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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: qt-info@nokia.com
**
** This software, including documentation, is protected by copyright
** controlled by Nokia Corporation. You may use this software in
** accordance with the terms and conditions contained in the Qt Phone
** Demo License Agreement.
**
****************************************************************************/
#ifndef FORECASTSNOW_H
#define FORECASTSNOW_H
#include <QObject>
#include <QGraphicsItem>
#include <QBasicTimer>
#include <QTime>
class ForecastSnow : public QObject
{
Q_OBJECT
public:
ForecastSnow(int count, const QRectF &bounds, QGraphicsItem *parent);
static int loadImages();
void paint(QPainter *painter);
public slots:
void start();
void stop();
void show() { m_visible = true; }
void hide() { m_visible = false; }
protected:
void timerEvent(QTimerEvent *event);
private:
class SnowFlake
{
public:
SnowFlake(int type, const QSizeF &bounds);
void timerEvent(int interval_ms);
qreal width() const { return m_pixmap.width(); }
qreal height() const { return m_pixmap.height(); }
void setPos(qreal x, qreal y) { m_pos = QPointF(x, y); }
void setWaitingTime(int value) { m_waitingTime = value; }
bool isVisible() const { return !m_pixmap.isNull(); }
inline void paint(QPainter *painter);
private:
QPixmap m_pixmap;
const QSizeF m_bounds;
QPointF m_speed;
QPointF m_pos;
int m_waitingTime;
};
const QRectF m_bounds;
QGraphicsItem *m_parent;
QList<SnowFlake*> m_flakes;
QBasicTimer m_ticker;
QTime m_lastTick;
qreal m_visible;
void updateFLakesPositions();
};
#endif // FORECASTSNOW_H
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