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#ifndef QICON_P_H

#define QICON_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtGui/private/qtguiglobal_p.h>

#include <QtCore/qsize.h>

#include <QtCore/qlist.h>

#include <QtGui/qpixmap.h>

#include <QtGui/qicon.h>

#include <QtGui/qiconengine.h>

#ifndef QT_NO_ICON

QT_BEGIN_NAMESPACE

class QIconPrivate

{

public:

    explicit QIconPrivate(QIconEngine *e);

    ~QIconPrivate() {

        delete engine;

    }

    qreal pixmapDevicePixelRatio(qreal displayDevicePixelRatio, const QSize &requestedSize, const QSize &actualSize);

    QIconEngine *engine;

    QAtomicInt ref;

    int serialNum;

    int detach_no;

    bool is_mask;

};

struct QPixmapIconEngineEntry

{

    QPixmapIconEngineEntry():mode(QIcon::Normal), state(QIcon::Off){}

    QPixmapIconEngineEntry(const QPixmap &pm, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off)

        :pixmap(pm), size(pm.size()), mode(m), state(s){}

    QPixmapIconEngineEntry(const QString &file, const QSize &sz = QSize(), QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off)

        :fileName(file), size(sz), mode(m), state(s){}

    QPixmapIconEngineEntry(const QString &file, const QImage &image, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off);

    QPixmap pixmap;

    QString fileName;

    QSize size;

    QIcon::Mode mode;

    QIcon::State state;

    bool isNull() const {return (fileName.isEmpty() && pixmap.isNull()); }

};

Q_DECLARE_TYPEINFO(QPixmapIconEngineEntry, Q_MOVABLE_TYPE);

inline QPixmapIconEngineEntry::QPixmapIconEngineEntry(const QString &file, const QImage &image, QIcon::Mode m, QIcon::State s)

    : fileName(file), size(image.size()), mode(m), state(s)

{

    pixmap.convertFromImage(image);

    // Reset the devicePixelRatio. The pixmap may be loaded from a @2x file,

    // but be used as a 1x pixmap by QIcon.

    pixmap.setDevicePixelRatio(1.0);

}

class Q_GUI_EXPORT QPixmapIconEngine : public QIconEngine {

public:

    QPixmapIconEngine();

    QPixmapIconEngine(const QPixmapIconEngine &);

    ~QPixmapIconEngine();

    void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) override;

    QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state) override;

    QPixmapIconEngineEntry *bestMatch(const QSize &size, QIcon::Mode mode, QIcon::State state, bool sizeOnly);

    QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state) override;

    void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state) override;

    void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state) override;

    QString key() const override;

    QIconEngine *clone() const override;

    bool read(QDataStream &in) override;

    bool write(QDataStream &out) const override;

    void virtual_hook(int id, void *data) override;

private:

    QPixmapIconEngineEntry *tryMatch(const QSize &size, QIcon::Mode mode, QIcon::State state);

    QVector<QPixmapIconEngineEntry> pixmaps;

    friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &s, const QIcon &icon);

    friend class QIconThemeEngine;

};

QT_END_NAMESPACE

#endif //QT_NO_ICON

#endif // QICON_P_H