# applyAlphaMask method

Image applyAlphaMask(

1. Image image,
2. Image mask

)

Applies an alpha mask to suppress the background and returns a 32-bit BGRA image.

param image Source image to process. param mask Mask of segmented face. return The output image. throws FaceException An error has occurred during Face Library execution.

## Implementation

    Image applyAlphaMask(Image image, Image mask) {
      Image segmentedFace = Image();
      var err = faceSDK.id3FaceAnalyser_ApplyAlphaMask(_pHandle.value, image.handle, mask.handle, segmentedFace.handle);
      if (err != FaceError.success.value) {
        segmentedFace.dispose();
        throw FaceException(err);
      }
      return segmentedFace;
    }