[Qt-jambi-interest] QGLwidget.renderText(...) hangs my app

[Gunnar Sletta]

moebius at altern.org wrote:
> Hi everybody,
> 
> I'm currently experimenting a quite strange problem.
> 
> I've subclassed a QGLWidget to make my own 3D viewer. I use JOGL as
> rendering engine as described in HelloGL example. Everything goes fine
> excepted for displaying some text into my 3D view.
> 
> The problematic code is :
> glColor3f(1.0f, 1.0f, 1.0f);
> renderText(0.0, 0.0, 1.0, new String("Z"), font);

Hi,

I added this small diff to the HelloGL example that we have and it runs 
fine on my machine. Are you doing your GL code as part of the virtual 
paintGL() or somewhere else?

==== //depot/qtjambi/4.4.0_01/com/trolltech/demos/HelloGL.java#1 - 
c:\depot\qtjambi-4.4.0_01\com\trolltech\demos\HelloGL.java ====
@@ -131,6 +131,10 @@
          func.glRotated(yRot / 16.0, 0.0, 1.0, 0.0);
          func.glRotated(zRot / 16.0, 0.0, 0.0, 1.0);
          func.glCallList(object);
+
+        func.glLoadIdentity();
+        func.glColor3f(1, 1, 1);
+        renderText(50, 50, "RandomFoo!!!");
      }

      @Override