def axial_gradient(self, properties, rect): pattern = properties.fill_pattern vx, vy = pattern.Direction() angle = atan2(vy, vx) - pi / 2 center = rect.center() rot = Rotation(angle, center) left, bottom, right, top = rot(rect) trafo = rot(Translation(center)) image = PIL.Image.new('RGB', (1, 200)) border = int(round(100 * pattern.Border())) _sketch.fill_axial_gradient(image.im, pattern.Gradient().Colors(), 0, border, 0, 200 - border) self.pdf.saveState() apply(self.pdf.transform, trafo.coeff()) self.pdf.drawInlineImage(image, (left - right) / 2, (bottom - top) / 2, right - left, top - bottom) self.pdf.restoreState()