159 lines
4.8 KiB
C++
159 lines
4.8 KiB
C++
/*************************************************************************
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*
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* $RCSfile: rgbcolor.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2004-11-26 19:19:18 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _SLIDESHOW_RGBCOLOR_HXX
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#define _SLIDESHOW_RGBCOLOR_HXX
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#ifndef _CPPCANVAS_COLOR_HXX
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#include <cppcanvas/color.hxx>
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#endif
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/* Definition of RGBColor class */
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namespace presentation
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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 /* _SLIDESHOW_RGBCOLOR_HXX */
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