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    41 

    42 #ifndef QPICTUREFORMATPLUGIN_H

    43 #define QPICTUREFORMATPLUGIN_H

    44 

    45 #include <QtCore/qplugin.h>

    46 #include <QtCore/qfactoryinterface.h>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Gui)

    53 

    54 #if !defined(QT_NO_LIBRARY) && !defined(QT_NO_PICTURE)

    55 

    56 class QPicture;

    57 class QImage;

    58 class QString;

    59 class QStringList;

    60 

    61 struct Q_GUI_EXPORT QPictureFormatInterface : public QFactoryInterface

    62 {

    63     virtual bool loadPicture(const QString &format, const QString &filename, QPicture *) = 0;

    64     virtual bool savePicture(const QString &format, const QString &filename, const QPicture &) = 0;

    65 

    66     virtual bool installIOHandler(const QString &) = 0;

    67 };

    68 

    69 #define QPictureFormatInterface_iid "com.trolltech.Qt.QPictureFormatInterface"

    70 Q_DECLARE_INTERFACE(QPictureFormatInterface, QPictureFormatInterface_iid)

    71 

    72 

    73 class Q_GUI_EXPORT QPictureFormatPlugin : public QObject, public QPictureFormatInterface

    74 {

    75     Q_OBJECT

    76     Q_INTERFACES(QPictureFormatInterface:QFactoryInterface)

    77 public:

    78     explicit QPictureFormatPlugin(QObject *parent = 0);

    79     ~QPictureFormatPlugin();

    80 

    81     virtual QStringList keys() const = 0;

    82     virtual bool loadPicture(const QString &format, const QString &filename, QPicture *pic);

    83     virtual bool savePicture(const QString &format, const QString &filename, const QPicture &pic);

    84     virtual bool installIOHandler(const QString &format) = 0;

    85 

    86 };

    87 

    88 #endif // QT_NO_LIBRARY || QT_NO_PICTURE

    89 

    90 QT_END_NAMESPACE

    91 

    92 QT_END_HEADER

    93 

    94 #endif // QPICTUREFORMATPLUGIN_H