public static object PickTagAt( TextRunLine line, int x, int y )
{
Measurement m = new Measurement();
foreach ( var run in line )
foreach ( var ch_ in run.Text )
{
char ch = ch_;
m = Measurement.Merge(m,m.Advance.X,0,run.Font.BitmapPageForOrNul( ref ch ).Measurement );
if ( 0 <= x && x < m.Bounds.Width && 0 <= y && y < m.Bounds.Height ) return run.Tag;
}
return null;
}
public static Measurement MeasureLine( TextRunLine line )
{
Measurement m = new Measurement();
foreach ( var run in line )
foreach ( var ch_ in run.Text )
{
char ch = ch_;
m = Measurement.Merge(m,m.Advance.X,0,run.Font.BitmapPageForOrNul( ref ch ).Measurement);
}
return m;
}
