/** 清除已记录的无效矩形 */
void TextLayer_ClearInvalidRect( LCUI_TextLayer layer )
{
LinkedListNode *node;
LCUI_Graph invalid_graph;
if( !layer->is_using_buffer ) {
RectList_Clear( &layer->dirty_rect );
return;
}
for( LinkedList_Each( node, &layer->dirty_rect ) ) {
Graph_Quote( &invalid_graph, &layer->graph, node->data );
Graph_FillAlpha( &invalid_graph, 0 );
}
RectList_Clear( &layer->dirty_rect );
}
/** 销毁TextLayer */
void TextLayer_Destroy( LCUI_TextLayer layer )
{
RectList_Clear( &layer->dirty_rect );
Graph_Free( &layer->graph );
TextRowList_Destroy( &layer->rowlist );
free( layer );
}
/** 更新各种图形元素的显示 */
static void LCUIDisplay_Update(void)
{
LinkedList rlist;
SurfaceRecord *p_sr;
LinkedListNode *sn, *rn;
LCUI_PaintContext paint;
LinkedList_Init( &rlist );
/* 遍历当前的 surface 记录列表 */
for( LinkedList_Each( sn, &display.surfaces ) ) {
p_sr = sn->data;
if( !p_sr->widget || !p_sr->surface
|| !Surface_IsReady(p_sr->surface) ) {
continue;
}
Surface_Update( p_sr->surface );
/* 收集无效区域记录 */
Widget_ProcInvalidArea( p_sr->widget, &rlist );
/* 在 surface 上逐个重绘无效区域 */
for( LinkedList_Each( rn, &rlist ) ) {
paint = Surface_BeginPaint( p_sr->surface, rn->data );
if( !paint ) {
continue;
}
DEBUG_MSG( "[%s]: render rect: (%d,%d,%d,%d)\n",
p_sr->widget->type, paint->rect.left,
paint->rect.top, paint->rect.w, paint->rect.h );
Widget_Render( p_sr->widget, paint );
if( display.show_rect_border ) {
DrawBorder( paint );
}
Surface_EndPaint( p_sr->surface, paint );
}
if( rlist.length > 0 ) {
Surface_Present( p_sr->surface );
}
RectList_Clear( &rlist );
}
RectList_Clear( &rlist );
}
void LCUIWidget_FreeRenderer( void )
{
self.active = FALSE;
RectList_Clear( &self.rects );
RBTree_Destroy( &self.groups );
}
static void OnDestroyGroup( void *data )
{
LCUI_RectGroup group = data;
RectList_Clear( &group->rects );
group->widget = NULL;
}
