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