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Diffstat (limited to 'slideshow/source/inc/rgbcolor.hxx')
-rw-r--r-- | slideshow/source/inc/rgbcolor.hxx | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/slideshow/source/inc/rgbcolor.hxx b/slideshow/source/inc/rgbcolor.hxx new file mode 100644 index 000000000000..70f8a8d88499 --- /dev/null +++ b/slideshow/source/inc/rgbcolor.hxx @@ -0,0 +1,125 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef INCLUDED_SLIDESHOW_RGBCOLOR_HXX +#define INCLUDED_SLIDESHOW_RGBCOLOR_HXX + +#include <cppcanvas/color.hxx> + + +/* Definition of RGBColor class */ + +namespace slideshow +{ + namespace internal + { + class HSLColor; + + /** RGB color space class. + */ + class RGBColor + { + public: + RGBColor(); + explicit RGBColor( ::cppcanvas::Color::IntSRGBA nRGBColor ); + RGBColor( double nRed, double nGreen, double nBlue ); + explicit RGBColor( const HSLColor& rColor ); + + /** Hue of the color. + + @return hue, is in the range [0,360] + */ + double getHue() const; + + /** Saturation of the color. + + @return saturation, is in the range [0,1] + */ + double getSaturation() const; + + /** Luminance of the color. + + @return luminance, is in the range [0,1] + */ + double getLuminance() const; + + /** Get the RGB red value. + */ + double getRed() const; + + /** Get the RGB green value. + */ + double getGreen() const; + + /** Get the RGB blue value. + */ + double getBlue() const; + + /** Create an HSL color object. + */ + HSLColor getHSLColor() const; + + /** Create an integer sRGBA color. + */ + ::cppcanvas::Color::IntSRGBA getIntegerColor() const; + + RGBColor(const RGBColor& rLHS); + RGBColor& operator=( const RGBColor& rLHS); + + struct RGBTriple + { + RGBTriple(); + RGBTriple( double nRed, double nGreen, double nBlue ); + + double mnRed; + double mnGreen; + double mnBlue; + }; + + private: + // default copy/assignment are okay + // RGBColor(const RGBColor&); + // RGBColor& operator=( const RGBColor& ); + + RGBTriple maRGBTriple; + }; + + RGBColor operator+( const RGBColor& rLHS, const RGBColor& rRHS ); + RGBColor operator*( const RGBColor& rLHS, const RGBColor& rRHS ); + RGBColor operator*( double nFactor, const RGBColor& rRHS ); + + + /** RGB color linear interpolator. + + @param t + As usual, t must be in the [0,1] range + */ + RGBColor interpolate( const RGBColor& rFrom, const RGBColor& rTo, double t ); + } +} + +#endif /* INCLUDED_SLIDESHOW_RGBCOLOR_HXX */ |