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/*************************************************************************
*
* 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 */
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