79  * @return the an integer, the ID of the mask. Can be used in `lv_draw_mask_remove_id`.
138  * @param ids ID array of added buffers
139  * @param ids_count number of ID array
152         int16_t id = ids[i];  in lv_draw_mask_apply_ids()  local
153         if(id == LV_MASK_ID_INV) continue;  in lv_draw_mask_apply_ids()
154         dsc = LV_GC_ROOT(_lv_draw_mask_list[id]).param;  in lv_draw_mask_apply_ids()
166  * Remove a mask with a given ID
167  * @param id the ID of the mask.  Returned by `lv_draw_mask_add`
169  * If more masks have `custom_id` ID then the last mask's parameter will be returned
171 void * lv_draw_mask_remove_id(int16_t id)  in lv_draw_mask_remove_id()  argument
175     if(id != LV_MASK_ID_INV) {  in lv_draw_mask_remove_id()
176         p = LV_GC_ROOT(_lv_draw_mask_list[id]).param;  in lv_draw_mask_remove_id()
177         LV_GC_ROOT(_lv_draw_mask_list[id]).param = NULL;  in lv_draw_mask_remove_id()
178         LV_GC_ROOT(_lv_draw_mask_list[id]).custom_id = NULL;  in lv_draw_mask_remove_id()
185  * Remove all mask with a given custom ID
188  * If more masks have `custom_id` ID then the last mask's parameter will be returned