public override double GetMeanline(object backend)
{
var t = (TextLayoutBackend)backend;
var fd = (FontData)ApplicationContext.Toolkit.GetSafeBackend(t.Font);
var tf = new Typeface(fd.Family, fd.Style, fd.Weight, fd.Stretch);
return(t.FormattedText.Baseline - tf.StrikethroughPosition * WpfFontBackendHandler.GetDeviceUnitsFromPoints(fd.Size));
}
public static FontData FromControl(SW.Controls.Control control)
{
double size = WpfFontBackendHandler.GetPointsFromDeviceUnits(control.FontSize);
return(new FontData(control.FontFamily, size)
{
Style = control.FontStyle,
Stretch = control.FontStretch,
Weight = control.FontWeight
});
}
FontData GetWidgetFont()
{
if (!(Widget is Control))
{
double size = WpfFontBackendHandler.GetPointsFromDeviceUnits(SystemFonts.MessageFontSize);
return(new FontData(SystemFonts.MessageFontFamily, size)
{
Style = SystemFonts.MessageFontStyle,
Weight = SystemFonts.MessageFontWeight
});
}
return(FontData.FromControl((Control)Widget));
}
public double GetDeviceIndependentPixelSize()
{
return(WpfFontBackendHandler.GetDeviceUnitsFromPoints(Size));
}
void GenerateBlocks(SWD.InlineCollection col, string text, ref int i, int spanEnd, List <Drawing.TextAttribute> attributes, ref int attrIndex)
{
while (attrIndex < attributes.Count)
{
var at = attributes[attrIndex];
if (at.StartIndex > spanEnd)
{
FlushText(col, text, ref i, spanEnd);
return;
}
FlushText(col, text, ref i, at.StartIndex);
var s = new SWD.Span();
if (at is Drawing.BackgroundTextAttribute)
{
s.Background = new SWM.SolidColorBrush(((Drawing.BackgroundTextAttribute)at).Color.ToWpfColor());
}
else if (at is Drawing.FontWeightTextAttribute)
{
s.FontWeight = ((Drawing.FontWeightTextAttribute)at).Weight.ToWpfFontWeight();
}
else if (at is Drawing.FontStyleTextAttribute)
{
s.FontStyle = ((Drawing.FontStyleTextAttribute)at).Style.ToWpfFontStyle();
}
else if (at is Drawing.UnderlineTextAttribute)
{
var xa = (Drawing.UnderlineTextAttribute)at;
var dec = new TextDecoration(TextDecorationLocation.Underline, null, 0, TextDecorationUnit.FontRecommended, TextDecorationUnit.FontRecommended);
s.TextDecorations.Add(dec);
}
else if (at is Drawing.StrikethroughTextAttribute)
{
var xa = (Drawing.StrikethroughTextAttribute)at;
var dec = new TextDecoration(TextDecorationLocation.Strikethrough, null, 0, TextDecorationUnit.FontRecommended, TextDecorationUnit.FontRecommended);
s.TextDecorations.Add(dec);
}
else if (at is Drawing.FontTextAttribute)
{
var xa = (Drawing.FontTextAttribute)at;
s.FontFamily = new SWM.FontFamily(xa.Font.Family);
s.FontSize = WpfFontBackendHandler.GetPointsFromDeviceUnits(xa.Font.Size);
s.FontStretch = xa.Font.Stretch.ToWpfFontStretch();
s.FontStyle = xa.Font.Style.ToWpfFontStyle();
s.FontWeight = xa.Font.Weight.ToWpfFontWeight();
}
else if (at is Drawing.ColorTextAttribute)
{
s.Foreground = new SWM.SolidColorBrush(((Drawing.ColorTextAttribute)at).Color.ToWpfColor());
}
else if (at is Drawing.LinkTextAttribute)
{
var link = new SWD.Hyperlink()
{
NavigateUri = ((Drawing.LinkTextAttribute)at).Target
};
link.RequestNavigate += new System.Windows.Navigation.RequestNavigateEventHandler(link_RequestNavigate);
s = link;
}
col.Add(s);
var max = i + at.Count;
if (max > spanEnd)
{
max = spanEnd;
}
attrIndex++;
GenerateBlocks(s.Inlines, text, ref i, i + at.Count, attributes, ref attrIndex);
}
FlushText(col, text, ref i, spanEnd);
}
