/***************************************************************************    copyright            : (C) 2004 by amarok squad    email                : amarok@kde.org ***************************************************************************//*************************************************************************** *   This library is free software; you can redistribute it and/or modify  * *   it  under the terms of the GNU Lesser General Public License version  * *   2.1 as published by the Free Software Foundation.                     * *                                                                         * *   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     * *   Lesser General Public License for more details.                       * *                                                                         * *   You should have received a copy of the GNU Lesser General Public      * *   License along with this library; if not, write to the Free Software   * *   Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA  02111-1307  * *   USA                                                                   * ***************************************************************************/#ifndef COLORGENERATOR_H#define COLORGENERATOR_H#include "debug.h"namespace Amarok {class Color : public QColor{    static const int CONTRAST = 130;    static const int SATURATION_TARGET = 30;public:    Color( const QColor &c ) : QColor( c )    {        DEBUG_BLOCK        int h,s1,s,v1,v;        getHsv( &h, &s1, &v1 );        debug() << "Initial Color Properties: s:" << s1 << " v:" << v1 << endl;        //we want the new colour to be low saturation        //TODO what if s is less than SATURATION_TARGET to start with        s = s1 - CONTRAST;        v = v1;        if ( s < SATURATION_TARGET ) {            int remainingContrast = SATURATION_TARGET - s;            s = SATURATION_TARGET;            debug() << "Unapplied Contrast: " << remainingContrast << endl;            //we only add to the value to avoid the dreaded "grey-gradient"            v += remainingContrast;            if ( v > 255 ) {                int error = v - 255;                debug() << "Over-compensation: " << error << endl;                //if the error is significant then this must be a pretty bright colour                //it would look better if the gradient was dark                if( error > CONTRAST/2 )                    v = v1 - error;                else                    v = 255;            }        }        setHsv( h, s, v );        debug() << "Final Colour Properties: s:" << s << " v:" << v << endl;    }};}#endif