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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 <[email protected]>
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 kpgradient_h
#define kpgradient_h
#include <qcolor.h>
#include <KoBrush.h>
#include <kpixmap.h>
#include "global.h"
class QPainter;
class KoTextZoomHandler;
/**
* Class: KPrGradient
*
* Encapsulates all gradient related functionality, to share it between
* KPr2DObject and KPrBackGround.
* KPrGradient stores the gradient parameters, and generate the gradient
* on demand, in @ref pixmap().
*/
class KPrGradient
{
public:
KPrGradient( const QColor &_color1, const QColor &_color2, BCType _bcType,
bool _unbalanced, int _xfactor, int _yfactor );
~KPrGradient() {}
QColor getColor1() const { return color1; }
QColor getColor2() const { return color2; }
BCType getBackColorType() const { return bcType; }
bool getUnbalanced() const { return unbalanced; }
int getXFactor() const { return xFactor; }
int getYFactor() const { return yFactor; }
void setColor1( const QColor &_color ) { color1 = _color; m_bDirty = true; }
void setColor2( const QColor &_color ) { color2 = _color; m_bDirty = true; }
void setBackColorType( BCType _type ) { bcType = _type; m_bDirty = true; }
void setUnbalanced( bool b ) { unbalanced = b; m_bDirty = true; }
void setXFactor( int i ) { xFactor = i; m_bDirty = true; }
void setYFactor( int i ) { yFactor = i; m_bDirty = true; }
void setSize( const QSize& _size )
{
if ( size() != _size ) {
m_pixmap.resize( _size );
m_bDirty = true;
}
}
// Sets all of the above at once. Used when loading.
void setParameters(const QColor &c1, const QColor &c2, BCType _type,
bool _unbalanced, int xf, int yf);
/** Return the pixmap containing the gradient.
* Calculated on demand if necessary (if m_bDirty is true).
*/
const QPixmap& pixmap() const;
QSize size() const { return m_pixmap.size(); }
void addRef();
bool removeRef();
protected:
/** Create the pixmap containing the gradient */
void paint();
KPrGradient() {}
QColor color1, color2;
BCType bcType;
KPixmap m_pixmap;
int refCount;
int xFactor, yFactor;
bool unbalanced;
bool m_bDirty;
};
#endif
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