lv_vg_lite_bitmap_font_cache.h

Functions

void lv_vg_lite_bitmap_font_cache_init(struct _lv_draw_vg_lite_unit_t *unit, uint32_t cache_cnt)

Initialize the bitmap font cache for VG-Lite draw unit.

Parameters:

  • unit – pointer to the VG-Lite draw unit

  • cache_cnt – number of cache entries to allocate

void lv_vg_lite_bitmap_font_cache_deinit(struct _lv_draw_vg_lite_unit_t *unit)

Deinitialize the bitmap font cache for VG-Lite draw unit.

Parameters:

unit – pointer to the VG-Lite draw unit

lv_draw_buf_t *lv_vg_lite_bitmap_font_cache_get(struct _lv_draw_vg_lite_unit_t *unit, const lv_font_glyph_dsc_t *g_dsc)

Get the bitmap font cache entry for a given font and letter.

Parameters:

  • unit – pointer to the VG-Lite draw unit

  • g_dsc – pointer to the glyph descriptor

Returns:

pointer to the draw buffer containing the cached bitmap font glyph, or NULL if the glyph ID is 0 or if cache creation fails