Barcode
Generates 1D barcodes as LVGL canvas images using code128. Enable with LV_USE_BARCODE in lv_conf.h.
Barcode with palette colors
Render a barcode encoding an LVGL URL with custom dark and light colors.
A barcode widget is centered on the active screen with its height set to 50 px.
lv_barcode_set_dark_color and lv_barcode_set_light_color use darkened and
lightened entries from LV_PALETTE_BLUE and LV_PALETTE_LIGHT_BLUE for the
bars and background, a matching border color is applied, and
lv_barcode_update encodes https://lvgl.io.
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