lv_qrcode.h
Functions
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lv_obj_t *lv_qrcode_create(lv_obj_t *parent)
Create an empty QR code (an
lv_canvas) object.- Parameters:
parent -- point to an object where to create the QR code
- Returns:
pointer to the created QR code object
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void lv_qrcode_set_size(lv_obj_t *obj, int32_t size)
Set QR code size.
- Parameters:
obj -- pointer to a QR code object
size -- width and height of the QR code
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void lv_qrcode_set_dark_color(lv_obj_t *obj, lv_color_t color)
Set QR code dark color.
- Parameters:
obj -- pointer to a QR code object
color -- dark color of the QR code
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void lv_qrcode_set_light_color(lv_obj_t *obj, lv_color_t color)
Set QR code light color.
- Parameters:
obj -- pointer to a QR code object
color -- light color of the QR code
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lv_result_t lv_qrcode_update(lv_obj_t *obj, const void *data, uint32_t data_len)
Set the data of a QR code object
- Parameters:
obj -- pointer to a QR code object
data -- data to display
data_len -- length of data in bytes
- Returns:
LV_RESULT_OK: if no error; LV_RESULT_INVALID: on error
Variables
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const lv_obj_class_t lv_qrcode_class
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struct lv_qrcode_t