Long live Qt!

1 files changed, 196 insertions, 0 deletions

diff --git a/src/gui/image/qpicture.h b/src/gui/image/qpicture.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPICTURE_H
+#define QPICTURE_H
+
+#include <QtGui/qpaintdevice.h>
+#include <QtCore/qstringlist.h>
+
+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<QByteArray> inputFormats();
+    static QList<QByteArray> 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<QByteArray> inputFormats();
+    static QList<QByteArray> 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