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)
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 QTimer::singleShot(300, this, SLOT(slotFetchThumbs()));
68 startThumbTimer = new QTimer(this);
69 startThumbTimer->setSingleShot(true);
70 connect(startThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetStartThumb()));
71 endThumbTimer = new QTimer(this);
72 endThumbTimer->setSingleShot(true);
73 connect(endThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetEndThumb()));
76 else if (m_clipType == COLOR) {
77 QString colour = m_xml.attribute("colour");
78 colour = colour.replace(0, 2, "#");
79 setBrush(QColor(colour.left(7)));
81 else if (m_clipType == IMAGE) {
82 m_startPix = KThumb::getImage(KUrl(m_xml.attribute("resource")), 50 * KdenliveSettings::project_display_ratio(), 50);
89 if (startThumbTimer) delete startThumbTimer;
90 if (endThumbTimer) delete endThumbTimer;
93 void ClipItem::slotFetchThumbs()
95 emit getThumb(m_cropStart, m_cropStart + m_cropDuration);
98 void ClipItem::slotGetStartThumb()
100 emit getThumb(m_cropStart, -1);
103 void ClipItem::slotGetEndThumb()
105 emit getThumb(-1, m_cropStart + m_cropDuration);
108 void ClipItem::slotThumbReady(int frame, QPixmap pix)
110 if (frame == m_cropStart) m_startPix = pix;
115 int ClipItem::type () const
120 DocClipBase *ClipItem::baseClip()
125 QDomElement ClipItem::xml() const
130 int ClipItem::clipType()
135 QString ClipItem::clipName()
140 int ClipItem::clipProducer()
145 int ClipItem::maxDuration()
147 return m_maxDuration;
150 int ClipItem::duration()
152 return m_cropDuration;
155 int ClipItem::startPos()
160 int ClipItem::cropStart()
165 int ClipItem::endPos()
167 return m_startPos + m_cropDuration;
171 void ClipItem::paint(QPainter *painter,
172 const QStyleOptionGraphicsItem *option,
176 painter->setRenderHints(QPainter::Antialiasing);
177 QPainterPath roundRectPath;
178 double roundingY = 20;
179 double roundingX = 20;
181 painter->setClipRect(option->exposedRect);
182 if (roundingX > br.width() / 2) roundingX = br.width() / 2;
183 //kDebug()<<"-----PAINTING, SCAL: "<<scale<<", height: "<<br.height();
184 roundRectPath.moveTo(br.x() + br .width() - offset, br.y() + roundingY);
185 roundRectPath.arcTo(br.x() + br .width() - roundingX - offset, br.y(), roundingX, roundingY, 0.0, 90.0);
186 roundRectPath.lineTo(br.x() + roundingX, br.y());
187 roundRectPath.arcTo(br.x() + offset, br.y(), roundingX, roundingY, 90.0, 90.0);
188 roundRectPath.lineTo(br.x() + offset, br.y() + br.height() - roundingY);
189 roundRectPath.arcTo(br.x() + offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 180.0, 90.0);
190 roundRectPath.lineTo(br.x() + br .width() - roundingX, br.y() + br.height() - offset);
191 roundRectPath.arcTo(br.x() + br .width() - roundingX - offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 270.0, 90.0);
192 roundRectPath.closeSubpath();
193 painter->setClipPath(roundRectPath, Qt::IntersectClip);
194 //painter->fillPath(roundRectPath, brush()); //, QBrush(QColor(Qt::red)));
195 painter->fillRect(br, brush());
196 //painter->fillRect(QRectF(br.x() + br.width() - m_endPix.width(), br.y(), m_endPix.width(), br.height()), QBrush(QColor(Qt::black)));
199 if (!m_startPix.isNull()) {
200 if (m_clipType == IMAGE) {
201 painter->drawPixmap(QPointF(br.x() + br.width() - m_startPix.width(), br.y()), m_startPix);
202 QLineF l(br.x() + br.width() - m_startPix.width(), br.y(), br.x() + br.width() - m_startPix.width(), br.y() + br.height());
203 painter->drawLine(l);
205 painter->drawPixmap(QPointF(br.x() + br.width() - m_endPix.width(), br.y()), m_endPix);
206 QLineF l(br.x() + br.width() - m_endPix.width(), br.y(), br.x() + br.width() - m_endPix.width(), br.y() + br.height());
207 painter->drawLine(l);
210 painter->drawPixmap(QPointF(br.x(), br.y()), m_startPix);
211 QLineF l2(br.x() + m_startPix.width(), br.y(), br.x() + m_startPix.width(), br.y() + br.height());
212 painter->drawLine(l2);
215 // draw start / end fades
216 double scale = br.width() / m_cropDuration;
219 fades = QBrush(QColor(200, 50, 50, 150));
221 else fades = QBrush(QColor(200, 200, 200, 200));
223 if (m_startFade != 0) {
224 QPainterPath fadeInPath;
225 fadeInPath.moveTo(br.x() - offset, br.y());
226 fadeInPath.lineTo(br.x() - offset, br.y() + br.height());
227 fadeInPath.lineTo(br.x() + m_startFade * scale, br.y());
228 fadeInPath.closeSubpath();
229 painter->fillPath(fadeInPath, fades);
231 QLineF l(br.x() + m_startFade * scale, br.y(), br.x(), br.y() + br.height());
232 painter->drawLine(l);
235 if (m_endFade != 0) {
236 QPainterPath fadeOutPath;
237 fadeOutPath.moveTo(br.x() + br.width(), br.y());
238 fadeOutPath.lineTo(br.x() + br.width(), br.y() + br.height());
239 fadeOutPath.lineTo(br.x() + br.width() - m_endFade * scale, br.y());
240 fadeOutPath.closeSubpath();
241 painter->fillPath(fadeOutPath, fades);
243 QLineF l(br.x() + br.width() - m_endFade * scale, br.y(), br.x() + br.width(), br.y() + br.height());
244 painter->drawLine(l);
248 painter->setClipRect(option->exposedRect);
249 QPen pen = painter->pen();
250 pen.setColor(Qt::red);
251 pen.setStyle(Qt::DashDotDotLine); //Qt::DotLine);
254 QRectF txtBounding = painter->boundingRect(br, Qt::AlignCenter, " " + m_clipName + " ");
255 painter->fillRect(txtBounding, QBrush(QColor(255,255,255,150)));
256 painter->drawText(txtBounding, Qt::AlignCenter, m_clipName);
258 if (isSelected()) painter->setPen(pen);
259 painter->drawPath(roundRectPath);
260 //painter->fillRect(QRect(br.x(), br.y(), roundingX, roundingY), QBrush(QColor(Qt::green)));
262 /*QRectF recta(rect().x(), rect().y(), scale,rect().height());
263 painter->drawRect(recta);
264 painter->drawLine(rect().x() + 1, rect().y(), rect().x() + 1, rect().y() + rect().height());
265 painter->drawLine(rect().x() + rect().width(), rect().y(), rect().x() + rect().width(), rect().y() + rect().height());
266 painter->setPen(QPen(Qt::black, 1.0));
267 painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
268 painter->drawLine(rect().x(), rect().y() + rect().height(), rect().x() + rect().width(), rect().y() + rect().height());*/
270 //QGraphicsRectItem::paint(painter, option, widget);
271 //QPen pen(Qt::green, 1.0 / size.x() + 0.5);
272 //painter->setPen(pen);
273 //painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
274 //kDebug()<<"ITEM REPAINT RECT: "<<boundingRect().width();
275 //painter->drawText(rect(), Qt::AlignCenter, m_name);
276 // painter->drawRect(boundingRect());
277 //painter->drawRoundRect(-10, -10, 20, 20);
281 OPERATIONTYPE ClipItem::operationMode(QPointF pos, double scale)
283 if (abs(pos.x() - (rect().x() + scale * m_startFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEIN;
284 else if (abs(pos.x() - rect().x()) < 6) return RESIZESTART;
285 else if (abs(pos.x() - (rect().x() + rect().width() - scale * m_endFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEOUT;
286 else if (abs(pos.x() - (rect().x() + rect().width())) < 6) return RESIZEEND;
290 int ClipItem::fadeIn() const
295 int ClipItem::fadeOut() const
300 void ClipItem::setFadeIn(int pos, double scale)
302 int oldIn = m_startFade;
303 if (pos < 0) pos = 0;
304 if (pos > m_cropDuration) pos = m_cropDuration / 2;
306 if (oldIn > pos) update(rect().x(), rect().y(), oldIn * scale, rect().height());
307 else update(rect().x(), rect().y(), pos * scale, rect().height());
310 void ClipItem::setFadeOut(int pos, double scale)
312 int oldOut = m_endFade;
313 if (pos < 0) pos = 0;
314 if (pos > m_cropDuration) pos = m_cropDuration / 2;
316 if (oldOut > pos) update(rect().x() + rect().width() - pos * scale, rect().y(), pos * scale, rect().height());
317 else update(rect().x() + rect().width() - oldOut * scale, rect().y(), oldOut * scale, rect().height());
323 void ClipItem::mousePressEvent ( QGraphicsSceneMouseEvent * event )
325 /*m_resizeMode = operationMode(event->pos());
326 if (m_resizeMode == MOVE) {
327 m_maxTrack = scene()->sceneRect().height();
328 m_grabPoint = (int) (event->pos().x() - rect().x());
330 QGraphicsRectItem::mousePressEvent(event);
334 void ClipItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
337 QGraphicsRectItem::mouseReleaseEvent(event);
340 void ClipItem::moveTo(int x, double scale, double offset, int newTrack)
342 double origX = rect().x();
343 double origY = rect().y();
346 setRect(x * scale, origY + offset, rect().width(), rect().height());
347 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
348 if (collisionList.size() == 0) m_track = newTrack;
349 for (int i = 0; i < collisionList.size(); ++i) {
350 QGraphicsItem *item = collisionList.at(i);
351 if (item->type() == 70000)
355 QRectF other = ((QGraphicsRectItem *)item)->rect();
356 if (x < m_startPos) {
357 kDebug()<<"COLLISION, MOVING TO------";
358 m_startPos = ((ClipItem *)item)->endPos() + 1;
359 origX = m_startPos * scale;
362 kDebug()<<"COLLISION, MOVING TO+++";
363 m_startPos = ((ClipItem *)item)->startPos() - m_cropDuration;
364 origX = m_startPos * scale;
367 setRect(origX, origY, rect().width(), rect().height());
378 /* QList <QGraphicsItem *> childrenList = QGraphicsItem::children();
379 for (int i = 0; i < childrenList.size(); ++i) {
380 childrenList.at(i)->moveBy(rect().x() - origX , offset);
384 void ClipItem::resizeStart(int posx, double scale)
386 int durationDiff = posx - m_startPos;
387 if (durationDiff == 0) return;
388 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
389 if (m_cropStart + durationDiff < 0) {
390 durationDiff = -m_cropStart;
392 else if (durationDiff >= m_cropDuration) {
393 durationDiff = m_cropDuration - 3;
395 m_startPos += durationDiff;
396 m_cropStart += durationDiff;
397 m_cropDuration -= durationDiff;
398 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
399 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
400 for (int i = 0; i < collisionList.size(); ++i) {
401 QGraphicsItem *item = collisionList.at(i);
402 if (item->type() == 70000)
404 int diff = ((ClipItem *)item)->endPos() + 1 - m_startPos;
405 setRect((m_startPos + diff) * scale, rect().y(), (m_cropDuration - diff) * scale, rect().height());
408 m_cropDuration -= diff;
412 if (m_hasThumbs) startThumbTimer->start(100);
415 void ClipItem::resizeEnd(int posx, double scale)
417 int durationDiff = posx - endPos();
418 if (durationDiff == 0) return;
419 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
420 if (m_cropDuration + durationDiff <= 0) {
421 durationDiff = - (m_cropDuration - 3);
423 else if (m_cropDuration + durationDiff >= m_maxDuration) {
424 durationDiff = m_maxDuration - m_cropDuration;
426 m_cropDuration += durationDiff;
427 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
428 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
429 for (int i = 0; i < collisionList.size(); ++i) {
430 QGraphicsItem *item = collisionList.at(i);
431 if (item->type() == 70000)
433 int diff = ((ClipItem *)item)->startPos() - 1 - startPos();
434 m_cropDuration = diff;
435 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
439 if (m_hasThumbs) endThumbTimer->start(100);
443 void ClipItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event )
447 int ClipItem::track()
452 void ClipItem::setTrack(int track)
460 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
462 int pos = event->x();
463 if (event->modifiers() == Qt::ControlModifier)
464 setDragMode(QGraphicsView::ScrollHandDrag);
465 else if (event->modifiers() == Qt::ShiftModifier)
466 setDragMode(QGraphicsView::RubberBandDrag);
468 QGraphicsItem * item = itemAt(event->pos());
471 else emit cursorMoved((int) mapToScene(event->x(), 0).x());
474 QGraphicsView::mousePressEvent(event);
477 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
479 QGraphicsView::mouseReleaseEvent(event);
480 setDragMode(QGraphicsView::NoDrag);
484 #include "clipitem.moc"