Qtshowimage

2016年10月1日 — Create a QImage from a file: QImage img(C:/path/filename.jpg) ; · Do something with that image, like change the color of some pixels. · Create a ...

2017年6月26日 — There isn't a widget specifically made for displaying images, but this can be done with the label widget. We do this with the pixmap property.

2020年3月31日 — Platform: Windows 10 OpenCV: 4.2.0 Qt Creator: 4.11.0 void MainWindow::on_pushB.

The example shows how to combine QLabel and QScrollArea to display an image. QLabel is typically used for displaying text, but it can also display an image.

Viewing an image. This first experimenting into the realm of game programming based on QT is a simple image viewer. The result looks like the picture below.

2009年8月31日 — 7 Answers 7 · Add Label (a QLabel) to the dialog where you want to show the image. This QLabel will actually display the image. · Add the image to ...

The most common way to read images is through QImage and QPixmap's constructors, or by calling the QImage::load() and QPixmap::load() functions.

2017年8月15日 — I'm beginner in Qt and I couldn't display a picture using QPixmap and QLabel. The code I wrote is : QLabel *img = new QLabel(tab);