Method draw

tests/fl/fx/2d/blend.hpp:29–33

    fl::string fxName() const override { return "SolidColorFx2d"; }

    void draw(fl::Fx::DrawContext context) override {
        for (uint16_t i = 0; i < mXyMap.getTotal(); i++) {
            context.leds[i] = mColor;
        }
    }

  private:
    CRGB mColor;