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/***************************************************************************
* *
* This file is part of the Wordcloud project, *
* http://www.enricoros.com/opensource/wordcloud *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.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 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef __WordItem_h__
#define __WordItem_h__
#include <QAbstractGraphicsShapeItem>
#include <QDomElement>
#include "Bits.h"
namespace Wordcloud {
/// \brief A word, displayable and containing path information
class WordItem : public QObject, public QAbstractGraphicsShapeItem
{
Q_OBJECT
public:
WordItem(const Word & word, const QFont & font, double rotation,
int minCount, int maxCount, QGraphicsItem * parent = 0);
WordItem(QDomElement & wordElement, QGraphicsItem * parent = 0);
void saveToXml(QDomElement & wordElement) const;
QRectF tmpPlacedRect;
// get the word path
inline QPainterPath path() const { return m_path; }
QPainterPath strokedPath() const;
// ::QGraphicsItem
inline QRectF boundingRect() const { return m_boudingRect; }
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
Q_SIGNALS:
void moved();
private:
WordItem();
void regeneratePath();
QFont m_font;
qreal m_rotation;
QString m_string;
QPainterPath m_path;
QRectF m_boudingRect;
};
/// convenience alias
typedef QList<WordItem *> WordItemList;
/// how to place the words
enum Placement {
Horizontal = 0, Vertical = 1, MostlyHorizontal = 2,
MostlyVertical = 3, RandomRotation = 4, RandomPosition = 5,
Placement_COUNT = 6
};
/// how to update screen while processing
enum BusyMode {
Block, ShowPlacement, ShowProgress
};
}
#endif
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