public override void DrawItem(Graphics g, BrushX brush, FontX font, StringFormat strfmt, Altaxo.Data.AltaxoVariant item, PointF morg)
{
SplitInFirstPartAndExponent(item, out var firstpart, out var mant, out var middelpart, out var exponent);
var gdiFont = GdiFontManager.ToGdi(font);
SizeF size1 = g.MeasureString(_prefix + firstpart + middelpart, gdiFont, morg, strfmt);
g.DrawString(_prefix + firstpart + middelpart, gdiFont, brush, morg, strfmt);
var orginalY = morg.Y;
morg.X += size1.Width;
morg.Y += size1.Height / 3;
FontX font2 = font.WithSize(font.Size * 2 / 3.0);
var gdiFont2 = GdiFontManager.ToGdi(font2);
g.DrawString(exponent, gdiFont2, brush, morg);
if (!string.IsNullOrEmpty(_suffix))
{
morg.X += g.MeasureString(exponent, gdiFont2, morg, strfmt).Width;
morg.Y = orginalY;
}
if (!string.IsNullOrEmpty(_suffix))
{
g.DrawString(_suffix, gdiFont, brush, morg, strfmt);
}
}
private void EhFontSize_SelectionChangeCommitted(object sender, System.Windows.DependencyPropertyChangedEventArgs e)
{
if (FontX != null)
{
FontX = FontX.WithSize(_cbFontSize.SelectedQuantityAsValueInPoints);
OnSelectedFontChanged();
}
}
public IEnumerable <(string PropertyName, object PropertyValue, Action <object> PropertySetter)> GetRoutedProperties(string propertyName)
{
switch (propertyName)
{
case "FontSize":
yield return(propertyName, _font.Size, (value) => Font = _font.WithSize((double)value));
break;
case "FontFamily":
yield return(propertyName, _font.FontFamilyName, (value) => Font = _font.WithFamily((string)value));
break;
}
yield break;
}
public override IMeasuredLabelItem[] GetMeasuredItems(Graphics g, FontX font, StringFormat strfmt, Altaxo.Data.AltaxoVariant[] items)
{
var litems = new MeasuredLabelItem[items.Length];
FontX localfont1 = font;
FontX localfont2 = font.WithSize(font.Size * 2 / 3);
var localstrfmt = (StringFormat)strfmt.Clone();
string[] firstp = new string[items.Length];
string[] middel = new string[items.Length];
string[] expos = new string[items.Length];
double[] mants = new double[items.Length];
float maxexposize = 0;
int firstpartmin = int.MaxValue;
int firstpartmax = int.MinValue;
for (int i = 0; i < items.Length; ++i)
{
string firstpart, exponent;
if (items[i].IsType(Altaxo.Data.AltaxoVariant.Content.VDouble))
{
SplitInFirstPartAndExponent(items[i], out firstpart, out mants[i], out middel[i], out exponent);
if (exponent.Length > 0)
{
firstpartmin = Math.Min(firstpartmin, firstpart.Length);
firstpartmax = Math.Max(firstpartmax, firstpart.Length);
}
}
else
{
firstpart = items[i].ToString();
middel[i] = string.Empty;
exponent = string.Empty;
}
firstp[i] = firstpart;
expos[i] = exponent;
maxexposize = Math.Max(maxexposize, g.MeasureString(exponent, GdiFontManager.ToGdi(localfont2), new PointF(0, 0), strfmt).Width);
}
if (firstpartmax > 0 && firstpartmax > firstpartmin) // then we must use special measures to equilibrate the mantissa
{
firstp = NumericLabelFormattingAuto.FormatItems(mants);
}
for (int i = 0; i < items.Length; ++i)
{
string mid = string.Empty;
if (!string.IsNullOrEmpty(expos[i]))
{
if (string.IsNullOrEmpty(firstp[i]))
{
mid = "10";
}
else
{
mid = "\u00D710";
}
}
litems[i] = new MeasuredLabelItem(g, localfont1, localfont2, localstrfmt, _prefix + firstp[i] + mid, expos[i], _suffix, maxexposize);
}
return(litems);
}
public FontX3D WithSize(double newSize)
{
return(new FontX3D(_font.WithSize(newSize), _depth));
}