void OSGDrawingArea::on_realize ()
{
#ifdef DEBUG
std::cout <<"void OSGDrawingArea::on_realize ()<<"<< std::endl;
#endif
Gtk::DrawingArea::on_realize ();
//
// Init glew.
/*klGLEW::instance ()->init ();
if (klGLEW::instance ()->isInitialized ())
KDBG_OUT ("", "GLEW init() succesfully");
else
KDBG_OUT ("", "GLEW init() failed!");*/
if (!beginGL ())
return;
onRealize ();
endGL ();
#ifdef DEBUG
std::cout <<"void OSGDrawingArea::on_realize ()>>"<< std::endl;
#endif
}
// ---------------------------------------------------------------------------
void X11WindowImpl::destroyGLFont()
{
if (beginGL()) {
glDeleteLists(font.listBase + font.firstGlyph, font.nglyph);
delete [] font.widths;
endGL();
}
}
// ---------------------------------------------------------------------------
void X11WindowImpl::initGLFont()
{
if (beginGL()) {
font.nglyph = GL_BITMAP_FONT_COUNT;
font.firstGlyph = GL_BITMAP_FONT_FIRST_GLYPH;
GLuint listBase = glGenLists(font.nglyph);
font.listBase = listBase - font.firstGlyph;
glXUseXFont(factory->xfont, font.firstGlyph, font.nglyph, listBase);
font.widths = new unsigned int[font.nglyph];
for(unsigned int i=0;i<font.nglyph;i++)
font.widths[i] = 9;
endGL(); // Should this be added?
}
}
void OSGDrawingArea::onResizeInternal (Gtk::Allocation& pAllocation)
{
#ifdef DEBUG
//??std::cout <<"void OSGDrawingArea::onResizeInternal (Gtk::Allocation& pAllocation)<<"<< std::endl;
#endif // DEBUG
if (!is_realized ())
return;
if (!beginGL ())
return;
onResize (pAllocation);
endGL ();
#ifdef DEBUG
//??std::cout <<"void OSGDrawingArea::onResizeInternal (Gtk::Allocation& pAllocation)>>"<< std::endl;
#endif // DEBUG
}
bool OSGDrawingArea::on_configure_event (GdkEventConfigure* pEvent)
{
#ifdef DEBUG
//??std::cout <<"bool OSGDrawingArea::on_configure_event (GdkEventConfigure* pEvent)<<"<< std::endl;
#endif
bool lRetVal = Gtk::DrawingArea::on_configure_event (pEvent);
if (!beginGL ())
return lRetVal;
onConfigure (pEvent);
endGL ();
#ifdef DEBUG
//??std::cout <<"bool OSGDrawingArea::on_configure_event (GdkEventConfigure* pEvent)>>"<< std::endl;
#endif
return lRetVal;
}
void initGLBitmapFont(u8 firstGlyph, u8 lastGlyph) {
beginGL();
SelectObject (dcHandle, GetStockObject (SYSTEM_FONT) );
font.nglyph = lastGlyph-firstGlyph+1;
font.widths = new unsigned int [font.nglyph];
GLuint listBase = glGenLists(font.nglyph);
font.firstGlyph = firstGlyph;
font.listBase = listBase - firstGlyph;
GetCharWidth32( dcHandle, font.firstGlyph, lastGlyph, (LPINT) font.widths );
wglUseFontBitmaps(dcHandle, font.firstGlyph, font.nglyph, listBase);
endGL();
}
bool OSGDrawingArea::on_expose_event (GdkEventExpose* pEvent)
{
#ifdef DEBUG
//??std::cout <<"bool OSGDrawingArea::on_expose_event (GdkEventExpose* pEvent)<<"<< std::endl;
#endif // DEBUG
bool lRetVal = Gtk::DrawingArea::on_expose_event (pEvent);
if (!beginGL())
return lRetVal;
onExpose (pEvent);
swapBuffers ();
endGL ();
#ifdef DEBUG
//??std::cout <<"bool OSGDrawingArea::on_expose_event (GdkEventExpose* pEvent)>>"<< std::endl;
#endif // DEBUG
return lRetVal;
}
void destroyGLFont(void) {
beginGL();
glDeleteLists( font.listBase + font.firstGlyph, font.nglyph);
delete [] font.widths;
endGL();
}