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74 lines
3.2 KiB
74 lines
3.2 KiB
15 years ago
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// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
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/* This file is part of the KDE project
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Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
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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 Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "KPrGradientCollection.h"
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#include "KPrGradient.h"
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#include <qstring.h>
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const QPixmap& KPrGradientCollection::getGradient( const QColor &_color1, const QColor &_color2,
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BCType _bcType, const QSize &_size,
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bool _unbalanced, int _xfactor, int _yfactor, bool addref )
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{
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KPrGradient *cachedGradient = inGradientList( _color1, _color2, _bcType, _size, _unbalanced, _xfactor, _yfactor );
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if ( !cachedGradient ) {
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KPrGradient *kpgradient = new KPrGradient( _color1, _color2, _bcType, _unbalanced, _xfactor, _yfactor );
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kpgradient->setSize( _size );
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gradientList.append( kpgradient );
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if ( addref )
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kpgradient->addRef();
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return kpgradient->pixmap();
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} else {
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if ( addref )
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cachedGradient->addRef();
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return cachedGradient->pixmap();
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}
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}
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void KPrGradientCollection::removeRef( const QColor &_color1, const QColor &_color2,
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BCType _bcType, const QSize &_size,
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bool _unbalanced, int _xfactor, int _yfactor)
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{
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KPrGradient* cachedGradient = inGradientList( _color1, _color2, _bcType, _size, _unbalanced, _xfactor, _yfactor );
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if ( cachedGradient ) {
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if ( cachedGradient->removeRef() ) // does deref say it was the last use?
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gradientList.removeRef( cachedGradient ); // yes -> remove from list
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}
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}
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KPrGradient* KPrGradientCollection::inGradientList( const QColor &_color1, const QColor &_color2,
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BCType _bcType, const QSize &_size,
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bool _unbalanced, int _xfactor, int _yfactor ) const
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{
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QPtrListIterator<KPrGradient> it( gradientList );
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for ( ; it.current() ; ++it ) {
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KPrGradient *kpgradient = it.current();
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if ( kpgradient->getColor1() == _color1 && kpgradient->getColor2() == _color2 &&
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kpgradient->getBackColorType() == _bcType && kpgradient->size() == _size &&
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kpgradient->getUnbalanced() == _unbalanced && kpgradient->getXFactor() == _xfactor &&
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kpgradient->getYFactor() == _yfactor )
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return kpgradient;
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}
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return 0L;
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}
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