/*
 * Copyright 2008 Arthur Renato Mello <arthur@mandriva.com>
 * Copyright 2008 Gustavo Pichorim Boiko <boiko@mandriva.com>
 *
 * 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 3 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 St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <QPainter>

#include "animateditem.h"

AnimatedItem::AnimatedItem(const QPoint &p_pos, const QPixmap &p_pixmap, QWidget *parent)
:QWidget(parent), m_timeLine(1000)
{
	m_alpha = 0.0;
	m_pixmap = p_pixmap;
	
	resize(m_pixmap.size());
	move(p_pos);

	connect(&m_timeLine, SIGNAL(valueChanged(qreal)),
			this, SLOT(slotAnimate(qreal)));
}

AnimatedItem::~AnimatedItem()
{
}

void AnimatedItem::paintEvent(QPaintEvent *e)
{
	QPainter p;

	QPixmap pix(m_pixmap.size());
	pix.fill(Qt::transparent);

	p.begin(&pix);
	p.drawPixmap(QPoint(0,0), m_pixmap);
	p.setCompositionMode(QPainter::CompositionMode_DestinationIn);

	QColor c(0, 0, 0, m_alpha * 254);
	p.fillRect(rect(), c);
	p.end();

	p.begin(this);
	p.drawPixmap(QPoint(0,0), pix);
	p.end();
}

void AnimatedItem::slotAnimate(qreal value)
{
	m_alpha = value;
	update();
}

void AnimatedItem::startAnimation()
{
	m_timeLine.start();
}