fix(init): adjust the freetype initial order (#7363)

Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>

src/draw/vg_lite/lv_draw_vg_lite.c

@@ -80,6 +80,7 @@ void lv_draw_vg_lite_init(void)
 #endif
     lv_vg_lite_path_init(unit);
     lv_vg_lite_decoder_init();
+    lv_draw_vg_lite_label_init(&unit->base_unit);
 }
 
 void lv_draw_vg_lite_deinit(void)

src/draw/vg_lite/lv_draw_vg_lite.h

@@ -60,6 +60,8 @@ void lv_draw_vg_lite_fill(lv_draw_unit_t * draw_unit, const lv_draw_fill_dsc_t *
 void lv_draw_vg_lite_img(lv_draw_unit_t * draw_unit, const lv_draw_image_dsc_t * dsc,
                          const lv_area_t * coords, bool no_cache);
 
+void lv_draw_vg_lite_label_init(lv_draw_unit_t * draw_unit);
+
 void lv_draw_vg_lite_label(lv_draw_unit_t * draw_unit, const lv_draw_label_dsc_t * dsc,
                            const lv_area_t * coords);
 

src/draw/vg_lite/lv_draw_vg_lite_label.c

@@ -71,19 +71,20 @@ static void draw_letter_bitmap(lv_draw_vg_lite_unit_t * u, const lv_draw_glyph_d
  *   GLOBAL FUNCTIONS
  **********************/
 
+void lv_draw_vg_lite_label_init(lv_draw_unit_t * draw_unit)
+{
+#if LV_USE_FREETYPE
+    /*Set up the freetype outline event*/
+    lv_freetype_outline_add_event(freetype_outline_event_cb, LV_EVENT_ALL, draw_unit);
+#else
+    LV_UNUSED(draw_unit);
+#endif /* LV_USE_FREETYPE */
+}
+
 void lv_draw_vg_lite_label(lv_draw_unit_t * draw_unit, const lv_draw_label_dsc_t * dsc,
                            const lv_area_t * coords)
 {
     LV_PROFILER_DRAW_BEGIN;
-
-#if LV_USE_FREETYPE
-    static bool is_init = false;
-    if(!is_init) {
-        lv_freetype_outline_add_event(freetype_outline_event_cb, LV_EVENT_ALL, draw_unit);
-        is_init = true;
-    }
-#endif /* LV_USE_FREETYPE */
-
     lv_draw_label_iterate_characters(draw_unit, dsc, coords, draw_letter_cb);
     LV_PROFILER_DRAW_END;
 }

src/lv_init.c

@@ -199,6 +199,13 @@ void lv_init(void)
 
     lv_group_init();
 
+#if LV_USE_FREETYPE
+    /* Since the drawing unit needs to register the freetype event,
+     * initialize the freetype module first
+     */
+    lv_freetype_init(LV_FREETYPE_CACHE_FT_GLYPH_CNT);
+#endif
+
     lv_draw_init();
 
 #if LV_USE_DRAW_SW
@@ -350,11 +357,6 @@ void lv_init(void)
     lv_ffmpeg_init();
 #endif
 
-#if LV_USE_FREETYPE
-    /*Init freetype library*/
-    lv_freetype_init(LV_FREETYPE_CACHE_FT_GLYPH_CNT);
-#endif
-
     lv_initialized = true;
 
     LV_LOG_TRACE("finished");