86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/**
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* @file lv_qrcode.h
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*
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*/
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#ifndef LV_QRCODE_H
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#define LV_QRCODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "../../lv_conf_internal.h"
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#include "../../misc/lv_color.h"
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#include "../../misc/lv_types.h"
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#include "../../widgets/canvas/lv_canvas.h"
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#include LV_STDBOOL_INCLUDE
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#include LV_STDINT_INCLUDE
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#if LV_USE_QRCODE
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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LV_ATTRIBUTE_EXTERN_DATA extern const lv_obj_class_t lv_qrcode_class;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create an empty QR code (an `lv_canvas`) object.
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* @param parent point to an object where to create the QR code
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* @return pointer to the created QR code object
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*/
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lv_obj_t * lv_qrcode_create(lv_obj_t * parent);
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/**
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* Set QR code size.
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* @param obj pointer to a QR code object
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* @param size width and height of the QR code
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*/
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void lv_qrcode_set_size(lv_obj_t * obj, int32_t size);
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/**
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* Set QR code dark color.
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* @param obj pointer to a QR code object
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* @param color dark color of the QR code
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*/
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void lv_qrcode_set_dark_color(lv_obj_t * obj, lv_color_t color);
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/**
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* Set QR code light color.
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* @param obj pointer to a QR code object
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* @param color light color of the QR code
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*/
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void lv_qrcode_set_light_color(lv_obj_t * obj, lv_color_t color);
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/**
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* Set the data of a QR code object
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* @param obj pointer to a QR code object
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* @param data data to display
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* @param data_len length of data in bytes
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* @return LV_RESULT_OK: if no error; LV_RESULT_INVALID: on error
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*/
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lv_result_t lv_qrcode_update(lv_obj_t * obj, const void * data, uint32_t data_len);
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/**********************
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* MACROS
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**********************/
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#endif /*LV_USE_QRCODE*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_QRCODE_H*/
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