Possible ways to draw Flutter's logo.
- horizontal → FlutterLogoStyle
Show Flutter's logo on the left, and the "Flutter" label to its right.
- markOnly → FlutterLogoStyle
Show only Flutter's logo, not the "Flutter" label.
This is the default behavior for FlutterLogoDecoration objects.
- stacked → FlutterLogoStyle
Show Flutter's logo above the "Flutter" label.
- values → List<FlutterLogoStyle>
A constant List of the values in this enum, in order of their declaration.