Ok, Thanks Igor Alexandre
On 16 Jul 2013, at 06:43, Igor Stasenko <siguc...@gmail.com> wrote: > > > On 15 July 2013 20:05, Alexandre Bergel <alexandre.ber...@me.com> wrote: >> Hi! >> >> Milton, Ronie and I had a very fun programming session. Here some random >> screenshots during our programming session. >> Igor, would it be possible to have in the same window Athens and OpenGL? >> Maybe the question does not make sense, just I prefer the ask. On some point >> we would like to some popup in 2D above a 3D scene. >> > your question makes perfect sense. > sure, you can combine drawings from both of them and blit things together. > The only little problem is that Cairo pixel buffer (surface) is premultiplied > with alpha (R*A, G*A, B*A, A) > while Form is not (RGBA). > And we don't have such blending rule in bitblt to combine pixels of such > formats correctly. > >> All the examples are available on: >> http://smalltalkhub.com/#!/~ronsaldo/roassal3d >> You need to download first NBOpenGL to play with Roassal3d >> >> Cheers, >> Ronie, Milton & Alexandre >> >> -- >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> Alexandre Bergel http://www.bergel.eu >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >> <Screen Shot 2013-07-15 at 2.03.30 PM.png> >> <Screen Shot 2013-07-15 at 1.36.46 PM.png> > > > > -- > Best regards, > Igor Stasenko.
