+/***************************************************************************
+ * Copyright (C) 2008 by Marco Gittler (g.marco@freenet.de) *
+ * Copyright (C) 2008 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
+ ***************************************************************************/
+
#include "abstractclipitem.h"
+#include "customtrackscene.h"
+#include "kdenlivesettings.h"
+
#include <KDebug>
+#include <KLocale>
+
+#include <QPainter>
+#include <QToolTip>
+#include <QGraphicsSceneMouseEvent>
+
+AbstractClipItem::AbstractClipItem(const ItemInfo &info, const QRectF& rect, double fps) :
+ QObject(),
+ QGraphicsRectItem(rect),
+ m_info(info),
+ m_editedKeyframe(-1),
+ m_selectedKeyframe(0),
+ m_keyframeFactor(1),
+ m_keyframeOffset(0),
+ m_fps(fps)
+#if QT_VERSION >= 0x040600
+ , m_closeAnimation(NULL)
+#endif
+{
+ setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+#if QT_VERSION >= 0x040600
+ setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+ setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);
+#endif
+}
+
+AbstractClipItem::~AbstractClipItem()
+{
+#if QT_VERSION >= 0x040600
+ if (m_closeAnimation) delete m_closeAnimation;
+#endif
+}
+
+void AbstractClipItem::closeAnimation()
+{
+#if QT_VERSION >= 0x040600
+ if (m_closeAnimation) return;
+ setEnabled(false);
+ m_closeAnimation = new QPropertyAnimation(this, "rect");
+ connect(m_closeAnimation, SIGNAL(finished()), this, SLOT(deleteLater()));
+ m_closeAnimation->setDuration(200);
+ QRectF r = rect();
+ QRectF r2 = r;
+ r2.setLeft(r.left() + r.width() / 2);
+ r2.setTop(r.top() + r.height() / 2);
+ r2.setWidth(1);
+ r2.setHeight(1);
+ m_closeAnimation->setStartValue(r);
+ m_closeAnimation->setEndValue(r2);
+ m_closeAnimation->setEasingCurve(QEasingCurve::InQuad);
+ m_closeAnimation->start();
+#endif
+}
+
+ItemInfo AbstractClipItem::info() const
+{
+ ItemInfo info = m_info;
+ info.cropStart = cropStart();
+ info.endPos = endPos();
+ return info;
+}
+
+int AbstractClipItem::defaultZValue() const
+{
+ return 2;
+}
+
+GenTime AbstractClipItem::endPos() const
+{
+ return m_info.startPos + m_info.cropDuration;
+}
+
+int AbstractClipItem::track() const
+{
+ return m_info.track;
+}
+
+GenTime AbstractClipItem::cropStart() const
+{
+ return m_info.cropStart;
+}
+
+GenTime AbstractClipItem::cropDuration() const
+{
+ return m_info.cropDuration;
+}
+
+void AbstractClipItem::setCropStart(GenTime pos)
+{
+ m_info.cropStart = pos;
+}
+
+void AbstractClipItem::updateItem()
+{
+ m_info.track = (int)(scenePos().y() / KdenliveSettings::trackheight());
+ m_info.startPos = GenTime((int) scenePos().x(), m_fps);
+}
-AbstractClipItem::AbstractClipItem(const QRectF& rect): QGraphicsRectItem(rect), m_startFade(0), m_endFade(0) {
- setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
-}
-void AbstractClipItem::moveTo(int x, double scale, double offset, int newTrack) {
- double origX = rect().x();
- double origY = rect().y();
- bool success = true;
- if (x < 0) return;
- setRect(x * scale, origY + offset, rect().width(), rect().height());
- QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
- if (collisionList.size() == 0) m_track = newTrack;
- for (int i = 0; i < collisionList.size(); ++i) {
- QGraphicsItem *item = collisionList.at(i);
- if (item->type() == type()) {
- if (offset == 0) {
- QRectF other = ((QGraphicsRectItem *)item)->rect();
- if (x < m_startPos.frames(m_fps)) {
- kDebug() << "COLLISION, MOVING TO------";
- m_startPos = ((AbstractClipItem *)item)->endPos() + GenTime(1, m_fps);
- origX = m_startPos.frames(m_fps) * scale;
- } else {
- kDebug() << "COLLISION, MOVING TO+++";
- m_startPos = ((AbstractClipItem *)item)->startPos() - m_cropDuration;
- origX = m_startPos.frames(m_fps) * scale;
+void AbstractClipItem::updateRectGeometry()
+{
+ setRect(0, 0, cropDuration().frames(m_fps) - 0.02, rect().height());
+}
+
+void AbstractClipItem::resizeStart(int posx, bool hasSizeLimit)
+{
+ GenTime durationDiff = GenTime(posx, m_fps) - m_info.startPos;
+ if (durationDiff == GenTime()) return;
+
+ if (type() == AVWIDGET && hasSizeLimit && (cropStart() + durationDiff < GenTime())) {
+ durationDiff = GenTime() - cropStart();
+ } else if (durationDiff >= cropDuration()) {
+ return;
+ /*if (cropDuration() > GenTime(3, m_fps)) durationDiff = GenTime(3, m_fps);
+ else return;*/
+ }
+ m_info.startPos += durationDiff;
+
+ // set to true if crop from start is negative (possible for color clips, images as they have no size limit)
+ bool negCropStart = false;
+ if (type() == AVWIDGET) {
+ m_info.cropStart += durationDiff;
+ if (m_info.cropStart < GenTime())
+ negCropStart = true;
+ }
+
+ m_info.cropDuration -= durationDiff;
+ setRect(0, 0, cropDuration().frames(m_fps) - 0.02, rect().height());
+ moveBy(durationDiff.frames(m_fps), 0);
+
+ if (m_info.startPos != GenTime(posx, m_fps)) {
+ //kDebug() << "////// WARNING, DIFF IN XPOS: " << pos().x() << " == " << m_info.startPos.frames(m_fps);
+ GenTime diff = m_info.startPos - GenTime(posx, m_fps);
+
+ if (type() == AVWIDGET)
+ m_info.cropStart += diff;
+
+ m_info.cropDuration -= diff;
+ setRect(0, 0, cropDuration().frames(m_fps) - 0.02, rect().height());
+ //kDebug()<<"// NEW START: "<<m_startPos.frames(25)<<", NW DUR: "<<m_cropDuration.frames(25);
+ }
+
+ // set crop from start to 0 (isn't relevant as this only happens for color clips, images)
+ if (negCropStart)
+ m_info.cropStart = GenTime();
+
+ //kDebug() << "-- NEW CLIP=" << startPos().frames(25) << "-" << endPos().frames(25);
+ //setRect((double) m_startPos.frames(m_fps) * scale, rect().y(), (double) m_cropDuration.frames(m_fps) * scale, rect().height());
+
+ /* if (durationDiff < GenTime()) {
+ QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
+ for (int i = 0; i < collisionList.size(); ++i) {
+ QGraphicsItem *item = collisionList.at(i);
+ if (item->type() == type() && item->pos().x() < pos().x()) {
+ kDebug() << "///////// COLLISION DETECTED!!!!!!!!!";
+ GenTime diff = ((AbstractClipItem *)item)->endPos() + GenTime(1, m_fps) - m_startPos;
+ setRect(0, 0, (m_cropDuration - diff).frames(m_fps) - 0.02, rect().height());
+ setPos((m_startPos + diff).frames(m_fps), pos().y());
+ m_startPos += diff;
+ if (type() == AVWIDGET) m_cropStart += diff;
+ m_cropDuration = m_cropDuration - diff;
+ break;
}
}
- setRect(origX, origY, rect().width(), rect().height());
- offset = 0;
- origX = rect().x();
- success = false;
- break;
- }
+ }*/
+}
+
+void AbstractClipItem::resizeEnd(int posx)
+{
+ GenTime durationDiff = GenTime(posx, m_fps) - endPos();
+ if (durationDiff == GenTime()) return;
+ if (cropDuration() + durationDiff <= GenTime()) {
+ durationDiff = GenTime() - (cropDuration() - GenTime(3, m_fps));
}
- if (success) {
- m_track = newTrack;
- m_startPos = GenTime(x, m_fps);
+
+ m_info.cropDuration += durationDiff;
+ m_info.endPos += durationDiff;
+
+ setRect(0, 0, cropDuration().frames(m_fps) - 0.02, rect().height());
+ if (durationDiff > GenTime()) {
+ QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
+ bool fixItem = false;
+ for (int i = 0; i < collisionList.size(); ++i) {
+ if (!collisionList.at(i)->isEnabled()) continue;
+ QGraphicsItem *item = collisionList.at(i);
+ if (item->type() == type() && item->pos().x() > pos().x()) {
+ //kDebug() << "///////// COLLISION DETECTED!!!!!!!!!";
+ //kDebug() << "///////// CURRENT: " << startPos().frames(25) << "x" << endPos().frames(25) << ", RECT: " << rect() << "-" << pos();
+ //kDebug() << "///////// COLLISION: " << ((AbstractClipItem *)item)->startPos().frames(25) << "x" << ((AbstractClipItem *)item)->endPos().frames(25) << ", RECT: " << ((AbstractClipItem *)item)->rect() << "-" << item->pos();
+ GenTime diff = ((AbstractClipItem *)item)->startPos() - startPos();
+ if (fixItem == false || diff < m_info.cropDuration) {
+ fixItem = true;
+ m_info.cropDuration = diff;
+ }
+ }
+ }
+ if (fixItem) setRect(0, 0, cropDuration().frames(m_fps) - 0.02, rect().height());
}
- /* QList <QGraphicsItem *> childrenList = QGraphicsItem::children();
- for (int i = 0; i < childrenList.size(); ++i) {
- childrenList.at(i)->moveBy(rect().x() - origX , offset);
- }*/
}
-GenTime AbstractClipItem::endPos() const {
- return m_startPos + m_cropDuration;
+GenTime AbstractClipItem::startPos() const
+{
+ return m_info.startPos;
}
-int AbstractClipItem::track() const {
- return m_track;
+void AbstractClipItem::setTrack(int track)
+{
+ m_info.track = track;
}
-GenTime AbstractClipItem::cropStart() const {
- return m_cropStart;
+double AbstractClipItem::fps() const
+{
+ return m_fps;
}
-void AbstractClipItem::resizeStart(int posx, double scale) {
- GenTime durationDiff = GenTime(posx, m_fps) - m_startPos;
- if (durationDiff == GenTime()) return;
- //kDebug() << "-- RESCALE: CROP=" << m_cropStart << ", DIFF = " << durationDiff;
+void AbstractClipItem::updateFps(double fps)
+{
+ m_fps = fps;
+ setPos((qreal) startPos().frames(m_fps), pos().y());
+ updateRectGeometry();
+}
- if (m_cropStart + durationDiff < GenTime() && type() == 70000) {
- durationDiff = GenTime() - m_cropStart;
- } else if (durationDiff >= m_cropDuration) {
- durationDiff = m_cropDuration - GenTime(3, m_fps);
+GenTime AbstractClipItem::maxDuration() const
+{
+ return m_maxDuration;
+}
+
+void AbstractClipItem::drawKeyFrames(QPainter *painter, bool limitedKeyFrames)
+{
+ if (m_keyframes.count() < 1)
+ return;
+ QRectF br = rect();
+ double maxw = br.width() / cropDuration().frames(m_fps);
+ double maxh = br.height() / 100.0 * m_keyframeFactor;
+ double start = cropStart().frames(m_fps);
+ double x1, y1, x2, y2;
+ bool antialiasing = painter->renderHints() & QPainter::Antialiasing;
+
+ // draw line showing default value
+ bool active = isSelected() || (parentItem() && parentItem()->isSelected());
+ if (active) {
+ x1 = br.x();
+ x2 = br.right();
+ if (limitedKeyFrames) {
+ QMap<int, int>::const_iterator end = m_keyframes.constEnd();
+ end--;
+ x2 = x1 + maxw * (end.key() - start);
+ x1 += maxw * (m_keyframes.constBegin().key() - start);
+ }
+ y1 = br.bottom() - (m_keyframeDefault - m_keyframeOffset) * maxh;
+ QLineF l(x1, y1, x2, y1);
+ QLineF l2 = painter->worldTransform().map(l);
+ painter->setPen(QColor(168, 168, 168, 180));
+ painter->drawLine(l2);
+ painter->setPen(QColor(108, 108, 108, 180));
+ painter->drawLine(l2.translated(0, 1));
+ painter->setPen(QColor(Qt::white));
+ painter->setRenderHint(QPainter::Antialiasing);
}
- m_startPos += durationDiff;
- m_cropStart += durationDiff;
- m_cropDuration = m_cropDuration - durationDiff;
- setRect(m_startPos.frames(m_fps) * scale, rect().y(), m_cropDuration.frames(m_fps) * scale, rect().height());
- QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
- for (int i = 0; i < collisionList.size(); ++i) {
- QGraphicsItem *item = collisionList.at(i);
- if (item->type() == type()) {
- GenTime diff = ((AbstractClipItem *)item)->endPos() + GenTime(1, m_fps) - m_startPos;
- setRect((m_startPos + diff).frames(m_fps) * scale, rect().y(), (m_cropDuration - diff).frames(m_fps) * scale, rect().height());
- m_startPos += diff;
- m_cropStart += diff;
- m_cropDuration = m_cropDuration - diff;
+ // draw keyframes
+ QMap<int, int>::const_iterator i = m_keyframes.constBegin();
+ QColor color(Qt::blue);
+ QLineF l2;
+ x1 = br.x() + maxw * (i.key() - start);
+ y1 = br.bottom() - (i.value() - m_keyframeOffset) * maxh;
+
+
+
+ // make sure line begins with clip beginning
+ if (!limitedKeyFrames && i.key() != start) {
+ QLineF l(br.x(), y1, x1, y1);
+ l2 = painter->worldTransform().map(l);
+ painter->drawLine(l2);
+ }
+ while (i != m_keyframes.constEnd()) {
+ if (i.key() == m_editedKeyframe)
+ color = QColor(Qt::red);
+ else
+ color = QColor(Qt::blue);
+ ++i;
+ if (i == m_keyframes.constEnd() && m_keyframes.count() != 1)
break;
+
+ if (m_keyframes.count() == 1) {
+ x2 = br.right();
+ y2 = y1;
+ } else {
+ x2 = br.x() + maxw * (i.key() - start);
+ y2 = br.bottom() - (i.value() - m_keyframeOffset) * maxh;
}
+ QLineF l(x1, y1, x2, y2);
+ l2 = painter->worldTransform().map(l);
+ painter->drawLine(l2);
+ if (active) {
+ const QRectF frame(l2.x1() - 3, l2.y1() - 3, 6, 6);
+ painter->fillRect(frame, color);
+ }
+ x1 = x2;
+ y1 = y2;
}
-}
-void AbstractClipItem::resizeEnd(int posx, double scale) {
- GenTime durationDiff = GenTime(posx, m_fps) - endPos();
- if (durationDiff == GenTime()) return;
- //kDebug() << "-- RESCALE: CROP=" << m_cropStart << ", DIFF = " << durationDiff;
- if (m_cropDuration + durationDiff <= GenTime()) {
- durationDiff = GenTime() - (m_cropDuration - GenTime(3, m_fps));
- } else if (m_cropStart + m_cropDuration + durationDiff >= m_maxDuration) {
- durationDiff = m_maxDuration - m_cropDuration - m_cropStart;
+ // make sure line ends at clip end
+ if (!limitedKeyFrames && x1 != br.right()) {
+ QLineF l(x1, y1, br.right(), y1);
+ painter->drawLine(painter->worldTransform().map(l));
}
- m_cropDuration += durationDiff;
- setRect(m_startPos.frames(m_fps) * scale, rect().y(), m_cropDuration.frames(m_fps) * scale, rect().height());
- QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
- for (int i = 0; i < collisionList.size(); ++i) {
- QGraphicsItem *item = collisionList.at(i);
- if (item->type() == type()) {
- GenTime diff = ((AbstractClipItem *)item)->startPos() - GenTime(1, m_fps) - startPos();
- m_cropDuration = diff;
- setRect(m_startPos.frames(m_fps) * scale, rect().y(), m_cropDuration.frames(m_fps) * scale, rect().height());
- break;
+
+ if (active && m_keyframes.count() > 1) {
+ const QRectF frame(l2.x2() - 3, l2.y2() - 3, 6, 6);
+ painter->fillRect(frame, color);
+ }
+
+ painter->setRenderHint(QPainter::Antialiasing, antialiasing);
+}
+
+int AbstractClipItem::mouseOverKeyFrames(QPointF pos, double maxOffset)
+{
+ const QRectF br = sceneBoundingRect();
+ double maxw = br.width() / cropDuration().frames(m_fps);
+ double maxh = br.height() / 100.0 * m_keyframeFactor;
+ if (m_keyframes.count() > 0) {
+ QMap<int, int>::const_iterator i = m_keyframes.constBegin();
+ double x1;
+ double y1;
+ while (i != m_keyframes.constEnd()) {
+ x1 = br.x() + maxw * (i.key() - cropStart().frames(m_fps));
+ y1 = br.bottom() - (i.value() - m_keyframeOffset) * maxh;
+ if (qAbs(pos.x() - x1) < maxOffset && qAbs(pos.y() - y1) < 10) {
+ setToolTip('[' + QString::number((GenTime(i.key(), m_fps) - cropStart()).seconds(), 'f', 2) + i18n("seconds") + ", " + QString::number(i.value(), 'f', 1) + "]");
+ return i.key();
+ } else if (x1 > pos.x()) {
+ break;
+ }
+ ++i;
}
}
+ setToolTip(QString());
+ return -1;
}
-void AbstractClipItem::setFadeOut(int pos, double scale) {
+void AbstractClipItem::updateSelectedKeyFrame()
+{
+ if (m_editedKeyframe == -1)
+ return;
+ QRectF br = sceneBoundingRect();
+ double maxw = br.width() / cropDuration().frames(m_fps);
+ double maxh = br.height() / 100.0 * m_keyframeFactor;
+ update(br.x() + maxw *(m_selectedKeyframe - cropStart().frames(m_fps)) - 3, br.bottom() - (m_keyframes.value(m_selectedKeyframe) - m_keyframeOffset) * maxh - 3, 12, 12);
+ m_selectedKeyframe = m_editedKeyframe;
+ update(br.x() + maxw *(m_selectedKeyframe - cropStart().frames(m_fps)) - 3, br.bottom() - (m_keyframes.value(m_selectedKeyframe) - m_keyframeOffset) * maxh - 3, 12, 12);
+}
+int AbstractClipItem::editedKeyFramePos() const
+{
+ return m_editedKeyframe;
}
-void AbstractClipItem::setFadeIn(int pos, double scale) {
+double AbstractClipItem::editedKeyFrameValue() const
+{
+ return m_keyframes.value(m_editedKeyframe);
+}
+int AbstractClipItem::selectedKeyFramePos() const
+{
+ return m_selectedKeyframe;
}
-GenTime AbstractClipItem::duration() const {
- return m_cropDuration;
+double AbstractClipItem::selectedKeyFrameValue() const
+{
+ return m_keyframes.value(m_selectedKeyframe);
}
-GenTime AbstractClipItem::startPos() const {
- return m_startPos;
+void AbstractClipItem::updateKeyFramePos(const GenTime &pos, const double value)
+{
+ if (!m_keyframes.contains(m_editedKeyframe))
+ return;
+ int newpos = (int) pos.frames(m_fps);
+ int min = (int) cropStart().frames(m_fps) - 1;
+ int max = (int)(cropStart() + cropDuration()).frames(m_fps);
+ QMap<int, int>::const_iterator i = m_keyframes.constBegin();
+ while (i.key() < m_editedKeyframe) {
+ min = qMax(i.key(), min);
+ ++i;
+ }
+ i = m_keyframes.constEnd() - 1;
+ while (i.key() > m_editedKeyframe) {
+ max = qMin(i.key(), max);
+ --i;
+ }
+ if (newpos <= min)
+ newpos = min + 1;
+ if (newpos >= max)
+ newpos = max - 1;
+
+ double newval = qMax(value, 0.0);
+ newval = qMin(newval, 100.0);
+ newval = newval / m_keyframeFactor + m_keyframeOffset;
+ if (m_editedKeyframe != newpos)
+ m_keyframes.remove(m_editedKeyframe);
+ m_keyframes[newpos] = (int) newval;
+ m_editedKeyframe = newpos;
+ update();
}
-void AbstractClipItem::setTrack(int track) {
- m_track = track;
+double AbstractClipItem::keyFrameFactor() const
+{
+ return m_keyframeFactor;
}
-double AbstractClipItem::fps() const {
- return m_fps;
+int AbstractClipItem::keyFrameNumber() const
+{
+ return m_keyframes.count();
}
-int AbstractClipItem::fadeIn() const {
- return m_startFade;
+int AbstractClipItem::addKeyFrame(const GenTime &pos, const double value)
+{
+ QRectF br = sceneBoundingRect();
+ double maxh = 100.0 / br.height() / m_keyframeFactor;
+ int newval = (br.bottom() - value) * maxh + m_keyframeOffset;
+ //kDebug() << "Rect: " << br << "/ SCENE: " << sceneBoundingRect() << ", VALUE: " << value << ", MAX: " << maxh << ", NEWVAL: " << newval;
+ int newpos = (int) pos.frames(m_fps) ;
+ m_keyframes[newpos] = newval;
+ m_selectedKeyframe = newpos;
+ update();
+ return newval;
}
-int AbstractClipItem::fadeOut() const {
- return m_endFade;
+bool AbstractClipItem::hasKeyFrames() const
+{
+ return !m_keyframes.isEmpty();
}
-GenTime AbstractClipItem::maxDuration() const {
- return m_maxDuration;
+/*QRect AbstractClipItem::visibleRect() {
+ QRect rectInView;
+ if (scene()->views().size() > 0) {
+ rectInView = scene()->views()[0]->viewport()->rect();
+ rectInView.moveTo(scene()->views()[0]->horizontalScrollBar()->value(), scene()->views()[0]->verticalScrollBar()->value());
+ rectInView.adjust(-10, -10, 10, 10);//make view rect 10 pixel greater on each site, or repaint after scroll event
+ //kDebug() << scene()->views()[0]->viewport()->rect() << " " << scene()->views()[0]->horizontalScrollBar()->value();
+ }
+ return rectInView;
+}*/
+
+CustomTrackScene* AbstractClipItem::projectScene()
+{
+ if (scene())
+ return static_cast <CustomTrackScene*>(scene());
+ return NULL;
}
+
+void AbstractClipItem::setItemLocked(bool locked)
+{
+ if (locked)
+ setSelected(false);
+
+ setFlag(QGraphicsItem::ItemIsMovable, !locked);
+ setFlag(QGraphicsItem::ItemIsSelectable, !locked);
+}
+
+bool AbstractClipItem::isItemLocked() const
+{
+ return !(flags() & (QGraphicsItem::ItemIsSelectable));
+}
+
+// virtual
+void AbstractClipItem::mousePressEvent(QGraphicsSceneMouseEvent * event)
+{
+ if (event->modifiers() & Qt::ShiftModifier) {
+ // User want to do a rectangle selection, so ignore the event to pass it to the view
+ event->ignore();
+ } else {
+ QGraphicsItem::mousePressEvent(event);
+ }
+}
+
+int AbstractClipItem::itemHeight()
+{
+ return 0;
+}
+
+int AbstractClipItem::itemOffset()
+{
+ return 0;
+}
+
+