/*************************************************************************** transition.cpp - description ------------------- begin : Tue Jan 24 2006 copyright : (C) 2006 by Jean-Baptiste Mardelle email : jb@ader.ch ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/ #include <QBrush> #include <QDomElement> #include <QPainter> #include <QGraphicsScene> #include <QGraphicsView> #include <QScrollBar> #include <QStyleOptionGraphicsItem> #include <kdebug.h> #include <KIcon> #include <klocale.h> #include "transition.h" #include "clipitem.h" #include "kdenlivesettings.h" #include "customtrackscene.h" #include "mainwindow.h" Transition::Transition(const ItemInfo info, int transitiontrack, double fps, QDomElement params, bool automaticTransition) : AbstractClipItem(info, QRectF(), fps), m_automaticTransition(automaticTransition), m_forceTransitionTrack(false) { setZValue(2); setRect(0, 0, (info.endPos - info.startPos).frames(fps) - 0.02, (qreal)(KdenliveSettings::trackheight() / 3 * 2 - 1)); setPos(info.startPos.frames(fps), (qreal)(info.track * KdenliveSettings::trackheight() + KdenliveSettings::trackheight() / 3 * 2)); m_singleClip = true; m_transitionTrack = transitiontrack; m_secondClip = NULL; m_cropStart = GenTime(); m_maxDuration = GenTime(10000, fps); if (m_automaticTransition) setBrush(QColor(200, 200, 50, 100)); else setBrush(QColor(200, 100, 50, 100)); //m_referenceClip = clipa; if (params.isNull()) { m_parameters = MainWindow::transitions.getEffectByName("Luma").cloneNode().toElement(); } else { m_parameters = params; } if (m_automaticTransition) m_parameters.setAttribute("automatic", 1); else if (m_parameters.attribute("automatic") == "1") m_automaticTransition = true; if (m_parameters.attribute("force_track") == "1") m_forceTransitionTrack = true; m_name = m_parameters.elementsByTagName("name").item(0).toElement().text(); m_secondClip = 0; setFlags(QGraphicsItem::ItemClipsToShape | QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable); //m_referenceClip->addTransition(this); } Transition::~Transition() { } Transition *Transition::clone() { QDomElement xml = toXML().cloneNode().toElement(); Transition *tr = new Transition(info(), transitionEndTrack(), m_fps, xml); return tr; } QString Transition::transitionName() const { return m_name; } QString Transition::transitionTag() const { return m_parameters.attribute("tag"); } bool Transition::isAutomatic() const { return m_automaticTransition; } void Transition::setAutomatic(bool automatic) { m_automaticTransition = automatic; if (automatic) { m_parameters.setAttribute("automatic", 1); setBrush(QColor(200, 200, 50, 150)); } else { m_parameters.removeAttribute("automatic"); setBrush(QColor(200, 50, 50, 150)); } update(); } void Transition::setTransitionParameters(const QDomElement params) { m_parameters = params; if (m_parameters.attribute("force_track") == "1") setForcedTrack(true, m_parameters.attribute("transition_btrack").toInt()); else if (m_parameters.attribute("force_track") == "0") setForcedTrack(false, m_parameters.attribute("transition_btrack").toInt()); m_name = m_parameters.elementsByTagName("name").item(0).toElement().text(); update(); } bool Transition::invertedTransition() const { return false; //m_parameters.attribute("reverse").toInt(); } QPixmap Transition::transitionPixmap() const { KIcon icon; QString tag = transitionTag(); if (tag == "luma") { if (invertedTransition()) icon = KIcon("kdenlive_trans_up"); else icon = KIcon("kdenlive_trans_down"); } else if (tag == "composite") { icon = KIcon("kdenlive_trans_wiper"); } else if (tag == "lumafile") { icon = KIcon("kdenlive_trans_luma"); } else icon = KIcon("kdenlive_trans_pip"); return icon.pixmap(QSize(15, 15)); } void Transition::setTransitionDirection(bool inv) { //m_parameters.setAttribute("reverse", inv); } int Transition::transitionEndTrack() const { return m_transitionTrack; } void Transition::updateTransitionEndTrack(int newtrack) { if (!m_forceTransitionTrack) m_transitionTrack = newtrack; } void Transition::setForcedTrack(bool force, int track) { m_forceTransitionTrack = force; m_transitionTrack = track; } bool Transition::forcedTrack() const { return m_forceTransitionTrack; } void Transition::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) { const double scale = option->matrix.m11(); QRectF exposed = option->exposedRect; painter->setClipRect(exposed); QRectF br = rect(); QRectF mapped = painter->matrix().mapRect(br); painter->fillRect(exposed, brush()); int top = (int)(br.y() + br.height() / 2 - 7); QPointF p1(br.x(), br.y() + br.height() / 2 - 7); painter->setMatrixEnabled(false); //painter->drawPixmap(painter->matrix().map(p1) + QPointF(5, 0), transitionPixmap()); QString text = transitionName(); if (m_forceTransitionTrack) text.append("|>"); QRectF txtBounding = painter->boundingRect(mapped, Qt::AlignHCenter | Qt::AlignVCenter, " " + text + " "); painter->fillRect(txtBounding, QBrush(QColor(50, 50, 0, 150))); txtBounding.translate(QPointF(1, 1)); painter->setPen(QColor(255, 255, 255, 255)); painter->drawText(txtBounding, Qt::AlignCenter, text); /* painter->setPen(QColor(0, 0, 0, 180)); top += painter->fontInfo().pixelSize(); QPointF p2(br.x(), top); painter->drawText(painter->matrix().map(p2) + QPointF(26, 1), transitionName()); painter->setPen(QColor(255, 255, 255, 180)); QPointF p3(br.x(), top); painter->drawText(painter->matrix().map(p3) + QPointF(25, 0), transitionName());*/ painter->setMatrixEnabled(true); QPen pen = painter->pen(); if (isSelected()) { pen.setColor(Qt::red); //pen.setWidth(2); } else { pen.setColor(Qt::black); //pen.setWidth(1); } // expand clip rect to allow correct painting of clip border exposed.setRight(exposed.right() + 1 / scale + 0.5); exposed.setBottom(exposed.bottom() + 1); painter->setClipRect(exposed); painter->setPen(pen); painter->drawRect(br); } int Transition::type() const { return TRANSITIONWIDGET; } //virtual QVariant Transition::itemChange(GraphicsItemChange change, const QVariant &value) { if (change == ItemPositionChange && scene()) { // calculate new position. QPointF newPos = value.toPointF(); int xpos = projectScene()->getSnapPointForPos((int) newPos.x(), KdenliveSettings::snaptopoints()); xpos = qMax(xpos, 0); newPos.setX(xpos); int newTrack = newPos.y() / KdenliveSettings::trackheight(); newTrack = qMin(newTrack, projectScene()->tracksCount() - 1); newTrack = qMax(newTrack, 0); newPos.setY((int)(newTrack * KdenliveSettings::trackheight() + KdenliveSettings::trackheight() / 3 * 2)); // Only one clip is moving QRectF sceneShape = rect(); sceneShape.translate(newPos); QList<QGraphicsItem*> items = scene()->items(sceneShape, Qt::IntersectsItemShape); items.removeAll(this); if (!items.isEmpty()) { for (int i = 0; i < items.count(); i++) { if (items.at(i)->type() == type()) { // Collision! Don't move. //kDebug()<<"/// COLLISION WITH ITEM: "<<items.at(i)->boundingRect()<<", POS: "<<items.at(i)->pos()<<", ME: "<<newPos; QPointF otherPos = items.at(i)->pos(); if ((int) otherPos.y() != (int) pos().y()) return pos(); //kDebug()<<"//// CURRENT Y: "<<pos().y()<<", COLLIDING Y: "<<otherPos.y(); if (pos().x() < otherPos.x()) { int npos = (static_cast < AbstractClipItem* >(items.at(i))->startPos() - m_cropDuration).frames(m_fps); newPos.setX(npos); } else { // get pos just after colliding clip int npos = static_cast < AbstractClipItem* >(items.at(i))->endPos().frames(m_fps); newPos.setX(npos); } m_track = newTrack; //kDebug()<<"// ITEM NEW POS: "<<newPos.x()<<", mapped: "<<mapToScene(newPos.x(), 0).x(); m_startPos = GenTime((int) newPos.x(), m_fps); return newPos; } } } m_track = newTrack; m_startPos = GenTime((int) newPos.x(), m_fps); //kDebug()<<"// ITEM NEW POS: "<<newPos.x()<<", mapped: "<<mapToScene(newPos.x(), 0).x(); return newPos; } return QGraphicsItem::itemChange(change, value); } OPERATIONTYPE Transition::operationMode(QPointF pos) { const double scale = projectScene()->scale(); double maximumOffset = 6 / scale; QRectF rect = sceneBoundingRect(); if (qAbs((int)(pos.x() - rect.x())) < maximumOffset) return RESIZESTART; else if (qAbs((int)(pos.x() - (rect.right()))) < maximumOffset) return RESIZEEND; return MOVE; } bool Transition::hasClip(const ClipItem * clip) const { if (clip == m_secondClip) return true; return false; } bool Transition::belongsToClip(const ClipItem * clip) const { if (clip == m_referenceClip) return true; return false; } /* Transition *Transition::clone() { return new Transition::Transition(rect(), m_referenceClip, this->toXML() , m_fps); }*/ /* Transition *Transition::reparent(ClipItem * clip) { return new Transition::Transition(rect(), clip, this->toXML(), m_fps, m_referenceClip->startPos()); }*/ bool Transition::isValid() const { return true; //(m_transitionDuration != GenTime()); } const ClipItem *Transition::referencedClip() const { return m_referenceClip; } QDomElement Transition::toXML() { m_parameters.setAttribute("type", transitionTag()); //m_transitionParameters.setAttribute("inverted", invertTransition()); m_parameters.setAttribute("transition_atrack", track()); m_parameters.setAttribute("transition_btrack", m_transitionTrack); m_parameters.setAttribute("start", startPos().frames(m_fps)); m_parameters.setAttribute("end", endPos().frames(m_fps)); m_parameters.setAttribute("force_track", m_forceTransitionTrack); if (m_secondClip) { m_parameters.setAttribute("clipb_starttime", m_secondClip->startPos().frames(m_referenceClip->fps())); m_parameters.setAttribute("clipb_track", transitionEndTrack()); } return m_parameters; }