MyShadow constructor

MyShadow({
  1. double elevation = 3,
  2. double? spreadRadius,
  3. double? blurRadius,
  4. Offset? offset,
  5. MyShadowPosition position = MyShadowPosition.bottom,
  6. int? alpha,
  7. Color? color,
  8. bool darkShadow = false,
})

Implementation

MyShadow(
    {this.elevation = 3,
    double? spreadRadius,
    double? blurRadius,
    Offset? offset,
    MyShadowPosition position = MyShadowPosition.bottom,
    int? alpha,
    Color? color,
    bool darkShadow = false}) {
  this.spreadRadius = spreadRadius ?? elevation * 0.125;
  this.blurRadius = blurRadius ?? elevation * 2;
  this.alpha = alpha ?? (darkShadow ? 80 : 25);
  this.offset = offset;
  this.position = position;
  this.color = color;
  this.darkShadow = darkShadow;

  if (offset == null) {
    switch (position) {
      case MyShadowPosition.topLeft:
        this.offset = Offset(-elevation, -elevation);
        break;
      case MyShadowPosition.top:
        this.offset = Offset(0, -elevation);
        break;
      case MyShadowPosition.topRight:
        this.offset = Offset(elevation, -elevation);
        break;

      case MyShadowPosition.centerLeft:
        this.offset = Offset(-elevation, elevation * 0.25);
        break;
      case MyShadowPosition.center:
        this.offset = const Offset(0, 0);
        break;

      case MyShadowPosition.centerRight:
        this.offset = Offset(elevation, elevation * 0.25);
        break;
      case MyShadowPosition.bottomLeft:
        this.offset = Offset(-elevation, elevation);
        break;
      case MyShadowPosition.bottom:
        this.offset = Offset(0, elevation);
        break;
      case MyShadowPosition.bottomRight:
        this.offset = Offset(elevation, elevation);
        break;
    }
  }
}