Re: [PATCH 0/2] MR6401: uxtheme: Optimize drawing by avoiding unneeded TransparentBlt().

[Zhiyi Zhang (＠zhiyi)]

Zhiyi Zhang (@zhiyi) commented about dlls/uxtheme/msstyles.h:
> WCHAR name[MAX_PATH];
>      HBITMAP image;
>      BOOL hasAlpha;
> +    BOOL has_default_transparent_colour;

Let's use bitfields for hasAlpha and hasDefaultTransparentColour.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6401#note_80846