size_t ImageSource::frameCount() const { return m_decoder ? CGImageSourceGetCount(m_decoder) : 0; }
size_t ImageDecoder::frameCount() const { return CGImageSourceGetCount(m_nativeDecoder.get()); }
size_t ImageSource::frameCount() const { return m_decoder ? CGImageSourceGetCount(m_decoder) : 0; }
size_t ImageDecoder::frameCount() const { return CGImageSourceGetCount(m_nativeDecoder.get()); }