Mercurial > hg > svgui
view view/AlignmentView.cpp @ 1276:b4cb11ca8233 horizontal-scale
Branch toward adding horizontal numerical scales to things
author | Chris Cannam |
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date | Tue, 01 May 2018 16:14:22 +0100 |
parents | a34a2a25907c |
children | 13d9b422f7fe |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006-2014 Chris Cannam and QMUL. 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. See the file COPYING included with this distribution for more information. */ #include "AlignmentView.h" #include <QPainter> #include "data/model/SparseOneDimensionalModel.h" #include "layer/TimeInstantLayer.h" using std::vector; AlignmentView::AlignmentView(QWidget *w) : View(w, false), m_above(0), m_below(0) { setObjectName(tr("AlignmentView")); } void AlignmentView::globalCentreFrameChanged(sv_frame_t f) { View::globalCentreFrameChanged(f); update(); } void AlignmentView::viewCentreFrameChanged(View *v, sv_frame_t f) { View::viewCentreFrameChanged(v, f); if (v == m_above) { m_centreFrame = f; update(); } else if (v == m_below) { update(); } } void AlignmentView::viewManagerPlaybackFrameChanged(sv_frame_t) { update(); } void AlignmentView::viewAboveZoomLevelChanged(int level, bool) { m_zoomLevel = level; update(); } void AlignmentView::viewBelowZoomLevelChanged(int, bool) { update(); } void AlignmentView::setViewAbove(View *v) { if (m_above) { disconnect(m_above, 0, this, 0); } m_above = v; if (m_above) { connect(m_above, SIGNAL(zoomLevelChanged(int, bool)), this, SLOT(viewAboveZoomLevelChanged(int, bool))); } } void AlignmentView::setViewBelow(View *v) { if (m_below) { disconnect(m_below, 0, this, 0); } m_below = v; if (m_below) { connect(m_below, SIGNAL(zoomLevelChanged(int, bool)), this, SLOT(viewBelowZoomLevelChanged(int, bool))); } } void AlignmentView::paintEvent(QPaintEvent *) { if (m_above == 0 || m_below == 0 || !m_manager) return; bool darkPalette = false; if (m_manager) darkPalette = m_manager->getGlobalDarkBackground(); QColor fg, bg; if (darkPalette) { fg = Qt::gray; bg = Qt::black; } else { fg = Qt::black; bg = Qt::gray; } QPainter paint(this); paint.setPen(QPen(fg, 2)); paint.setBrush(Qt::NoBrush); paint.setRenderHint(QPainter::Antialiasing, true); paint.fillRect(rect(), bg); vector<sv_frame_t> keyFrames = getKeyFrames(); foreach (sv_frame_t f, keyFrames) { int ax = m_above->getXForFrame(f); sv_frame_t rf = m_above->alignToReference(f); sv_frame_t bf = m_below->alignFromReference(rf); int bx = m_below->getXForFrame(bf); paint.drawLine(ax, 0, bx, height()); } paint.end(); } vector<sv_frame_t> AlignmentView::getKeyFrames() { if (!m_above) { return getDefaultKeyFrames(); } SparseOneDimensionalModel *m = 0; // get the topmost such for (int i = 0; i < m_above->getLayerCount(); ++i) { if (qobject_cast<TimeInstantLayer *>(m_above->getLayer(i))) { SparseOneDimensionalModel *mm = qobject_cast<SparseOneDimensionalModel *> (m_above->getLayer(i)->getModel()); if (mm) m = mm; } } if (!m) { return getDefaultKeyFrames(); } vector<sv_frame_t> keyFrames; const SparseOneDimensionalModel::PointList pp = m->getPoints(); for (SparseOneDimensionalModel::PointList::const_iterator pi = pp.begin(); pi != pp.end(); ++pi) { keyFrames.push_back(pi->frame); } return keyFrames; } vector<sv_frame_t> AlignmentView::getDefaultKeyFrames() { vector<sv_frame_t> keyFrames; if (!m_above || !m_manager) return keyFrames; sv_samplerate_t rate = m_manager->getMainModelSampleRate(); if (rate == 0) return keyFrames; for (sv_frame_t f = m_above->getModelsStartFrame(); f <= m_above->getModelsEndFrame(); f += sv_frame_t(rate * 5 + 0.5)) { keyFrames.push_back(f); } return keyFrames; }