On Monday 03 September 2007, Jeff Donner wrote: > Hi, > > I just wanted to save someone else some time - in Qt's C++ gradient > demo, they set a QPainter directly with one of their gradients (as the > docs show as permitted), but that doesn't seem to work in PyQt: > > g = QtGui.QRadialGradient(midpoint.x, midpoint.y, > self.blob_radius) > > opaque = QtGui.QColor(value, 0.0, 0.0, 1.0) > transparent = QtGui.QColor(value, 0.0, 0.0, 0.0) > > g.setColorAt(0.0, opaque) > g.setColorAt(1.0, transparent) > > g.setSpread(QtGui.QGradient.PadSpread) > > # b = QtGui.QBrush(g) > > painter.setBrush(g) > > > Produces the error: > > painter.setBrush(g) > TypeError: argument 1 of QPainter.setBrush() has an invalid type > > > instead, do an extra step of making a brush with the gradient > > b = QtGui.QBrush(g) > > and then set the brush. > > painter.setBrush(b) > > I hope this saves someone time.
This should work with PyQt v4.2 and later. If that's what you are using then send me a simple script that demonstrates the problem. Phil _______________________________________________ PyQt mailing list [email protected] http://www.riverbankcomputing.com/mailman/listinfo/pyqt
