/** 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 i_row )
{
LCUI_Rect rect;
if( TextLayer_GetRowRect( layer, i_row, &rect ) == 0 ) {
DirtyRectList_Add( &layer->dirty_rect, &rect );
}
}
/** 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 );
}
}
