public bool TryMatchCharacter(int codepoint, FontWeight fontWeight, FontStyle fontStyle,
FontFamily fontFamily, CultureInfo culture, out FontKey fontKey)
{
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
if (t_languageTagBuffer == null)
{
t_languageTagBuffer = new string[2];
}
t_languageTagBuffer[0] = culture.TwoLetterISOLanguageName;
t_languageTagBuffer[1] = culture.ThreeLetterISOLanguageName;
if (fontFamily != null)
{
foreach (var familyName in fontFamily.FamilyNames)
{
var skTypeface = _skFontManager.MatchCharacter(familyName, (SKFontStyleWeight)fontWeight,
SKFontStyleWidth.Normal, (SKFontStyleSlant)fontStyle, t_languageTagBuffer, codepoint);
if (skTypeface == null)
{
continue;
}
fontKey = new FontKey(new FontFamily(familyName), fontWeight, fontStyle);
return(true);
}
}
else
{
var skTypeface = _skFontManager.MatchCharacter(null, (SKFontStyleWeight)fontWeight,
SKFontStyleWidth.Normal, (SKFontStyleSlant)fontStyle, t_languageTagBuffer, codepoint);
if (skTypeface != null)
{
fontKey = new FontKey(new FontFamily(skTypeface.FamilyName), fontWeight, fontStyle);
return(true);
}
}
fontKey = default;
return(false);
}
public Typeface MatchCharacter(int codepoint, FontWeight fontWeight = default, FontStyle fontStyle = default,
FontFamily fontFamily = null, CultureInfo culture = null)
{
var fontFamilyName = FontFamily.Default.Name;
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
if (fontFamily != null)
{
foreach (var familyName in fontFamily.FamilyNames)
{
var skTypeface = _skFontManager.MatchCharacter(familyName, (SKFontStyleWeight)fontWeight,
SKFontStyleWidth.Normal,
(SKFontStyleSlant)fontStyle,
new[] { culture.TwoLetterISOLanguageName, culture.ThreeLetterISOLanguageName }, codepoint);
if (skTypeface == null)
{
continue;
}
fontFamilyName = familyName;
break;
}
}
else
{
var skTypeface = _skFontManager.MatchCharacter(null, (SKFontStyleWeight)fontWeight, SKFontStyleWidth.Normal,
(SKFontStyleSlant)fontStyle,
new[] { culture.TwoLetterISOLanguageName, culture.ThreeLetterISOLanguageName }, codepoint);
if (skTypeface != null)
{
fontFamilyName = skTypeface.FamilyName;
}
}
return(GetTypeface(fontFamilyName, fontWeight, fontStyle));
}
public bool TryMatchCharacter(int codepoint, FontStyle fontStyle,
FontWeight fontWeight, FontStretch fontStretch,
FontFamily fontFamily, CultureInfo culture, out Typeface fontKey)
{
SKFontStyle skFontStyle;
switch (fontWeight)
{
case FontWeight.Normal when fontStyle == FontStyle.Normal && fontStretch == FontStretch.Normal:
skFontStyle = SKFontStyle.Normal;
break;
case FontWeight.Normal when fontStyle == FontStyle.Italic && fontStretch == FontStretch.Normal:
skFontStyle = SKFontStyle.Italic;
break;
case FontWeight.Bold when fontStyle == FontStyle.Normal && fontStretch == FontStretch.Normal:
skFontStyle = SKFontStyle.Bold;
break;
case FontWeight.Bold when fontStyle == FontStyle.Italic && fontStretch == FontStretch.Normal:
skFontStyle = SKFontStyle.BoldItalic;
break;
default:
skFontStyle = new SKFontStyle((SKFontStyleWeight)fontWeight, (SKFontStyleWidth)fontStretch, (SKFontStyleSlant)fontStyle);
break;
}
if (culture == null)
{
culture = CultureInfo.CurrentUICulture;
}
if (t_languageTagBuffer == null)
{
t_languageTagBuffer = new string[2];
}
t_languageTagBuffer[0] = culture.TwoLetterISOLanguageName;
t_languageTagBuffer[1] = culture.ThreeLetterISOLanguageName;
if (fontFamily != null && fontFamily.FamilyNames.HasFallbacks)
{
var familyNames = fontFamily.FamilyNames;
for (var i = 1; i < familyNames.Count; i++)
{
var skTypeface =
_skFontManager.MatchCharacter(familyNames[i], skFontStyle, t_languageTagBuffer, codepoint);
if (skTypeface == null)
{
continue;
}
fontKey = new Typeface(skTypeface.FamilyName, fontStyle, fontWeight, fontStretch);
return(true);
}
}
else
{
var skTypeface = _skFontManager.MatchCharacter(null, skFontStyle, t_languageTagBuffer, codepoint);
if (skTypeface != null)
{
fontKey = new Typeface(skTypeface.FamilyName, fontStyle, fontWeight, fontStretch);
return(true);
}
}
fontKey = default;
return(false);
}
/// <inheritdoc />
public SKTypeface MatchCharacter(string familyName, int weight, int width, SKFontStyleSlant slant, string[] bcp47, int character)
{
return(_fontManager.MatchCharacter(familyName, weight, width, slant, bcp47, character));
}