overlap method

Future<Image> overlap(
  1. Image other
)

Do merge image. Overlaying the images

Implementation

Future<Image> overlap(Image other) {
  PictureRecorder recorder = PictureRecorder();
  final paint = Paint();
  Canvas canvas = Canvas(recorder);
  final totalWidth = max(width, other.width);
  final totalHeight = max(height, other.height);
  canvas.drawImage(this, Offset.zero, paint);
  canvas.drawImage(other, Offset.zero, paint);
  return recorder.endRecording().toImage(totalWidth, totalHeight);
}