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"
35 #include "abstractclipitem.h"
37 class ClipItem : public AbstractClipItem {
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;
56 GenTime cropStart() const;
57 QDomElement xml() const;
59 void setFadeOut(int pos, double scale);
60 void setFadeIn(int pos, double scale);
61 /** Give a string list of the clip's effect names */
62 QStringList effectNames();
63 /** Add an effect to the clip and return the parameters that will be passed to Mlt */
64 QMap <QString, QString> addEffect(QDomElement effect);
65 /** Get the effect parameters that will be passed to Mlt */
66 QMap <QString, QString> getEffectArgs(QDomElement effect);
67 /** Delete effect with id index */
68 void deleteEffect(QString index);
69 /** return the number of effects in that clip */
71 /** return a unique effect id */
73 /** return the xml of effect at index ix in stack */
74 QDomElement effectAt(int ix);
75 /** Replace effect at pos ix with given value */
76 void setEffectAt(int ix, QDomElement effect);
80 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
81 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
82 virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
83 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
84 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
85 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
86 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
87 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
92 OPERATIONTYPE m_resizeMode;
97 GenTime m_maxDuration;
105 QTimer *startThumbTimer;
106 QTimer *endThumbTimer;
108 /** counter used to provide a unique id to each effect */
109 int m_effectsCounter;
111 QTimeLine *m_timeLine;
112 uint m_thumbsRequested;
115 EffectsList m_effectList;
116 QList <Transition> m_transitionsList;
117 QMap<int, QPixmap> audioThumbCachePic;
118 bool audioThumbWasDrawn, audioThumbReady;
119 double framePixelWidth;
120 QMap<int, QPainterPath > channelPaths;
123 void slotThumbReady(int frame, QPixmap pix);
124 void slotFetchThumbs();
125 void slotGetStartThumb();
126 void slotGetEndThumb();
127 void slotGotAudioData();
128 void slotPrepareAudioThumb(double, QPainterPath, int, int);
129 void animate(qreal value);
132 void getThumb(int, int);
133 void prepareAudioThumb(double, QPainterPath, int, int);