Method paintGL

Gui/TimeLineGui.cpp:349–853

typedef std::set<TimeLineKey, TimeLineKey_compare> TimeLineKeysSet;

void
TimeLineGui::paintGL()
{
    if (!_imp->gui) {
        return;
    }
    if ( !appPTR->isOpenGLLoaded() ) {
        return;
    }


    glCheckError();

    {
        double screenPixelRatio = _imp->viewerTab->getViewer()->getScreenPixelRatio();
        if (screenPixelRatio != _imp->_screenPixelRatio) {
            _imp->_screenPixelRatio = screenPixelRatio;
            _imp->_textFont.reset(new QFont(appFont, appFontSize * screenPixelRatio));
        }
    }
    assert(_imp->_textFont);

    SequenceTime leftBound, rightBound;
    {
        QMutexLocker k(&_imp->boundariesMutex);
        leftBound = _imp->leftBoundary;
        rightBound = _imp->rightBoundary;
    }
    const SequenceTime currentTime = _imp->timeline->currentFrame();

    if (_imp->firstPaint) {
        _imp->firstPaint = false;

        if ( (rightBound - leftBound) > 10000 ) {
            centerOn(currentTime - 100, currentTime + 100);
        } else if ( (rightBound - leftBound) < 50 ) {
            centerOn(currentTime - DEFAULT_TIMELINE_LEFT_BOUND, currentTime + DEFAULT_TIMELINE_RIGHT_BOUND);
        } else {
            centerOn(leftBound, rightBound);
        }
    }

    double w = (double)width();
    double h = (double)height();
    //assert(_tlZoomCtx._zoomFactor > 0);
    if (_imp->tlZoomCtx.zoomFactor <= 0) {
        return;
    }
    //assert(_tlZoomCtx._zoomFactor <= 1024);
    double bottom = _imp->tlZoomCtx.bottom;
    double left = _imp->tlZoomCtx.left;
    double top = bottom +  h / (double)_imp->tlZoomCtx.zoomFactor;
    double right = left +  (w / (double)_imp->tlZoomCtx.zoomFactor);
    double clearR, clearG, clearB;
    SettingsPtr settings = appPTR->getCurrentSettings();
    settings->getTimelineBGColor(&clearR, &clearG, &clearB);

    if ( (left == right) || (top == bottom) ) {