Method drawSelectedMarkerKeyframes

Engine/TrackerNodeInteract.cpp:644–850

}

void
TrackerNodeInteract::drawSelectedMarkerKeyframes(const std::pair<double, double>& pixelScale,
                                                 int currentTime)
{
    TrackMarkerPtr marker = selectedMarker.lock();

    assert(marker);
    if (!marker) {
        return;
    }
    if ( !marker->isEnabled(currentTime) ) {
        return;
    }

    OverlaySupport* overlay = _p->publicInterface->getCurrentViewportForOverlays();
    assert(overlay);

    double overlayColor[3];
    if ( !_p->publicInterface->getNode()->getOverlayColor(&overlayColor[0], &overlayColor[1], &overlayColor[2]) ) {
        overlayColor[0] = overlayColor[1] = overlayColor[2] = 0.8;
    }

    boost::shared_ptr<KnobDouble> centerKnob = marker->getCenterKnob();
    boost::shared_ptr<KnobDouble> offsetKnob = marker->getOffsetKnob();
    boost::shared_ptr<KnobDouble> errorKnob = marker->getErrorKnob();
    boost::shared_ptr<KnobDouble> ptnTopLeft = marker->getPatternTopLeftKnob();
    boost::shared_ptr<KnobDouble> ptnTopRight = marker->getPatternTopRightKnob();
    boost::shared_ptr<KnobDouble> ptnBtmRight = marker->getPatternBtmRightKnob();
    boost::shared_ptr<KnobDouble> ptnBtmLeft = marker->getPatternBtmLeftKnob();
    boost::shared_ptr<KnobDouble> searchWndBtmLeft = marker->getSearchWindowBottomLeftKnob();
    boost::shared_ptr<KnobDouble> searchWndTopRight = marker->getSearchWindowTopRightKnob();
    int fontHeight = overlay->getWidgetFontHeight();

    int selectedMarkerWidth = magWindowPxSizeKnob.lock()->getValue();
    double xOffsetPixels = selectedMarkerWidth;
    QPointF viewerTopLeftCanonical = overlay->toCanonicalCoordinates( QPointF(0, 0.) );


    for (TrackKeysMap::iterator it = trackTextures.begin(); it != trackTextures.end(); ++it) {
        if (it->first.lock() == marker) {
            if ( it->second.empty() ) {
                break;
            }
            ///Render at most MAX_TRACK_KEYS_TO_DISPLAY keyframes
            KeyFrameTexIDs keysToRender = getKeysToRenderForMarker(currentTime, it->second);

            for (KeyFrameTexIDs::const_iterator it2 = keysToRender.begin(); it2 != keysToRender.end(); ++it2) {
                double time = (double)it2->first;
                Point offset, center, topLeft, topRight, btmRight, btmLeft;

                center.x = centerKnob->getValueAtTime(time, 0);
                center.y = centerKnob->getValueAtTime(time, 1);
                offset.x = offsetKnob->getValueAtTime(time, 0);
                offset.y = offsetKnob->getValueAtTime(time, 1);

                topLeft.x = ptnTopLeft->getValueAtTime(time, 0) + offset.x + center.x;
                topLeft.y = ptnTopLeft->getValueAtTime(time, 1) + offset.y + center.y;