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/*
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
*
* 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 ColorDistance_h
#define ColorDistance_h
#if ENABLE(SVG)
namespace WebCore {
class Color;
class ColorDistance {
public:
ColorDistance();
ColorDistance(const Color& fromColor, const Color& toColor);
ColorDistance(int redDiff, int blueDiff, int greenDiff);
ColorDistance scaledDistance(float scaleFactor) const;
Color addToColorAndClamp(const Color&) const;
static Color addColorsAndClamp(const Color&, const Color&);
bool isZero() const;
float distance() const;
private:
short m_redDiff;
short m_greenDiff;
short m_blueDiff;
};
}
#endif // ENABLE(SVG)
#endif // ColorDistance_h
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