areaFill method

Paint areaFill(
  1. Rect rect,
  2. Color color, {
  3. double opacity = 1,
})

Area fill under a line (line / sparkline / stacked area).

Implementation

Paint areaFill(Rect rect, Color color, {double opacity = 1}) {
  switch (style) {
    case ChartStyle.gradient:
      return _vertical(rect, color, 0.32 * opacity, 0.0);
    case ChartStyle.flat:
      return Paint()
        ..color = color.withValues(alpha: 0.16 * opacity)
        ..isAntiAlias = true;
    case ChartStyle.glass:
      return _vertical(rect, lighten(color, 0.06), 0.28 * opacity,
          0.12 * opacity);
  }
}