1 /***************************************************************************
2 transition.cpp - description
4 begin : Tue Jan 24 2006
5 copyright : (C) 2006 by Jean-Baptiste Mardelle
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
21 #include <QGraphicsScene>
22 #include <QGraphicsView>
24 #include <QStyleOptionGraphicsItem>
30 #include "transition.h"
32 #include "kdenlivesettings.h"
35 Transition::Transition(const ItemInfo info, int transitiontrack, double scale, double fps, QDomElement params) : AbstractClipItem(info, QRectF(info.startPos.frames(fps) *scale , info.track * KdenliveSettings::trackheight() + KdenliveSettings::trackheight() / 2, (info.endPos - info.startPos).frames(fps) * scale , KdenliveSettings::trackheight() - 1)) {
37 m_transitionTrack = transitiontrack;
39 m_cropStart = GenTime();
41 m_cropDuration = m_maxDuration;
42 //m_referenceClip = clipa;
43 if (params.isNull()) {
45 doc.setContent(QString("<ktransition tag=\"luma\"><name>Luma</name><description>Luma Transitions</description><properties id=\"luma\" tag=\"luma\" /><parameter type=\"bool\" name=\"reverse\" max=\"1\" min=\"0\" default=\"1\" factor=\"1\"><name>Reverse</name></parameter></ktransition>"));
46 m_parameters = doc.documentElement();
48 m_parameters = params;
51 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
53 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
56 //m_referenceClip->addTransition(this);
59 Transition::~Transition() {
62 QString Transition::transitionName() const {
66 QString Transition::transitionTag() const {
67 return m_parameters.attribute("tag");
70 void Transition::setTransitionParameters(const QDomElement params) {
71 m_parameters = params;
72 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
76 bool Transition::invertedTransition() const {
77 return false; //m_parameters.attribute("reverse").toInt();
80 QPixmap Transition::transitionPixmap() const {
82 QString tag = transitionTag();
84 if (invertedTransition()) icon = KIcon("kdenlive_trans_up");
85 else icon = KIcon("kdenlive_trans_down");
86 } else if ( tag == "composite") {
87 icon = KIcon("kdenlive_trans_wiper");
88 } else if ( tag == "lumafile") {
89 icon = KIcon("kdenlive_trans_luma");
90 } else icon = KIcon("kdenlive_trans_pip");
91 return icon.pixmap(QSize(15, 15));
95 void Transition::setTransitionDirection(bool inv) {
96 //m_parameters.setAttribute("reverse", inv);
99 int Transition::transitionEndTrack() const {
100 return m_transitionTrack;
103 void Transition::paint(QPainter *painter,
104 const QStyleOptionGraphicsItem *option,
106 QRect rectInView = visibleRect();//this is the rect that is visible by the user
108 if (rectInView.isNull())
110 QPainterPath clippath;
111 clippath.addRect(rectInView);
113 QPainterPath roundRectPathUpper = upperRectPart(br), roundRectPathLower = lowerRectPart(br);
115 QPainterPath resultClipPath = roundRectPathUpper.united(roundRectPathLower);
117 painter->setClipPath(resultClipPath.intersected(clippath), Qt::IntersectClip);
119 QRadialGradient radialGrad(QPointF(br.x() + 50, br.y() + 20), 70);
120 radialGrad.setColorAt(0, QColor(200, 200, 0, 100));
121 radialGrad.setColorAt(0.5, QColor(150, 150, 0, 100));
122 radialGrad.setColorAt(1, QColor(100, 100, 0, 100));
123 painter->fillRect(br.intersected(rectInView), QBrush(radialGrad)/*,Qt::Dense4Pattern*/);
125 painter->fillRect(br.intersected(rectInView), QBrush(QColor(200, 200, 0, 160)/*,Qt::Dense4Pattern*/));
127 painter->setClipRect(option->exposedRect);
128 painter->drawPixmap((int)(br.x() + 10), (int)(br.y() + 10), transitionPixmap());
129 painter->drawPath(resultClipPath.intersected(clippath));
130 painter->setPen(QColor(0, 0, 0, 180));
131 painter->drawText((int)br.x() + 31, (int)br.y() + 21, transitionName());
132 painter->setPen(QColor(255, 255, 255, 180));
133 painter->drawText((int)br.x() + 30, (int)br.y() + 20, transitionName());
134 QPen pen = painter->pen();
136 pen.setColor(Qt::red);
139 pen.setColor(Qt::black);
142 painter->setPen(pen);
143 painter->setClipRect(option->exposedRect);
144 painter->drawPath(resultClipPath.intersected(clippath));
147 int Transition::type() const {
148 return TRANSITIONWIDGET;
151 OPERATIONTYPE Transition::operationMode(QPointF pos, double scale) {
152 if (abs((int)(pos.x() - rect().x())) < 6) return RESIZESTART;
153 else if (abs((int)(pos.x() - (rect().x() + rect().width()))) < 6) return RESIZEEND;
157 bool Transition::hasClip(const ClipItem * clip) const {
158 if (clip == m_secondClip) return true;
162 bool Transition::belongsToClip(const ClipItem * clip) const {
163 if (clip == m_referenceClip) return true;
168 Transition *Transition::clone() {
169 return new Transition::Transition(rect(), m_referenceClip, this->toXML() , m_fps);
173 Transition *Transition::reparent(ClipItem * clip) {
174 return new Transition::Transition(rect(), clip, this->toXML(), m_fps, m_referenceClip->startPos());
177 bool Transition::isValid() const {
178 return true; //(m_transitionDuration != GenTime());
181 const ClipItem *Transition::referencedClip() const {
182 return m_referenceClip;
185 QDomElement Transition::toXML() {
186 m_parameters.setAttribute("type", transitionTag());
187 //m_transitionParameters.setAttribute("inverted", invertTransition());
188 m_parameters.setAttribute("transition_atrack", track());
189 m_parameters.setAttribute("transition_btrack", m_transitionTrack);
190 m_parameters.setAttribute("start", startPos().frames(m_fps));
191 m_parameters.setAttribute("end", endPos().frames(m_fps));
194 m_parameters.setAttribute("clipb_starttime", m_secondClip->startPos().frames(m_referenceClip->fps()));
195 m_parameters.setAttribute("clipb_track", transitionEndTrack());