/// <summary>
/// Create
/// <see cref="FontSelector"/>
/// or get from cache.
/// </summary>
/// <param name="fontFamilies">target font families</param>
/// <param name="fc">
/// instance of
/// <see cref="FontCharacteristics"/>
/// .
/// </param>
/// <param name="tempFonts">set of temporary fonts.</param>
/// <returns>
/// an instance of
/// <see cref="FontSelector"/>
/// .
/// </returns>
/// <seealso cref="CreateFontSelector(System.Collections.Generic.ICollection{E}, System.Collections.Generic.IList{E}, FontCharacteristics)
/// ">}</seealso>
public FontSelector GetFontSelector(IList <String> fontFamilies, FontCharacteristics fc, FontSet tempFonts)
{
FontSelectorKey key = new FontSelectorKey(fontFamilies, fc);
FontSelector fontSelector = fontSelectorCache.Get(key, tempFonts);
if (fontSelector == null)
{
fontSelector = CreateFontSelector(fontSet.GetFonts(tempFonts), fontFamilies, fc);
fontSelectorCache.Put(key, fontSelector, tempFonts);
}
return(fontSelector);
}
internal virtual void Put(FontSelectorKey key, FontSelector fontSelector, FontSet fontSet)
{
if (fontSet == null)
{
Put(key, fontSelector);
}
else
{
FontSelectorCache.FontSetSelectors selectors = caches.Get(fontSet.GetId());
if (selectors == null)
{
caches.Put(fontSet.GetId(), selectors = new FontSelectorCache.FontSetSelectors());
}
//update selectors and defaultSelectors to reset counter before pushing if needed.
Update(selectors, fontSet);
selectors.map.Put(key, fontSelector);
}
}
internal virtual FontSelector Get(FontSelectorKey key, FontSet fontSet)
{
if (fontSet == null)
{
return(Get(key));
}
else
{
FontSelectorCache.FontSetSelectors selectors = caches.Get(fontSet.GetId());
if (selectors == null)
{
caches.Put(fontSet.GetId(), selectors = new FontSelectorCache.FontSetSelectors());
}
if (Update(selectors, fontSet))
{
return(null);
}
else
{
return(selectors.map.Get(key));
}
}
}
internal virtual void Put(FontSelectorKey key, FontSelector fontSelector)
{
//update defaultSelectors to reset counter before pushing if needed.
Update(null, null);
defaultSelectors.map.Put(key, fontSelector);
}
