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, GenTime cropStart, 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;
56 void setFadeOut(int pos, double scale);
57 void setFadeIn(int pos, double scale);
58 /** Give a string list of the clip's effect names */
59 QStringList effectNames();
60 /** Add an effect to the clip and return the parameters that will be passed to Mlt */
61 QMap <QString, QString> addEffect(QDomElement effect, bool animate = true);
62 /** Get the effect parameters that will be passed to Mlt */
63 QMap <QString, QString> getEffectArgs(QDomElement effect);
64 /** Delete effect with id index */
65 void deleteEffect(QString index);
66 /** return the number of effects in that clip */
68 /** return a unique effect id */
70 /** return the xml of effect at index ix in stack */
71 QDomElement effectAt(int ix);
72 /** Replace effect at pos ix with given value */
73 void setEffectAt(int ix, QDomElement effect);
75 void addTransition(Transition*);
76 /** regenerate audio and video thumbnails */
78 /** update clip properties from base clip */
80 /** Returns a list of times for this clip's markers */
81 QList <GenTime> snapMarkers() const;
84 void setSelectedEffect(int ix);
85 void updateKeyframeEffect();
86 QDomElement selectedEffect();
87 int selectedEffectIndex() const;
88 void initEffect(QDomElement effect);
91 //virtual void mouseMoveEvent(QGraphicsSceneMouseEvent * event);
92 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent * event);
93 virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
94 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
95 virtual void dragLeaveEvent(QGraphicsSceneDragDropEvent *event);
96 virtual void dropEvent(QGraphicsSceneDragDropEvent *event);
97 virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *);
98 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *);
102 OPERATIONTYPE m_resizeMode;
107 QString m_effectNames;
116 QTimer *startThumbTimer;
117 QTimer *endThumbTimer;
119 /** counter used to provide a unique id to each effect */
120 int m_effectsCounter;
121 int m_selectedEffect;
123 QTimeLine *m_timeLine;
124 uint m_thumbsRequested;
127 EffectsList m_effectList;
128 QList <Transition*> m_transitionsList;
129 QMap<int, QPixmap> audioThumbCachePic;
130 bool audioThumbWasDrawn, audioThumbReady;
131 double framePixelWidth;
132 QMap<int, QPainterPath > channelPaths;
133 /** Called when clip start is resized, adjust keyframes values */
134 void checkEffectsKeyframesPos(const int previous, const int current, bool fromStart);
136 void slotThumbReady(int frame, QPixmap pix);
137 void slotFetchThumbs();
138 void slotGetStartThumb();
139 void slotGetEndThumb();
140 void slotGotAudioData();
141 void slotPrepareAudioThumb(double, QPainterPath, int, int);
142 void animate(qreal value);
145 void getThumb(int, int);
146 void prepareAudioThumb(double, QPainterPath, int, int);