Hello Keyan,
On 08/14/2012 03:00 PM, Keyan wrote:
> I tried google and surfing the source-code, but I can't get a hello world
> printed, when using the SimpleTextForeground. Here is my code:
>
> _pwin = OSG::PassiveWindow::create();
> _osd = SimpleTextForeground::createEmpty();
createEmpty() is for when you want to create an object that is not
cloned from the prototype for that type - it's only for special
purposes, mostly creation of the prototype instance itself, and should
only be used when really needed.
> _osd->setSize(25.0);
> _osd->setColor(Color4f(0.5, 0.5, 0.5, 0.5));
> _osd->setFamily("Helvetica");
> _osd->setHorizontalAlign(2);
> _osd->setVerticalAlign(0);
>
> _osd->addLine("hello world");
> _pwin->getPort(0)->editMFForegrounds()->push_back(_fileGrabber);
you are adding _fileGrabber not _osd to the window. Typo?
> The source compiles and runs, but there is no text visible. I also tried it
> with the SimpleSceneManager, using the provided addForeground function, which
> also didn't work.
Just to be sure, you are not creating an OpenGL 3+ core only context -
or have set OSG_OGL_COREONLY or OSG_CHECK_COREONLY compile time options?
Does text rendering with e.g. testTextTXFTexture work? Does it list the
font you are using for the foreground?
Cheers,
Carsten
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