C++ KnobChoicePtr::getValue方法代码示例

void
KnobGuiChoice::updateGUI(int /*dimension*/)
{
    ///we don't use setCurrentIndex because the signal emitted by combobox will call onCurrentIndexChanged and
    ///change the internal value of the knob again...
    ///The slot connected to onCurrentIndexChanged is reserved to catch user interaction with the combobox.
    ///This function is called in response to an internal change.
    KnobChoicePtr knob = _knob.lock();
    std::string activeEntry = knob->getActiveEntryText_mt_safe();

    if ( !activeEntry.empty() ) {
        bool activeIndexPresent = knob->isActiveEntryPresentInEntries();
        if (!activeIndexPresent) {
            QString error = tr("The value set to this parameter no longer exist in the menu. Right click and press Refresh Menu to update the menu and then pick a new value.");
            setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, GuiUtils::convertFromPlainText(error, Qt::WhiteSpaceNormal) );
        } else {
            setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
        }
    }
    if ( _comboBox->isCascading() || activeEntry.empty() ) {
        _comboBox->setCurrentIndex_no_emit( knob->getValue() );
    } else {
        _comboBox->setCurrentText( QString::fromUtf8( activeEntry.c_str() ) );
    }
}

void
KnobGuiChoice::onCurrentIndexChanged(int i)
{
    KnobGuiPtr knobUI = getKnobGui();
    knobUI->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
    KnobChoicePtr knob = _knob.lock();
    if (!knob) {
        return;
    }
    knobUI->pushUndoCommand( new KnobUndoCommand<int>(knob, knob->getValue(DimIdx(0), getView()), i, DimIdx(0), getView()));
}

void
ViewerNodePrivate::toggleDownscaleLevel(int index)
{
    assert(index > 0);
    KnobChoicePtr downscaleChoice = downscaleChoiceKnob.lock();
    int curChoice_i = downscaleChoice->getValue();
    if (curChoice_i != index) {
        downscaleChoice->setValue(index);
    } else {
        // Reset back to auto
        downscaleChoice->setValue(0);
    }
}

FramesNeededMap
OneViewNode::getFramesNeeded(double time,
                             ViewIdx /*view*/)
{
    FramesNeededMap ret;
    FrameRangesMap& rangeMap = ret[0];
    KnobChoicePtr viewKnob = _imp->viewKnob.lock();
    int view_i = viewKnob->getValue();
    std::vector<RangeD>& ranges = rangeMap[ViewIdx(view_i)];

    ranges.resize(1);
    ranges[0].min = ranges[0].max = time;

    return ret;
}

void
KnobGuiChoice::onEntryAppended(const QString& entry,
                               const QString& help)
{
    KnobChoicePtr knob = _knob.lock();

    if ( knob->getHostCanAddOptions() &&
         ( ( knob->getName() == kNatronOfxParamOutputChannels) || ( knob->getName() == kOutputChannelsKnobName) ) ) {
        _comboBox->insertItem(_comboBox->count() - 1, entry, QIcon(), QKeySequence(), help);
    } else {
        _comboBox->addItem(entry, QIcon(), QKeySequence(), help);
    }
    int activeIndex = knob->getValue();
    if (activeIndex >= 0) {
        _comboBox->setCurrentIndex_no_emit(activeIndex);
    } else {
        _comboBox->setCurrentText( QString::fromUtf8( knob->getActiveEntryText_mt_safe().c_str() ) );
    }
}

void
KnobGuiChoice::updateGUI()
{
    ///we don't use setCurrentIndex because the signal emitted by combobox will call onCurrentIndexChanged and
    ///change the internal value of the knob again...
    ///The slot connected to onCurrentIndexChanged is reserved to catch user interaction with the combobox.
    ///This function is called in response to an internal change.
    KnobChoicePtr knob = _knob.lock();
    if (!knob) {
        return;
    }

    ChoiceOption activeEntry = knob->getCurrentEntry();

    QString activeEntryLabel;
    if (!activeEntry.label.empty()) {
        activeEntryLabel = QString::fromUtf8(activeEntry.label.c_str());
    } else {
        activeEntryLabel = QString::fromUtf8(activeEntry.id.c_str());
    }
    if ( !activeEntry.id.empty() ) {
        bool activeIndexPresent = knob->isActiveEntryPresentInEntries(getView());
        if (!activeIndexPresent) {
            QString error = tr("The value %1 no longer exists in the menu").arg(activeEntryLabel);
            getKnobGui()->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, NATRON_NAMESPACE::convertFromPlainText(error, NATRON_NAMESPACE::WhiteSpaceNormal) );
        } else {
            getKnobGui()->setWarningValue( KnobGui::eKnobWarningChoiceMenuOutOfDate, QString() );
        }
    }
    if ( _comboBox->isCascading() || activeEntry.id.empty() ) {
        _comboBox->setCurrentIndex( knob->getValue(), false );
    } else {
        ensureUnknownChocieIsNotInternalPlaneID(activeEntryLabel);
        _comboBox->setCurrentIndexFromLabel( activeEntryLabel, false /*emitSignal*/ );
    }
}

void
TrackMarker::initializeKnobs()
{
    KnobItemsTablePtr model = getModel();
    EffectInstancePtr effect;
    if (model) {
        effect = model->getNode()->getEffectInstance();
    }
    KnobIntPtr defPatternSizeKnob, defSearchSizeKnob;
    KnobChoicePtr defMotionModelKnob;
    defPatternSizeKnob = toKnobInt(effect->getKnobByName(kTrackerUIParamDefaultMarkerPatternWinSize));
    defSearchSizeKnob = toKnobInt(effect->getKnobByName(kTrackerUIParamDefaultMarkerSearchWinSize));
    defMotionModelKnob = toKnobChoice(effect->getKnobByName(kTrackerUIParamDefaultMotionModel));

    double patternHalfSize = defPatternSizeKnob ? defPatternSizeKnob->getValue() / 2. : 21;
    double searchHalfSize = defSearchSizeKnob ? defSearchSizeKnob->getValue() / 2. : 71;

    int defMotionModel_i = defMotionModelKnob ? defMotionModelKnob->getValue() : 0;

    KnobDoublePtr swbbtmLeft = createKnob<KnobDouble>(kTrackerParamSearchWndBtmLeft, 2);

    swbbtmLeft->setLabel(tr(kTrackerParamSearchWndBtmLeftLabel));
    swbbtmLeft->setDefaultValue(-searchHalfSize, DimIdx(0));
    swbbtmLeft->setDefaultValue(-searchHalfSize, DimIdx(1));
    swbbtmLeft->setHintToolTip( tr(kTrackerParamSearchWndBtmLeftHint) );
    _imp->searchWindowBtmLeft = swbbtmLeft;

    KnobDoublePtr swbtRight = createKnob<KnobDouble>(kTrackerParamSearchWndTopRight, 2);
    swbtRight->setLabel(tr(kTrackerParamSearchWndTopRightLabel));
    swbtRight->setDefaultValue(searchHalfSize, DimIdx(0));
    swbtRight->setDefaultValue(searchHalfSize, DimIdx(1));
    swbtRight->setHintToolTip( tr(kTrackerParamSearchWndTopRightHint) );
    _imp->searchWindowTopRight = swbtRight;


    KnobDoublePtr ptLeft = createKnob<KnobDouble>(kTrackerParamPatternTopLeft, 2);
    ptLeft->setLabel(tr(kTrackerParamPatternTopLeftLabel));
    ptLeft->setDefaultValue(-patternHalfSize, DimIdx(0));
    ptLeft->setDefaultValue(patternHalfSize, DimIdx(1));
    ptLeft->setHintToolTip( tr(kTrackerParamPatternTopLeftHint) );
    _imp->patternTopLeft = ptLeft;

    KnobDoublePtr ptRight = createKnob<KnobDouble>(kTrackerParamPatternTopRight, 2);
    ptRight->setLabel(tr(kTrackerParamPatternTopRightLabel));
    ptRight->setDefaultValue(patternHalfSize, DimIdx(0));
    ptRight->setDefaultValue(patternHalfSize, DimIdx(1));
    ptRight->setHintToolTip( tr(kTrackerParamPatternTopRightHint) );
    _imp->patternTopRight = ptRight;

    KnobDoublePtr pBRight = createKnob<KnobDouble>(kTrackerParamPatternBtmRight, 2);
    pBRight->setLabel(tr(kTrackerParamPatternBtmRightLabel));
    pBRight->setDefaultValue(patternHalfSize, DimIdx(0));
    pBRight->setDefaultValue(-patternHalfSize, DimIdx(1));
    pBRight->setHintToolTip( tr(kTrackerParamPatternBtmRightHint) );
    _imp->patternBtmRight = pBRight;

    KnobDoublePtr pBLeft = createKnob<KnobDouble>(kTrackerParamPatternBtmLeft, 2);
    pBLeft->setLabel(tr(kTrackerParamPatternBtmLeftLabel));
    pBLeft->setDefaultValue(-patternHalfSize, DimIdx(0));
    pBLeft->setDefaultValue(-patternHalfSize, DimIdx(1));
    pBLeft->setHintToolTip( tr(kTrackerParamPatternBtmLeftHint) );
    _imp->patternBtmLeft = pBLeft;

    KnobDoublePtr centerKnob = createKnob<KnobDouble>(kTrackerParamCenter, 2);
    centerKnob->setLabel(tr(kTrackerParamCenterLabel));
    centerKnob->setHintToolTip( tr(kTrackerParamCenterHint) );
    _imp->center = centerKnob;

    KnobDoublePtr offsetKnob = createKnob<KnobDouble>(kTrackerParamOffset, 2);
    offsetKnob->setLabel(tr(kTrackerParamOffsetLabel));
    offsetKnob->setHintToolTip( tr(kTrackerParamOffsetHint) );
    _imp->offset = offsetKnob;

#ifdef NATRON_TRACK_MARKER_USE_WEIGHT
    KnobDoublePtr weightKnob = createKnob<KnobDouble>(kTrackerParamTrackWeight, 1);
    weightKnob->setLabel(tr(kTrackerParamTrackWeightLabel));
    weightKnob->setHintToolTip( tr(kTrackerParamTrackWeightHint) );
    weightKnob->setDefaultValue(1.);
    weightKnob->setAnimationEnabled(false);
    weightKnob->setRange(0., 1.);
    _imp->weight = weightKnob;
#endif

    KnobChoicePtr mmodelKnob = createKnob<KnobChoice>(kTrackerParamMotionModel, 1);
    mmodelKnob->setHintToolTip( tr(kTrackerParamMotionModelHint) );
    mmodelKnob->setLabel(tr(kTrackerParamMotionModelLabel));
    {
        std::vector<ChoiceOption> choices, helps;
        std::map<int, std::string> icons;
        TrackerNodePrivate::getMotionModelsAndHelps(true, &choices, &icons);
        mmodelKnob->populateChoices(choices);
        mmodelKnob->setIcons(icons);
    }

    mmodelKnob->setDefaultValue(defMotionModel_i);
    _imp->motionModel = mmodelKnob;

    KnobDoublePtr errKnob = createKnob<KnobDouble>(kTrackerParamError, 1);
    errKnob->setLabel(tr(kTrackerParamErrorLabel));
    _imp->error = errKnob;
//.........这里部分代码省略.........

void
TrackerNodePrivate::exportTrackDataFromExportOptions()
{
    //bool transformLink = _imp->exportLink.lock()->getValue();
    KnobChoicePtr transformTypeKnob = transformType.lock();

    assert(transformTypeKnob);
    int transformType_i = transformTypeKnob->getValue();
    TrackerTransformNodeEnum transformType = (TrackerTransformNodeEnum)transformType_i;
    KnobChoicePtr motionTypeKnob = motionType.lock();
    if (!motionTypeKnob) {
        return;
    }
    int motionType_i = motionTypeKnob->getValue();
    TrackerMotionTypeEnum mt = (TrackerMotionTypeEnum)motionType_i;

    if (mt == eTrackerMotionTypeNone) {
        Dialogs::errorDialog( tr("Tracker Export").toStdString(), tr("Please select the export mode with the Motion Type parameter").toStdString() );

        return;
    }

    bool linked = exportLink.lock()->getValue();
    QString pluginID;
    switch (transformType) {
        case eTrackerTransformNodeCornerPin:
            pluginID = QString::fromUtf8(PLUGINID_OFX_CORNERPIN);
            break;
        case eTrackerTransformNodeTransform:
            pluginID = QString::fromUtf8(PLUGINID_OFX_TRANSFORM);
            break;
    }

    NodePtr thisNode = publicInterface->getNode();
    AppInstancePtr app = thisNode->getApp();
    CreateNodeArgsPtr args(CreateNodeArgs::create( pluginID.toStdString(), thisNode->getGroup() ));
    args->setProperty<bool>(kCreateNodeArgsPropAutoConnect, false);
    args->setProperty<bool>(kCreateNodeArgsPropSettingsOpened, false);

    NodePtr createdNode = app->createNode(args);
    if (!createdNode) {
        return;
    }

    // Move the new node
    double thisNodePos[2];
    double thisNodeSize[2];
    thisNode->getPosition(&thisNodePos[0], &thisNodePos[1]);
    thisNode->getSize(&thisNodeSize[0], &thisNodeSize[1]);
    createdNode->setPosition(thisNodePos[0] + thisNodeSize[0] * 2., thisNodePos[1]);

    TimeValue timeForFromPoints(referenceFrame.lock()->getValue());


    switch (transformType) {
        case eTrackerTransformNodeCornerPin: {
            KnobDoublePtr cornerPinToPoints[4];
            KnobDoublePtr cornerPinFromPoints[4];


            for (unsigned int i = 0; i < 4; ++i) {
                cornerPinFromPoints[i] = getCornerPinPoint(createdNode, true, i);
                assert(cornerPinFromPoints[i]);
                for (int j = 0; j < cornerPinFromPoints[i]->getNDimensions(); ++j) {
                    cornerPinFromPoints[i]->setValue(fromPoints[i].lock()->getValueAtTime(timeForFromPoints, DimIdx(j)), ViewSetSpec::all(), DimIdx(j));
                }

                cornerPinToPoints[i] = getCornerPinPoint(createdNode, false, i);
                assert(cornerPinToPoints[i]);
                if (!linked) {
                    cornerPinToPoints[i]->copyKnob( toPoints[i].lock() );
                } else {
                    bool ok = cornerPinToPoints[i]->linkTo(toPoints[i].lock());
                    (void)ok;
                    assert(ok);
                }
            }
            {
                KnobIPtr knob = createdNode->getKnobByName(kCornerPinParamMatrix);
                if (knob) {
                    KnobDoublePtr isType = toKnobDouble(knob);
                    if (isType) {
                        isType->copyKnob(cornerPinMatrix.lock() );
                    }
                }
            }
            break;
        }
        case eTrackerTransformNodeTransform: {
            KnobIPtr translateKnob = createdNode->getKnobByName(kTransformParamTranslate);
            if (translateKnob) {
                KnobDoublePtr isDbl = toKnobDouble(translateKnob);
                if (isDbl) {
                    if (!linked) {
                        isDbl->copyKnob(translate.lock() );
                    } else {
                        ignore_result(isDbl->linkTo(translate.lock()));
                    }
                }
            }
//.........这里部分代码省略.........

void
TrackerNodePrivate::solveTransformParams()
{
    setTransformOutOfDate(false);

    std::vector<TrackMarkerPtr> markers;

    knobsTable->getAllMarkers(&markers);
    if ( markers.empty() ) {
        return;
    }

    resetTransformParamsAnimation();

    KnobChoicePtr motionTypeKnob = motionType.lock();
    int motionType_i = motionTypeKnob->getValue();
    TrackerMotionTypeEnum type =  (TrackerMotionTypeEnum)motionType_i;
    TimeValue refTime(referenceFrame.lock()->getValue());
    int jitterPer = 0;
    bool jitterAdd = false;
    switch (type) {
        case eTrackerMotionTypeNone:

            return;
        case eTrackerMotionTypeMatchMove:
        case eTrackerMotionTypeStabilize:
            break;
        case eTrackerMotionTypeAddJitter:
        case eTrackerMotionTypeRemoveJitter: {
            jitterPer = jitterPeriod.lock()->getValue();
            jitterAdd = type == eTrackerMotionTypeAddJitter;
            break;
        }
    }

    setSolverParamsEnabled(false);

    std::set<TimeValue> keyframes;
    {
        for (std::size_t i = 0; i < markers.size(); ++i) {
            std::set<double> keys;
            markers[i]->getCenterKeyframes(&keys);
            for (std::set<double>::iterator it = keys.begin(); it != keys.end(); ++it) {
                keyframes.insert(TimeValue(*it));
            }
        }
    }
    KnobChoicePtr transformTypeKnob = transformType.lock();
    assert(transformTypeKnob);
    int transformType_i = transformTypeKnob->getValue();
    TrackerTransformNodeEnum transformType = (TrackerTransformNodeEnum)transformType_i;
    NodePtr node = publicInterface->getNode();

    invertTransform.lock()->setValue(type == eTrackerMotionTypeStabilize);

    KnobDoublePtr centerKnob = center.lock();

    // Set the center at the reference frame
    Point centerValue = {0, 0};
    int nSamplesAtRefTime = 0;
    for (std::size_t i = 0; i < markers.size(); ++i) {
        if ( !markers[i]->isEnabled(refTime) ) {
            continue;
        }
        KnobDoublePtr markerCenterKnob = markers[i]->getCenterKnob();

        centerValue.x += markerCenterKnob->getValueAtTime(refTime);
        centerValue.y += markerCenterKnob->getValueAtTime(refTime, DimIdx(1));
        ++nSamplesAtRefTime;
    }
    if (nSamplesAtRefTime) {
        centerValue.x /= nSamplesAtRefTime;
        centerValue.y /= nSamplesAtRefTime;
        {
            std::vector<double> values(2);
            values[0] = centerValue.x;
            values[1] = centerValue.y;
            centerKnob->setValueAcrossDimensions(values);
        }

    }

    bool robust;
    robust = robustModel.lock()->getValue();

    KnobDoublePtr maxFittingErrorKnob = fittingErrorWarnIfAbove.lock();
    const double maxFittingError = maxFittingErrorKnob->getValue();

    node->getApp()->progressStart( node, tr("Solving for transform parameters...").toStdString(), std::string() );

    lastSolveRequest.refTime = refTime;
    lastSolveRequest.jitterPeriod = jitterPer;
    lastSolveRequest.jitterAdd = jitterAdd;
    lastSolveRequest.allMarkers = markers;
    lastSolveRequest.keyframes = keyframes;
    lastSolveRequest.robustModel = robust;
    lastSolveRequest.maxFittingError = maxFittingError;

    switch (transformType) {
        case eTrackerTransformNodeTransform:
//.........这里部分代码省略.........

DisplayChannelsEnum
ViewerNode::getDisplayChannels(int index) const
{
    KnobChoicePtr displayChoice = _imp->displayChannelsKnob[index].lock();
    return (DisplayChannelsEnum)displayChoice->getValue();
}