#pragma once class FsFile; class Print; class ZipFile; class JpegToBmpConverter { static void writeBmpHeader(Print& bmpOut, int width, int height); // [COMMENTED OUT] static uint8_t grayscaleTo2Bit(uint8_t grayscale, int x, int y); static unsigned char jpegReadCallback(unsigned char* pBuf, unsigned char buf_size, unsigned char* pBytes_actually_read, void* pCallback_data); public: static bool jpegFileToBmpStream(FsFile& jpegFile, Print& bmpOut); };