setBackgroundImage method
设置图片背景
Implementation
void setBackgroundImage(DecorationImage? image,
{double? opacity, BoxFit? fit}) {
if (image == null) return;
_image = DecorationImage(
image: image.image,
opacity: opacity ?? 0.3,
fit: fit ?? BoxFit.fill,
onError: image.onError,
colorFilter: image.colorFilter,
alignment: image.alignment,
centerSlice: image.centerSlice,
repeat: image.repeat,
matchTextDirection: image.matchTextDirection,
scale: image.scale,
filterQuality: image.filterQuality,
invertColors: image.invertColors,
isAntiAlias: image.isAntiAlias,
);
}