public void FitText()
{
if (!_hasMeasured)
{
return;
}
const string ellipsisChars = "... ";
var constraints = Size.ToSize();
Size s = CoreDll.MeasureString(" " + _title + " ", Font.ToFont(), constraints, false, true) + _margins;
// control is large enough to display the whole text
if (s.Width <= Width)
{
return;
}
int len = 0;
int seg = _title.Length;
string fit = string.Empty;
// find the longest string that fits into the control boundaries using bisection method
while (seg > 1)
{
seg -= seg / 2;
int left = len + seg;
int right = _title.Length;
if (left > right)
{
continue;
}
// build and measure a candidate string with ellipsis
string tst = " " + _title.Substring(0, left).TrimEnd() + ellipsisChars;
s = CoreDll.MeasureString(tst, Font.ToFont(), constraints, false, true) + _margins;
// candidate string fits into control boundaries,
// try a longer string
// stop when seg <= 1
if (s.Width <= Width)
{
len += seg;
fit = tst;
}
}
base.Text = len == 0 ? ellipsisChars : fit;
}
public Size Measure(Size constraints)
{
var s = CoreDll.MeasureString(Text, Font.ToFont(), constraints, false, true);
return(new Size(constraints.Width, s.Height));
}
protected override double GetLineHeight(Font font)
{
return(CoreDll.MeasureString("Wq", font.ToFont(), new Size(1000, 1000), false, true).Height);
}
public Size Measure(Size constraints)
{
var measure = CoreDll.MeasureString(" " + _title + " ", Font.ToFont(), constraints, false, true) + _margins;
return(new Size(measure.Width, Math.Max(measure.Height, 33 * CompactFactory.Instance.DpiScale)));
}
public Size Measure(Size constraints)
{
return(CoreDll.MeasureString(Text, Font.ToFont(), constraints, Lines != 1, false));
}