How to use QMovie in Qt

Article Metadata

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Tested with

Devices(s): Qt Creator IDE V4.5 & S60 5th edition

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Compatibility

Platform(s): Qt

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Article

Keywords: QMovie,QSlider,QPushButton

Created: mind_freak (18 Mar 2009)

Last edited: hamishwillee (11 Oct 2012)

Overview

This is generally used to play any kind of animated images.QMovie

When you press play the animation starts playing,when slider value is increase the animation speed get faster.

Preconditions

• Download Qt Creator IDE: http://qt.nokia.com/downloads

Comptability

• Can be executed on Qt Creator V4.5 IDE as well as Symbian platform

Various Functions

• Sets the name of the file that QMovie reads image data from

movie->setFileName(QString str);

• Sets the format that QMovie will use when decoding image data

movie->setFormat(const QByteArray & format);

• Sets the scaled frame size to size.

QMovie *movie = new QMovie("c:\\data\\images\\canadagoose.gif");
QSize size(200,200);
movie->setScaledSize(size);

Source Code

#include <QtGui/QApplication>
#include "widget.h"
#include<QWidget>
#include<QHBoxLayout>
#include<QLabel>
#include<QMovie>
#include<QPushButton>
#include<QSlider>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QWidget *win=new QWidget();
    QHBoxLayout *lay=new QHBoxLayout();
    QPushButton *play=new QPushButton("PLAY");
    QPushButton *stop=new QPushButton("STOP");
    QSlider *slider=new QSlider();
    slider->setMinimum(0);
    slider->setMaximum(200);
    QLabel *label=new QLabel;
    QMovie *movie = new QMovie("C://Documents and Settings//Viral//My Documents//Qerrormsg//Movie//canadagoose.gif");
    label->setMovie(movie);
     QObject::connect(play,SIGNAL(clicked()),movie,SLOT(start()));
     QObject::connect(stop,SIGNAL(clicked()),movie,SLOT(stop()));
     QObject::connect(slider,SIGNAL(valueChanged(int)),movie,SLOT(setSpeed(int)));
     lay->addWidget(label);
     lay->addWidget(play);
     lay->addWidget(stop);
     lay->addWidget(slider);
     win->setLayout(lay);
    win->show();
    return a.exec();
}

Screenshot

More About QMovie visit:QMovie

More About QMovie visit:QMovie