Linear Gradient
#include <QtGui> int main(int argv, char **args) { QApplication app(argv, args); QLinearGradient linearGrad(QPointF(100, 100), QPointF(200, 200)); linearGrad.setColorAt(0, Qt::black); linearGrad.setColorAt(1, Qt::white); QBrush brush(linearGrad); QWidget widget; QPalette palette; palette.setBrush(widget.backgroundRole(), brush); widget.setPalette(palette); widget.show(); return app.exec(); }