BorderStyle style() const { return static_cast<BorderStyle>(m_style); }
float boxModelWidth() const;
protected:
Color m_color;
float m_width { 3 };
unsigned m_style : 4; // BorderStyle
// This is only used by OutlineValue but moved here to keep the bits packed.
unsigned m_isAuto : 1; // OutlineIsAuto
};
inline float BorderValue::boxModelWidth() const
{
auto style = this->style();
if (style == BorderStyle::None || style == BorderStyle::Hidden)
return 0;
return width();
}
} // namespace WebCore