/** * @file compress.h * LZSS based compression HAL API */ #pragma once #include #include #include #ifdef __cplusplus extern "C" { #endif /** Compress Icon control structure */ typedef struct CompressIcon CompressIcon; /** Initialize icon compressor * * @return Compress Icon instance */ CompressIcon* compress_icon_alloc(void); /** Free icon compressor * * @param instance The Compress Icon instance */ void compress_icon_free(CompressIcon* instance); /** Decompress icon * * @warning decoded_buff pointer set by this function is valid till next * `compress_icon_decode` or `compress_icon_free` call * * @param instance The Compress Icon instance * @param icon_data pointer to icon data * @param[in] decoded_buff pointer to decoded buffer pointer */ void compress_icon_decode(CompressIcon* instance, const uint8_t* icon_data, uint8_t** decoded_buff); /** Compress control structure */ typedef struct Compress Compress; /** Allocate encoder and decoder * * @param compress_buff_size size of decoder and encoder buffer to * allocate * * @return Compress instance */ Compress* compress_alloc(uint16_t compress_buff_size); /** Free encoder and decoder * * @param compress Compress instance */ void compress_free(Compress* compress); /** Encode data * * @param compress Compress instance * @param data_in pointer to input data * @param data_in_size size of input data * @param data_out maximum size of output data * @param[in] data_out_size The data out size * @param data_res_size pointer to result output data size * * @return true on success */ bool compress_encode( Compress* compress, uint8_t* data_in, size_t data_in_size, uint8_t* data_out, size_t data_out_size, size_t* data_res_size); /** Decode data * * @param compress Compress instance * @param data_in pointer to input data * @param data_in_size size of input data * @param data_out maximum size of output data * @param[in] data_out_size The data out size * @param data_res_size pointer to result output data size * * @return true on success */ bool compress_decode( Compress* compress, uint8_t* data_in, size_t data_in_size, uint8_t* data_out, size_t data_out_size, size_t* data_res_size); #ifdef __cplusplus } #endif