Re: [2/3] gdiplus: If a 32-bit dib is selected in an hdc, use the dib directly.

[Vincent Povirk]

> you won't get a negative height with GetObject,

Hmm, is GdipCreateBitmapFromHBITMAP doing it right, then? It assumes
all DIB objects have positive stride.
> you won't get DIB info at all for DDBs.

I don't think it makes sense to do this for DDBs, as I can't draw them
directly and don't expect them to have alpha information.
> Also not all DIBs are in PARGB format.

I'll test whether native cares.