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(QDomElement xml, int track, int startpos, const QRectF & rect, int duration)
37 : QGraphicsRectItem(rect), m_xml(xml), m_resizeMode(NONE), m_grabPoint(0), m_maxTrack(0), m_track(track), m_startPos(startpos), m_thumbProd(NULL), startThumbTimer(NULL), endThumbTimer(NULL), m_startFade(0), m_endFade(0)
41 m_clipName = xml.attribute("name");
42 if (m_clipName.isEmpty()) m_clipName = KUrl(xml.attribute("resource")).fileName();
44 m_producer = xml.attribute("id").toInt();
46 m_clipType = (CLIPTYPE) xml.attribute("type").toInt();
48 m_cropStart = xml.attribute("in", 0).toInt();
49 m_maxDuration = xml.attribute("duration", 0).toInt();
50 if (m_maxDuration == 0) m_maxDuration = xml.attribute("out", 0).toInt() - m_cropStart;
52 if (duration != -1) m_cropDuration = duration;
53 else m_cropDuration = m_maxDuration;
55 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemClipsChildrenToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
57 setBrush(QColor(100, 100, 150));
58 if (m_clipType == VIDEO || m_clipType == AV) {
59 m_thumbProd = new KThumb(KUrl(xml.attribute("resource")), KdenliveSettings::track_height() * KdenliveSettings::project_display_ratio(), KdenliveSettings::track_height());
60 connect(this, SIGNAL(getThumb(int, int)), m_thumbProd, SLOT(extractImage(int, int)));
61 connect(m_thumbProd, SIGNAL(thumbReady(int, QPixmap)), this, SLOT(slotThumbReady(int, QPixmap)));
62 QTimer::singleShot(300, this, SLOT(slotFetchThumbs()));
64 startThumbTimer = new QTimer(this);
65 startThumbTimer->setSingleShot(true);
66 connect(startThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetStartThumb()));
67 endThumbTimer = new QTimer(this);
68 endThumbTimer->setSingleShot(true);
69 connect(endThumbTimer, SIGNAL(timeout()), this, SLOT(slotGetEndThumb()));
72 else if (m_clipType == COLOR) {
73 QString colour = xml.attribute("colour");
74 colour = colour.replace(0, 2, "#");
75 setBrush(QColor(colour.left(7)));
77 else if (m_clipType == IMAGE) {
78 m_startPix = KThumb::getImage(KUrl(xml.attribute("resource")), 50 * KdenliveSettings::project_display_ratio(), 50);
84 if (startThumbTimer) delete startThumbTimer;
85 if (endThumbTimer) delete endThumbTimer;
86 if (m_thumbProd) delete m_thumbProd;
89 void ClipItem::slotFetchThumbs()
91 emit getThumb(m_cropStart, m_cropStart + m_cropDuration);
94 void ClipItem::slotGetStartThumb()
96 emit getThumb(m_cropStart, -1);
99 void ClipItem::slotGetEndThumb()
101 emit getThumb(-1, m_cropStart + m_cropDuration);
104 void ClipItem::slotThumbReady(int frame, QPixmap pix)
106 if (frame == m_cropStart) m_startPix = pix;
111 int ClipItem::type () const
116 QDomElement ClipItem::xml() const
121 int ClipItem::clipType()
126 QString ClipItem::clipName()
131 int ClipItem::clipProducer()
136 int ClipItem::maxDuration()
138 return m_maxDuration;
141 int ClipItem::duration()
143 return m_cropDuration;
146 int ClipItem::startPos()
151 int ClipItem::endPos()
153 return m_startPos + m_cropDuration;
157 void ClipItem::paint(QPainter *painter,
158 const QStyleOptionGraphicsItem *option,
162 painter->setRenderHints(QPainter::Antialiasing);
163 QPainterPath roundRectPath;
164 double roundingY = 20;
165 double roundingX = 20;
167 painter->setClipRect(option->exposedRect);
168 if (roundingX > br.width() / 2) roundingX = br.width() / 2;
169 //kDebug()<<"-----PAINTING, SCAL: "<<scale<<", height: "<<br.height();
170 roundRectPath.moveTo(br.x() + br .width() - offset, br.y() + roundingY);
171 roundRectPath.arcTo(br.x() + br .width() - roundingX - offset, br.y(), roundingX, roundingY, 0.0, 90.0);
172 roundRectPath.lineTo(br.x() + roundingX, br.y());
173 roundRectPath.arcTo(br.x() + offset, br.y(), roundingX, roundingY, 90.0, 90.0);
174 roundRectPath.lineTo(br.x() + offset, br.y() + br.height() - roundingY);
175 roundRectPath.arcTo(br.x() + offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 180.0, 90.0);
176 roundRectPath.lineTo(br.x() + br .width() - roundingX, br.y() + br.height() - offset);
177 roundRectPath.arcTo(br.x() + br .width() - roundingX - offset, br.y() + br.height() - roundingY - offset, roundingX, roundingY, 270.0, 90.0);
178 roundRectPath.closeSubpath();
179 painter->setClipPath(roundRectPath, Qt::IntersectClip);
180 //painter->fillPath(roundRectPath, brush()); //, QBrush(QColor(Qt::red)));
181 painter->fillRect(br, brush());
182 //painter->fillRect(QRectF(br.x() + br.width() - m_endPix.width(), br.y(), m_endPix.width(), br.height()), QBrush(QColor(Qt::black)));
185 if (!m_startPix.isNull()) {
186 if (m_clipType == IMAGE) {
187 painter->drawPixmap(QPointF(br.x() + br.width() - m_startPix.width(), br.y()), m_startPix);
188 QLineF l(br.x() + br.width() - m_startPix.width(), br.y(), br.x() + br.width() - m_startPix.width(), br.y() + br.height());
189 painter->drawLine(l);
191 painter->drawPixmap(QPointF(br.x() + br.width() - m_endPix.width(), br.y()), m_endPix);
192 QLineF l(br.x() + br.width() - m_endPix.width(), br.y(), br.x() + br.width() - m_endPix.width(), br.y() + br.height());
193 painter->drawLine(l);
196 painter->drawPixmap(QPointF(br.x(), br.y()), m_startPix);
197 QLineF l2(br.x() + m_startPix.width(), br.y(), br.x() + m_startPix.width(), br.y() + br.height());
198 painter->drawLine(l2);
201 // draw start / end fades
202 double scale = br.width() / m_cropDuration;
205 fades = QBrush(QColor(200, 50, 50, 150));
207 else fades = QBrush(QColor(200, 200, 200, 200));
209 if (m_startFade != 0) {
210 QPainterPath fadeInPath;
211 fadeInPath.moveTo(br.x() - offset, br.y());
212 fadeInPath.lineTo(br.x() - offset, br.y() + br.height());
213 fadeInPath.lineTo(br.x() + m_startFade * scale, br.y());
214 fadeInPath.closeSubpath();
215 painter->fillPath(fadeInPath, fades);
217 QLineF l(br.x() + m_startFade * scale, br.y(), br.x(), br.y() + br.height());
218 painter->drawLine(l);
221 if (m_endFade != 0) {
222 QPainterPath fadeOutPath;
223 fadeOutPath.moveTo(br.x() + br.width(), br.y());
224 fadeOutPath.lineTo(br.x() + br.width(), br.y() + br.height());
225 fadeOutPath.lineTo(br.x() + br.width() - m_endFade * scale, br.y());
226 fadeOutPath.closeSubpath();
227 painter->fillPath(fadeOutPath, fades);
229 QLineF l(br.x() + br.width() - m_endFade * scale, br.y(), br.x() + br.width(), br.y() + br.height());
230 painter->drawLine(l);
234 painter->setClipRect(option->exposedRect);
235 QPen pen = painter->pen();
236 pen.setColor(Qt::red);
237 pen.setStyle(Qt::DashDotDotLine); //Qt::DotLine);
240 QRectF txtBounding = painter->boundingRect(br, Qt::AlignCenter, " " + m_clipName + " ");
241 painter->fillRect(txtBounding, QBrush(QColor(255,255,255,150)));
242 painter->drawText(txtBounding, Qt::AlignCenter, m_clipName);
244 if (isSelected()) painter->setPen(pen);
245 painter->drawPath(roundRectPath);
246 //painter->fillRect(QRect(br.x(), br.y(), roundingX, roundingY), QBrush(QColor(Qt::green)));
248 /*QRectF recta(rect().x(), rect().y(), scale,rect().height());
249 painter->drawRect(recta);
250 painter->drawLine(rect().x() + 1, rect().y(), rect().x() + 1, rect().y() + rect().height());
251 painter->drawLine(rect().x() + rect().width(), rect().y(), rect().x() + rect().width(), rect().y() + rect().height());
252 painter->setPen(QPen(Qt::black, 1.0));
253 painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
254 painter->drawLine(rect().x(), rect().y() + rect().height(), rect().x() + rect().width(), rect().y() + rect().height());*/
256 //QGraphicsRectItem::paint(painter, option, widget);
257 //QPen pen(Qt::green, 1.0 / size.x() + 0.5);
258 //painter->setPen(pen);
259 //painter->drawLine(rect().x(), rect().y(), rect().x() + rect().width(), rect().y());
260 //kDebug()<<"ITEM REPAINT RECT: "<<boundingRect().width();
261 //painter->drawText(rect(), Qt::AlignCenter, m_name);
262 // painter->drawRect(boundingRect());
263 //painter->drawRoundRect(-10, -10, 20, 20);
267 OPERATIONTYPE ClipItem::operationMode(QPointF pos, double scale)
269 if (abs(pos.x() - (rect().x() + scale * m_startFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEIN;
270 else if (abs(pos.x() - rect().x()) < 6) return RESIZESTART;
271 else if (abs(pos.x() - (rect().x() + rect().width() - scale * m_endFade)) < 6 && abs(pos.y() - rect().y()) < 6) return FADEOUT;
272 else if (abs(pos.x() - (rect().x() + rect().width())) < 6) return RESIZEEND;
276 int ClipItem::fadeIn() const
281 int ClipItem::fadeOut() const
286 void ClipItem::setFadeIn(int pos, double scale)
288 int oldIn = m_startFade;
289 if (pos < 0) pos = 0;
290 if (pos > m_cropDuration) pos = m_cropDuration / 2;
292 if (oldIn > pos) update(rect().x(), rect().y(), oldIn * scale, rect().height());
293 else update(rect().x(), rect().y(), pos * scale, rect().height());
296 void ClipItem::setFadeOut(int pos, double scale)
298 int oldOut = m_endFade;
299 if (pos < 0) pos = 0;
300 if (pos > m_cropDuration) pos = m_cropDuration / 2;
302 if (oldOut > pos) update(rect().x() + rect().width() - pos * scale, rect().y(), pos * scale, rect().height());
303 else update(rect().x() + rect().width() - oldOut * scale, rect().y(), oldOut * scale, rect().height());
309 void ClipItem::mousePressEvent ( QGraphicsSceneMouseEvent * event )
311 /*m_resizeMode = operationMode(event->pos());
312 if (m_resizeMode == MOVE) {
313 m_maxTrack = scene()->sceneRect().height();
314 m_grabPoint = (int) (event->pos().x() - rect().x());
316 QGraphicsRectItem::mousePressEvent(event);
320 void ClipItem::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )
323 QGraphicsRectItem::mouseReleaseEvent(event);
326 void ClipItem::moveTo(int x, double scale, double offset, int newTrack)
328 double origX = rect().x();
329 double origY = rect().y();
331 setRect(x * scale, origY + offset, rect().width(), rect().height());
332 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
333 if (collisionList.size() == 0) m_track = newTrack;
334 for (int i = 0; i < collisionList.size(); ++i) {
335 QGraphicsItem *item = collisionList.at(i);
336 if (item->type() == 70000)
340 QRectF other = ((QGraphicsRectItem *)item)->rect();
341 if (x < m_startPos) {
342 kDebug()<<"COLLISION, MOVING TO------";
343 m_startPos = ((ClipItem *)item)->endPos() + 1;
344 origX = m_startPos * scale;
347 kDebug()<<"COLLISION, MOVING TO+++";
348 m_startPos = ((ClipItem *)item)->startPos() - m_cropDuration;
349 origX = m_startPos * scale;
352 setRect(origX, origY, rect().width(), rect().height());
363 /* QList <QGraphicsItem *> childrenList = QGraphicsItem::children();
364 for (int i = 0; i < childrenList.size(); ++i) {
365 childrenList.at(i)->moveBy(rect().x() - origX , offset);
369 void ClipItem::resizeStart(int posx, double scale)
371 int durationDiff = posx - m_startPos;
372 if (durationDiff == 0) return;
373 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
374 if (m_cropStart + durationDiff < 0) {
375 durationDiff = -m_cropStart;
377 else if (durationDiff >= m_cropDuration) {
378 durationDiff = m_cropDuration - 3;
380 m_startPos += durationDiff;
381 m_cropStart += durationDiff;
382 m_cropDuration -= durationDiff;
383 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
384 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
385 for (int i = 0; i < collisionList.size(); ++i) {
386 QGraphicsItem *item = collisionList.at(i);
387 if (item->type() == 70000)
389 int diff = ((ClipItem *)item)->endPos() + 1 - m_startPos;
390 setRect((m_startPos + diff) * scale, rect().y(), (m_cropDuration - diff) * scale, rect().height());
393 m_cropDuration -= diff;
397 if (m_thumbProd) startThumbTimer->start(100);
400 void ClipItem::resizeEnd(int posx, double scale)
402 int durationDiff = posx - endPos();
403 if (durationDiff == 0) return;
404 kDebug()<<"-- RESCALE: CROP="<<m_cropStart<<", DIFF = "<<durationDiff;
405 if (m_cropDuration + durationDiff <= 0) {
406 durationDiff = - (m_cropDuration - 3);
408 else if (m_cropDuration + durationDiff >= m_maxDuration) {
409 durationDiff = m_maxDuration - m_cropDuration;
411 m_cropDuration += durationDiff;
412 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
413 QList <QGraphicsItem *> collisionList = collidingItems(Qt::IntersectsItemBoundingRect);
414 for (int i = 0; i < collisionList.size(); ++i) {
415 QGraphicsItem *item = collisionList.at(i);
416 if (item->type() == 70000)
418 int diff = ((ClipItem *)item)->startPos() - 1 - startPos();
419 m_cropDuration = diff;
420 setRect(m_startPos * scale, rect().y(), m_cropDuration * scale, rect().height());
424 if (m_thumbProd) endThumbTimer->start(100);
428 void ClipItem::mouseMoveEvent ( QGraphicsSceneMouseEvent * event )
432 int ClipItem::track()
437 void ClipItem::setTrack(int track)
445 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
447 int pos = event->x();
448 if (event->modifiers() == Qt::ControlModifier)
449 setDragMode(QGraphicsView::ScrollHandDrag);
450 else if (event->modifiers() == Qt::ShiftModifier)
451 setDragMode(QGraphicsView::RubberBandDrag);
453 QGraphicsItem * item = itemAt(event->pos());
456 else emit cursorMoved((int) mapToScene(event->x(), 0).x());
459 QGraphicsView::mousePressEvent(event);
462 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
464 QGraphicsView::mouseReleaseEvent(event);
465 setDragMode(QGraphicsView::NoDrag);
469 #include "clipitem.moc"