symbian for Qt 设置背景图片

SetBackground.cpp：

 

 

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#include "SetBackground.h"

#include <QPalette>

#include <QDesktopWidget>

#include <QApplication>

SetBackground::SetBackground(QWidget *parent)

{

        setWindowTitle("Setbackground");

        SetBackgroundImage();

}

SetBackground::~SetBackground()

{

}

void SetBackground::SetBackgroundImage()

{

        //Using QPalette you can set background image as follows.

         QPalette p = palette();

         //Load image to QPixmap, Give full path of image

        QPixmap pixmap1("D:/QtSDK/pictrues-demo/localImage.png"); //For emulator C: is ../epoc32/winscw/c so image must be at that location

        //resize image if it is larger than screen size.

        QDesktopWidget* desktopWidget = QApplication::desktop();

        QRect rect = desktopWidget->availableGeometry();

        QSize size(rect.width() , rect.height());

        //resize as per your reqirement..

        QPixmap pixmap(pixmap1.scaled(size));

        p.setBrush(QPalette::Background,  pixmap);

        setPalette(p);

}

SetBackground.h：

#ifndef SETBACKGROUND_H
#define SETBACKGROUND_H
#include <QtGui/QMainWindow>
class SetBackground : public QMainWindow
{
    Q_OBJECT
public:
        SetBackground(QWidget *parent = 0);
    ~SetBackground();
    void SetBackgroundImage();
private:
};

main.cpp:


#include "SetBackground.h"
#include <QtGui>
#include <QApplication>
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    SetBackground w;
    w.showMaximized();
    return a.exec();
}