QImage image("example.jpg"); QPixmap pixmap = QPixmap::fromImage(image);
QByteArray imageData = // some image data QImage image = QImage::fromData(imageData); QPixmap pixmap = QPixmap::fromImage(image);This example takes an image in binary format (e.g., from a network transfer) and first converts it to a QImage instance using QImage::fromData(). Then it generates a pixmap from the image using QPixmap::fromImage(). Package library: Qt5Core, Qt5Gui.