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// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
/* This file is part of the KDE project
Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef kpgradientcollection_h
#define kpgradientcollection_h
#include <qptrlist.h>
#include "global.h"
#include "KPrGradient.h"
class QPixmap;
/**
* Class: KPrGradientCollection
* Holds a collection of gradients, and is able to provide a gradient
* for a given set of gradient parameters.
* The idea is to be able to share gradients among pages which need the same one.
* This class is currently only used for KPBackground, not for objects with gradients
* (those having much less chances of sharing).
*/
class KPrGradientCollection
{
public:
KPrGradientCollection()
{ gradientList.setAutoDelete( true ); }
~KPrGradientCollection()
{ gradientList.clear(); }
/** Retrieve or create gradient for the given parameters */
const QPixmap& getGradient( const QColor &_color1, const QColor &_color2, BCType _bcType, const QSize &_size,
bool _unbalanced, int _xfactor, int _yfactor, bool addref = true );
/** Remove reference to gradient with the given parameters */
void removeRef( const QColor &_color1, const QColor &_color2, BCType _bcType, const QSize &_size,
bool _unbalanced, int _xfactor, int _yfactor );
protected:
KPrGradient* inGradientList( const QColor &_color1, const QColor &_color2, BCType _bcType, const QSize &_size,
bool _unbalanced, int _xfactor, int _yfactor ) const;
private:
QPtrList<KPrGradient> gradientList;
};
#endif
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