diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/svg/ColorDistance.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/svg/ColorDistance.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/svg/ColorDistance.h b/src/3rdparty/webkit/WebCore/svg/ColorDistance.h new file mode 100644 index 0000000..b7cc029 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/svg/ColorDistance.h @@ -0,0 +1,53 @@ +/* + 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 |