retrieveGradient function

Gradient? retrieveGradient(PaintModel paint)

Implementation

Gradient? retrieveGradient(PaintModel paint) {
  try {
    final double rotation =
        decomposeRelativeTransform(paint.gradientTransform).rotation;

    // We sort the colors to mimic the way Figma changes the order.
    final gradientStops = paint.gradientStops!
        .sorted((g1, g2) => g1.position.compareTo(g2.position));
    final radians = rotation * pi / 180;

    if (paint.type == PaintType.gradientLinear) {
      return LinearGradient(
        colors: gradientStops
            .map((e) => e.color.multiplyAlpha(paint.opacity).toFlutterColor())
            .toList(),
        stops: gradientStops.map((e) => e.position).toList(),
        transform: GradientRotation(radians),
      );
    } else if (paint.type == PaintType.gradientRadial) {
      return RadialGradient(
        colors: gradientStops
            .map((e) => e.color.multiplyAlpha(paint.opacity).toFlutterColor())
            .toList(),
        stops: gradientStops.map((e) => e.position).toList(),
        transform: GradientRotation(radians),
      );
    } else if (paint.type == PaintType.gradientAngular) {
      return SweepGradient(
        colors: gradientStops
            .map((e) => e.color.multiplyAlpha(paint.opacity).toFlutterColor())
            .toList(),
        stops: gradientStops.map((e) => e.position).toList(),
        transform: GradientRotation(radians),
      );
    }

    return null;
  } catch (error, stacktrace) {
    print(error);
    print(stacktrace);
    return null;
  }
}