public Blob(IntPtr data, uint length, MemoryMode mode, object userData, BlobReleaseDelegate releaseDelegate)
: this(data, (int)length, mode, userData, releaseDelegate)
{
}
private static IntPtr Create(IntPtr data, int length, MemoryMode mode, object context, BlobReleaseDelegate releaseProc)
{
if (releaseProc == null)
{
return(HarfBuzzApi.hb_blob_create(data, length, mode, IntPtr.Zero, IntPtr.Zero));
}
else
{
var ctx = new NativeDelegateContext(context, releaseProc);
return(HarfBuzzApi.hb_blob_create(data, length, mode, ctx.NativeContext, destroy_func));
}
}
public Blob(IntPtr data, int length, MemoryMode mode, object userData, BlobReleaseDelegate releaseDelegate)
: this(Create(data, length, mode, userData, new ReleaseDelegate(releaseDelegate)))
{
}
public Blob(IntPtr data, uint length, MemoryMode mode, object userData, BlobReleaseDelegate releaseDelegate)
: this(data, (int)length, mode, () => releaseDelegate?.Invoke(userData))
{
}
