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 {
40 ClipItem(DocClipBase *clip, int track, GenTime startpos, const QRectF & rect, GenTime duration, double fps);
42 virtual void paint(QPainter *painter,
43 const QStyleOptionGraphicsItem *option,
45 virtual int type() const;
46 void moveTo(int x, double scale, double offset, int newTrack);
47 void resizeStart(int posx, double scale);
48 void resizeEnd(int posx, double scale);
49 OPERATIONTYPE operationMode(QPointF pos, double scale);
52 DocClipBase *baseClip();
54 GenTime maxDuration() const;
56 void setTrack(int track);
57 GenTime startPos() const;
58 GenTime cropStart() const;
59 GenTime endPos() const;
60 GenTime duration() const;
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);
92 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
93 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
98 OPERATIONTYPE m_resizeMode;
103 GenTime m_maxDuration;
105 GenTime m_cropDuration;
112 QTimer *startThumbTimer;
113 QTimer *endThumbTimer;
116 /** counter used to provide a unique id to each effect */
117 int m_effectsCounter;
119 QTimeLine *m_timeLine;
120 uint m_thumbsRequested;
124 EffectsList m_effectList;
125 QMap<int, QPixmap> audioThumbCachePic;
126 bool audioThumbWasDrawn, audioThumbReady;
127 double framePixelWidth;
128 QMap<int, QPainterPath > channelPaths;
131 void slotThumbReady(int frame, QPixmap pix);
132 void slotFetchThumbs();
133 void slotGetStartThumb();
134 void slotGetEndThumb();
135 void slotGotAudioData();
136 void slotPrepareAudioThumb(double, QPainterPath, int, int);
137 void animate(qreal value);
140 void getThumb(int, int);
141 void prepareAudioThumb(double, QPainterPath, int, int);