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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/image/qpicture.h
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Long live Qt!
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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