void MyExaminerViewer::actualRedraw()
{
// Must set up the OpenGL viewport manually, as upon resize
// operations, Coin won't set it up until the SoGLRenderAction is
// applied again. And since we need to do glClear() before applying
// the action..
const SbViewportRegion vp = this->getViewportRegion();
SbVec2s origin = vp.getViewportOriginPixels();
SbVec2s size = vp.getViewportSizePixels();
glViewport(origin[0], origin[1], size[0], size[1]);
const SbColor col = this->getBackgroundColor();
glClearColor(col[0], col[1], col[2], 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Render our scenegraph with the image.
SoGLRenderAction * glra = this->getGLRenderAction();
glra->apply(this->bckgroundroot);
// Render normal scenegraph.
SoQtExaminerViewer::actualRedraw();
// Increase arrow angle with 1/1000 every frame.
// arrowrotation->angle = arrowrotation->angle.getValue() + (0.001 / M_PI * 180);
// Render overlay front scenegraph.
glClear(GL_DEPTH_BUFFER_BIT);
glra->apply(this->foregroundroot);
}
/*!
Empty method in Coin. Can be used by subclasses to be told
when status change.
*/
void
SoFCSelection::redrawHighlighted(SoAction * action , SbBool doHighlight )
{
//Base::Console().Log("SoFCSelection::redrawHighlighted() (%p) doHigh=%d \n",this,doHighlight?1:0);
#ifdef NO_FRONTBUFFER
#else
// If we are about to highlight, and there is something else highlighted,
// that something else needs to unhighlight.
if (doHighlight && currenthighlight != NULL &&
!(*((SoFullPath *)action->getCurPath()) == *currenthighlight)) {
SoNode *tail = currenthighlight->getTail();
if (tail->isOfType( SoFCSelection::getClassTypeId()))
((SoFCSelection *)tail)->redrawHighlighted(action, FALSE);
else {
// Just get rid of the path. It's no longer valid for redraw.
currenthighlight->unref();
currenthighlight = NULL;
}
}
SoPath *pathToRender;
// save the path to ourself for later de-highlight
if (doHighlight) {
if (currenthighlight != NULL)
currenthighlight->unref();
currenthighlight = (SoFullPath *) action->getCurPath()->copy();
currenthighlight->ref();
// We will be rendering this new path to highlight it
pathToRender = currenthighlight;
pathToRender->ref();
}
// delete our path if we are no longer highlighted
else {
if (currenthighlight) {
// We will be rendering this old path to unhighlight it
pathToRender = currenthighlight;
pathToRender->ref();
currenthighlight->unref();
currenthighlight = NULL;
}
}
// If highlighting is forced on for this node, we don't need this special render.
if (highlightMode.getValue() != AUTO) {
pathToRender->unref();
return;
}
SoState *state = action->getState();
//void* window;
//void* context;
//void *display;
QGLWidget* window;
SoGLRenderAction *glAction;
//SoWindowElement::get(state, window, context, display, glAction);
SoGLWidgetElement::get(state, window);
SoGLRenderActionElement::get(state, glAction);
// If we don't have a current window, then simply return...
if (window == 0 /*|| context == NULL || display == NULL*/ || glAction == NULL)
return;
window->makeCurrent();
#ifndef WIN32
// set the current window
//glXMakeCurrent(display, window, context);
#endif
// render into the front buffer (save the current buffering type)
GLint whichBuffer;
glGetIntegerv(GL_DRAW_BUFFER, &whichBuffer);
if (whichBuffer != GL_FRONT)
glDrawBuffer(GL_FRONT);
highlighted = TRUE;
glAction->apply(pathToRender);
highlighted = FALSE;
// restore the buffering type
if (whichBuffer != GL_FRONT)
glDrawBuffer((GLenum)whichBuffer);
glFlush();
pathToRender->unref();
#endif
}
