// Create a new RenderBox object QPixmap pixmap("image.png"); RenderBox* renderBox = new RenderBox(this); renderBox->setPixmap(pixmap); // Set the size and position of the RenderBox renderBox->setGeometry(0, 0, 100, 100);
// Create a new RenderBox object QPixmap pixmap("image.png"); RenderBox* renderBox = new RenderBox(this); renderBox->setPixmap(pixmap); // Scale the RenderBox by a factor of 2 renderBox->setFixedSize(pixmap.width()*2, pixmap.height()*2);This code creates a new RenderBox object and sets the pixmap property to an image file "image.png". The setFixedSize() function is then used to set the size of the RenderBox to twice the size of the image, effectively scaling the graphic that is rendered inside of it. Package library: Qt Library for C++.