1 /**
2  * @file lv_qrcode
3  *
4  */
5 
6 #ifndef LV_QRCODE_H
7 #define LV_QRCODE_H
8 
9 #ifdef __cplusplus
10 extern "C" {
11 #endif
12 
13 /*********************
14  *      INCLUDES
15  *********************/
16 #include "../../../lvgl.h"
17 #if LV_USE_QRCODE
18 
19 /*********************
20  *      DEFINES
21  *********************/
22 
23 extern const lv_obj_class_t lv_qrcode_class;
24 
25 /**********************
26  *      TYPEDEFS
27  **********************/
28 
29 /**********************
30  * GLOBAL PROTOTYPES
31  **********************/
32 
33 /**
34  * Create an empty QR code (an `lv_canvas`) object.
35  * @param parent point to an object where to create the QR code
36  * @param size width and height of the QR code
37  * @param dark_color dark color of the QR code
38  * @param light_color light color of the QR code
39  * @return pointer to the created QR code object
40  */
41 lv_obj_t * lv_qrcode_create(lv_obj_t * parent, lv_coord_t size, lv_color_t dark_color, lv_color_t light_color);
42 
43 /**
44  * Set the data of a QR code object
45  * @param qrcode pointer to aQ code object
46  * @param data data to display
47  * @param data_len length of data in bytes
48  * @return LV_RES_OK: if no error; LV_RES_INV: on error
49  */
50 lv_res_t lv_qrcode_update(lv_obj_t * qrcode, const void * data, uint32_t data_len);
51 
52 /**
53  * DEPRECATED: Use normal lv_obj_del instead
54  * Delete a QR code object
55  * @param qrcode pointer to a QR code object
56  */
57 void lv_qrcode_delete(lv_obj_t * qrcode);
58 
59 /**********************
60  *      MACROS
61  **********************/
62 
63 #endif /*LV_USE_QRCODE*/
64 
65 #ifdef __cplusplus
66 } /* extern "C" */
67 #endif
68 
69 #endif /*LV_QRCODE_H*/
70