[flutter] widget mask - 이미지 마스킹

사용하기 전에 dependencies에 추가해주자

widget_mask: ^0.1.1

WidgetMask(
	blendMode: BlendMode.difference,
	mask: Center(
		child: Text(
			'I U',
			style: TextStyle(
				fontSize: 50,
				color: Colors.white,
			),
		),
	),
	child: Image.asset('assets/images/background.jpg'),
)

WidgetMask(
	blendMode: BlendMode.srcATop,
	childSaveLayer: true,
	mask: Image.network('https://www.newsinside.kr/news/photo/202110/1119485_797392_2214.jpg'),
	child: Center(child: Image.asset('assets/images/mask.png')),
),