internal void Canonicalize()
{
if (_canonicalReferences != null)
{
return;
}
int count = this.Count;
if (count == 0)
{
return;
}
// First look up the entire friendly name in the cache; this may enable us to
// save working set by sharing the same array of may equal FontFamilyIdentifier.
BasedFriendlyName hashKey = new BasedFriendlyName(_baseUri, _friendlyName);
CanonicalFontFamilyReference[] canonicalReferences = TypefaceMetricsCache.ReadonlyLookup(hashKey) as CanonicalFontFamilyReference[];
if (canonicalReferences == null)
{
// We need to construct a new array.
canonicalReferences = new CanonicalFontFamilyReference[count];
// Add the first canonical family reference.
int i, length;
int j = FindToken(_friendlyName, 0, out i, out length);
canonicalReferences[0] = GetCanonicalReference(i, length);
// Add subsequent family references.
for (int k = 1; k < count; ++k)
{
j = FindToken(_friendlyName, j, out i, out length);
canonicalReferences[k] = GetCanonicalReference(i, length);
}
// Add the array to the cache.
TypefaceMetricsCache.Add(hashKey, canonicalReferences);
}
// for thread safety, we assign to the field only after the array is fully initialized
_canonicalReferences = canonicalReferences;
}
internal void Canonicalize()
{
if (_canonicalReferences != null)
return;
int count = this.Count;
if (count == 0)
return;
// First look up the entire friendly name in the cache; this may enable us to
// save working set by sharing the same array of may equal FontFamilyIdentifier.
BasedFriendlyName hashKey = new BasedFriendlyName(_baseUri, _friendlyName);
CanonicalFontFamilyReference[] canonicalReferences = TypefaceMetricsCache.ReadonlyLookup(hashKey) as CanonicalFontFamilyReference[];
if (canonicalReferences == null)
{
// We need to construct a new array.
canonicalReferences = new CanonicalFontFamilyReference[count];
// Add the first canonical family reference.
int i, length;
int j = FindToken(_friendlyName, 0, out i, out length);
canonicalReferences[0] = GetCanonicalReference(i, length);
// Add subsequent family references.
for (int k = 1; k < count; ++k)
{
j = FindToken(_friendlyName, j, out i, out length);
canonicalReferences[k] = GetCanonicalReference(i, length);
}
// Add the array to the cache.
TypefaceMetricsCache.Add(hashKey, canonicalReferences);
}
// for thread safety, we assign to the field only after the array is fully initialized
_canonicalReferences = canonicalReferences;
}
