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c++imageqt4qlabelpixmap

How to save the image in a resized QLabel?

I have a QLabel that is loaded with a pixmap. I have it set so that when the window/QLlabel is resized, the image of the qlabel resizes as well. However, when I try to save the image and retrieve the pixmap, it is the original loaded. How would I go about retrieving the newly resized image from the QLabel and retrieving it as a QImage?

Solution

  • On the resize event of your label, Use

    Label->setPixmap(QPixmap::fromImage(YourImage).scaled(ui->Label->size(), Qt::IgnoreAspectRatio));

    For getting image as size of image use

    Label->pixmap().toImage();

    if this image is still not the same size as of label, Try

    Label->pixmap().toImage().scaled(Label->size(), Qt::IgnoreAspectRatio));