/// <summary>
/// Initializes a new instance of the <see cref="CMapCache"/> class.
/// </summary>
/// <remarks>
/// Like all other caches, this one will be destroyed with the cache manager.
/// </remarks>
/// <param name="manager">A handle to the cache manager.</param>
public CMapCache(Manager manager)
{
IntPtr cacheRef;
Error err = FT.FTC_CMapCache_New(manager.Reference, out cacheRef);
if (err != Error.Ok)
throw new FreeTypeException(err);
Reference = cacheRef;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImageCache"/> class.
/// </summary>
/// <param name="manager">The parent manager for the image cache.</param>
public ImageCache(Manager manager)
{
if (manager == null)
throw new ArgumentNullException("manager");
IntPtr cacheRef;
Error err = FT.FTC_ImageCache_New(manager.Reference, out cacheRef);
if (err != Error.Ok)
throw new FreeTypeException(err);
parentManager = manager;
Reference = cacheRef;
}
/// <summary>
/// Decrement a cache node's internal reference count. When the count reaches 0, it is not destroyed but
/// becomes eligible for subsequent cache flushes.
/// </summary>
/// <param name="manager">The cache manager handle.</param>
public void Unref(Manager manager)
{
FT.FTC_Node_Unref(Reference, manager.Reference);
}
internal void RemoveChildManager(Manager child)
{
childManagers.Remove(child);
}
internal void AddChildManager(Manager child)
{
childManagers.Add(child);
}