public IFontMetrics GetFontMetrics()
{
var f = _lastFont;
if (f == null)
{
throw new InvalidOperationException("Cannot call GetFontMetrics before calling SetFont.");
}
var fm = f.Tag as CoreGraphicsFontMetrics;
if (fm == null)
{
fm = new CoreGraphicsFontMetrics(_attrs);
f.Tag = fm;
}
return(fm);
}
public IFontMetrics GetFontMetrics()
{
var f = _lastFont;
if (f == null) throw new InvalidOperationException ("Cannot call GetFontMetrics before calling SetFont.");
var fm = f.Tag as CoreGraphicsFontMetrics;
if (fm == null) {
fm = new CoreGraphicsFontMetrics ();
f.Tag = fm;
}
if (fm.Widths == null) {
fm.MeasureText (_c, _lastFont);
}
return fm;
}