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 "abstractclipitem.h"
37 class ClipItem : public AbstractClipItem {
41 ClipItem(DocClipBase *clip, ItemInfo info, double scale, double fps);
43 virtual void paint(QPainter *painter,
44 const QStyleOptionGraphicsItem *option,
46 virtual int type() const;
47 void resizeStart(int posx, double scale);
48 void resizeEnd(int posx, double scale);
49 OPERATIONTYPE operationMode(QPointF pos, double scale);
50 int clipProducer() const;
52 DocClipBase *baseClip() const;
53 QString clipName() const;
54 QDomElement xml() const;
55 ClipItem *clone(double scale) const;
56 const EffectsList effectList();
57 void setFadeOut(int pos, double scale);
58 void setFadeIn(int pos, double scale);
59 /** Give a string list of the clip's effect names */
60 QStringList effectNames();
61 /** Add an effect to the clip and return the parameters that will be passed to Mlt */
62 QMap <QString, QString> addEffect(QDomElement effect, bool animate = true);
63 /** Get the effect parameters that will be passed to Mlt */
64 QMap <QString, QString> getEffectArgs(QDomElement effect);
65 /** Delete effect with id index */
66 void deleteEffect(QString index);
67 /** return the number of effects in that clip */
69 /** return a unique effect id */
71 /** return the xml of effect at index ix in stack */
72 QDomElement effectAt(int ix);
73 /** Replace effect at pos ix with given value */
74 void setEffectAt(int ix, QDomElement effect);
76 void addTransition(Transition*);
77 /** regenerate audio and video thumbnails */
79 /** update clip properties from base clip */
81 /** Returns a list of times for this clip's markers */
82 QList <GenTime> snapMarkers() const;
83 QList <CommentedTime> commentedSnapMarkers() const;
86 void setSelectedEffect(const int ix);
87 void updateKeyframeEffect();
88 QDomElement selectedEffect();
89 int selectedEffectIndex() const;
90 void initEffect(QDomElement effect);
91 QString keyframes(const int index);
92 void setKeyframes(const int ix, const QString keyframes);
93 void setEffectList(const EffectsList effectList);
94 void setSpeed(const double speed);
98 //virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
99 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
100 virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
101 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
102 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
103 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
104 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
105 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
109 OPERATIONTYPE m_resizeMode;
114 QString m_effectNames;
123 QTimer *startThumbTimer;
124 QTimer *endThumbTimer;
126 /** counter used to provide a unique id to each effect */
127 int m_effectsCounter;
128 int m_selectedEffect;
130 QTimeLine *m_timeLine;
131 uint m_thumbsRequested;
135 EffectsList m_effectList;
136 QList <Transition*> m_transitionsList;
137 QMap<int, QPixmap> audioThumbCachePic;
138 bool audioThumbWasDrawn, audioThumbReady;
139 double framePixelWidth;
140 QMap<int, QPainterPath > channelPaths;
141 /** Called when clip start is resized, adjust keyframes values */
142 void checkEffectsKeyframesPos(const int previous, const int current, bool fromStart);
145 void slotThumbReady(int frame, QPixmap pix);
146 void slotFetchThumbs();
147 void slotGetStartThumb();
148 void slotGetEndThumb();
149 void slotGotAudioData();
150 void slotPrepareAudioThumb(double pixelForOneFrame, QPainterPath path, int startpixel, int endpixel, int channels);
151 void animate(qreal value);
154 void getThumb(int, int);
155 void prepareAudioThumb(double, QPainterPath, int, int, int);