예제 #1
0
bool
TrackMarkerPM::trackMarker(bool forward,
                           int refFrame,
                           int frame)
{
    KnobButtonPtr button;

    if (forward) {
        button = trackNextButton.lock();
    } else {
        button = trackPrevButton.lock();
    }
    KnobIntPtr refFrameK = refFrameKnob.lock();
    refFrameK->setValue(refFrame);

    // Unslave the center knob since the trackerNode will update it, then update the marker center
    KnobDoublePtr center = centerKnob.lock();
    for (int i = 0; i < center->getDimension(); ++i) {
        center->unSlave(i, true);
    }

    trackerNode->getEffectInstance()->onKnobValueChanged_public(button, eValueChangedReasonNatronInternalEdited, frame, ViewIdx(0),
                                                                true);

    KnobDoublePtr markerCenter = getCenterKnob();
    // The TrackerPM plug-in has set a keyframe at the refFrame and frame, copy them
    bool ret = true;
    double centerPoint[2];
    for (int i = 0; i < center->getDimension(); ++i) {
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, frame);
            if (index != -1) {
                centerPoint[i] = center->getValueAtTime(frame, i);
                markerCenter->setValueAtTime(frame, centerPoint[i], ViewSpec::current(), i);
            } else {
                // No keyframe at this time: tracking failed
                ret = false;
                break;
            }
        }
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, refFrame);
            if (index != -1) {
                double value = center->getValueAtTime(refFrame, i);
                markerCenter->setValueAtTime(refFrame, value, ViewSpec::current(), i);
            }
        }
    }

    // Convert the correlation score of the TrackerPM to the error
    if (ret) {
        KnobDoublePtr markerError = getErrorKnob();
        KnobDoublePtr correlation = correlationScoreKnob.lock();
        {
            int index = correlation->getKeyFrameIndex(ViewSpec::current(), 0, frame);
            if (index != -1) {
                // The error is estimated as a percentage of the correlation across the number of pixels in the pattern window
                KnobDoublePtr  pBtmLeft = patternBtmLeftKnob.lock();
                KnobDoublePtr  pTopRight = patternTopRightKnob.lock();
                Point btmLeft, topRight;

                btmLeft.x = pBtmLeft->getValueAtTime(frame, 0);
                btmLeft.y = pBtmLeft->getValueAtTime(frame, 1);

                topRight.x = pTopRight->getValueAtTime(frame, 0);
                topRight.y = pTopRight->getValueAtTime(frame, 1);


                double areaPixels = (topRight.x - btmLeft.x) * (topRight.y - btmLeft.y);
                NodePtr trackerInput = trackerNode->getInput(0);
                if (trackerInput) {
                    ImageComponents comps = trackerInput->getEffectInstance()->getComponents(-1);
                    areaPixels *= comps.getNumComponents();
                }

                double value = correlation->getValueAtTime(frame, 0);

                // Convert to a percentage
                value /= areaPixels;

                markerError->setValueAtTime(frame, value, ViewSpec::current(), 0);
            }
        }
    }

    for (int i = 0; i < center->getDimension(); ++i) {
        center->slaveTo(i, markerCenter, i);
    }

    return ret;
} // TrackMarkerPM::trackMarker
예제 #2
0
NewLayerDialog::NewLayerDialog(const ImageComponents& original,
                               QWidget* parent)
    : QDialog(parent)
    , _imp( new NewLayerDialogPrivate() )
{
    _imp->mainLayout = new QGridLayout(this);
    _imp->layerLabel = new Label(tr("Layer Name"), this);
    _imp->layerEdit = new LineEdit(this);

    _imp->numCompsLabel = new Label(tr("No. Channels"), this);
    _imp->numCompsBox = new SpinBox(this, SpinBox::eSpinBoxTypeInt);
    QObject::connect( _imp->numCompsBox, SIGNAL(valueChanged(double)), this, SLOT(onNumCompsChanged(double)) );
    _imp->numCompsBox->setMinimum(1);
    _imp->numCompsBox->setMaximum(4);
    _imp->numCompsBox->setValue(4);

    _imp->rLabel = new Label(tr("1st Channel"), this);
    _imp->rEdit = new LineEdit(this);
    _imp->gLabel = new Label(tr("2nd Channel"), this);
    _imp->gEdit = new LineEdit(this);
    _imp->bLabel = new Label(tr("3rd Channel"), this);
    _imp->bEdit = new LineEdit(this);
    _imp->aLabel = new Label(tr("4th Channel"), this);
    _imp->aEdit = new LineEdit(this);

    _imp->setRgbaButton = new Button(this);
    _imp->setRgbaButton->setText( tr("Set RGBA") );
    QObject::connect( _imp->setRgbaButton, SIGNAL(clicked(bool)), this, SLOT(onRGBAButtonClicked()) );

    _imp->buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this);
    QObject::connect( _imp->buttons, SIGNAL(accepted()), this, SLOT(accept()) );
    QObject::connect( _imp->buttons, SIGNAL(rejected()), this, SLOT(reject()) );

    _imp->mainLayout->addWidget(_imp->layerLabel, 0, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->layerEdit, 0, 1, 1, 1);

    _imp->mainLayout->addWidget(_imp->numCompsLabel, 1, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->numCompsBox, 1, 1, 1, 1);

    _imp->mainLayout->addWidget(_imp->rLabel, 2, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->rEdit, 2, 1, 1, 1);

    _imp->mainLayout->addWidget(_imp->gLabel, 3, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->gEdit, 3, 1, 1, 1);


    _imp->mainLayout->addWidget(_imp->bLabel, 4, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->bEdit, 4, 1, 1, 1);


    _imp->mainLayout->addWidget(_imp->aLabel, 5, 0, 1, 1);
    _imp->mainLayout->addWidget(_imp->aEdit, 5, 1, 1, 1);

    _imp->mainLayout->addWidget(_imp->setRgbaButton, 6, 0, 1, 2);

    _imp->mainLayout->addWidget(_imp->buttons, 7, 0, 1, 2);

    if (original.getNumComponents() != 0) {
        _imp->layerEdit->setText( QString::fromUtf8( original.getLayerName().c_str() ) );

        LineEdit* edits[4] = {_imp->rEdit, _imp->gEdit, _imp->bEdit, _imp->aEdit};
        Label* labels[4] = {_imp->rLabel, _imp->gLabel, _imp->bLabel, _imp->aLabel};
        const std::vector<std::string>& channels = original.getComponentsNames();
        for (int i = 0; i < 4; ++i) {
            if ( i >= (int)channels.size() ) {
                edits[i]->setVisible(false);
                labels[i]->setVisible(false);
            } else {
                edits[i]->setText( QString::fromUtf8( channels[i].c_str() ) );
            }
        }
        _imp->numCompsBox->setValue( (double)channels.size() );
    }
}