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::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::checkForSingleKeyframe()
{
// Check if we have only one keyframe
if (!m_keyframes.isEmpty() && m_keyframes.count() == 1) {
int min = (int) cropStart().frames(m_fps);
int max = (int)(cropStart() + cropDuration()).frames(m_fps) - 1;
if (m_keyframes.contains(min)) {
// Add keyframe at end of clip to allow inserting a new keframe in between
m_keyframes[max] = m_keyframes.value(min);
return m_keyframes.value(min);
}
}
return -1;
}
ItemInfo AbstractClipItem::info() const
{
ItemInfo info = m_info;
info.cropStart = cropStart();
info.endPos = endPos();
return info;
}
void AbstractClipItem::resizeStart(int posx, bool hasSizeLimit, bool /*emitChange*/)
{
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;
}
m_info.startPos += durationDiff;
m_keyframeView.setOffset(durationDiff.frames(m_fps));
// 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)) {
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());
}
// set crop from start to 0 (isn't relevant as this only happens for color clips, images)
if (negCropStart)
m_info.cropStart = GenTime();
}
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::drawKeyFrames(QPainter *painter, const QTransform transformation, 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 = transformation.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);
}
// 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 = transformation.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 = transformation.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;
}
// make sure line ends at clip end
if (!limitedKeyFrames && x1 != br.right()) {
QLineF l(x1, y1, br.right(), y1);
painter->drawLine(transformation.map(l));
}
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);
}
void AbstractClipItem::resizeStart(int posx, bool hasSizeLimit, bool /*emitChange*/)
{
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;
}
}
}*/
}
