Method drawKeyframes

Gui/DopeSheetView.cpp:1282–1436

* @brief DopeSheetViewPrivate::drawKeyframes * * */

 *
 */
void
DopeSheetViewPrivate::drawKeyframes(const DSNodePtr &dsNode) const
{
    running_in_main_thread_and_context(q_ptr);

    SettingsPtr settings = appPTR->getCurrentSettings();
    double selectionColorRGB[3];
    settings->getSelectionColor(&selectionColorRGB[0], &selectionColorRGB[1], &selectionColorRGB[2]);
    QColor selectionColor;
    selectionColor.setRgbF(selectionColorRGB[0], selectionColorRGB[1], selectionColorRGB[2]);

    // Perform drawing
    {
        GLProtectAttrib a(GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_ENABLE_BIT);

        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

        const DSTreeItemKnobMap& knobItems = dsNode->getItemKnobMap();
        double kfTimeSelected;
        int hasSingleKfTimeSelected = model->getSelectionModel()->hasSingleKeyFrameTimeSelected(&kfTimeSelected);
        std::map<double, bool> nodeKeytimes;
        std::map<DSKnob *, std::map<double, bool> > knobsKeytimes;

        for (DSTreeItemKnobMap::const_iterator it = knobItems.begin();
             it != knobItems.end();
             ++it) {
            DSKnobPtr dsKnob = (*it).second;
            QTreeWidgetItem *knobTreeItem = dsKnob->getTreeItem();

            // The knob is no longer animated
            if ( knobTreeItem->isHidden() ) {
                continue;
            }

            int dim = dsKnob->getDimension();

            if (dim == -1) {
                continue;
            }

            KeyFrameSet keyframes = dsKnob->getKnobGui()->getCurve(ViewIdx(0), dim)->getKeyFrames_mt_safe();

            for (KeyFrameSet::const_iterator kIt = keyframes.begin();
                 kIt != keyframes.end();
                 ++kIt) {
                KeyFrame kf = (*kIt);
                double keyTime = kf.getTime();

                // Clip keyframes horizontally //TODO Clip vertically too
                if ( ( keyTime < zoomContext.left() ) || ( keyTime > zoomContext.right() ) ) {
                    continue;
                }

                double rowCenterYWidget = hierarchyView->visualItemRect( dsKnob->getTreeItem() ).center().y();
                RectD zoomKfRect = getKeyFrameBoundingRectZoomCoords(keyTime, rowCenterYWidget);
                bool kfSelected = model->getSelectionModel()->keyframeIsSelected(dsKnob, kf);