+void RotoWidget::slotPositionChanged(int pos, bool seek)
+{
+ if (m_item->editing())
+ return;
+
+ m_keyframeWidget->slotSetPosition(pos, false);
+
+ if (m_data.canConvert(QVariant::Map)) {
+ QMap <QString, QVariant> map = m_data.toMap();
+ QMap <QString, QVariant>::const_iterator i = map.constBegin();
+ int keyframe1, keyframe2;
+ keyframe1 = keyframe2 = i.key().toInt();
+ while (i.key().toInt() < pos && ++i != map.constEnd()) {
+ keyframe1 = keyframe2;
+ keyframe2 = i.key().toInt();
+ }
+
+ if (keyframe1 != keyframe2 && pos < keyframe2) {
+ QList <BPoint> p1 = getPoints(keyframe1);
+ QList <BPoint> p2 = getPoints(keyframe2);
+ QList <BPoint> p;
+ qreal relPos = (pos - keyframe1) / (qreal)(keyframe2 - keyframe1 + 1);
+
+ for (int i = 0; i < p1.count(); ++i) {
+ BPoint bp;
+ for (int j = 0; j < 3; ++j) {
+ if (p1.at(i)[j] != p2.at(i)[j])
+ bp[j] = QLineF(p1.at(i)[j], p2.at(i)[j]).pointAt(relPos);
+ else
+ bp[j] = p1.at(i)[j];
+ }
+ p.append(bp);
+ }
+
+ m_item->setPoints(p);
+ m_item->setEnabled(false);
+ m_scene->setEnabled(false);
+ } else {
+ m_item->setPoints(getPoints(keyframe2));
+ m_item->setEnabled(pos == keyframe2);
+ m_scene->setEnabled(pos == keyframe2);
+ }
+ } else {
+ m_item->setPoints(getPoints(-1));
+ m_item->setEnabled(true);
+ m_scene->setEnabled(true);
+ }
+
+ if (seek)
+ emit seekToPos(pos);
+}
+
+QList <BPoint> RotoWidget::getPoints(int keyframe)
+{
+ int width = m_monitor->render->frameRenderWidth();
+ int height = m_monitor->render->renderHeight();
+ QList <BPoint> points;
+ QList <QVariant> data;
+ if (keyframe >= 0)
+ data = m_data.toMap()[QString::number(keyframe).rightJustified(qRound(log10((double)m_out)), '0')].toList();
+ else
+ data = m_data.toList();
+ foreach (const QVariant &bpoint, data) {
+ QList <QVariant> l = bpoint.toList();
+ BPoint p;
+ p.h1 = QPointF(l.at(0).toList().at(0).toDouble() * width, l.at(0).toList().at(1).toDouble() * height);
+ p.p = QPointF(l.at(1).toList().at(0).toDouble() * width, l.at(1).toList().at(1).toDouble() * height);
+ p.h2 = QPointF(l.at(2).toList().at(0).toDouble() * width, l.at(2).toList().at(1).toDouble() * height);
+ points << p;
+ }
+ return points;
+}
+
+void RotoWidget::slotAddKeyframe(int pos)
+{
+ if (!m_data.canConvert(QVariant::Map)) {
+ QVariant data = m_data;
+ QMap<QString, QVariant> map;
+ map[QString::number(m_in).rightJustified(qRound(log10((double)m_out)), '0')] = data;
+ m_data = QVariant(map);
+ }
+
+ if (pos < 0)
+ m_keyframeWidget->addKeyframe();
+
+ slotUpdateData(pos);
+ m_item->setEnabled(true);
+ m_scene->setEnabled(true);
+}
+
+void RotoWidget::slotRemoveKeyframe(int pos)
+{
+ if (pos < 0)
+ pos = m_keyframeWidget->getPosition();
+
+ if (!m_data.canConvert(QVariant::Map) || m_data.toMap().count() < 2)
+ return;
+
+ m_data.toMap().remove(QString::number(pos).rightJustified(qRound(log10((double)m_out)), '0'));
+
+ if (m_data.toMap().count() == 1)
+ m_data = m_data.toMap().begin().value();
+
+ slotPositionChanged(m_keyframeWidget->getPosition(), false);
+}
+