private void updateShader()

in shimmer/src/main/java/com/facebook/shimmer/ShimmerDrawable.java [215:251]

35 lines of code
9 McCabe index (conditional complexity)


  private void updateShader() {
    final Rect bounds = getBounds();
    final int boundsWidth = bounds.width();
    final int boundsHeight = bounds.height();
    if (boundsWidth == 0 || boundsHeight == 0 || mShimmer == null) {
      return;
    }
    final int width = mShimmer.width(boundsWidth);
    final int height = mShimmer.height(boundsHeight);

    final Shader shader;
    switch (mShimmer.shape) {
      default:
      case Shimmer.Shape.LINEAR:
        boolean vertical =
            mShimmer.direction == Shimmer.Direction.TOP_TO_BOTTOM
                || mShimmer.direction == Shimmer.Direction.BOTTOM_TO_TOP;
        int endX = vertical ? 0 : width;
        int endY = vertical ? height : 0;
        shader =
            new LinearGradient(
                0, 0, endX, endY, mShimmer.colors, mShimmer.positions, Shader.TileMode.CLAMP);
        break;
      case Shimmer.Shape.RADIAL:
        shader =
            new RadialGradient(
                width / 2f,
                height / 2f,
                (float) (Math.max(width, height) / Math.sqrt(2)),
                mShimmer.colors,
                mShimmer.positions,
                Shader.TileMode.CLAMP);
        break;
    }

    mShimmerPaint.setShader(shader);
  }