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UtteranceTreeWidget.cpp
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#include <QPainter> #include <QMouseEvent> #include <QDebug> #include "UtteranceTreeWidget.h" using namespace arma; UtteranceTreeWidget::UtteranceTreeWidget(int width, int height, QWidget *parent) : QWidget(parent), m_width(width), m_height(height), m_yPad(0.0), m_YRatio(1.0), m_posReleased(true) { setFixedSize(m_width, m_height); setMouseTracking(true); m_tree = new UtteranceTree; } QList<QList<int>> UtteranceTreeWidget::getPartition() { return m_tree->getPartition(); } /////////// // slots // /////////// void UtteranceTreeWidget::setDiff(const arma::mat &Diff) { m_tree->setDiff(Diff); m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::updateUtteranceTree(const mat &S, const mat &W, const umat &map, const mat &SigmaInv) { m_S = S; m_unnormS = S; m_W = W; m_SigmaInv = SigmaInv; m_map = map; m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::setDistance(UtteranceTree::DistType dist) { m_tree->setDist(dist); m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::setCovInv(const mat &CovInv) { m_SigmaInv = CovInv; m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::setAgrCrit(UtteranceTree::AgrCrit agr) { m_tree->setAgr(agr); m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::setWeight(const mat &W) { m_W = W; m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::setPartitionMethod(UtteranceTree::PartMeth partMeth) { m_tree->setPartMeth(partMeth); m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); // m_tree->displayTree(m_map); update(); } void UtteranceTreeWidget::normalizeVectors(bool checked) { UtteranceTree::DistType distType = m_tree->getDist(); qreal normFac; for (uword i(0); i < m_unnormS.n_rows; i++) { switch (distType) { case UtteranceTree::L2: normFac = as_scalar(m_unnormS.row(i) * m_unnormS.row(i).t()); break; case UtteranceTree::Mahal: normFac = as_scalar(m_unnormS.row(i) * m_SigmaInv * m_unnormS.row(i).t()); break; } if (checked) m_S.row(i) = m_unnormS.row(i) / normFac; else m_S.row(i) = m_unnormS.row(i); } m_tree->setTree(m_S, m_W, m_SigmaInv); m_cutDist = m_tree->getCutValues(); update(); } void UtteranceTreeWidget::paintEvent(QPaintEvent *event) { Q_UNUSED(event); QPainter painter(this); qreal x1, x2, y1, y2; // node coordinates qreal refWidth = 3.0 / 4.0 * m_width; // width available for drawing qreal refHeight = 3.0 / 4.0 * m_height; // height available for drawing qreal xPad = (m_width - refWidth) / 2; // shift along X-axis m_yPad = (m_height - refHeight) / 2; // shift along Y-axis int subRef; // subtitle index QString subLabel; // and its string version QFont font; int pixelSize(10); QString gradLabel; QList<QPoint> selectedNodes; qreal lineWidth(2.0); // font settings font.setBold(true); font.setPixelSize(pixelSize); painter.setFont(font); painter.setPen(QPen(QBrush(Qt::black), lineWidth)); // filling background painter.fillRect(QRect(0, 0, m_width, m_height), QBrush(Qt::white)); // retrieving nodes coordinates QList<QPair<QLineF, QPair<int, bool>>> coord; m_tree->getCoordinates(coord); // removing first line if (coord.size() > 0) coord.pop_front(); // number of instances qreal maxWidth(m_tree->getClusterSize()-1); // draw tree corresponding to possible partitions of the data set if (maxWidth > 0) { // horizontal and vertical scaling factors qreal XRatio(refWidth / maxWidth); qreal maxHeight(coord[0].first.y1()); m_YRatio = refHeight / maxHeight; // draw root if (coord[0].second.second) { x1 = xPad + coord[0].first.x1() * XRatio; y1 = m_height - (m_yPad + coord[0].first.y1() * m_YRatio); painter.drawLine(x1, 0, x1, y1); } // drawing y-axis x1 = 1; x2 = m_width - 1; y1 = m_yPad; y2 = m_height - m_yPad;; painter.drawLine(x1, y1, x1, y2); painter.drawLine(x2, y1, x2, y2); // drawing gradations painter.setPen(QPen(QBrush(Qt::black), lineWidth)); const int nGrad(3); const int gradWidth(4); for (int i(0); i <= nGrad; i++) { gradLabel = QString::number(i * maxHeight / nGrad, 'g', 3); x1 = 1; x2 = 1 + gradWidth; y1 = m_height - (m_yPad + i * refHeight / nGrad); painter.drawLine(x1, y1, x2, y1); painter.drawText(QRectF(x2 + 2, y1 - 7, xPad, m_yPad), Qt::AlignLeft, gradLabel); x1 = m_width - 1; x2 = m_width - (1 + gradWidth); painter.drawLine(x1, y1, x2, y1); painter.drawText(QRectF(x2 - (xPad + 2), y1 - 7, xPad, m_yPad), Qt::AlignRight, gradLabel); } // drawing tree(s) m_selectedUtter.clear(); QVector<QPair<qreal, qreal>> treeBound(m_cutDist.size()); for (int i(0); i < treeBound.size(); i++) treeBound[i] = QPair<qreal, qreal>(width(), 0.0); QList<QList<QPointF>> treesCoord; QList<QPointF> invisPoints; for (int i(0); i < coord.size(); i++) { // setting drawing color QColor color; bool visible = coord[i].second.second; color = Qt::black; // coordinates required to draw from parent node x1 = xPad + coord[i].first.x1() * XRatio; x2 = xPad + coord[i].first.x2() * XRatio; y1 = m_height - (m_yPad + coord[i].first.y1() * m_YRatio); y2 = m_height - (m_yPad + coord[i].first.y2() * m_YRatio); // adding root coordinates to dendogram lists of points if (coord[i].first.y1() == coord[0].first.y1()) { QList<QPointF> pointList; // case of single dendogram (unconstrained clustering) if (m_cutDist.size() == 1) { pointList << QPointF(x1, y1); if (treesCoord.isEmpty()) treesCoord.push_back(pointList); else treesCoord[0].push_back(QPointF(x2, y2)); } // case of multiple dendograms (constrained clustering) else if (y2 > y1) { pointList << QPointF(x2, y2); treesCoord.push_back(pointList); } } // updating list of points for each dendogram int j(0); while (j < treesCoord.size() && !treesCoord[j].contains(QPointF(x1, y1))) j++; if (j < treesCoord.size()) { treesCoord[j].push_back(QPointF(x2, y2)); // adjusting dendogram boundaries qreal lim = m_height - (m_yPad + m_cutDist[j] * m_YRatio); if (x2 < treeBound[j].first && y1 < lim && y2 > lim) treeBound[j].first = x2; if (x2 > treeBound[j].second && y1 < lim && y2 > lim) treeBound[j].second = x2 + lineWidth; } // node label subRef = coord[i].second.first; // change color if mouse points to current node if ((((m_mousePos.x() <= x1 && m_mousePos.x() >= x2) || (m_mousePos.x() >= x1 && m_mousePos.x() <= x2)) && (m_mousePos.y() > y1 && m_mousePos.y() <= y2)) || selectedNodes.contains(QPoint(x1, y1))) { color = Qt::red; selectedNodes.push_back(QPoint(x2, y2)); if (subRef != -1) m_selectedUtter.push_back(as_scalar(m_map.col(subRef))); } // drawing from previous node if (!visible) { invisPoints.push_back(QPointF(x2, y2)); color = Qt::white; } else if (invisPoints.contains(QPointF(x1, y1))) { painter.setPen(QPen(QBrush(color), lineWidth)); painter.drawLine(x1, y1 - gradWidth * 4, x1, y1); } painter.setPen(QPen(QBrush(color), lineWidth)); painter.drawLine(x1, y1, x2, y1); painter.drawLine(x2, y1, x2, y2); } // drawing optimal cut(s) painter.setPen(QPen(QBrush(Qt::black), lineWidth / 2, Qt::DotLine)); for (int i(0); i < m_cutDist.size(); i++) { y1 = m_height - (m_yPad + m_cutDist[i] * m_YRatio); painter.drawLine(treeBound[i].first - lineWidth * 3, y1, treeBound[i].second + lineWidth * 2, y1); } qSort(m_selectedUtter); emit(setSpeakers(m_selectedUtter)); } } void UtteranceTreeWidget::mousePressEvent(QMouseEvent * event) { Q_UNUSED(event); m_posReleased = !m_posReleased; } void UtteranceTreeWidget::mouseDoubleClickEvent(QMouseEvent * event) { Q_UNUSED(event); if (!m_selectedUtter.isEmpty()) emit playSubtitle(m_selectedUtter); } void UtteranceTreeWidget::mouseMoveEvent(QMouseEvent * event) { if (m_posReleased) { m_mousePos.setX(event->x()); m_mousePos.setY(event->y()); update(); } } void UtteranceTreeWidget::setCurrSubtitle(int subIdx) { QString currSub = QString::number(subIdx+1); if (currSub != m_currSub) { m_currSub = currSub; update(); } } void UtteranceTreeWidget::releasePos(bool released) { m_posReleased = released; } |