/** 标记指定范围内容的文本行的矩形为无效 */
void TextLayer_InvalidateRowsRect( LCUI_TextLayer layer,
int start_row, int end_row )
{
int i, y;
LCUI_Rect rect;
if( end_row < 0 || end_row >= layer->rowlist.length ) {
end_row = layer->rowlist.length - 1;
}
y = layer->offset_y;
for( i = 0; i < layer->rowlist.length; ++i ) {
y += layer->rowlist.rows[i]->height;
if( i >= start_row && y >= 0 ) {
y -= layer->rowlist.rows[i]->height;
break;
}
}
for( ; i <= end_row; ++i ) {
TextLayer_GetRowRect( layer, i, 0, -1, &rect );
RectList_Add( &layer->dirty_rect, &rect );
y += layer->rowlist.rows[i]->height;
if( y >= layer->max_height ) {
break;
}
}
}
/** 标记指定文本行的矩形区域为无效 */
static void TextLayer_InvalidateRowRect( LCUI_TextLayer layer, int row,
int start, int end )
{
LCUI_Rect rect;
if( TextLayer_GetRowRect( layer, row, start, end, &rect ) == 0 ) {
RectList_Add( &layer->dirty_rect, &rect );
}
}
LCUI_BOOL Widget_InvalidateArea( LCUI_Widget widget,
LCUI_RectF *in_rect, int box_type )
{
int mode;
LCUI_Rect area;
LCUI_RectF rect;
LCUI_Widget w = widget;
LCUI_Widget root = LCUIWidget_GetRoot();
LCUI_RectGroup group;
if( !w ) {
w = root;
}
mode = LCUIDisplay_GetMode();
Widget_AdjustArea( w, in_rect, &rect, box_type );
rect.x += w->box.graph.x;
rect.y += w->box.graph.y;
while( w && w->parent ) {
LCUIRectF_ValidateArea( &rect, w->parent->box.padding.width,
w->parent->box.padding.height );
if( rect.width <= 0 || rect.height <= 0 ) {
return FALSE;
}
if( mode != LCDM_SEAMLESS && w->parent == root ) {
break;
}
w = w->parent;
rect.x += w->box.padding.x;
rect.y += w->box.padding.y;
}
RectFToInvalidArea( &rect, &area );
if( mode != LCDM_SEAMLESS ) {
RectList_Add( &self.rects, &area );
return TRUE;
}
group = RBTree_CustomGetData( &self.groups, w );
if( !group ) {
group = NEW( LCUI_RectGroupRec, 1 );
group->widget = w;
LinkedList_Init( &group->rects );
RBTree_CustomInsert( &self.groups, w, group );
}
return RectList_Add( &group->rects, &area ) == 0;
}
