private CanonicalFontFamilyReference GetCanonicalReference(int startIndex, int length)
{
string normalizedString = Util.GetNormalizedFontFamilyReference(_friendlyName, startIndex, length);
// For caching normalized names, we use a different type of key which does not compare equal
// to the keys we used for caching friendly names.
BasedNormalizedName hashKey = new BasedNormalizedName(_baseUri, normalizedString);
// Look up the normalized string and base URI in the cache?
CanonicalFontFamilyReference canonicalReference = TypefaceMetricsCache.ReadonlyLookup(hashKey) as CanonicalFontFamilyReference;
// Do we already have a cached font family reference?
if (canonicalReference == null)
{
// Not in cache. Construct a new font family reference.
canonicalReference = CanonicalFontFamilyReference.Create(_baseUri, normalizedString);
// Add it to the cache.
TypefaceMetricsCache.Add(hashKey, canonicalReference);
}
return(canonicalReference);
}
private CanonicalFontFamilyReference GetCanonicalReference(int startIndex, int length)
{
string normalizedString = Util.GetNormalizedFontFamilyReference(_friendlyName, startIndex, length);
// For caching normalized names, we use a different type of key which does not compare equal
// to the keys we used for caching friendly names.
BasedNormalizedName hashKey = new BasedNormalizedName(_baseUri, normalizedString);
// Look up the normalized string and base URI in the cache?
CanonicalFontFamilyReference canonicalReference = TypefaceMetricsCache.ReadonlyLookup(hashKey) as CanonicalFontFamilyReference;
// Do we already have a cached font family reference?
if (canonicalReference == null)
{
// Not in cache. Construct a new font family reference.
canonicalReference = CanonicalFontFamilyReference.Create(_baseUri, normalizedString);
// Add it to the cache.
TypefaceMetricsCache.Add(hashKey, canonicalReference);
}
return canonicalReference;
}
