loadTiffImage function

Future<MemoryImage> loadTiffImage(String path)

Implementation

Future<MemoryImage> loadTiffImage(String path) async {
  try {
    // Load the TIFF file as a byte array
    final ByteData data = await rootBundle.load(path);
    final Uint8List bytes = data.buffer.asUint8List();

    // Debugging output
    print('Loaded TIFF image with length: ${bytes.length} bytes');

    // Verify that the length of the bytes is reasonable
    if (bytes.isEmpty) {
      throw Exception('The TIFF image is empty or could not be loaded.');
    }

    // Decode the TIFF image using the image package
    final img.Image? decodedImage = img.decodeTiff(bytes);

    // Check if the image was decoded successfully
    if (decodedImage != null) {
      // Convert the decoded image to a PNG for display in Flutter
      final List<int> pngBytes = img.encodePng(decodedImage);
      return MemoryImage(Uint8List.fromList(pngBytes));
    } else {
      throw Exception('Failed to decode TIFF image');
    }
  } catch (e) {
    print('Error loading TIFF image: $e');
    // Fallback to a placeholder image or handle error as needed
    return MemoryImage(
        Uint8List.fromList([])); // Return an empty image as fallback
  }
}