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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "Color.h"
#include <QStringList>
namespace Base
{
//__________________________________________________________
QColor Color::merge( const QColor& other, qreal intensity ) const
{
if( !isValid() ) return other;
if( !other.isValid() ) return *this;
if( other == *this ) return *this;
double red = intensity*Color::red() + (1.0-intensity )*other.red();
double green = intensity*Color::green() + (1.0-intensity )*other.green();
double blue = intensity*Color::blue() + (1.0-intensity )*other.blue();
double alpha = intensity*Color::alpha() + (1.0-intensity )*other.alpha();
return QColor( int( red ), int( green ), int( blue ), int( alpha ) );
}
//__________________________________________________________
QColor Color::addAlpha( qreal intensity ) const
{
QColor out( *this );
out.setAlpha( intensity*alpha() );
return out;
}
//__________________________________________________________
bool Color::operator < (const Color& other ) const
{
if( red() != other.red() ) return red() < other.red();
else if( green() != other.green() ) return green() < other.green();
else if( blue() != other.blue() ) return blue() < other.blue();
else if( alpha() != other.alpha() ) return alpha() < other.alpha();
else return false;
}
}
//__________________________________________________________
QTextStream& operator << (QTextStream& out, const Base::Color& color )
{
out << color.red() << "," << color.green() << "," << color.blue() << "," << color.alpha();
return out;
}
//__________________________________________________________
QTextStream& operator >> (QTextStream& in, Base::Color& color )
{
QString colorString;
in >> colorString;
const QStringList stringList( colorString.split( "," ) );
if( stringList.size() >= 3 )
{
color.setRed( stringList[0].toInt() );
color.setGreen( stringList[1].toInt() );
color.setBlue( stringList[2].toInt() );
if( stringList.size() >= 4 ) color.setAlpha( stringList[3].toInt() );
else color.setAlpha( 255 );
} else {
color.setNamedColor( colorString );
}
return in;
}
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