#include// Load an image from file QImage image("image.png"); // Check if the image was loaded properly if (image.isNull()) { qDebug() << "Failed to load image"; }
#includePackage library: Qt library.// Create a new image with width 400 and height 300 QImage image(400, 300, QImage::Format_RGB32); // Fill the image with red color image.fill(Qt::red);