private static IntPtr Create(IntPtr data, int length, MemoryMode mode, object context, ReleaseDelegate releaseProc)
{
var del = releaseProc != null && context != null
? new ReleaseDelegate((_) => releaseProc(context))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.ReleaseDelegateProxy, out _, out var ctx);
return(HarfBuzzApi.hb_blob_create(data, length, mode, ctx, proxy));
}
private static IntPtr Create(IntPtr data, int length, MemoryMode mode, object context, ReleaseDelegate 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, DestroyFunction.NativePointer));
}
}
private static IntPtr Create(IntPtr data, uint length, MemoryMode mode, object user_data, BlobReleaseDelegate releaseProc)
{
if (releaseProc == null)
{
return(HarfBuzzApi.hb_blob_create(data, length, mode, IntPtr.Zero, IntPtr.Zero));
}
else
{
var ctx = new NativeDelegateContext(user_data, releaseProc);
return(HarfBuzzApi.hb_blob_create(data, length, mode, ctx.NativeContext, destroy_func));
}
}
private static IntPtr Create(IntPtr data, int length, MemoryMode mode, ReleaseDelegate releaseProc)
{
var proxy = DelegateProxies.Create(releaseProc, DelegateProxies.ReleaseDelegateProxy, out _, out var ctx);
return(HarfBuzzApi.hb_blob_create(data, length, mode, ctx, proxy));
}
