1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
24 #include <QStyleOptionGraphicsItem>
25 #include <QGraphicsScene>
30 #include <mlt++/Mlt.h>
34 #include "kdenlivesettings.h"
36 ClipItem::ClipItem(DocClipBase *clip, int track, int startpos, const QRectF & rect, int duration)
37 : QGraphicsRectItem(rect), m_clip(clip), m_resizeMode(NONE), m_grabPoint(0), m_maxTrack(0), m_track(track), m_startPos(startpos), m_hasThumbs(false), startThumbTimer(NULL), endThumbTimer(NULL), m_startFade(0), m_endFade(0), m_effectsCounter(0),audioThumbWasDrawn(false)
40 kDebug()<<"******* CREATING NEW TML CLIP, DUR: "<<duration;
41 m_xml = clip->toXML();
42 m_clipName = clip->name();
43 m_producer = clip->getId();
44 m_clipType = clip->clipType();
46 m_maxDuration = duration;
47 if (duration != -1) m_cropDuration = duration;
48 else m_cropDuration = m_maxDuration;
51 m_cropStart = xml.attribute("in", 0).toInt();
52 m_maxDuration = xml.attribute("duration", 0).toInt();
53 if (m_maxDuration == 0) m_maxDuration = xml.attribute("out", 0).toInt() - m_cropStart;
55 if (duration != -1) m_cropDuration = duration;
56 else m_cropDuration = m_maxDuration;*/
59 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemClipsChildrenToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
61 setBrush(QColor(100, 100, 150));
62 if (m_clipType == VIDEO || m_clipType == AV) {
64 connect(this, SIGNAL(getThumb(int, int)), clip->thumbProducer(), SLOT(extractImage(int, int)));
65 connect(clip->thumbProducer(), SIGNAL(thumbReady(int, QPixmap)), this, SLOT(slotThumbReady(int, QPixmap)));
66 connect(clip, SIGNAL (gotAudioData()), this, SLOT (slotGotAudioData()));
67 QTimer::singleShot(300, this, SLOT(slotFetchThumbs()));
69 startThumbTimer = new QTimer(this);
70 startThumbTimer->setSingleShot(true);
71 connect(startThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetStartThumb()));
72 endThumbTimer = new QTimer(this);
73 endThumbTimer->setSingleShot(true);
74 connect(endThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetEndThumb()));
77 else if (m_clipType == COLOR) {
78 QString colour = m_xml.attribute("colour");
79 colour = colour.replace(0, 2, "#");
80 setBrush(QColor(colour.left(7)));
82 else if (m_clipType == IMAGE) {
83 m_startPix = KThumb::getImage(KUrl(m_xml.attribute("resource")), 50 * KdenliveSettings::project_display_ratio(), 50);
90 if (startThumbTimer) delete startThumbTimer;
91 if (endThumbTimer) delete endThumbTimer;
94 void ClipItem::slotFetchThumbs()
96 emit getThumb(m_cropStart, m_cropStart + m_cropDuration);
99 void ClipItem::slotGetStartThumb()
101 emit getThumb(m_cropStart, -1);
104 void ClipItem::slotGetEndThumb()
106 emit getThumb(-1, m_cropStart + m_cropDuration);
109 void ClipItem::slotThumbReady(int frame, QPixmap pix)
111 if (frame == m_cropStart) m_startPix = pix;
116 void ClipItem::slotGotAudioData(){
120 int ClipItem::type () const
125 DocClipBase *ClipItem::baseClip()
130 QDomElement ClipItem::xml() const
135 int ClipItem::clipType()
140 QString ClipItem::clipName()
145 int ClipItem::clipProducer()
150 int ClipItem::maxDuration()
152 return m_maxDuration;
155 int ClipItem::duration()
157 return m_cropDuration;
160 int ClipItem::startPos()
165 int ClipItem::cropStart()
170 int ClipItem::endPos()
172 return m_startPos + m_cropDuration;
176 void ClipItem::paint(QPainter *painter,
177 const QStyleOptionGraphicsItem *option,
181 painter->setRenderHints(QPainter::Antialiasing);
182 QPainterPath roundRectPathUpper,roundRectPathLower;
183 double roundingY = 20;
184 double roundingX = 20;
186 painter->setClipRect(option->exposedRect);
187 if (roundingX > br.width() / 2) roundingX = br.width() / 2;
188 //kDebug()<<"-----PAINTING, SCAL: "<<scale<<", height: "<<br.height();
189 roundRectPathUpper.moveTo(br.x() + br .width() - offset, br.y() + br.height()/2 - offset);
190 roundRectPathUpper.arcTo(br.x() + br .width() - roundingX - offset, br.y(), roundingX, roundingY, 0.0, 90.0);
191 roundRectPathUpper.lineTo(br.x() + roundingX, br.y());
192 roundRectPathUpper.arcTo(br.x() + offset, br.y(), roundingX, roundingY, 90.0, 90.0);
193 roundRectPathUpper.lineTo(br.x() + offset, br.y() + br.height()/2 - offset);
194 roundRectPathUpper.closeSubpath();
196 roundRectPathLower.moveTo(br.x() + offset, br.y() + br.height()/2 - offset);
197 roundRectPathLower.arcTo(br.x() + offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 180.0, 90.0);
198 roundRectPathLower.lineTo(br.x() + br .width() - roundingX, br.y() + br.height() - offset);
199 roundRectPathLower.arcTo(br.x() + br .width() - roundingX - offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 270.0, 90.0);
200 roundRectPathLower.lineTo(br.x() + br .width() - offset, br.y()+ br.height()/2 - offset);
201 roundRectPathLower.closeSubpath();
203 painter->setClipPath(roundRectPathUpper.united(roundRectPathLower), Qt::IntersectClip);
204 //painter->fillPath(roundRectPath, brush()); //, QBrush(QColor(Qt::red)));
205 painter->fillRect(br, brush());
206 //painter->fillRect(QRectF(br.x() + br.width() - m_endPix.width(), br.y(), m_endPix.width(), br.height()), QBrush(QColor(Qt::black)));
209 if (!m_startPix.isNull()) {
210 if (m_clipType == IMAGE) {
211 painter->drawPixmap(QPointF(br.x() + br.width() - m_startPix.width(), br.y()), m_startPix);
212 QLineF l(br.x() + br.width() - m_startPix.width(), br.y(), br.x() + br.width() - m_startPix.width(), br.y() + br.height());
213 painter->drawLine(l);
215 painter->drawPixmap(QPointF(br.x() + br.width() - m_endPix.width(), br.y()), m_endPix);
216 QLineF l(br.x() + br.width() - m_endPix.width(), br.y(), br.x() + br.width() - m_endPix.width(), br.y() + br.height());
217 painter->drawLine(l);
220 painter->drawPixmap(QPointF(br.x(), br.y()), m_startPix);
221 QLineF l2(br.x() + m_startPix.width(), br.y(), br.x() + m_startPix.width(), br.y() + br.height());
222 painter->drawLine(l2);
224 if (m_clipType == AV || m_clipType==AUDIO ){
225 QPainterPath path= m_clipType==AV ? roundRectPathLower : roundRectPathUpper.united(roundRectPathLower);
226 painter->fillPath(path,QBrush(QColor(200,200,200,127)));
228 double pixelForOneFrame=(double)br.width()/duration();
231 /*for (int frame=m_cropStart;frame<m_cropStart+m_cropDuration && frame< baseClip()->audioFrameChache.size();frame++){
233 QMap<int,QByteArray> frame_channel_data=baseClip()->audioFrameChache[frame];
234 int audio_frame_samples=frame_channel_data[0].size();
236 for (int samples=0;samples<audio_frame_samples;samples++){
238 for (int channel=0;channel<channels && frame_channel_data[channel].size()> 0;channel++){
239 int y=re.y()+re.height()*channel/channels+ (re.height()/channels)/2;
240 int x1=re.x() + ((double)frame*pixelForOneFrame*audio_frame_samples+samples)/pixelForOneFrame;
241 kDebug() <<" frame " << frame << " " << x1 ;
242 painter->drawLine(x1 , y+frame_channel_data[channel][0],x1+1, y+frame_channel_data[channel][0] );
247 audiopen.setWidth(0);
248 painter->setPen(audiopen);
249 QRectF re=path.boundingRect();
250 if (audioThumbCachePic.isNull() || framePixelWidth!=pixelForOneFrame){
251 audioThumbCachePic=QPixmap(re.width(),re.height());
252 audioThumbCachePic.fill(QColor(200,200,200,127));
254 if ( (!audioThumbWasDrawn || framePixelWidth!=pixelForOneFrame ) && !baseClip()->audioFrameChache.isEmpty()){
255 QMap<int,QPainterPath > positiveChannelPaths;
256 QMap<int,QPainterPath > negativeChannelPaths;
257 QPainter pixpainter(&audioThumbCachePic);
258 pixpainter.setRenderHint(QPainter::Antialiasing,true);
259 for (int i=0;i<channels;i++){
261 positiveChannelPaths[i].moveTo(0,0+audioThumbCachePic.height()*i/channels+ (audioThumbCachePic.height()/channels)/2);
262 negativeChannelPaths[i].moveTo(0,0+audioThumbCachePic.height()*i/channels+ (audioThumbCachePic.height()/channels)/2);
265 for (int samples=0;samples<audioThumbCachePic.width();samples++){
266 double frame=(double)(samples-0)/pixelForOneFrame;
267 int sample=(frame-(int)(frame))*20 ;// AUDIO_FRAME_SIZE
268 if (frame<0 || sample< 0 || sample>19 )
270 QMap<int,QByteArray> frame_channel_data=baseClip()->audioFrameChache[(int)frame];
272 for (int channel=0;channel<channels && frame_channel_data[channel].size()> 0;channel++){
274 int y=audioThumbCachePic.height()*channel/channels+ (/*re.height()*/audioThumbCachePic.height()/channels)/2;
276 positiveChannelPaths[channel].lineTo(samples,y+( (int)frame_channel_data[channel][sample] -127/2 ) * (audioThumbCachePic.height()/channels) / 64 );
277 negativeChannelPaths[channel].lineTo(samples,y-( (int)frame_channel_data[channel][sample] -127/2 ) * (audioThumbCachePic.height()/channels) / 64 );
280 for (int i=0;i<channels;i++){
281 pixpainter.fillPath(positiveChannelPaths[i].united(negativeChannelPaths[i]),QBrush(Qt::SolidPattern));//or singleif looks better
282 //pixpainter.drawPath(positiveChannelPaths[i]);
284 audioThumbWasDrawn=true;
285 framePixelWidth=pixelForOneFrame;
287 painter->drawPixmap(re.x(),re.y(),audioThumbCachePic);
292 // draw start / end fades
293 double scale = br.width() / m_cropDuration;
296 fades = QBrush(QColor(200, 50, 50, 150));
298 else fades = QBrush(QColor(200, 200, 200, 200));
300 if (m_startFade != 0) {
301 QPainterPath fadeInPath;
302 fadeInPath.moveTo(br.x() - offset, br.y());
303 fadeInPath.lineTo(br.x() - offset, br.y() + br.height());
304 fadeInPath.lineTo(br.x() + m_startFade * scale, br.y());
305 fadeInPath.closeSubpath();
306 painter->fillPath(fadeInPath, fades);
308 QLineF l(br.x() + m_startFade * scale, br.y(), br.x(), br.y() + br.height());
309 painter->drawLine(l);
312 if (m_endFade != 0) {
313 QPainterPath fadeOutPath;
314 fadeOutPath.moveTo(br.x() + br.width(), br.y());
315 fadeOutPath.lineTo(br.x() + br.width(), br.y() + br.height());
316 fadeOutPath.lineTo(br.x() + br.width() - m_endFade * scale, br.y());
317 fadeOutPath.closeSubpath();
318 painter->fillPath(fadeOutPath, fades);
320 QLineF l(br.x() + br.width() - m_endFade * scale, br.y(), br.x() + br.width(), br.y() + br.height());
321 painter->drawLine(l);
325 QPen pen = painter->pen();
326 pen.setColor(Qt::white);
327 //pen.setStyle(Qt::DashDotDotLine); //Qt::DotLine);
329 QString effects = effectNames().join(" / ");
330 if (!effects.isEmpty()) {
331 painter->setPen(pen);
332 QFont font = painter->font();
333 QFont smallFont = font;
334 smallFont.setPointSize(8);
335 painter->setFont(smallFont);
336 QRectF txtBounding = painter->boundingRect(br, Qt::AlignLeft | Qt::AlignTop, " " + effects + " ");
337 painter->fillRect(txtBounding, QBrush(QColor(0,0,0,150)));
338 painter->drawText(txtBounding, Qt::AlignCenter, effects);
339 pen.setColor(Qt::black);
340 painter->setPen(pen);
341 painter->setFont(font);
344 QRectF txtBounding = painter->boundingRect(br, Qt::AlignCenter, " " + m_clipName + " ");
345 painter->fillRect(txtBounding, QBrush(QColor(255,255,255,150)));
346 painter->drawText(txtBounding, Qt::AlignCenter, m_clipName);
348 pen.setColor(Qt::red);
349 pen.setStyle(Qt::DashDotDotLine); //Qt::DotLine);
350 if (isSelected()) painter->setPen(pen);
351 painter->setClipRect(option->exposedRect);
352 painter->drawPath(roundRectPathUpper.united(roundRectPathLower));
353 //painter->fillRect(QRect(br.x(), br.y(), roundingX, roundingY), QBrush(QColor(Qt::green)));
355 /*QRectF recta(rect().x(), rect().y(), scale,rect().height());
356 painter->drawRect(recta);
357 painter->drawLine(rect().x() + 1, rect().y(), rect().x() + 1, rect().y() + rect().height());
358 painter->drawLine(rect().x() + rect().width(), rect().y(), rect().x() + rect().width(), rect().y() + rect().height());
359 painter->setPen(QPen(Qt::black, 1.0));
360 painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
361 painter->drawLine(rect().x(), rect().y() + rect().height(), rect().x() + rect().width(), rect().y() + rect().height());*/
363 //QGraphicsRectItem::paint(painter, option, widget);
364 //QPen pen(Qt::green, 1.0 / size.x() + 0.5);
365 //painter->setPen(pen);
366 //painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
367 //kDebug()<<"ITEM REPAINT RECT: "<<boundingRect().width();
368 //painter->drawText(rect(), Qt::AlignCenter, m_name);
369 // painter->drawRect(boundingRect());
370 //painter->drawRoundRect(-10, -10, 20, 20);
374 OPERATIONTYPE ClipItem::operationMode(QPointF pos, double scale)
376 if (abs(pos.x() - (rect().x() + scale * m_startFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEIN;
377 else if (abs(pos.x() - rect().x()) < 6) return RESIZESTART;
378 else if (abs(pos.x() - (rect().x() + rect().width() - scale * m_endFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEOUT;
379 else if (abs(pos.x() - (rect().x() + rect().width())) < 6) return RESIZEEND;
383 int ClipItem::fadeIn() const
388 int ClipItem::fadeOut() const
393 void ClipItem::setFadeIn(int pos, double scale)
395 int oldIn = m_startFade;
396 if (pos < 0) pos = 0;
397 if (pos > m_cropDuration) pos = m_cropDuration / 2;
399 if (oldIn > pos) update(rect().x(), rect().y(), oldIn * scale, rect().height());
400 else update(rect().x(), rect().y(), pos * scale, rect().height());
403 void ClipItem::setFadeOut(int pos, double scale)
405 int oldOut = m_endFade;
406 if (pos < 0) pos = 0;
407 if (pos > m_cropDuration) pos = m_cropDuration / 2;
409 if (oldOut > pos) update(rect().x() + rect().width() - pos * scale, rect().y(), pos * scale, rect().height());
410 else update(rect().x() + rect().width() - oldOut * scale, rect().y(), oldOut * scale, rect().height());
416 void ClipItem::mousePressEvent ( QGraphicsSceneMouseEvent * event )
418 /*m_resizeMode = operationMode(event->pos());
419 if (m_resizeMode == MOVE) {
420 m_maxTrack = scene()->sceneRect().height();
421 m_grabPoint = (int) (event->pos().x() - rect().x());
423 QGraphicsRectItem::mousePressEvent(event);
427 void ClipItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
430 QGraphicsRectItem::mouseReleaseEvent(event);
433 void ClipItem::moveTo(int x, double scale, double offset, int newTrack)
435 double origX = rect().x();
436 double origY = rect().y();
439 setRect(x * scale, origY + offset, rect().width(), rect().height());
440 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
441 if (collisionList.size() == 0) m_track = newTrack;
442 for (int i = 0; i < collisionList.size(); ++i) {
443 QGraphicsItem *item = collisionList.at(i);
444 if (item->type() == 70000)
448 QRectF other = ((QGraphicsRectItem *)item)->rect();
449 if (x < m_startPos) {
450 kDebug()<<"COLLISION, MOVING TO------";
451 m_startPos = ((ClipItem *)item)->endPos() + 1;
452 origX = m_startPos * scale;
455 kDebug()<<"COLLISION, MOVING TO+++";
456 m_startPos = ((ClipItem *)item)->startPos() - m_cropDuration;
457 origX = m_startPos * scale;
460 setRect(origX, origY, rect().width(), rect().height());
471 /* QList <QGraphicsItem *> childrenList = QGraphicsItem::children();
472 for (int i = 0; i < childrenList.size(); ++i) {
473 childrenList.at(i)->moveBy(rect().x() - origX , offset);
477 void ClipItem::resizeStart(int posx, double scale)
479 int durationDiff = posx - m_startPos;
480 if (durationDiff == 0) return;
481 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
482 if (m_cropStart + durationDiff < 0) {
483 durationDiff = -m_cropStart;
485 else if (durationDiff >= m_cropDuration) {
486 durationDiff = m_cropDuration - 3;
488 m_startPos += durationDiff;
489 m_cropStart += durationDiff;
490 m_cropDuration -= durationDiff;
491 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
492 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
493 for (int i = 0; i < collisionList.size(); ++i) {
494 QGraphicsItem *item = collisionList.at(i);
495 if (item->type() == 70000)
497 int diff = ((ClipItem *)item)->endPos() + 1 - m_startPos;
498 setRect((m_startPos + diff) * scale, rect().y(), (m_cropDuration - diff) * scale, rect().height());
501 m_cropDuration -= diff;
505 if (m_hasThumbs) startThumbTimer->start(100);
508 void ClipItem::resizeEnd(int posx, double scale)
510 int durationDiff = posx - endPos();
511 if (durationDiff == 0) return;
512 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
513 if (m_cropDuration + durationDiff <= 0) {
514 durationDiff = - (m_cropDuration - 3);
516 else if (m_cropDuration + durationDiff >= m_maxDuration) {
517 durationDiff = m_maxDuration - m_cropDuration;
519 m_cropDuration += durationDiff;
520 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
521 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
522 for (int i = 0; i < collisionList.size(); ++i) {
523 QGraphicsItem *item = collisionList.at(i);
524 if (item->type() == 70000)
526 int diff = ((ClipItem *)item)->startPos() - 1 - startPos();
527 m_cropDuration = diff;
528 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
532 if (m_hasThumbs) endThumbTimer->start(100);
536 void ClipItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event )
540 int ClipItem::track()
545 void ClipItem::setTrack(int track)
550 int ClipItem::effectsCounter()
552 return m_effectsCounter++;
555 int ClipItem::effectsCount()
557 return m_effectList.size();
560 QStringList ClipItem::effectNames()
562 return m_effectList.effectNames();
565 QDomElement ClipItem::effectAt(int ix)
567 return m_effectList.at(ix);
570 void ClipItem::setEffectAt(int ix, QDomElement effect)
572 kDebug()<<"CHange EFFECT AT: "<<ix<<", CURR: "<<m_effectList.at(ix).attribute("tag")<<", NEW: "<<effect.attribute("tag");
573 m_effectList.insert(ix, effect);
574 m_effectList.removeAt(ix + 1);
575 update(boundingRect());
578 QMap <QString, QString> ClipItem::addEffect(QDomElement effect)
580 QMap <QString, QString> effectParams;
581 m_effectList.append(effect);
582 effectParams["tag"] = effect.attribute("tag");
583 effectParams["kdenlive_ix"] = effect.attribute("kdenlive_ix");
584 QDomNodeList params = effect.elementsByTagName("parameter");
585 for (int i = 0; i < params.count(); i++) {
586 QDomElement e = params.item(i).toElement();
588 effectParams[e.attribute("name")] = e.attribute("value");
590 update(boundingRect());
594 QMap <QString, QString> ClipItem::getEffectArgs(QDomElement effect)
596 QMap <QString, QString> effectParams;
597 effectParams["tag"] = effect.attribute("tag");
598 effectParams["kdenlive_ix"] = effect.attribute("kdenlive_ix");
599 QDomNodeList params = effect.elementsByTagName("parameter");
600 for (int i = 0; i < params.count(); i++) {
601 QDomElement e = params.item(i).toElement();
603 effectParams[e.attribute("name")] = e.attribute("value");
608 void ClipItem::deleteEffect(QString index)
610 for (int i = 0; i < m_effectList.size(); ++i) {
611 if (m_effectList.at(i).attribute("kdenlive_ix") == index) {
612 m_effectList.removeAt(i);
616 update(boundingRect());
622 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
624 int pos = event->x();
625 if (event->modifiers() == Qt::ControlModifier)
626 setDragMode(QGraphicsView::ScrollHandDrag);
627 else if (event->modifiers() == Qt::ShiftModifier)
628 setDragMode(QGraphicsView::RubberBandDrag);
630 QGraphicsItem * item = itemAt(event->pos());
633 else emit cursorMoved((int) mapToScene(event->x(), 0).x());
636 QGraphicsView::mousePressEvent(event);
639 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
641 QGraphicsView::mouseReleaseEvent(event);
642 setDragMode(QGraphicsView::NoDrag);
646 #include "clipitem.moc"