Re: [PATCH v6 0/5] MR4661: Draft: gdiplus: Implement Gdiplus effects

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/gdiplus/image.c:
> - }
> - else if (IsEqualGUID(&guid, &LevelsEffectGuid))
> - {
> -
>    ef->type = LevelsEffect;
> - }
> - else if (IsEqualGUID(&guid, &ColorCurveEffectGuid))
> - {
> -
>    ef->type = ColorCurveEffect;
> - }
> - else
> - {
> -
>    ef->type = NoneEffect;
> -
>    status = Win32Error;
> - }
> -
> - *effect = (CGpEffect *)ef;

Why not just define `struct CGpEffect` with our private structure as we do with other types?