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koffice/kpresenter/KPrBackground.h

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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>
Copyright (C) 2004,2006 Thorsten Zachmann <zachmann@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 kpbackground_h
#define kpbackground_h
#include <qsize.h>
#include <qdatetime.h>
#include <KoBrush.h>
#include <KoStyleStack.h>
#include <KoOasisStyles.h>
#include <KoOasisContext.h>
#include <KoPictureCollection.h>
#include "global.h"
class KPrDocument;
class QPainter;
class QPixmap;
class KPrGradientCollection;
class QDomDocument;
class QDomElement;
class KoTextZoomHandler;
class KPrPage;
class KoXmlWriter;
class KoGenStyles;
class KoGenStyle;
class KPrBackGround
{
public:
struct Settings
{
Settings( const BackType backType, const QColor backColor1, const QColor backColor2,
const BCType bcType, const bool unbalanced, const int xfactor, const int yfactor,
const KoPictureKey &key, const BackView backView )
: m_backType( backType )
, m_backColor1( backColor1 )
, m_backColor2( backColor2 )
, m_bcType( bcType )
, m_unbalanced( unbalanced )
, m_xfactor( xfactor )
, m_yfactor( yfactor )
, m_backPictureKey( key )
, m_backView( backView )
{}
BackType m_backType;
QColor m_backColor1;
QColor m_backColor2;
// Gradient setting
BCType m_bcType;
bool m_unbalanced;
// Gradient factors
int m_xfactor, m_yfactor;
KoPictureKey m_backPictureKey;
BackView m_backView;
};
KPrBackGround( KPrPage *_page );
~KPrBackGround() {}
void setBackType( BackType _backType )
{
backType = _backType;
if (backType==BT_PICTURE || backType==BT_CLIPART)
removeGradient();
}
void setBackView( BackView _backView )
{ backView = _backView; }
void setBackColor1( const QColor &_color )
{ removeGradient(); backColor1 = _color; }
void setBackColor2( const QColor &_color )
{ removeGradient(); backColor2 = _color; }
void setBackColorType( BCType _bcType )
{ removeGradient(); bcType = _bcType; }
void setBackUnbalanced( bool _unbalanced )
{ removeGradient(); unbalanced = _unbalanced; }
void setBackXFactor( int _xfactor )
{ removeGradient(); xfactor = _xfactor; }
void setBackYFactor( int _yfactor )
{ removeGradient(); yfactor = _yfactor; }
/// set the back picture to a new KoPicture
void setBackPicture( const KoPicture& picture );
void setBackPicture ( const KoPictureKey& key );
void setBackGround( const struct Settings &settings );
struct Settings getBackGround() const;
KoPicture picture() const { return backPicture;}
BackType getBackType() const
{ return backType; }
BackView getBackView() const
{ return backView; }
QColor getBackColor1() const
{ return backColor1; }
QColor getBackColor2() const
{ return backColor2; }
BCType getBackColorType() const
{ return bcType; }
KoPictureKey getBackPictureKey() const
{ return backPicture.getKey(); }
KoPicture getBackPicture() const
{ return backPicture;}
bool getBackUnbalanced() const
{ return unbalanced; }
int getBackXFactor() const
{ return xfactor; }
int getBackYFactor() const
{ return yfactor; }
// Draw the background.
// Uses the @p zoomHandler to determine the size of the background
void drawBackground( QPainter *_painter, const KoTextZoomHandler* zoomHandler,
const QRect& crect, bool _drawBorders );
// Draw the background. The size of the background is passed explicitly
void drawBackground( QPainter *_painter, const QSize& ext,
const QRect& crect, bool _drawBorders );
void reload();
QDomElement save( QDomDocument &doc );
void load( const QDomElement &element );
void loadOasis( KoOasisContext & context );
void saveOasisBackgroundPageStyle( KoGenStyle &stylepageauto, KoGenStyles &mainStyles );
protected:
void drawBackColor( QPainter *_painter, const QSize& ext, const QRect& crect );
void drawBackPix( QPainter *_painter, const QSize& ext, const QRect& crect );
void drawBorders( QPainter *_painter, const QSize& ext, const QRect& crect );
// The current gradient isn't valid anymore (e.g. size or settings changed) -> discard it
void removeGradient();
// Generate a new gradient pixmap, for the given size
void generateGradient( const QSize& size );
KoPictureCollection *pictureCollection() const;
KPrGradientCollection *gradientCollection() const;
QString saveOasisPictureStyle( KoGenStyles& mainStyles );
private:
BackType backType;
BackView backView;
QColor backColor1;
QColor backColor2;
BCType bcType;
// Background picture
KoPicture backPicture;
// Pixmap used to cache the drawing of the gradient, at the current size
const QPixmap *gradientPixmap;
// The page for which this background exists
KPrPage *m_page;
//int footerHeight;
// Gradient factors
int xfactor, yfactor;
// Gradient setting
bool unbalanced;
};
#endif