Method Renderer

example/lottieperf.cpp:40–46

{
public:
    explicit Renderer(const std::string& filename)
    {
        _animation = rlottie::Animation::loadFromFile(filename);
        _frames = _animation->totalFrame();
        _buffer = std::make_unique<uint32_t[]>(100 * 100);
        _surface = rlottie::Surface(_buffer.get(), 100, 100, 100 * 4);
    }
    void render()
    {
        if (_cur >= _frames) _cur = 0;