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6
libraries/lvgl/examples/libs/barcode/index.rst
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6
libraries/lvgl/examples/libs/barcode/index.rst
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Create a Barcode
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----------------
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.. lv_example:: libs/barcode/lv_example_barcode_1
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:language: c
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38
libraries/lvgl/examples/libs/barcode/lv_example_barcode.h
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libraries/lvgl/examples/libs/barcode/lv_example_barcode.h
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/**
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* @file lv_example_barcode.h
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*
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*/
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#ifndef LV_EXAMPLE_BARCODE_H
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#define LV_EXAMPLE_BARCODE_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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/*********************
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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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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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void lv_example_barcode_1(void);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_EXAMPLE_BARCODE_H*/
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27
libraries/lvgl/examples/libs/barcode/lv_example_barcode_1.c
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27
libraries/lvgl/examples/libs/barcode/lv_example_barcode_1.c
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#include "../../lv_examples.h"
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#if LV_USE_BARCODE && LV_BUILD_EXAMPLES
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/**
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* Create a Barcode
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*/
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void lv_example_barcode_1(void)
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{
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lv_color_t bg_color = lv_palette_lighten(LV_PALETTE_LIGHT_BLUE, 5);
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lv_color_t fg_color = lv_palette_darken(LV_PALETTE_BLUE, 4);
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lv_obj_t * barcode = lv_barcode_create(lv_screen_active());
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lv_obj_set_height(barcode, 50);
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lv_obj_center(barcode);
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/*Set color*/
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lv_barcode_set_dark_color(barcode, fg_color);
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lv_barcode_set_light_color(barcode, bg_color);
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/*Add a border with bg_color*/
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lv_obj_set_style_border_color(barcode, bg_color, 0);
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/*Set data*/
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lv_barcode_update(barcode, "https://lvgl.io");
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}
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#endif
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