Method getKeyframeRange

Gui/DopeSheetView.cpp:2621–2681

}

std::pair<double, double> DopeSheetView::getKeyframeRange() const
{
    std::pair<double, double> ret;
    std::vector<double> dimFirstKeys;
    std::vector<double> dimLastKeys;
    DSTreeItemNodeMap dsNodeItems = _imp->model->getItemNodeMap();

    for (DSTreeItemNodeMap::const_iterator it = dsNodeItems.begin(); it != dsNodeItems.end(); ++it) {
        if ( (*it).first->isHidden() ) {
            continue;
        }

        const DSNodePtr& dsNode = (*it).second;
        const DSTreeItemKnobMap& dsKnobItems = dsNode->getItemKnobMap();

        for (DSTreeItemKnobMap::const_iterator itKnob = dsKnobItems.begin(); itKnob != dsKnobItems.end(); ++itKnob) {
            if ( (*itKnob).first->isHidden() ) {
                continue;
            }

            const DSKnobPtr& dsKnob = (*itKnob).second;

            for (int i = 0; i < dsKnob->getKnobGui()->getKnob()->getDimension(); ++i) {
                KeyFrameSet keyframes = dsKnob->getKnobGui()->getCurve(ViewIdx(0), i)->getKeyFrames_mt_safe();

                if ( keyframes.empty() ) {
                    continue;
                }

                dimFirstKeys.push_back( keyframes.begin()->getTime() );
                dimLastKeys.push_back( keyframes.rbegin()->getTime() );
            }
        }

        // Also append the range of the clip if this is a Reader/Group/Time node
        std::map<DSNode *, FrameRange >::const_iterator foundRange = _imp->nodeRanges.find( dsNode.get() );
        if ( foundRange != _imp->nodeRanges.end() ) {
            const FrameRange& range = foundRange->second;
            if ( !dimFirstKeys.empty() ) {
                dimFirstKeys[0] = range.first;
            } else {
                dimFirstKeys.push_back(range.first);
            }
            if ( !dimLastKeys.empty() ) {
                dimLastKeys[0] = range.second;
            } else {
                dimLastKeys.push_back(range.second);
            }
        }
    }

    if ( dimFirstKeys.empty() || dimLastKeys.empty() ) {
        ret.first = 0;
        ret.second = 0;
    } else {
        ret.first = *std::min_element( dimFirstKeys.begin(), dimFirstKeys.end() );
        ret.second = *std::max_element( dimLastKeys.begin(), dimLastKeys.end() );
    }