* @param dsc pointer to decoder descriptor. `src`, `color` are already initialized in it. typedef lv_res_t (*lv_img_decoder_open_f_t)(struct _lv_img_decoder_t * decoder, struct _lv_img_decoder_dsc_t * ...
Add base64.cpp and base64.hpp to your project folder or library search path, put #include "base64.hpp" in your source, and pass base64.cpp to your compiler ...