plasma-framework/private/pulsershadow.cpp

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/*********************************************************************/
/* */
/* Copyright(C)2009 Adenilson Cavalcanti adenilson.silva@idnt.org.br */
/* */
/* This program is free software; you can redistribute it and/or */
/* modify it under the terms of the GNU General Public License */
/* as published by the Free Software Foundation; either version 2 */
/* of the License, or (at your option) any later version. */
/* */
/* This program 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 General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License */
/* along with this program; if not, write to the Free Software */
/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA */
/* 02110-1301, USA. */
/*********************************************************************/
#include "pulsershadow_p.h"
#include <QPainter>
#include <QImage>
#include <QPixmap>
#include <QStyleOptionGraphicsItem>
namespace Plasma
{
ShadowFake::ShadowFake(QGraphicsItem *parent): QGraphicsWidget(parent),
photo(0)
{ }
ShadowFake::~ShadowFake()
{
delete photo;
}
void ShadowFake::copyTarget(QGraphicsWidget *target)
{
setParentItem(target);
resize(target->size());
setTransformOriginPoint(geometry().center());
QSize size(target->size().toSize());
if (photo)
delete photo;
photo = new QPixmap(size);
photo->fill(Qt::transparent);
QPainter painter(photo);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.fillRect(target->rect(), Qt::transparent);
/* Does it need any special initialization for KDE? */
QStyleOptionGraphicsItem style;
target->paint(&painter, &style, 0);
painter.end();
}
void ShadowFake::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget)
{
Q_UNUSED(widget);
Q_UNUSED(option);
painter->setRenderHint(QPainter::Antialiasing);
painter->drawPixmap(0, 0, *photo);
}
}