/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QPICTURE_H #define QPICTURE_H #include #include QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Gui) #ifndef QT_NO_PICTURE class QPicturePrivate; class Q_GUI_EXPORT QPicture : public QPaintDevice { Q_DECLARE_PRIVATE(QPicture) public: explicit QPicture(int formatVersion = -1); QPicture(const QPicture &); ~QPicture(); bool isNull() const; int devType() const; uint size() const; const char* data() const; virtual void setData(const char* data, uint size); bool play(QPainter *p); bool load(QIODevice *dev, const char *format = 0); bool load(const QString &fileName, const char *format = 0); bool save(QIODevice *dev, const char *format = 0); bool save(const QString &fileName, const char *format = 0); QRect boundingRect() const; void setBoundingRect(const QRect &r); QPicture& operator=(const QPicture &p); void detach(); bool isDetached() const; friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &in, const QPicture &p); friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QPicture &p); static const char* pictureFormat(const QString &fileName); static QList inputFormats(); static QList outputFormats(); static QStringList inputFormatList(); static QStringList outputFormatList(); QPaintEngine *paintEngine() const; protected: QPicture(QPicturePrivate &data); int metric(PaintDeviceMetric m) const; #ifdef QT3_SUPPORT inline QT3_SUPPORT QPicture copy() const { QPicture p(*this); p.detach(); return p; } #endif private: bool exec(QPainter *p, QDataStream &ds, int i); void detach_helper(); QPicturePrivate *d_ptr; friend class QPicturePaintEngine; friend class Q3Picture; friend class QAlphaPaintEngine; friend class QPreviewPaintEngine; public: typedef QPicturePrivate* DataPtr; inline DataPtr &data_ptr() { return d_ptr; } }; Q_DECLARE_SHARED(QPicture) #ifndef QT_NO_PICTUREIO class QIODevice; class QPictureIO; typedef void (*picture_io_handler)(QPictureIO *); // picture IO handler struct QPictureIOData; class Q_GUI_EXPORT QPictureIO { public: QPictureIO(); QPictureIO(QIODevice *ioDevice, const char *format); QPictureIO(const QString &fileName, const char *format); ~QPictureIO(); const QPicture &picture() const; int status() const; const char *format() const; QIODevice *ioDevice() const; QString fileName() const; int quality() const; QString description() const; const char *parameters() const; float gamma() const; void setPicture(const QPicture &); void setStatus(int); void setFormat(const char *); void setIODevice(QIODevice *); void setFileName(const QString &); void setQuality(int); void setDescription(const QString &); void setParameters(const char *); void setGamma(float); bool read(); bool write(); static QByteArray pictureFormat(const QString &fileName); static QByteArray pictureFormat(QIODevice *); static QList inputFormats(); static QList outputFormats(); static void defineIOHandler(const char *format, const char *header, const char *flags, picture_io_handler read_picture, picture_io_handler write_picture); private: Q_DISABLE_COPY(QPictureIO) void init(); QPictureIOData *d; }; #endif //QT_NO_PICTUREIO /***************************************************************************** QPicture stream functions *****************************************************************************/ Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QPicture &); Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QPicture &); #endif // QT_NO_PICTURE QT_END_NAMESPACE QT_END_HEADER #endif // QPICTURE_H