public static Size MeasureText(string text, Font font)
{
using (Graphics graphics = Graphics.FromHwnd(IntPtr.Zero))
{
graphics.TextRenderingHint = TextRenderingHint.SystemDefault;
Size size = TextRenderer.MeasureText((IDeviceContext)graphics, text, font, Size.Empty, TextFormatFlags.NoClipping | TextFormatFlags.NoPrefix | TextFormatFlags.SingleLine | TextFormatFlags.PreserveGraphicsClipping | TextFormatFlags.PreserveGraphicsTranslateTransform | TextFormatFlags.NoPadding);
if (TextBoxWrapPanel.IsTab(text))
{
size.Width = RadGdiGraphics.GetTextMetric(font).aveCharWidth * 4;
}
return(size);
}
}
private static float GetBaseLineFromFont(Font font)
{
int hashCode = font.GetHashCode();
if (FormattedText.baseLines == null)
{
FormattedText.baseLines = new Dictionary <int, float>(4);
}
if (FormattedText.baseLines.ContainsKey(hashCode))
{
return(FormattedText.baseLines[hashCode]);
}
FontTextMetrics textMetric = RadGdiGraphics.GetTextMetric(font);
FormattedText.baseLines.Add(hashCode, (float)textMetric.ascent);
return((float)textMetric.ascent);
}