StacGradient class

A Stac representation of gradients for visual effects.

This class supports linear, radial, and sweep gradients with customizable colors, stops, and positioning. Gradients can be used for backgrounds, text styling, and other visual effects.

{@tool snippet} Dart Example:

StacLinearGradient(
  colors: [StacColors.blue, StacColors.red],
  stops: [0.0, 1.0],
  begin: StacAlignment.topLeft,
  end: StacAlignment.bottomRight,
)

{@end-tool}

{@tool snippet} JSON Example:

{
  "gradientType": "linear",
  "colors": ["#2196F3", "#F44336"],
  "stops": [0.0, 1.0],
  "begin": "topLeft",
  "end": "bottomRight"
}

{@end-tool}