Пример #1
0
 def setImageMove(self, scale, pos, angle):
     log_debug("New scale = %s" % (scale,))
     self.scale = scale
     self.min_scale = self.data_manager.minScale()
     self.img_scale = (scale[0]/self.min_scale, scale[1]/self.min_scale)
     back_matrix = QTransform()
     back_matrix.scale(*self.img_scale)
     back_matrix.translate(pos.x(), pos.y())
     back_matrix.rotate(angle)
     self.back_matrix = back_matrix
     rect = back_matrix.mapRect(QRectF(self.background_image.rect()))
     inv, ok = back_matrix.inverted()
     if not ok:
         raise ValueError("The movement is not invertible !?!")
     self.invert_back_matrix = inv
     self.real_scene_rect = rect