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 <QGraphicsRectItem>
25 #include <QDomElement>
26 #include <QGraphicsSceneMouseEvent>
29 #include "definitions.h"
31 #include "effectslist.h"
32 #include "docclipbase.h"
34 #include "transition.h"
37 class ClipItem : public QObject, public QGraphicsRectItem {
41 ClipItem(DocClipBase *clip, int track, GenTime startpos, const QRectF & rect, GenTime duration, double fps);
43 virtual void paint(QPainter *painter,
44 const QStyleOptionGraphicsItem *option,
46 virtual int type() const;
47 void moveTo(int x, double scale, double offset, int newTrack);
48 void resizeStart(int posx, double scale);
49 void resizeEnd(int posx, double scale);
50 OPERATIONTYPE operationMode(QPointF pos, double scale);
53 DocClipBase *baseClip();
55 GenTime maxDuration() const;
57 void setTrack(int track);
58 GenTime startPos() const;
59 GenTime cropStart() const;
60 GenTime endPos() const;
61 GenTime duration() const;
63 QDomElement xml() const;
66 void setFadeOut(int pos, double scale);
67 void setFadeIn(int pos, double scale);
68 /** Give a string list of the clip's effect names */
69 QStringList effectNames();
70 /** Add an effect to the clip and return the parameters that will be passed to Mlt */
71 QMap <QString, QString> addEffect(QDomElement effect);
72 /** Get the effect parameters that will be passed to Mlt */
73 QMap <QString, QString> getEffectArgs(QDomElement effect);
74 /** Delete effect with id index */
75 void deleteEffect(QString index);
76 /** return the number of effects in that clip */
78 /** return a unique effect id */
80 /** return the xml of effect at index ix in stack */
81 QDomElement effectAt(int ix);
82 /** Replace effect at pos ix with given value */
83 void setEffectAt(int ix, QDomElement effect);
85 void addTransition(Transition tr);
88 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
89 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
90 virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
91 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
92 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
93 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
94 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
95 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
100 OPERATIONTYPE m_resizeMode;
105 GenTime m_maxDuration;
107 GenTime m_cropDuration;
114 QTimer *startThumbTimer;
115 QTimer *endThumbTimer;
118 /** counter used to provide a unique id to each effect */
119 int m_effectsCounter;
121 QTimeLine *m_timeLine;
122 uint m_thumbsRequested;
126 EffectsList m_effectList;
127 QList <Transition> m_transitionsList;
128 QMap<int, QPixmap> audioThumbCachePic;
129 bool audioThumbWasDrawn, audioThumbReady;
130 double framePixelWidth;
131 QMap<int, QPainterPath > channelPaths;
134 void slotThumbReady(int frame, QPixmap pix);
135 void slotFetchThumbs();
136 void slotGetStartThumb();
137 void slotGetEndThumb();
138 void slotGotAudioData();
139 void slotPrepareAudioThumb(double, QPainterPath, int, int);
140 void animate(qreal value);
143 void getThumb(int, int);
144 void prepareAudioThumb(double, QPainterPath, int, int);