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 ***************************************************************************/
19 #include <QDomElement>
21 #include <QGraphicsScene>
22 #include <QGraphicsView>
24 #include <QStyleOptionGraphicsItem>
30 #include "transition.h"
32 #include "kdenlivesettings.h"
33 #include "mainwindow.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() / 3 * 2, (info.endPos - info.startPos).frames(fps) * scale , KdenliveSettings::trackheight() / 3 * 2 - 1), fps), m_gradient(QLinearGradient(0, 0, 0, 0)) {
37 m_transitionTrack = transitiontrack;
39 m_cropStart = GenTime();
40 m_maxDuration = GenTime(10000, fps);
42 m_gradient.setColorAt(0, QColor(200, 200, 0, 150));
43 m_gradient.setColorAt(1, QColor(200, 200, 200, 120));
45 //m_referenceClip = clipa;
46 if (params.isNull()) {
47 m_parameters = MainWindow::transitions.getEffectByName("Luma");
49 m_parameters = params;
52 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
54 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
57 //m_referenceClip->addTransition(this);
60 Transition::~Transition() {
63 Transition *Transition::clone(double scale) {
64 QDomElement xml = toXML().cloneNode().toElement();
65 Transition *tr = new Transition(info(), transitionEndTrack(), scale, m_fps, xml);
69 QString Transition::transitionName() const {
73 QString Transition::transitionTag() const {
74 return m_parameters.attribute("tag");
77 void Transition::setTransitionParameters(const QDomElement params) {
78 m_parameters = params;
79 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
84 bool Transition::invertedTransition() const {
85 return false; //m_parameters.attribute("reverse").toInt();
88 QPixmap Transition::transitionPixmap() const {
90 QString tag = transitionTag();
92 if (invertedTransition()) icon = KIcon("kdenlive_trans_up");
93 else icon = KIcon("kdenlive_trans_down");
94 } else if (tag == "composite") {
95 icon = KIcon("kdenlive_trans_wiper");
96 } else if (tag == "lumafile") {
97 icon = KIcon("kdenlive_trans_luma");
98 } else icon = KIcon("kdenlive_trans_pip");
99 return icon.pixmap(QSize(15, 15));
103 void Transition::setTransitionDirection(bool inv) {
104 //m_parameters.setAttribute("reverse", inv);
107 int Transition::transitionEndTrack() const {
108 return m_transitionTrack;
111 void Transition::updateTransitionEndTrack(int newtrack) {
112 m_transitionTrack = newtrack;
115 void Transition::paint(QPainter *painter,
116 const QStyleOptionGraphicsItem *option,
119 painter->setClipRect(option->exposedRect);
121 QPainterPath roundRectPathUpper = upperRectPart(br), roundRectPathLower = lowerRectPart(br);
122 QPainterPath resultClipPath = roundRectPathUpper.united(roundRectPathLower);
126 QRadialGradient radialGrad(QPointF(br.x() + 50, br.y() + 20), 70);
127 radialGrad.setColorAt(0, QColor(200, 200, 0, 100));
128 radialGrad.setColorAt(0.5, QColor(150, 150, 0, 100));
129 radialGrad.setColorAt(1, QColor(100, 100, 0, 100));
130 painter->fillRect(br.intersected(rectInView), QBrush(radialGrad)/*,Qt::Dense4Pattern*/);
132 m_gradient.setStart(0, br.y());
133 m_gradient.setFinalStop(0, br.bottom());
134 painter->fillPath(resultClipPath, m_gradient);
137 int top = (int)(br.y() + br.height() / 2 - 7);
138 painter->drawPixmap((int)(br.x() + 10), top, transitionPixmap());
139 painter->setPen(QColor(0, 0, 0, 180));
140 top += painter->fontInfo().pixelSize();
141 painter->drawText((int)br.x() + 31, top + 1, transitionName());
142 painter->setPen(QColor(255, 255, 255, 180));
143 painter->drawText((int)br.x() + 30, top, transitionName());
144 QPen pen = painter->pen();
146 pen.setColor(Qt::red);
149 pen.setColor(Qt::black);
152 painter->setPen(pen);
153 painter->drawPath(resultClipPath);
156 int Transition::type() const {
157 return TRANSITIONWIDGET;
160 OPERATIONTYPE Transition::operationMode(QPointF pos, double scale) {
161 if (qAbs((int)(pos.x() - rect().x())) < 6) return RESIZESTART;
162 else if (qAbs((int)(pos.x() - (rect().x() + rect().width()))) < 6) return RESIZEEND;
166 bool Transition::hasClip(const ClipItem * clip) const {
167 if (clip == m_secondClip) return true;
171 bool Transition::belongsToClip(const ClipItem * clip) const {
172 if (clip == m_referenceClip) return true;
177 Transition *Transition::clone() {
178 return new Transition::Transition(rect(), m_referenceClip, this->toXML() , m_fps);
182 Transition *Transition::reparent(ClipItem * clip) {
183 return new Transition::Transition(rect(), clip, this->toXML(), m_fps, m_referenceClip->startPos());
186 bool Transition::isValid() const {
187 return true; //(m_transitionDuration != GenTime());
190 const ClipItem *Transition::referencedClip() const {
191 return m_referenceClip;
194 QDomElement Transition::toXML() {
195 m_parameters.setAttribute("type", transitionTag());
196 //m_transitionParameters.setAttribute("inverted", invertTransition());
197 m_parameters.setAttribute("transition_atrack", track());
198 m_parameters.setAttribute("transition_btrack", m_transitionTrack);
199 m_parameters.setAttribute("start", startPos().frames(m_fps));
200 m_parameters.setAttribute("end", endPos().frames(m_fps));
203 m_parameters.setAttribute("clipb_starttime", m_secondClip->startPos().frames(m_referenceClip->fps()));
204 m_parameters.setAttribute("clipb_track", transitionEndTrack());