#pragma once class FsFile; class Print; class ZipFile; class JpegToBmpConverter { static unsigned char jpegReadCallback(unsigned char* pBuf, unsigned char buf_size, unsigned char* pBytes_actually_read, void* pCallback_data); static bool jpegFileToBmpStreamInternal(class FsFile& jpegFile, Print& bmpOut, int targetWidth, int targetHeight, bool oneBit, bool crop = true); public: static bool jpegFileToBmpStream(FsFile& jpegFile, Print& bmpOut, bool crop = true); // Convert with custom target size (for thumbnails) static bool jpegFileToBmpStreamWithSize(FsFile& jpegFile, Print& bmpOut, int targetMaxWidth, int targetMaxHeight); // Convert to 1-bit BMP (black and white only, no grays) for fast home screen rendering static bool jpegFileTo1BitBmpStreamWithSize(FsFile& jpegFile, Print& bmpOut, int targetMaxWidth, int targetMaxHeight); };