125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: rgbcolor.hxx,v $
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* $Revision: 1.6 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef INCLUDED_SLIDESHOW_RGBCOLOR_HXX
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#define INCLUDED_SLIDESHOW_RGBCOLOR_HXX
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#include <cppcanvas/color.hxx>
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/* Definition of RGBColor class */
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namespace slideshow
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{
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namespace internal
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{
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class HSLColor;
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/** RGB color space class.
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*/
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class RGBColor
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{
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public:
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RGBColor();
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explicit RGBColor( ::cppcanvas::Color::IntSRGBA nRGBColor );
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RGBColor( double nRed, double nGreen, double nBlue );
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explicit RGBColor( const HSLColor& rColor );
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/** Hue of the color.
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@return hue, is in the range [0,360]
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*/
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double getHue() const;
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/** Saturation of the color.
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@return saturation, is in the range [0,1]
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*/
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double getSaturation() const;
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/** Luminance of the color.
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@return luminance, is in the range [0,1]
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*/
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double getLuminance() const;
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/** Get the RGB red value.
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*/
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double getRed() const;
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/** Get the RGB green value.
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*/
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double getGreen() const;
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/** Get the RGB blue value.
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*/
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double getBlue() const;
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/** Create an HSL color object.
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*/
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HSLColor getHSLColor() const;
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/** Create an integer sRGBA color.
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*/
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::cppcanvas::Color::IntSRGBA getIntegerColor() const;
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struct RGBTriple
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{
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RGBTriple();
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RGBTriple( double nRed, double nGreen, double nBlue );
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double mnRed;
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double mnGreen;
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double mnBlue;
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};
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private:
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// default copy/assignment are okay
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// RGBColor(const RGBColor&);
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// RGBColor& operator=( const RGBColor& );
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RGBTriple maRGBTriple;
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};
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RGBColor operator+( const RGBColor& rLHS, const RGBColor& rRHS );
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RGBColor operator*( const RGBColor& rLHS, const RGBColor& rRHS );
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RGBColor operator*( double nFactor, const RGBColor& rRHS );
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/** RGB color linear interpolator.
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@param t
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As usual, t must be in the [0,1] range
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*/
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RGBColor interpolate( const RGBColor& rFrom, const RGBColor& rTo, double t );
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}
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}
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#endif /* INCLUDED_SLIDESHOW_RGBCOLOR_HXX */
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