rectangle with transparency

[Armel]

"Robin Dunn" <robin at alldunn.com> a écrit dans le message de news: 
mailman.18.1210005791.27688.wx-users at lists.wxwidgets.org...
> Vadim Zeitlin wrote:
>> On Mon, 5 May 2008 08:11:03 +0200 Armel <armelasselin at hotmail.com> wrote:
>>
>> A> > wxGraphicsContext should handle this (although I didn't try it 
>> myself).
>> A> could you be more specific ? I found nothing related to alpha in trunk 
>> in A> wx/graphics.h (apart from a #if 0 "Set/GetAlpha" functions pair).
>>
>>  As I said, I didn't test it but normally you should just create a
>> wxGraphicsBrush using a colour with alpha component and painting with it
>> should work as expected.
>
> You can also use wxGCDC (wxDC API using wxGraphicsContext underneath) and 
> set the alpha component in the wxColor objects you pass to wxPen or 
> wxBrush.
do I need the very latest 2.9.x or 2.8.7 would be enough?

Best regards
Armel