Push Button with image?

I am trying to display an image on a Push button using the icon property.

Here is the compiled ui file:

Code:

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pushButton_3 = new QPushButton(tab);
        pushButton_3->setObjectName(QString::fromUtf8("pushButton_3"));
        pushButton_3->setGeometry(QRect(500, 30, 211, 131));
        QIcon icon2;
        icon2.addFile(QString::fromUtf8("resource/image.jpg"), QSize(), QIcon::Normal, QIcon::Off);
        pushButton_3->setIcon(icon2);
        pushButton_3->setIconSize(QSize(100, 100));

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The image is displayed inside Qt creator, but the compiled executable does not have the image in the button.

I have also tried creating a resource file and including images to the resource file.

Some help would be great!

Try with a png file and with an absolute file path. If it works then either you are missing an image plugin for jpeg in the environment where you run the application or the file you are trying to load can't be found or accessed.

THANK YOU!!

Using the complete path worked!

If you want to use the resource system, is it not that there is a ":/" missing? In my application I use resiurce files like this:
QFile qfi(":/texts/res/usageNotes.txt");
This works:

Code:

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QIcon icon;
    QPixmap qpm;
 
    if(qpm.load(":/img/myImage.jpg"))
    {
        icon.addPixmap(qpm);
        ui->pushButton->setIcon(icon);
    }
    else ui->label->setText("nincs betöltve");

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Otherwise I have the guess that the absolute path works because the executable file is not generated in the same directory as the code, so the executable file whilst working is trying to find the image on the relative path from itself, where is actually nothing, as there might be even no directory like that.

Simplest way to set image on the Push Button::
btn = (QPushButton *)ui->btn;
btn->setIconSize((QSize(56,68)));
QPixmap* pixmap1 = new QPixmap(":/images/orange.bmp");
QIcon icon1(*pixmap1);
btn->setIcon(icon1);

I think this might help you..

Code:

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btn = (QPushButton *)ui->btn;

---

Why this cast ? (which is an old C-style cast anyway).

Anyway its works fine. Finding the simplest way to use yet more powerful

ui->btn->setIconSize((QSize(56,68))); isn't work?

and in qt don't use old c-style cast. you have static_cast and object_cast

You shouldn't need any casts here. Be it implicit or explicit, C or C++ style.

btn = (QPushButton *)ui->btn;
btn->setIconSize((QSize(56,68)));

Quote:

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Originally Posted by Gokulnathvc

btn = (QPushButton *)ui->btn;
btn->setIconSize((QSize(56,68)));

---

But why the cast? Not that this is relevant to the subject (it was about a missing file) but since we're already here, let's solve this situation too.