Method embed_mark

StegaPy/StegaPy.py:126–144

将数字水印（签名）嵌入至载体图像中。

(self, sig: bytes, sig_filename: Optional[str],
                   cover: Optional[bytes], cover_filename: Optional[str],
                   stego_filename: Optional[str])

            raise StegaPyException(str(e), StegaPyErrors.UNHANDLED_EXCEPTION, self.NAMESPACE)
    
    def embed_mark(self, sig: bytes, sig_filename: Optional[str],
                   cover: Optional[bytes], cover_filename: Optional[str],
                   stego_filename: Optional[str]) -> bytes:
        """将数字水印（签名）嵌入至载体图像中。"""
        if Purpose.WATERMARKING not in self.plugin.get_purposes():
            raise StegaPyException(
                "插件不支持水印",
                StegaPyErrors.PLUGIN_DOES_NOT_SUPPORT_WM,
                self.NAMESPACE
            )
        
        try:
            # 水印不使用压缩和加密
            return self.plugin.embed_data(sig, sig_filename, cover,
                                         cover_filename, stego_filename)
        except StegaPyException:
            raise
        except Exception as e:
            raise StegaPyException(str(e), StegaPyErrors.UNHANDLED_EXCEPTION, self.NAMESPACE)
    
    def check_mark(self, stego_data: bytes, stego_filename: Optional[str],
                   orig_sig_data: bytes) -> float: