image_utils.py 文件源码

def transform(self, img, offset=0):
        if offset == 0:
            return self.warp(img, self.M)
        else:
            src = self.src.copy()
            src[:, 0] = src[:, 0] + offset

            dst = self.dst.copy()
            dst[:, 0] = dst[:, 0] + offset

            M_inv = cv2.getPerspectiveTransform(src, dst)
            return self.warp(img, M_inv)