Modulator.py 文件源码

def data_scene(self) -> QGraphicsScene:
        ones = np.ones(self.samples_per_bit, dtype=np.float32) * 1
        zeros = np.ones(self.samples_per_bit, dtype=np.float32) * -1
        n = self.samples_per_bit * len(self.display_bits)
        y = []
        for bit in self.display_bits:
            if bit == "0":
                y.extend(zeros)
            elif bit == "1":
                y.extend(ones)
        x = np.arange(0, n).astype(np.int64)
        scene = ZoomableScene()
        scene.setSceneRect(0, -1, n, 2)
        scene.setBackgroundBrush(constants.BGCOLOR)
        scene.addLine(0, 0, n, 0, QPen(constants.AXISCOLOR, Qt.FlatCap))
        y = np.array(y) if len(y) > 0 else np.array(y).astype(np.float32)
        path = path_creator.array_to_QPath(x, y)
        scene.addPath(path, QPen(constants.LINECOLOR, Qt.FlatCap))
        return scene