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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.
*/
#include "KPrGradient.h"
#include <qpainter.h>
#include <kpixmapeffect.h>
#include <kdebug.h>
#include <KoTextZoomHandler.h>
KPrGradient::KPrGradient( const QColor &_color1, const QColor &_color2, BCType _bcType,
bool _unbalanced, int _xfactor, int _yfactor )
: color1( _color1 ), color2( _color2 ), bcType( _bcType ),
m_pixmap(), refCount( 0 ),
xFactor( _xfactor ), yFactor( _yfactor ),
unbalanced( _unbalanced ), m_bDirty( true )
{
//m_pixmap.resize( _size );
}
void KPrGradient::setParameters(const QColor &c1, const QColor &c2, BCType _type,
bool _unbalanced, int xf, int yf) {
color1=c1;
color2=c2;
bcType=_type;
unbalanced=_unbalanced;
xFactor=xf;
yFactor=yf;
m_bDirty = true;
}
void KPrGradient::addRef()
{
++refCount;
}
bool KPrGradient::removeRef()
{
return ( --refCount == 0 );
}
void KPrGradient::paint()
{
QPainter painter;
switch ( bcType ) {
case BCT_PLAIN:
painter.begin( &m_pixmap );
painter.setPen( Qt::NoPen );
painter.setBrush( color1 );
painter.drawRect( m_pixmap.rect() );
painter.end();
break;
case BCT_GHORZ: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::VerticalGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2, KPixmapEffect::VerticalGradient,
xFactor, yFactor );
} break;
case BCT_GVERT: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::HorizontalGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2, KPixmapEffect::HorizontalGradient,
xFactor, yFactor );
} break;
case BCT_GDIAGONAL1: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::DiagonalGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2, KPixmapEffect::DiagonalGradient,
xFactor, yFactor );
} break;
case BCT_GDIAGONAL2: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::CrossDiagonalGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2,
KPixmapEffect::CrossDiagonalGradient, xFactor, yFactor );
} break;
case BCT_GCIRCLE: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::EllipticGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2,
KPixmapEffect::EllipticGradient, xFactor, yFactor );
} break;
case BCT_GRECT: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::RectangleGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2,
KPixmapEffect::RectangleGradient, xFactor, yFactor );
} break;
case BCT_GPIPECROSS: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::PipeCrossGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2,
KPixmapEffect::PipeCrossGradient, xFactor, yFactor );
} break;
case BCT_GPYRAMID: {
if ( !unbalanced )
KPixmapEffect::gradient( m_pixmap, color1, color2, KPixmapEffect::PyramidGradient );
else
KPixmapEffect::unbalancedGradient( m_pixmap, color1, color2,
KPixmapEffect::PyramidGradient, xFactor, yFactor );
} break;
}
m_bDirty = false;
}
const QPixmap& KPrGradient::pixmap() const
{
if ( m_bDirty )
const_cast<KPrGradient *>(this)->paint();
return m_pixmap;
}
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