fromDynamic static method
Builds the builder from a Map-like dynamic structure. This expects the JSON format to be of the following structure:
{
"alignment": <Alignment>,
"clipBehavior": <Clip>,
"fit": <BoxFit>
}
See also:
ThemeDecoder.decodeAlignment
ThemeDecoder.decodeClip
ThemeDecoder.decodeBoxFit
Implementation
static JsonFittedBoxBuilder? fromDynamic(
dynamic map, {
JsonWidgetRegistry? registry,
}) {
JsonFittedBoxBuilder? result;
if (map != null) {
result = JsonFittedBoxBuilder(
alignment: ThemeDecoder.decodeAlignment(
map['alignment'],
validate: false,
) ??
Alignment.center,
clipBehavior: ThemeDecoder.decodeClip(
map['clipBehavior'],
validate: false,
) ??
Clip.hardEdge,
fit: ThemeDecoder.decodeBoxFit(
map['fit'],
validate: false,
) ??
BoxFit.contain,
);
}
return result;
}