/** 清除已记录的无效矩形 */
void TextLayer_ClearInvalidRect( LCUI_TextLayer *layer )
{
int n;
LCUI_Rect *rect_ptr;
LCUI_Graph invalid_graph;
if( !layer->is_using_buffer ) {
DirtyRectList_Destroy( &layer->dirty_rect );
DirtyRectList_Init( &layer->dirty_rect );
return;
}
n = LinkedList_GetTotal( &layer->dirty_rect );
LinkedList_Goto( &layer->dirty_rect, 0 );
while(n--) {
rect_ptr = (LCUI_Rect*)LinkedList_Get( &layer->dirty_rect );
Graph_Quote( &invalid_graph, &layer->graph, rect_ptr );
Graph_FillAlpha( &invalid_graph, 0 );
LinkedList_ToNext( &layer->dirty_rect );
}
DirtyRectList_Destroy( &layer->dirty_rect );
DirtyRectList_Init( &layer->dirty_rect );
}
/** 部件析构函数 */
static void $(OnDestroy)( void *arg )
{
LCUI_WidgetEvent e;
LCUI_Widget widget = (LCUI_Widget)arg;
Widget_DestroyTaskBox( widget );
LCUIEventBox_Destroy( widget->event );
widget->event = NULL;
LinkedList_Destroy( &widget->children );
LinkedList_Destroy( &widget->children_show );
DirtyRectList_Destroy( &widget->dirty_rects );
/* 如果是从根级部件中移出，则触发 WET_REMOVE 事件 */
if( widget->parent == LCUIRootWidget ) {
e.type_name = "TopLevelWidget";
e.target = widget;
Widget_PostEvent( LCUIRootWidget, &e, (int*)WET_REMOVE );
}
}
/** 销毁TextLayer */
void TextLayer_Destroy( LCUI_TextLayer *layer )
{
DirtyRectList_Destroy( &layer->dirty_rect );
Graph_Free( &layer->graph );
TextRowList_Destroy( &layer->row_list );
}
