private void RefillCharsPanel()
{
FontChar fc;
try {
_charsPanel.SuspendLayout();
// empty panel
_charsPanel.Controls.Clear();
// add new. not particularly fast.
using (Graphics g = CreateGraphics()) {
foreach (FontUtil.FontRange fr in FontUtil.GetFontUnicodeRanges(_sizedFont.GdiFont))
{
for (UInt16 code = fr.Low; code <= fr.High; code++)
{
char c;
int width;
fc = new FontChar();
c = Convert.ToChar(code);
// special case for space which we map to the width of a "-"
width = (int)g.MeasureString(c == ' ' ? "-" : c.ToString(), _sizedFont.GdiFont, PointF.Empty, StringFormat.GenericTypographic).Width;
fc.Text = c.ToString();
fc.Font = _sizedFont.GdiFont;
fc.Size = new Size(width, _sizedFont.Size);
fc.Selected = _sizedFont.ContainsChar(c);
fc.Click += OnClickFontChar;
fc.Tag = c;
_charsPanel.Controls.Add(fc);
}
}
}
_preview.Font = _sizedFont.GdiFont;
RefillPreviews();
}
finally {
_charsPanel.ResumeLayout();
}
}
