Method setBackgroundColor

snap_drawing/src/snap_drawing/cpp/Layers/Layer.cpp:387–392

}

void Layer::setBackgroundColor(Color backgroundColor) {
    if (_backgroundColor != backgroundColor) {
        _backgroundColor = backgroundColor;
        setNeedsDisplay();
    }
}

void Layer::setBackgroundLinearGradient(std::vector<Scalar>&& locations,
                                        std::vector<Color>&& colors,