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"
36 class ClipItem : public QObject, public QGraphicsRectItem
41 ClipItem(DocClipBase *clip, int track, int startpos, const QRectF & rect, int duration);
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();
57 void setTrack(int track);
62 QDomElement xml() const;
65 void setFadeOut(int pos, double scale);
66 void setFadeIn(int pos, double scale);
67 /** Give a string list of the clip's effect names */
68 QStringList effectNames();
69 /** Add an effect to the clip and return the parameters that will be passed to Mlt */
70 QMap <QString, QString> addEffect(QDomElement effect);
71 /** Get the effect parameters that will be passed to Mlt */
72 QMap <QString, QString> getEffectArgs(QDomElement effect);
73 /** Delete effect with id index */
74 void deleteEffect(QString index);
75 /** return the number of effects in that clip */
77 /** return a unique effect id */
79 /** return the xml of effect at index ix in stack */
80 QDomElement effectAt(int ix);
81 /** Replace effect at pos ix with given value */
82 void setEffectAt(int ix, QDomElement effect);
86 virtual void mouseMoveEvent ( QGraphicsSceneMouseEvent * event );
87 virtual void mouseReleaseEvent ( QGraphicsSceneMouseEvent * event );
88 virtual void mousePressEvent ( QGraphicsSceneMouseEvent * event );
89 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
90 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
91 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
97 OPERATIONTYPE m_resizeMode;
111 QTimer *startThumbTimer;
112 QTimer *endThumbTimer;
115 /** counter used to provide a unique id to each effect */
116 int m_effectsCounter;
118 QTimeLine *m_timeLine;
119 uint m_thumbsRequested;
121 EffectsList m_effectList;
122 QMap<int,QPixmap> audioThumbCachePic;
123 bool audioThumbWasDrawn,audioThumbReady;
124 double framePixelWidth;
125 QMap<int,QPainterPath > channelPaths;
128 void slotThumbReady(int frame, QPixmap pix);
129 void slotFetchThumbs();
130 void slotGetStartThumb();
131 void slotGetEndThumb();
132 void slotGotAudioData();
133 void slotPrepareAudioThumb(double,QPainterPath,int,int);
134 void animate(qreal value);
137 void getThumb(int, int);
138 void prepareAudioThumb(double,QPainterPath,int,int);