/* | |
Copyright (C) 2007 Eric Seidel <eric@webkit.org> | |
This file is part of the WebKit project | |
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 |