qmovie.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 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.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
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- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
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- ****************************************************************************/
- #ifndef QMOVIE_H
- #define QMOVIE_H
- #include <QtCore/qobject.h>
- #ifndef QT_NO_MOVIE
- #include <QtCore/qbytearray.h>
- #include <QtCore/qlist.h>
- #include <QtCore/qobject.h>
- #include <QtGui/qimagereader.h>
- #ifdef QT3_SUPPORT
- #include <QtGui/qimage.h>
- #include <QtGui/qpixmap.h>
- #endif
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- class QByteArray;
- class QColor;
- class QIODevice;
- class QImage;
- class QPixmap;
- class QRect;
- class QSize;
- class QMoviePrivate;
- class Q_GUI_EXPORT QMovie : public QObject
- {
- Q_OBJECT
- Q_DECLARE_PRIVATE(QMovie)
- Q_ENUMS(MovieState CacheMode)
- Q_PROPERTY(int speed READ speed WRITE setSpeed)
- Q_PROPERTY(CacheMode cacheMode READ cacheMode WRITE setCacheMode)
- public:
- enum MovieState {
- NotRunning,
- Paused,
- Running
- };
- enum CacheMode {
- CacheNone,
- CacheAll
- };
- QMovie(QObject *parent = 0);
- explicit QMovie(QIODevice *device, const QByteArray &format = QByteArray(), QObject *parent = 0);
- explicit QMovie(const QString &fileName, const QByteArray &format = QByteArray(), QObject *parent = 0);
- ~QMovie();
- static QList<QByteArray> supportedFormats();
- void setDevice(QIODevice *device);
- QIODevice *device() const;
- void setFileName(const QString &fileName);
- QString fileName() const;
- void setFormat(const QByteArray &format);
- QByteArray format() const;
- void setBackgroundColor(const QColor &color);
- QColor backgroundColor() const;
- MovieState state() const;
- QRect frameRect() const;
- QImage currentImage() const;
- QPixmap currentPixmap() const;
- bool isValid() const;
- bool jumpToFrame(int frameNumber);
- int loopCount() const;
- int frameCount() const;
- int nextFrameDelay() const;
- int currentFrameNumber() const;
- int speed() const;
- QSize scaledSize();
- void setScaledSize(const QSize &size);
- CacheMode cacheMode() const;
- void setCacheMode(CacheMode mode);
- CacheMode cacheMode(); // ### Qt 5: remove me
- Q_SIGNALS:
- void started();
- void resized(const QSize &size);
- void updated(const QRect &rect);
- void stateChanged(QMovie::MovieState state);
- void error(QImageReader::ImageReaderError error);
- void finished();
- void frameChanged(int frameNumber);
- public Q_SLOTS:
- void start();
- bool jumpToNextFrame();
- void setPaused(bool paused);
- void stop();
- void setSpeed(int percentSpeed);
- private:
- Q_DISABLE_COPY(QMovie)
- Q_PRIVATE_SLOT(d_func(), void _q_loadNextFrame())
- #ifdef QT3_SUPPORT
- public:
- inline QT3_SUPPORT bool isNull() const { return isValid(); }
- inline QT3_SUPPORT int frameNumber() const { return currentFrameNumber(); }
- inline QT3_SUPPORT bool running() const { return state() == Running; }
- inline QT3_SUPPORT bool paused() const { return state() == Paused; }
- inline QT3_SUPPORT bool finished() const { return state() == NotRunning; }
- inline QT3_SUPPORT void restart() { stop(); start(); }
- inline QT3_SUPPORT QImage frameImage() const { return currentImage(); }
- inline QT3_SUPPORT QPixmap framePixmap() const { return currentPixmap(); }
- inline QT3_SUPPORT void step() { jumpToNextFrame(); }
- inline QT3_SUPPORT void pause() { setPaused(true); }
- inline QT3_SUPPORT void unpause() { setPaused(false); }
- #endif
- };
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QT_NO_MOVIE
- #endif // QMOVIE_H