/** * @file lv_qrcode * */ #ifndef LV_QRCODE_H #define LV_QRCODE_H #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ #include "../../../../lvgl/lvgl.h" #if LV_USE_QRCODE /********************* * DEFINES *********************/ extern const lv_obj_class_t lv_qrcode_class; /********************** * TYPEDEFS **********************/ /********************** * GLOBAL PROTOTYPES **********************/ /** * Create an empty QR code (an `lv_canvas`) object. * @param parent point to an object where to create the QR code * @param size width and height of the QR code * @param dark_color dark color of the QR code * @param light_color light color of the QR code * @return pointer to the created QR code object */ lv_obj_t * lv_qrcode_create(lv_obj_t * parent, lv_coord_t size, lv_color_t dark_color, lv_color_t light_color); /** * Set the data of a QR code object * @param qrcode pointer to aQ code object * @param data data to display * @param data_len length of data in bytes * @return LV_RES_OK: if no error; LV_RES_INV: on error */ lv_res_t lv_qrcode_update(lv_obj_t * qrcode, const void * data, uint32_t data_len); /** * DEPRECATED: Use normal lv_obj_del instead * Delete a QR code object * @param qrcode pointer to a QR code object */ void lv_qrcode_delete(lv_obj_t * qrcode); /********************** * MACROS **********************/ #endif /*LV_USE_QRCODE*/ #ifdef __cplusplus } /* extern "C" */ #endif #endif /*LV_QRCODE_H*/