#pragma once #include "Backend.h" #include class ImageBackend : public Napi::ObjectWrap, public Backend { private: cairo_surface_t* createSurface(); void destroySurface(); cairo_format_t format = DEFAULT_FORMAT; public: ImageBackend(Napi::CallbackInfo& info); cairo_format_t getFormat(); void setFormat(cairo_format_t format); int32_t approxBytesPerPixel(); static Napi::FunctionReference constructor; static void Initialize(Napi::Object target); const static cairo_format_t DEFAULT_FORMAT = CAIRO_FORMAT_ARGB32; };