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#ifndef INTERFACES_H

#define INTERFACES_H

#include <QtPlugin>

QT_BEGIN_NAMESPACE

class QImage;

class QPainter;

class QWidget;

class QPainterPath;

class QPoint;

class QRect;

class QString;

class QStringList;

QT_END_NAMESPACE

//! [0]

class BrushInterface

{

public:

    virtual ~BrushInterface() {}

    virtual QStringList brushes() const = 0;

    virtual QRect mousePress(const QString &brush, QPainter &painter,

                             const QPoint &pos) = 0;

    virtual QRect mouseMove(const QString &brush, QPainter &painter,

                            const QPoint &oldPos, const QPoint &newPos) = 0;

    virtual QRect mouseRelease(const QString &brush, QPainter &painter,

                               const QPoint &pos) = 0;

};

//! [0]

//! [1]

class ShapeInterface

{

public:

    virtual ~ShapeInterface() {}

    virtual QStringList shapes() const = 0;

    virtual QPainterPath generateShape(const QString &shape,

                                       QWidget *parent) = 0;

};

//! [1]

//! [2]

class FilterInterface

{

public:

    virtual ~FilterInterface() {}

    virtual QStringList filters() const = 0;

    virtual QImage filterImage(const QString &filter, const QImage &image,

                               QWidget *parent) = 0;

};

//! [2]

QT_BEGIN_NAMESPACE

//! [3] //! [4]

Q_DECLARE_INTERFACE(BrushInterface,

                    "com.trolltech.PlugAndPaint.BrushInterface/1.0")

//! [3]

Q_DECLARE_INTERFACE(ShapeInterface,

                    "com.trolltech.PlugAndPaint.ShapeInterface/1.0")

//! [5]

Q_DECLARE_INTERFACE(FilterInterface,

                    "com.trolltech.PlugAndPaint.FilterInterface/1.0")

//! [4] //! [5]

QT_END_NAMESPACE

#endif