stbir__kernel_callback typedef

stbir__kernel_callback = NativeFunction<Float Function(Float x, Float scale, Pointer<Void> user_data)>

callbacks for user installed filters

Implementation

typedef stbir__kernel_callback =
    ffi.NativeFunction<
      ffi.Float Function(
        ffi.Float x,
        ffi.Float scale,
        ffi.Pointer<ffi.Void> user_data,
      )
    >;