how can i make an image extraction from pdf file in flutter mobile app

(knowing that the file can contains text and images )

Future<void> _sendMediaMessage() async {
    String Extraction_text = "";
    FilePickerResult? pickedFile = await FilePicker.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: ['pdf'],
    );

    if (pickedFile != null) {
      file = File(pickedFile.files.single.path!);

      try {
        Uint8List fileBytes = await _readDocumentData(file!.path);

        PdfDocument document = PdfDocument(inputBytes: fileBytes);

        PdfTextExtractor extractor = PdfTextExtractor(document);

        Extraction_text = extractor.extractText();

        // _showResult(Extraction_text);
      } catch (e) {
        _showErrorDialog('Error', 'Failed to load the PDF document.');
      }
    } else {
      _showErrorDialog(
          'No File Selected', 'Please select a PDF file to upload.');
    }

    //add the text to the firebase
    if (Extraction_text != "")
      fileService.addFileText(FileTextModel(text: Extraction_text));


//here i want to make image extraction

//

    if (file != null) {
      ChatMessage chatMessage = ChatMessage(
        user: currentUser,
        createdAt: DateTime.now(),
        text: "Explain this text for men" + Extraction_text,
        // medias: [
        //   ChatMedia(url: //here, fileName: "", type: MediaType.image)
        // ]
//and all the images extracted from the pdf file should be used here in the url above
      );
      _sendMessage(chatMessage);
    }
  }

i want to know how to make images extraction from pdf

(knowing that the file can contains text and images )

i find how to make text extraction and now i want the same for the images

and I’m looking for answer