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koffice/kpresenter/KPrEllipseObject.cpp

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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) 2005 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.
*/
#include "KPrObject2DIface.h"
#include "KPrEllipseObject.h"
#include "KPrGradient.h"
#include <kdebug.h>
#include <qbitmap.h>
#include <qregion.h>
#include <qdom.h>
#include <qpicture.h>
#include <qpainter.h>
#include <KoTextZoomHandler.h>
#include <KoOasisContext.h>
using namespace std;
KPrEllipseObject::KPrEllipseObject()
: KPr2DObject()
{
}
KPrEllipseObject::KPrEllipseObject( const KoPen &_pen, const QBrush &_brush, FillType _fillType,
const QColor &_gColor1, const QColor &_gColor2, BCType _gType,
bool _unbalanced, int _xfactor, int _yfactor)
: KPr2DObject( _pen, _brush, _fillType, _gColor1, _gColor2, _gType, _unbalanced, _xfactor, _yfactor )
{
}
KPrEllipseObject &KPrEllipseObject::operator=( const KPrEllipseObject & )
{
return *this;
}
DCOPObject* KPrEllipseObject::dcopObject()
{
if ( !dcop )
dcop = new KPrObject2DIface( this );
return dcop;
}
void KPrEllipseObject::paint( QPainter* _painter, KoTextZoomHandler *_zoomHandler,
int /* pageNum */, bool drawingShadow, bool drawContour )
{
int ow = _zoomHandler->zoomItX( ext.width() );
int oh = _zoomHandler->zoomItY( ext.height() );
QSize size( _zoomHandler->zoomSize( ext ) );
if ( drawContour ) {
QPen pen3( Qt::black, 1, Qt::DotLine );
_painter->setPen( pen3 );
_painter->setRasterOp( Qt::NotXorROP );
_painter->drawEllipse( 0, 0, ow, oh );
return;
}
QPen pen2 = pen.zoomedPen( _zoomHandler );
int pw = ( pen2.style() == Qt::NoPen ) ? 1 : pen2.width();
_painter->setPen( pen2 );
if ( drawingShadow || getFillType() == FT_BRUSH || !gradient )
_painter->setBrush( getBrush() );
else {
if ( m_redrawGradientPix || gradient->size() != size ) {
m_redrawGradientPix = false;
gradient->setSize( size );
QRegion clipregion( 0, 0, ow - pw + 1, oh - pw + 1, QRegion::Ellipse );
m_gradientPix.resize ( ow, oh );
m_gradientPix.fill( Qt::white );
QPainter p;
p.begin( &m_gradientPix );
p.setClipRegion( clipregion );
p.drawPixmap( 0, 0, gradient->pixmap() );
p.end();
m_gradientPix.setMask( m_gradientPix.createHeuristicMask() );
}
_painter->drawPixmap( pw / 2, pw / 2, m_gradientPix, 0, 0, ow - pw + 1, oh - pw + 1 );
_painter->setBrush( Qt::NoBrush );
}
_painter->drawEllipse( pw / 2, pw / 2, ow - pw + 1, oh - pw + 1 );
}
KoSize KPrEllipseObject::getRealSize() const {
KoSize size = ext;
if ( angle != 0.0 ) {
float angInRad = angle * M_PI / 180;
size.setWidth( sqrt( pow ( ext.width() * cos( angInRad ), 2) +
pow ( ext.height() * sin( angInRad ) ,2 ) ) );
size.setHeight( sqrt( pow ( ext.width() * sin( angInRad ), 2) +
pow ( ext.height() * cos( angInRad ) ,2 ) ) );
}
return size;
}
bool KPrEllipseObject::saveOasisObjectAttributes( KPOasisSaveContext &/*sc*/ ) const
{
// nothing to do
return true;
}
const char * KPrEllipseObject::getOasisElementName() const
{
return ext.width() == ext.height() ? "draw:circle" : "draw:ellipse";
}