public override NSFont ConvertFont(NSFont fontObj, NSFontTraitMask trait)
{
// be a little less conservative when converting fonts to use the name when translating to italics.
// e.g. 'Klavika Medium' translates to 'Klavika Italic' if adding italic trait, instead of
// 'Klavika Medium Italic'.
if (trait == NSFontTraitMask.Italic || trait == NSFontTraitMask.Unitalic)
{
var oldName = (string)FontTypefaceHandler.GetName(fontObj.Handle);
const string italicSuffix = " Italic";
string newName = null;
if (trait == NSFontTraitMask.Italic)
{
newName = oldName + italicSuffix;
}
else if (oldName.EndsWith(italicSuffix, StringComparison.OrdinalIgnoreCase))
{
newName = oldName.Substring(0, oldName.Length - italicSuffix.Length);
}
if (newName != null)
{
foreach (var descriptor in AvailableMembersOfFontFamily(fontObj.FamilyName))
{
var fontName = (string)Messaging.GetNSObject <NSString>(descriptor.ValueAt(1));
if (string.Equals(fontName, newName, StringComparison.OrdinalIgnoreCase))
{
var postScriptName = (string)Messaging.GetNSObject <NSString>(descriptor.ValueAt(0));
return(NSFont.FromFontName(postScriptName, fontObj.PointSize));
}
}
}
}
return(base.ConvertFont(fontObj, trait));
}
public FontTypeface GetFace(NSFont font, NSFontTraitMask?traits)
{
var postScriptName = font.FontDescriptor.PostscriptName;
var faceHandler = Typefaces.Select(r => r.Handler).OfType <FontTypefaceHandler>().FirstOrDefault(r => r.PostScriptName == postScriptName && r.Traits == traits);
if (faceHandler == null)
{
faceHandler = new FontTypefaceHandler(font, traits);
}
return(new FontTypeface(Widget, faceHandler));
}
