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>
23 #include <QLinearGradient>
25 #include <QStyleOptionGraphicsItem>
31 #include "transition.h"
33 #include "kdenlivesettings.h"
34 #include "mainwindow.h"
36 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) {
38 m_transitionTrack = transitiontrack;
40 m_cropStart = GenTime();
41 m_maxDuration = GenTime(10000, fps);
43 m_gradient.setColorAt(0, QColor(200, 200, 0, 150));
44 m_gradient.setColorAt(1, QColor(200, 200, 200, 120));
46 //m_referenceClip = clipa;
47 if (params.isNull()) {
48 m_parameters = MainWindow::transitions.getEffectByName("Luma");
50 m_parameters = params;
53 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
55 setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
58 //m_referenceClip->addTransition(this);
61 Transition::~Transition() {
64 QString Transition::transitionName() const {
68 QString Transition::transitionTag() const {
69 return m_parameters.attribute("tag");
72 void Transition::setTransitionParameters(const QDomElement params) {
73 m_parameters = params;
74 m_name = m_parameters.elementsByTagName("name").item(0).toElement().text();
79 bool Transition::invertedTransition() const {
80 return false; //m_parameters.attribute("reverse").toInt();
83 QPixmap Transition::transitionPixmap() const {
85 QString tag = transitionTag();
87 if (invertedTransition()) icon = KIcon("kdenlive_trans_up");
88 else icon = KIcon("kdenlive_trans_down");
89 } else if (tag == "composite") {
90 icon = KIcon("kdenlive_trans_wiper");
91 } else if (tag == "lumafile") {
92 icon = KIcon("kdenlive_trans_luma");
93 } else icon = KIcon("kdenlive_trans_pip");
94 return icon.pixmap(QSize(15, 15));
98 void Transition::setTransitionDirection(bool inv) {
99 //m_parameters.setAttribute("reverse", inv);
102 int Transition::transitionEndTrack() const {
103 return m_transitionTrack;
106 void Transition::updateTransitionEndTrack(int newtrack) {
107 m_transitionTrack = newtrack;
110 void Transition::paint(QPainter *painter,
111 const QStyleOptionGraphicsItem *option,
114 painter->setClipRect(option->exposedRect);
116 QPainterPath roundRectPathUpper = upperRectPart(br), roundRectPathLower = lowerRectPart(br);
117 QPainterPath resultClipPath = roundRectPathUpper.united(roundRectPathLower);
121 QRadialGradient radialGrad(QPointF(br.x() + 50, br.y() + 20), 70);
122 radialGrad.setColorAt(0, QColor(200, 200, 0, 100));
123 radialGrad.setColorAt(0.5, QColor(150, 150, 0, 100));
124 radialGrad.setColorAt(1, QColor(100, 100, 0, 100));
125 painter->fillRect(br.intersected(rectInView), QBrush(radialGrad)/*,Qt::Dense4Pattern*/);
127 m_gradient.setStart(0, br.y());
128 m_gradient.setFinalStop(0, br.bottom());
129 painter->fillPath(resultClipPath, m_gradient);
132 int top = (int)(br.y() + br.height() / 2 - 7);
133 painter->drawPixmap((int)(br.x() + 10), top, transitionPixmap());
134 painter->setPen(QColor(0, 0, 0, 180));
135 top += painter->fontInfo().pixelSize();
136 painter->drawText((int)br.x() + 31, top + 1, transitionName());
137 painter->setPen(QColor(255, 255, 255, 180));
138 painter->drawText((int)br.x() + 30, top, transitionName());
139 QPen pen = painter->pen();
141 pen.setColor(Qt::red);
144 pen.setColor(Qt::black);
147 painter->setPen(pen);
148 painter->drawPath(resultClipPath);
151 int Transition::type() const {
152 return TRANSITIONWIDGET;
155 OPERATIONTYPE Transition::operationMode(QPointF pos, double scale) {
156 if (qAbs((int)(pos.x() - rect().x())) < 6) return RESIZESTART;
157 else if (qAbs((int)(pos.x() - (rect().x() + rect().width()))) < 6) return RESIZEEND;
161 bool Transition::hasClip(const ClipItem * clip) const {
162 if (clip == m_secondClip) return true;
166 bool Transition::belongsToClip(const ClipItem * clip) const {
167 if (clip == m_referenceClip) return true;
172 Transition *Transition::clone() {
173 return new Transition::Transition(rect(), m_referenceClip, this->toXML() , m_fps);
177 Transition *Transition::reparent(ClipItem * clip) {
178 return new Transition::Transition(rect(), clip, this->toXML(), m_fps, m_referenceClip->startPos());
181 bool Transition::isValid() const {
182 return true; //(m_transitionDuration != GenTime());
185 const ClipItem *Transition::referencedClip() const {
186 return m_referenceClip;
189 QDomElement Transition::toXML() {
190 m_parameters.setAttribute("type", transitionTag());
191 //m_transitionParameters.setAttribute("inverted", invertTransition());
192 m_parameters.setAttribute("transition_atrack", track());
193 m_parameters.setAttribute("transition_btrack", m_transitionTrack);
194 m_parameters.setAttribute("start", startPos().frames(m_fps));
195 m_parameters.setAttribute("end", endPos().frames(m_fps));
198 m_parameters.setAttribute("clipb_starttime", m_secondClip->startPos().frames(m_referenceClip->fps()));
199 m_parameters.setAttribute("clipb_track", transitionEndTrack());