[Moose-dev] Re: SourceCity

Thanks Igor. In the code: I have changed the 0 for 0.5 or 1 and it works as expected. 0 is apparently for full transparency, so the behavior I got is rather normal. Although it is strange I am the only one to experience this. Cheers, Alexandre On Jun 5, 2013, at 7:39 AM, Igor Stasenko &lt;siguctua(a)gmail.com&gt; wrote: > > > On 4 June 2013 17:52, Alexandre Bergel &lt;alexandre.bergel(a)me.com&gt; wrote: > Yeah! > It works (I guess). I had to use the right VM also. > > I obtain the attached screenshot. Apparently the background is not updated. Is this intended in your example? > > Seems so.. an opengl buffer is cleared by fully transparent color: > > then, when resulting image transferred back to Display form, > it only changes the pixels which is affected, but fully transparent ones will keep background unchanged. > The solution is to use opaque color(s) in opengl buffer, > or clear background by morph, before copying pixels from opengl buffer. > > > Cheers, > Alexandre > > <Screen Shot 2013-06-04 at 11.51.13 AM.png> > > On Jun 4, 2013, at 9:49 AM, Erwan Douaille &lt;douailleerwan(a)gmail.com&gt; wrote: > >> I attached a quick demo >> >> GLTest new openInWorld >> >> >> 2013/6/4 Alexandre Bergel &lt;alexandre.bergel(a)me.com&gt; >> Hi Igor, >> >> Thanks for your help. >> Unfortunately, I do not have much time to dive in the implementation. A student is asking me how he can use OpenGL in Pharo. I would like to give him a simple starting point >> >> What would be a simple piece of code that simply open a cube on the screen? I cannot ask him to go and study SourceCity or the implementation of NBOpenGL. He barely knows Smalltalk but he is very smart. >> >> So, how to show a cube on the screen please? >> >> Cheers, >> Alexandre >> >> >> On Jun 4, 2013, at 4:32 AM, Igor Stasenko &lt;siguctua(a)gmail.com&gt; wrote: >> >> > On 3 June 2013 21:06, Alexandre Bergel &lt;alexandre.bergel(a)me.com&gt; wrote: >> >> How can I make sure that OpenGL works on my machine? >> > >> > You don't. It just works. >> > >> > The problem is that different hardware has different features supported. >> > During initialization of context i checking + asking for some capabilities. >> > Looks like your machine does not supports them fully, or >> > initialization logic is flawed.. >> > Did you tried to use latest config of NBOpenGL on your machine? >> > >> >> What would be the hello world example in OpenGL in Pharo? >> >> >> > >> > Anything which shows on screen, like drawing a triangle. >> > >> >> Cheers, >> >> Alexandre >> > >> >> On Jun 3, 2013, at 7:27 AM, Igor Stasenko &lt;siguctua(a)gmail.com&gt; wrote: >> >> >> >>> On 3 June 2013 05:18, Alexandre Bergel &lt;alexandre.bergel(a)me.com&gt; wrote: >> >>>> Osx 10.8.3 >> >>>> >> >>>> Alexandre >> >>>> >> >>> >> >>> It is strange. >> >>> I checked things lately, NBOpenGL works fine on macs. >> >>> But i seend that source city code has some modifications. Maybe that >> >>> is the problem. >> >>> >> >>>> On Jun 2, 2013, at 10:29 PM, Igor Stasenko &lt;siguctua(a)gmail.com&gt; wrote: >> >>>> >> >>>>> On 3 June 2013 00:59, Alexandre Bergel &lt;alexandre.bergel(a)me.com&gt; wrote: >> >>>>>> Where are such examples? >> >>>>>> How can I try an example of OpenGl on my macbook? >> >>>>>> >> >>>>>> I've tried to execute "SourceCityGL new" and I got an error "No suitable implementation found for initializing OpenGL context for your platform". No idea why I got this. I have the same error when I try "GLTTRenderingDemo new" >> >>>>>> >> >>>>>> I am using Pharo 1.4 Summer. Do I have to install some libraries somewhere? I guess I have OpenGl installed on my mac. >> >>>>> >> >>>>> What OS version you running? >> >>>>> >> >>>>>> >> >>>>>> Cheers, >> >>>>>> Alexandre >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> On Jun 2, 2013, at 6:02 PM, Erwan Douaille &lt;douailleerwan(a)gmail.com&gt; wrote: >> >>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> 2013/6/2 Erwan Douaille &lt;douailleerwan(a)gmail.com&gt; >> >>>>>>> it's okay, it happens since 2.0, just proceed >> >>>>>>> >> >>>>>>> >> >>>>>>> 2013/6/2 Stephan Eggermont &lt;stephan(a)stack.nl&gt; >> >>>>>>>> This package depends on the following classes: >> >>>>>>>> TTFontReader >> >>>>>>>> TTFontDescription >> >>>>>>>> TTGlyph >> >>>>>>> >> >>>>>>> And you will not be able to launch NBOpenGL examples. (Ask Igor about that stuff) >> >>>>>>> Maybe you should try it on pharo 1.4 >> >>>>>>> Which configuration to use? >> >>>>>>> (In Moose 4.8) >> >>>>>>> >> >>>>>>> Stephan >> >>>>>>> _______________________________________________ >> >>>>>>> Moose-dev mailing list >> >>>>>>> Moose-dev(a)iam.unibe.ch >> >>>>>>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev >> >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> -- >> >>>>>>> Best regards, >> >>>>>>> >> >>>>>>> Douaille Erwan &lt;douaille.erwan(a)gmail.com&gt; >> >>>>>>> >> >>>>>>> >> >>>>>>> >> >>>>>>> -- >> >>>>>>> Best regards, >> >>>>>>> >> >>>>>>> Douaille Erwan &lt;douaille.erwan(a)gmail.com&gt; >> >>>>>>> _______________________________________________ >> >>>>>>> Moose-dev mailing list >> >>>>>>> Moose-dev(a)iam.unibe.ch >> >>>>>>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev >> >>>>>> >> >>>>>> -- >> >>>>>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> >>>>>> Alexandre Bergel http://www.bergel.eu >> >>>>>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> -- >> >>>>> Best regards, >> >>>>> Igor Stasenko. >> >>>> >> >>>> -- >> >>>> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> >>>> Alexandre Bergel http://www.bergel.eu >> >>>> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >>>> >> >>>> >> >>>> >> >>> >> >>> >> >>> >> >>> -- >> >>> Best regards, >> >>> Igor Stasenko. >> >> >> >> -- >> >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> >> Alexandre Bergel http://www.bergel.eu >> >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >> >> >> >> >> >> > >> > >> > >> > -- >> > Best regards, >> > Igor Stasenko. >> >> -- >> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: >> Alexandre Bergel http://www.bergel.eu >> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. >> >> >> >> >> _______________________________________________ >> Moose-dev mailing list >> Moose-dev(a)iam.unibe.ch >> https://www.iam.unibe.ch/mailman/listinfo/moose-dev >> >> >> >> -- >> Best regards, >> >> Douaille Erwan &lt;douaille.erwan(a)gmail.com&gt; >> <GLTest.st>_______________________________________________ >> >> Moose-dev mailing list >> Moose-dev(a)iam.unibe.ch >> https://www.iam.unibe.ch/mailman/listinfo/moose-dev > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > > > > -- > Best regards, > Igor Stasenko. -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.