getGradientShader static method

Shader? getGradientShader({ required FlutterTagGradient tagGradient, required double width, required double height, })

Implementation

static Shader? getGradientShader({
  required FlutterTagGradient tagGradient,
  required double width,
  required double height,
}) {
  switch (tagGradient.gradientType) {
    case FlutterTagGradientType.linear:
      return ui.Gradient.linear(
        FlutterCalculationUtils.calculateOffset(
          alignment: tagGradient.begin!,
          width: width,
          height: height,
        ),
        FlutterCalculationUtils.calculateOffset(
          alignment: tagGradient.end!,
          width: width,
          height: height,
        ),
        tagGradient.colors,
      );
    case FlutterTagGradientType.radial:
      return ui.Gradient.radial(
        FlutterCalculationUtils.calculateOffset(
          alignment: tagGradient.center!,
          width: width,
          height: height,
        ),
        width * tagGradient.radius!,
        tagGradient.colors,
      );
    case FlutterTagGradientType.sweep:
      return ui.Gradient.sweep(
        FlutterCalculationUtils.calculateOffset(
          alignment: tagGradient.center!,
          width: width,
          height: height,
        ),
        tagGradient.colors,
      );
    default:
      return null;
  }
}