bool TrajectoryAnalysisModuleData::Impl::isInitialized(
const AnalysisData &data) const
{
for (int i = 0; i < data.dataSetCount(); ++i)
{
if (data.columnCount(i) > 0)
{
// If not all of the column counts are set, startData() in the
// constructor asserts, so that does not need to be checked here.
return true;
}
}
return false;
}
int
AnalysisTemplate::initAnalysis(const TopologyInformation & /*top*/)
{
_data.setColumns(_sel.size());
registerAnalysisDataset(&_data, "avedist");
_avem = new AnalysisDataAverageModule();
_data.addModule(_avem);
if (!_fnDist.empty())
{
AnalysisDataPlotModule *plotm = new AnalysisDataPlotModule(_options);
plotm->setFileName(_fnDist);
plotm->setTitle("Average distance");
plotm->setXLabel("Time (ps)");
plotm->setYLabel("Distance (nm)");
_data.addModule(plotm);
}
return 0;
}
void
AnalysisTemplate::initAnalysis(const TrajectoryAnalysisSettings &settings,
const TopologyInformation & /*top*/)
{
nb_.setCutoff(cutoff_);
data_.setColumnCount(0, sel_.size());
avem_.reset(new AnalysisDataAverageModule());
data_.addModule(avem_);
if (!fnDist_.empty())
{
AnalysisDataPlotModulePointer plotm(
new AnalysisDataPlotModule(settings.plotSettings()));
plotm->setFileName(fnDist_);
plotm->setTitle("Average distance");
plotm->setXAxisIsTime();
plotm->setYLabel("Distance (nm)");
data_.addModule(plotm);
}
}
void DrawWidget::setChannelVerticalView(Channel *ch, double leftTime, double currentTime, double zoomX, double viewBottom, double zoomY)
{
ZoomLookup *z = &ch->normalZoomLookup;
ChannelLocker channelLocker(ch);
int viewBottomOffset = toInt(viewBottom / zoomY);
viewBottom = double(viewBottomOffset) * zoomY;
std::vector<float> ys;
ys.reserve(width());
std::vector<float> weightings;
weightings.reserve(width());
float maxY = 0.0f, minY = gdata->topPitch();
float totalY = 0.0f;
float numY = 0.0f;
// baseX is the no. of chunks a pixel must represent.
double baseX = zoomX / ch->timePerChunk();
z->setZoomLevel(baseX);
double currentChunk = ch->chunkFractionAtTime(currentTime);
double leftFrameTime = currentChunk - ((currentTime - leftTime) / ch->timePerChunk());
double frameTime = leftFrameTime;
int n = 0;
int currentBaseElement = int(floor(currentChunk / baseX));
int firstBaseElement = int(floor(frameTime / baseX));
int baseElement = firstBaseElement;
if(baseElement < 0) { n -= baseElement; baseElement = 0; }
int lastBaseElement = int(floor(double(ch->totalChunks()) / baseX));
double leftBaseWidth = MAX(1.0, double(currentBaseElement - firstBaseElement));
double rightBaseWidth = MAX(1.0, double(lastBaseElement - currentBaseElement));
/*
We calculate the auto follow and scale by averaging all the note elements in view.
We weight the frequency averaging by a triangle weighting function centered on the current time.
Also it is weighted by the corr value of each frame.
/|\
/ | \
/ | \
/ | \
^ ^
leftBaseWidth rightBaseWidth
*/
//QPointArray bottomPoints(width()*2);
//int pointIndex = 0;
if (baseX > 1) { // More samples than pixels
int theWidth = width();
if(lastBaseElement > z->size()) z->setSize(lastBaseElement);
for(; n < theWidth && baseElement < lastBaseElement; n++, baseElement++) {
myassert(baseElement >= 0);
ZoomElement &ze = z->at(baseElement);
//if(!z->hasValue(baseElement)) {
if(!ze.isValid()) {
if(!calcZoomElement(ch, ze, baseElement, baseX)) continue;
}
if(ze.low() > 0.0f && ze.high() > 0.0f) {
float weight = ze.corr();
if(baseElement < currentBaseElement) weight *= double(currentBaseElement - baseElement) / leftBaseWidth;
else if(baseElement > currentBaseElement) weight *= double(baseElement - currentBaseElement) / rightBaseWidth;
if(ze.low() < minY) minY = ze.low();
if(ze.high() > maxY) maxY = ze.high();
totalY += (ze.low() + ze.high()) / 2.0f * weight;
numY += weight;
ys.push_back((ze.low() + ze.high()) / 2.0f);
weightings.push_back(weight);
}
/*
int y = height() - 1 - toInt(ze.high / zoomY) + viewBottomOffset;
bottomPoints.setPoint(pointIndex++, n, y);
bottomPoints.setPoint(pointIndex++, n, height());
*/
}
/*
p.setPen(Qt::NoPen);
p.setBrush(gdata->shading1Color());
p.drawRect(firstN, 0, lastN, height());
p.setPen(gdata->shading2Color());
p.drawLineSegments(bottomPoints, 0, pointIndex/2);
*/
} else { // More pixels than samples
float pitch = 0.0;
int intChunk = (int) floor(frameTime); // Integer version of frame time
if(intChunk < 0) intChunk = 0;
double stepSize = 1.0 / baseX; // So we skip some pixels
float corr;
double start = (double(intChunk) - frameTime) * stepSize;
double stop = width() + (2 * stepSize);
//bottomPoints.setPoint(pointIndex++, toInt(start), height());
for (double n = start; n < stop && intChunk < (int)ch->totalChunks(); n += stepSize, intChunk++) {
myassert(intChunk >= 0);
AnalysisData *data = ch->dataAtChunk(intChunk);
/*
if(gdata->pitchContourMode() == 0)
p.setPen(QPen(colorBetween(gdata->backgroundColor(), ch->color, err*sqrt(data->rms)*10.0), lineWidth));
else
p.setPen(QPen(ch->color, lineWidth));
*/
pitch = (ch->isVisibleChunk(data)) ? data->getPitch() : 0.0f;
myassert(pitch >= 0.0 && pitch <= gdata->topPitch());
//corr = data->correlation*sqrt(data->rms)*10.0;
corr = data->getCorrelation() * dB2ViewVal(data->getLogRms());
if(pitch > 0.0f) {
float weight = corr;
if(minY < pitch) minY = pitch;
if(maxY > pitch) maxY = pitch;
totalY += pitch * weight;
numY += weight;
ys.push_back(pitch);
weightings.push_back(weight);
}
//bottomPoints.setPoint(pointIndex++, x, y);
}
//bottomPoints.setPoint(pointIndex, bottomPoints.point(pointIndex-1).x(), height());
//pointIndex++;
/*
myassert(pointIndex <= width()*2);
p.setPen(Qt::NoPen);
p.setBrush(gdata->shading1Color());
p.drawRect(firstN, 0, lastN, height());
p.setBrush(gdata->shading2Color());
p.drawPolygon(bottomPoints, false, 0, pointIndex);
*/
}
if(!ys.empty() > 0) {
float meanY = totalY / numY;
double spred = 0.0;
myassert(ys.size() == weightings.size());
//use a linear spred function. not a squared one like standard deviation
for(uint j=0; j<ys.size(); j++) {
spred += sq(ys[j] - meanY) * weightings[j];
}
spred = sqrt(spred / numY) * 4.0;
//printf("spred = %f\n", spred);
if(spred < 12.0) spred = 12.0; //show a minimum of 12 semi-tones
gdata->view->setViewBottomRaw(meanY - gdata->view->viewHeight() / 2.0);
//gdata->view->setLogZoomYRaw(log(height()/spred));
}
}
void DrawWidget::drawChannelFilled(Channel *ch, QPainter &p, double leftTime, double currentTime, double zoomX, double viewBottom, double zoomY, int viewType)
{
ZoomLookup *z;
if(viewType == DRAW_VIEW_SUMMARY) z = &ch->summaryZoomLookup;
else z = &ch->normalZoomLookup;
ChannelLocker channelLocker(ch);
QColor current = ch->color;
QColor invert(255 - current.red(), 255 - current.green(), 255 - current.blue());
p.setPen(current);
int viewBottomOffset = toInt(viewBottom / zoomY);
viewBottom = double(viewBottomOffset) * zoomY;
// baseX is the no. of chunks a pixel must represent.
double baseX = zoomX / ch->timePerChunk();
z->setZoomLevel(baseX);
double currentChunk = ch->chunkFractionAtTime(currentTime);
double leftFrameTime = currentChunk - ((currentTime - leftTime) / ch->timePerChunk());
//double leftFrameTime = leftTime / ch->timePerChunk();
double frameTime = leftFrameTime;
//if(frameTime < 0.0) frameTime = 0.0;
int n = 0;
int baseElement = int(floor(frameTime / baseX));
if(baseElement < 0) { n -= baseElement; baseElement = 0; }
int lastBaseElement = int(floor(double(ch->totalChunks()) / baseX));
int firstN = n;
int lastN = firstN;
//QPointArray pointArray(width()*2);
//QPointArray topPoints(width()*2);
/* Q3PointArray bottomPoints(width()*2);
Q3PointArray evenMidPoints(width()*2);
Q3PointArray oddMidPoints(width()*2);
Q3PointArray evenMidPoints2(width()*2);
Q3PointArray oddMidPoints2(width()*2);*/
QPolygon bottomPoints(width()*2);
QPolygon evenMidPoints(width()*2);
QPolygon oddMidPoints(width()*2);
QPolygon evenMidPoints2(width()*2);
QPolygon oddMidPoints2(width()*2);
std::vector<QRect> noteRect(width()*2);
std::vector<QRect> noteRect2(width()*2);
std::vector<bool> isNoteRectEven(width()*2);
//int pointIndex = 0;
int pointIndex = 0;
int evenMidPointIndex = 0;
int oddMidPointIndex = 0;
int evenMidPointIndex2 = 0;
int oddMidPointIndex2 = 0;
int rectIndex = 0;
int rectIndex2 = 0;
if (baseX > 1) { // More samples than pixels
int theWidth = width();
//if(baseElement + theWidth > z->size()) z->setSize(baseElement + theWidth);
if(lastBaseElement > z->size()) z->setSize(lastBaseElement);
for(; n < theWidth && baseElement < lastBaseElement; n++, baseElement++) {
myassert(baseElement >= 0);
ZoomElement &ze = z->at(baseElement);
//if(!z->hasValue(baseElement)) {
if(!ze.isValid()) {
if(!calcZoomElement(ch, ze, baseElement, baseX)) continue;
}
/*p.setPen(gdata->shading1Color());
p.moveTo(n, 0);
p.lineTo(n, height() - 1 - toInt(ze.high / zoomY) + viewBottomOffset);
p.setPen(gdata->shading2Color());
p.lineTo(n, height());*/
int y = height() - 1 - toInt(ze.high() / zoomY) + viewBottomOffset;
int y2, y3;
//if(ze.noteIndex >= 0) {
if(ze.noteIndex() != -1 && ch->dataAtChunk(ze.midChunk())->getNoteIndex() != -1) {
myassert(ze.noteIndex() >= 0);
myassert(ze.noteIndex() < int(ch->noteData.size()));
myassert(ch->isValidChunk(ze.midChunk()));
AnalysisData *data = ch->dataAtChunk(ze.midChunk());
//double avgNote = ch->noteData[ze.noteIndex()].avgNote();
//printf("avgFreq = %f, ", ch->noteData[ze.noteIndex].avgFreq());
//printf("numPeriods = %f, ", ch->noteData[ze.noteIndex].numPeriods());
//printf("noteLength = %f\n", ch->noteData[ze.noteIndex].noteLength());
//y2 = height() - 1 - toInt((avgNote+0.5) / zoomY) + viewBottomOffset;
//y3 = height() - 1 - toInt((avgNote-0.5) / zoomY) + viewBottomOffset;
//y2 = height() - 1 - toInt((data->shortTermMean + data->shortTermDeviation) / zoomY) + viewBottomOffset;
//y3 = height() - 1 - toInt((data->shortTermMean - data->shortTermDeviation) / zoomY) + viewBottomOffset;
if(gdata->showMeanVarianceBars()) {
//longTermMean bars
y2 = height() - 1 - toInt((data->getLongTermMean() + data->getLongTermDeviation()) / zoomY) + viewBottomOffset;
y3 = height() - 1 - toInt((data->getLongTermMean() - data->getLongTermDeviation()) / zoomY) + viewBottomOffset;
if(ze.noteIndex() % 2 == 0) {
evenMidPoints.setPoint(evenMidPointIndex++, n, y2);
evenMidPoints.setPoint(evenMidPointIndex++, n, y3);
} else {
oddMidPoints.setPoint(oddMidPointIndex++, n, y2);
oddMidPoints.setPoint(oddMidPointIndex++, n, y3);
}
//shortTermMean bars
y2 = height() - 1 - toInt((data->getShortTermMean() + data->getShortTermDeviation()) / zoomY) + viewBottomOffset;
y3 = height() - 1 - toInt((data->getShortTermMean() - data->getShortTermDeviation()) / zoomY) + viewBottomOffset;
if(ze.noteIndex() % 2 == 0) {
evenMidPoints2.setPoint(evenMidPointIndex2++, n, y2);
evenMidPoints2.setPoint(evenMidPointIndex2++, n, y3);
} else {
oddMidPoints2.setPoint(oddMidPointIndex2++, n, y2);
oddMidPoints2.setPoint(oddMidPointIndex2++, n, y3);
}
}
//} else {
// y2 = y3 = 0;
}
//topPoints.setPoint(pointIndex, n, 0);
//topPoints.setPoint(pointIndex, n, y);
bottomPoints.setPoint(pointIndex++, n, y);
bottomPoints.setPoint(pointIndex++, n, height());
lastN = n;
}
//p.setPen(gdata->shading1Color());
//p.drawLineSegments(topPoints, 0, pointIndex/2);
p.setPen(Qt::NoPen);
p.setBrush(gdata->shading1Color());
p.drawRect(firstN, 0, lastN, height());
p.setPen(gdata->shading2Color());
//p.drawLineSegments(bottomPoints, 0, pointIndex/2);
if(pointIndex > 1) p.drawLines(bottomPoints.constData(), pointIndex/2);
if(gdata->showMeanVarianceBars()) {
//shortTermMean bars
p.setPen(Qt::green);
//p.drawLineSegments(evenMidPoints2, 0, evenMidPointIndex2/2);
if(evenMidPointIndex2 > 1) p.drawLines(evenMidPoints2.constData(), evenMidPointIndex2/2);
p.setPen(Qt::yellow);
//p.drawLineSegments(oddMidPoints2, 0, oddMidPointIndex2/2);
if(oddMidPointIndex2 > 1) p.drawLines(oddMidPoints2.constData(), oddMidPointIndex2/2);
//longTermMean bars
p.setPen(Qt::yellow);
//p.drawLineSegments(evenMidPoints, 0, evenMidPointIndex/2);
if(evenMidPointIndex > 1) p.drawLines(evenMidPoints.constData(), evenMidPointIndex/2);
p.setPen(Qt::green);
//p.drawLineSegments(oddMidPoints, 0, oddMidPointIndex/2);
if(oddMidPointIndex > 1) p.drawLines(oddMidPoints.constData(), oddMidPointIndex/2);
}
} else { // More pixels than samples
float err = 0.0;
float pitch = 0.0;
int intChunk = (int) floor(frameTime); // Integer version of frame time
if(intChunk < 0) intChunk = 0;
double stepSize = 1.0 / baseX; // So we skip some pixels
int x = 0, y, y2, y3;
//double start = 0 - stepSize;
double start = (double(intChunk) - frameTime) * stepSize;
double stop = width() + (2 * stepSize);
//int squareSize = (int(sqrt(stepSize)) / 2) * 2 + 1; //make it an odd number
//int halfSquareSize = squareSize/2;
//QPointArray topPoints(0);
//QPointArray bottomPoints(0);
//int pointIndex = 0;
//topPoints.putPoints(pointIndex, 1, toInt(start), 0);
//bottomPoints.putPoints(pointIndex, 1, toInt(start), height());
//pointIndex++;
//topPoints.setPoint(pointIndex, toInt(start), 0);
bottomPoints.setPoint(pointIndex++, toInt(start), height());
lastN = firstN = toInt(start);
for (double n = start; n < stop && intChunk < (int)ch->totalChunks(); n += stepSize, intChunk++) {
myassert(intChunk >= 0);
//if (intChunk < 0) continue; // So we don't go off the beginning of the array
AnalysisData *data = ch->dataAtChunk(intChunk);
err = data->getCorrelation();
//if (err >= CERTAIN_THRESHOLD) {
//float val = MIN(ch->dataAtChunk(intChunk)->volumeValue, 1.0);
if(gdata->pitchContourMode() == 0)
//p.setPen(QPen(colorBetween(colorGroup().background(), ch->color, err*2.0-1.0), lineWidth));
//p.setPen(QPen(colorBetween(gdata->backgroundColor(), ch->color, err*sqrt(data->rms)*10.0), lineWidth));
p.setPen(QPen(colorBetween(QColor(255, 255, 255), ch->color, err * dB2ViewVal(data->getLogRms())), lineWidth));
else
p.setPen(QPen(ch->color, lineWidth));
x = toInt(n);
lastN = x;
//note = (data->isValid()) ? data->note : 0.0f;
//note = (ch->isVisibleNote(data->noteIndex)) ? data->note : 0.0f;
pitch = (ch->isVisibleChunk(data)) ? data->getPitch() : 0.0f;
//if(ch->isVisibleChunk(data)) {
if(data->getNoteIndex() >= 0) {
isNoteRectEven[rectIndex] = (data->getNoteIndex() % 2) == 0;
//note = data->note;
//double avgNote = ch->noteData[data->noteIndex].avgNote();
//y2 = height() - 1 - toInt((avgNote+0.5) / zoomY) + viewBottomOffset;
//y3 = height() - 1 - toInt((avgNote-0.5) / zoomY) + viewBottomOffset;
//y2 = height() - 1 - toInt((data->shortTermMean + data->shortTermDeviation) / zoomY) + viewBottomOffset;
//y3 = height() - 1 - toInt((data->shortTermMean - data->shortTermDeviation) / zoomY) + viewBottomOffset;
if(gdata->showMeanVarianceBars()) {
//longTermMean bars
y2 = height() - 1 - toInt((data->getLongTermMean() + data->getLongTermDeviation()) / zoomY) + viewBottomOffset;
y3 = height() - 1 - toInt((data->getLongTermMean() - data->getLongTermDeviation()) / zoomY) + viewBottomOffset;
noteRect[rectIndex].setLeft(x);
noteRect[rectIndex].setRight(toInt(n+stepSize));
noteRect[rectIndex].setTop(y2);
noteRect[rectIndex++].setBottom(y3);
//shortTermMean bars
y2 = height() - 1 - toInt((data->getShortTermMean() + data->getShortTermDeviation()) / zoomY) + viewBottomOffset;
y3 = height() - 1 - toInt((data->getShortTermMean() - data->getShortTermDeviation()) / zoomY) + viewBottomOffset;
noteRect2[rectIndex2].setLeft(x);
noteRect2[rectIndex2].setRight(toInt(n+stepSize));
noteRect2[rectIndex2].setTop(y2);
noteRect2[rectIndex2++].setBottom(y3);
}
//} else {
// note = 0.0f;
}
myassert(pitch >= 0.0 && pitch <= gdata->topPitch());
//note = bound(note, 0, gdata->topNote());
y = height() - 1 - toInt(pitch / zoomY) + viewBottomOffset;
//y = height() - 1 - int((note / zoomY) - (viewBottom / zoomY));
//topPoints.putPoints(pointIndex, 1, x, y);
//bottomPoints.putPoints(pointIndex, 1, x, y);
//pointIndex++;
//topPoints.setPoint(pointIndex, x, y);
bottomPoints.setPoint(pointIndex++, x, y);
}
//topPoints.putPoints(pointIndex, 1, topPoints.point(pointIndex-1).x(), 0);
//bottomPoints.putPoints(pointIndex, 1, bottomPoints.point(pointIndex-1).x(), height());
//pointIndex++;
//topPoints.setPoint(pointIndex, topPoints.point(pointIndex-1).x(), 0);
bottomPoints.setPoint(pointIndex, bottomPoints.point(pointIndex-1).x(), height());
pointIndex++;
//p.setPen(gdata->shading1Color());
//p.setBrush(gdata->shading1Color());
//p.drawPolygon(topPoints);
//p.setPen(gdata->shading2Color());
//p.setBrush(gdata->shading2Color());
//p.drawPolygon(bottomPoints);
myassert(pointIndex <= width()*2);
//p.setPen(gdata->shading1Color());
p.setPen(Qt::NoPen);
p.setBrush(gdata->shading1Color());
//p.drawPolygon(topPoints, false, 0, pointIndex);
p.drawRect(firstN, 0, lastN, height());
//p.setPen(gdata->shading2Color());
p.setBrush(gdata->shading2Color());
//p.drawPolygon(bottomPoints, false, 0, pointIndex);
p.drawPolygon(bottomPoints.constData(), pointIndex, Qt::OddEvenFill);
if(gdata->showMeanVarianceBars()) {
//shortTermMean bars
for(int j=0; j<rectIndex2; j++) {
if(isNoteRectEven[j]) p.setBrush(Qt::green);
else p.setBrush(Qt::yellow);
p.drawRect(noteRect2[j]);
}
//longTermMean bars
QColor seeThroughYellow = Qt::yellow;
seeThroughYellow.setAlpha(255);
QColor seeThroughGreen = Qt::green;
seeThroughGreen.setAlpha(255);
for(int j=0; j<rectIndex; j++) {
//if(isNoteRectEven[j]) p.setBrush(QBrush(Qt::yellow, Qt::Dense3Pattern));
//else p.setBrush(QBrush(Qt::green, Qt::Dense3Pattern));
if(isNoteRectEven[j]) p.setBrush(seeThroughYellow);
else p.setBrush(seeThroughGreen);
p.drawRect(noteRect[j]);
}
}
}
}
void DrawWidget::drawChannel(QPaintDevice &pd, Channel *ch, QPainter &p, double leftTime, double currentTime, double zoomX, double viewBottom, double zoomY, int viewType)
{
ZoomLookup *z;
if(viewType == DRAW_VIEW_SUMMARY) z = &ch->summaryZoomLookup;
else z = &ch->normalZoomLookup;
ChannelLocker channelLocker(ch);
QColor current = ch->color;
QColor invert(255 - current.red(), 255 - current.green(), 255 - current.blue());
p.setPen(current);
int viewBottomOffset = toInt(viewBottom / zoomY);
printf("viewBottomOffset=%d, %f, %f\n", viewBottomOffset, viewBottom, zoomY);
viewBottom = double(viewBottomOffset) * zoomY;
// baseX is the no. of chunks a pixel must represent.
double baseX = zoomX / ch->timePerChunk();
z->setZoomLevel(baseX);
double currentChunk = ch->chunkFractionAtTime(currentTime);
double leftFrameTime = currentChunk - ((currentTime - leftTime) / ch->timePerChunk());
//double leftFrameTime = leftTime / ch->timePerChunk();
double frameTime = leftFrameTime;
//if(frameTime < 0.0) frameTime = 0.0;
int n = 0;
int baseElement = int(floor(frameTime / baseX));
if(baseElement < 0) { n -= baseElement; baseElement = 0; }
int lastBaseElement = int(floor(double(ch->totalChunks()) / baseX));
Q3PointArray pointArray(pd.width()*2);
//QPointArray topPoints(width()*2);
//QPointArray bottomPoints(width()*2);
//int pointIndex = 0;
//int pointIndex = 0;
if (baseX > 1) { // More samples than pixels
int theWidth = pd.width();
//if(baseElement + theWidth > z->size()) z->setSize(baseElement + theWidth);
if(lastBaseElement > z->size()) z->setSize(lastBaseElement);
for(; n < theWidth && baseElement < lastBaseElement; n++, baseElement++) {
myassert(baseElement >= 0);
ZoomElement &ze = z->at(baseElement);
if(!ze.isValid()) {
if(calcZoomElement(ch, ze, baseElement, baseX)) continue;
}
if(ze.high() != 0.0f && ze.high() - ze.low() < 1.0) { //if range is closer than one semi-tone then draw a line between them
//if(ze.noteLow > 0) {
p.setPen(ze.color());
//p.setPen(QPen(ze.color(), lineWidth));
//Note: lineTo doen't draw a pixel on the last point of the line
p.drawLine(n, pd.height() - lineTopHalfWidth - toInt(ze.high() / zoomY) + viewBottomOffset, n, pd.height() + lineBottomHalfWidth - toInt(ze.low() / zoomY) + viewBottomOffset);
//pointArray.setPoint(pointIndex++, n, height() - lineTopHalfWidth - toInt(ze.high / zoomY) + viewBottomOffset);
//pointArray.setPoint(pointIndex++, n, height() + lineBottomHalfWidth - toInt(ze.low / zoomY) + viewBottomOffset);
}
}
//myassert(pointIndex <= width()*2);
//p.setPen(ch->color);
//p.drawLineSegments(pointArray, 0, pointIndex/2);
} else { // More pixels than samples
float err = 0.0, pitch = 0.0, prevPitch = 0.0, vol;
int intChunk = (int) floor(frameTime); // Integer version of frame time
if(intChunk < 0) intChunk = 0;
double stepSize = 1.0 / baseX; // So we skip some pixels
int x = 0, y;
//double start = 0 - stepSize;
double start = (double(intChunk) - frameTime) * stepSize;
double stop = pd.width() + (2 * stepSize);
int squareSize = (int(sqrt(stepSize)) / 2) * 2 + 1; //make it an odd number
int halfSquareSize = squareSize/2;
int penX=0, penY=0;
//topPoints.setPoint(pointIndex, toInt(start), 0);
//bottomPoints.setPoint(pointIndex++, toInt(start), height());
for (double n = start; n < stop && intChunk < (int)ch->totalChunks(); n += stepSize, intChunk++) {
myassert(intChunk >= 0);
//if (intChunk < 0) continue; // So we don't go off the beginning of the array
AnalysisData *data = ch->dataAtChunk(intChunk);
err = data->getCorrelation();
//vol = dB2ViewVal(data->logrms(), ch->rmsCeiling, ch->rmsFloor);
vol = dB2Normalised(data->getLogRms(), ch->rmsCeiling, ch->rmsFloor);
//if (err >= CERTAIN_THRESHOLD) {
//float val = MIN(ch->dataAtChunk(intChunk)->volumeValue, 1.0);
if(gdata->pitchContourMode() == 0)
//p.setPen(QPen(colorBetween(colorGroup().background(), ch->color, err*2.0-1.0), lineWidth));
//p.setPen(QPen(colorBetween(gdata->backgroundColor(), ch->color, err*sqrt(data->rms)*10.0), lineWidth));
if(viewType == DRAW_VIEW_PRINT)
p.setPen(QPen(colorBetween(QColor(255, 255, 255), ch->color, err*vol), lineWidth));
else
p.setPen(QPen(colorBetween(gdata->backgroundColor(), ch->color, err*vol), lineWidth));
else
p.setPen(QPen(ch->color, lineWidth));
x = toInt(n);
//note = (data->isValid()) ? data->note : 0.0f;
//note = (ch->isVisibleNote(data->noteIndex)) ? data->note : 0.0f;
pitch = (ch->isVisibleChunk(data)) ? data->getPitch() : 0.0f;
myassert(pitch >= 0.0 && pitch <= gdata->topPitch());
//pitch = bound(pitch, 0, gdata->topPitch());
y = pd.height() - 1 - toInt(pitch / zoomY) + viewBottomOffset;
//y = height() - 1 - int((note / zoomY) - (viewBottom / zoomY));
if(pitch > 0.0f) {
if(fabs(prevPitch - pitch) < 1.0 && n != start) { //if closer than one semi-tone from previous then draw a line between them
//p.lineTo(x, y);
p.drawLine(penX, penY, x, y);
penX = x; penY = y;
} else {
p.drawPoint(x, y);
//p.moveTo(x, y);
penX = x; penY = y;
}
if(stepSize > 10) { //draw squares on the data points
//p.setPen(invert);
p.setBrush(Qt::NoBrush);
p.drawRect(x - halfSquareSize, y - halfSquareSize, squareSize, squareSize);
//p.setPen(QPen(current, 2));
}
//} else {
// p.moveTo(x, height()-1-int(((note-viewBottom) / zoomY)));
//}
}
prevPitch = pitch;
}
}
}
void CorrelationWidget::paintEvent( QPaintEvent * )
{
Channel *active = gdata->getActiveChannel();
AnalysisData *data = NULL;
int chunk=0;
double dh2 = double(height()-1) / 2.0;
int j, x, y;
beginDrawing(false);
if(active) {
active->lock();
chunk = active->currentChunk();
data = active->dataAtChunk(chunk);
//int centerX = width() / 2;
if(data) {
double freq = data->getFundamentalFreq();
double period = double(active->rate()) / freq;
//double numPeriods = double(active->size()) / period;
double scaleX = period * double(width()) / double(active->nsdfData.size()); //pixels per period
//draw alternating background color indicating period
if(gdata->view->backgroundShading() && period > 4.0 && period < double(active->nsdfData.size())) {
int n = int(ceil(double(width()) / scaleX)); //number of colored patches
p.setPen(Qt::NoPen);
QColor color1 = colorBetween(gdata->backgroundColor(), gdata->shading1Color(), data->getCorrelation());
QColor color2 = colorBetween(gdata->backgroundColor(), gdata->shading2Color(), data->getCorrelation());
for(j = 0; j<n; j++) {
x = toInt(scaleX*double(j));
p.setBrush((j%2) ? color1 : color2);
p.drawRect(x, 0, toInt(scaleX*double(j+1)) - toInt(scaleX*double(j)), height());
}
p.setPen(colorBetween(gdata->backgroundColor(), Qt::black, 0.3 * data->getCorrelation()));
for(j = 0; j<n; j++) {
x = toInt(scaleX*double(j));
p.drawLine(x, 0, x, height());
}
} else {
clearBackground();
}
QString numPeriodsText;
numPeriodsText.sprintf("Period = %lf", period);
p.setPen(Qt::black);
p.drawText(5, height() - 8, numPeriodsText);
} else {
clearBackground();
}
} else {
clearBackground();
}
//draw the horizontal center line
p.setPen(QPen(colorBetween(colorGroup().background(), Qt::black, 0.3), 0));
p.drawLine(0, toInt(dh2), width(), toInt(dh2));
if(active) {
if(gdata->doingFreqAnalysis()) {
int w = width() / 2; //only do every second pixel (for speed)
//draw the waveform
if(int(pointArray.size()) != w) pointArray.resize(w);
if(lookup.size() != w) lookup.resize(w);
NoteData *currentNote = active->getCurrentNote();
Array1d<float> *input = &(active->nsdfData);
if(currentNote) {
if(aggregateMode == 1) input = ¤tNote->nsdfAggregateData;
else if(aggregateMode == 2) input = ¤tNote->nsdfAggregateDataScaled;
}
//bresenham1d(*input, lookup);
maxAbsDecimate1d(*input, lookup);
for(int j=0; j<w; j++) {
pointArray.setPoint(j, j*2, toInt(dh2 - lookup[j]*dh2));
}
p.setPen(QPen(active->color, 0));
p.drawPolyline(pointArray);
}
if(data && (aggregateMode == 0)) {
double ratio = double(width()) / double(active->nsdfData.size()); //pixels per index
//float highest = active->nsdfData.at(data->highestCorrelationIndex);
//float chosen = active->nsdfData.at(data->chosenCorrelationIndex);
//draw a dot at all the period estimates
p.setPen(Qt::blue);
p.setBrush(Qt::blue);
for(j=0; j<int(data->getPeriodEstimatesSize()); j++) {
x = toInt(double(data->getPeriodEstimatesAt(j)) * ratio);
y = toInt(dh2 - data->getPeriodEstimatesAmpAt(j) * dh2);
p.drawEllipse(x-2, y-2, 5, 5);
}
if(data->getHighestCorrelationIndex() >= 0) {
float highest = data->getPeriodEstimatesAmpAt(data->getHighestCorrelationIndex());
//draw threshold line
p.setPen(QPen(colorBetween(colorGroup().background(), Qt::black, 0.3), 0));
y = toInt(dh2 - (highest * active->threshold()) * dh2);
p.drawLine(0, y, width(), y);
//draw a dot at the highest correlation period
p.setPen(Qt::black);
p.setBrush(Qt::black);
//x = toInt(double(data->highestCorrelationIndex) * ratio);
x = toInt(double(data->getPeriodEstimatesAt(data->getHighestCorrelationIndex())) * ratio);
y = toInt(dh2 - highest * dh2);
p.drawEllipse(x-2, y-2, 5, 5);
}
//draw a dot at the chosen correlation period
if(data->getChosenCorrelationIndex() >= 0) {
p.setPen(Qt::red);
p.setBrush(Qt::red);
//x = toInt(double(data->chosenCorrelationIndex) * ratio);
//y = toInt(dh2 - chosen * dh2);
x = toInt(double(data->getPeriodEstimatesAt(data->getChosenCorrelationIndex())) * ratio);
y = toInt(dh2 - data->getPeriodEstimatesAmpAt(data->getChosenCorrelationIndex()) * dh2);
p.drawEllipse(x-2, y-2, 5, 5);
}
//draw a line at the chosen correlation period
if(data->getChosenCorrelationIndex() >= 0) {
p.setPen(Qt::green);
p.setBrush(Qt::green);
//x = toInt(double(data->periodOctaveEstimate) * ratio);
x = toInt(double(active->periodOctaveEstimate(chunk)) * ratio);
p.drawLine(x, 0, x, height());
}
}
active->unlock();
}
endDrawing();
}
//void MyTransforms::calculateAnalysisData(float *input, AnalysisData &analysisData, Channel *ch, float threshold)
void MyTransforms::calculateAnalysisData(/*float *input, */int chunk, Channel *ch/*, float threshold*/)
{
myassert(ch);
myassert(ch->dataAtChunk(chunk));
AnalysisData &analysisData = *ch->dataAtChunk(chunk);
AnalysisData *prevAnalysisData = ch->dataAtChunk(chunk-1);
//Array1d<float> output(k);
float *output = ch->nsdfData.begin();
float *curInput = (equalLoudness) ? ch->filteredInput.begin() : ch->directInput.begin();
std::vector<int> nsdfMaxPositions;
//int pos = 0;
//int curMaxPos = 0;
//float corrError = 0.0f;
//freqPerBin = rate / 2.0 / double(size);
//analysisData.maxIntensity = fabs(*std::max_element(input, input+n, absoluteLess()));
analysisData.maxIntensityDB() = linear2dB(fabs(*std::max_element(curInput, curInput+n, absoluteLess<float>())));
//if(gdata->doingActiveFFT()) {
//std::copy(curInput, curInput+n, dataTime);
doChannelDataFFT(ch, curInput, chunk);
//std::copy(dataTemp, dataTemp+n, dataTime);
//}
std::copy(curInput, curInput+n, dataTime);
//if(!gdata->doingActiveAnalysis()) return;
//if(gdata->doingFreqAnalysis()) {
if(gdata->doingFreqAnalysis() && (ch->firstTimeThrough() || gdata->doingActiveAnalysis())) {
//calculate the Normalised Square Difference Function
//analysisData.rms = nsdf(dataTime, output.begin()) / double(n/*size*/);
//analysisData.rms = nsdf(dataTime, output) / double(n/*size*/);
double logrms = linear2dB(nsdf(dataTime, ch->nsdfData.begin()) / double(n)); /**< Do the NSDF calculation */
analysisData.logrms() = logrms;
if(gdata->doingAutoNoiseFloor() && !analysisData.done) {
//do it for gdata. this is only here for old code. remove some stage
if(chunk == 0) { gdata->rmsFloor() = 0.0; gdata->rmsCeiling() = gdata->dBFloor(); }
if(logrms+15 < gdata->rmsFloor()) gdata->rmsFloor() = logrms+15;
if(logrms > gdata->rmsCeiling()) gdata->rmsCeiling() = logrms;
//do it for the channel
if(chunk == 0) { ch->rmsFloor = 0.0; ch->rmsCeiling = gdata->dBFloor(); }
if(logrms+15 < ch->rmsFloor) ch->rmsFloor = logrms+15;
if(logrms > ch->rmsCeiling) ch->rmsCeiling = logrms;
}
//if(!analysisData.done) {
//analysisData.notePlaying = ch->isNotePlaying();
//if(ch->isNotePlaying())
// addTo(ch->nsdfData.begin(), ch->nsdfData.end(), ch->nsdfAggregateData.begin());
//}
//analysisData.freqCentroid() = calcFreqCentroid(storeFFT, size);
analysisData.freqCentroid() = calcFreqCentroidFromLogMagnitudes(ch->fftData1.begin(), ch->fftData1.size());
if(prevAnalysisData)
analysisData.deltaFreqCentroid() = bound(fabs(analysisData.freqCentroid() - prevAnalysisData->freqCentroid())*20.0, 0.0, 1.0);
else
analysisData.deltaFreqCentroid() = 0.0;
findNSDFMaxima(ch->nsdfData.begin(), k, nsdfMaxPositions);
if(!analysisData.done) {
//if(ch->isNotePlaying()) {
//analysisData.periodOctaveEstimate = ch->calcOctaveEstimate(chunk, threshold);
/*
findNSDFMaxima(ch->nsdfAggregateData.begin(), k, nsdfAggregateMaxPositions);
myassert(!nsdfAggregateMaxPositions.empty());
//get the highest nsdfAggregateMaxPosition
uint j;
int nsdfAggregateMaxIndex = 0;
int nsdfAggregateChoosenIndex = 0;
for(j=1; j<nsdfAggregateMaxPositions.size(); j++) {
if(ch->nsdfAggregateData[nsdfAggregateMaxPositions[j]] > ch->nsdfAggregateData[nsdfAggregateMaxPositions[nsdfAggregateMaxIndex]]) nsdfAggregateMaxIndex = j;
}
//get the choosen nsdfAggregateMaxPosition
float nsdfAggregateCutoff = ch->nsdfAggregateData[nsdfAggregateMaxPositions[nsdfAggregateMaxIndex]] * threshold;
for(j=0; j<nsdfAggregateMaxPositions.size(); j++) {
if(ch->nsdfAggregateData[nsdfAggregateMaxPositions[j]] >= nsdfAggregateCutoff) { nsdfAggregateChoosenIndex = j; break; }
}
analysisData.periodOctaveEstimate = float(nsdfAggregateMaxPositions[nsdfAggregateChoosenIndex]+1); //add 1 for index offset, ie position 0 = 1 period
*/
}
//store some of the best period estimates
analysisData.periodEstimates.clear();
analysisData.periodEstimatesAmp.clear();
//float smallThreshold = 0.7f;
//float smallCutoff = output[overallMaxIndex] * smallThreshold;
float smallCutoff = 0.4f;
for(std::vector<int>::iterator iter = nsdfMaxPositions.begin(); iter < nsdfMaxPositions.end(); iter++) {
if(output[*iter] >= smallCutoff) {
//analysisData.periodEstimates.push_back(double(*iter + 1) + parabolaTurningPoint(output[*iter-1], output[*iter], output[*iter+1]));
//analysisData.periodEstimatesAmp.push_back(output[*iter]); //TODO: These should be calculated more accurately
float x, y;
//do a parabola fit to find the maximum
parabolaTurningPoint2(output[*iter-1], output[*iter], output[*iter+1], float(*iter + 1), &x, &y);
y = bound(y, -1.0f, 1.0f);
analysisData.periodEstimates.push_back(x);
analysisData.periodEstimatesAmp.push_back(y);
}
}
float periodDiff = 0.0f;
//if(maxPositions.empty()) { //no period found
if(analysisData.periodEstimates.empty()) { //no period found
//analysisData.correlation() = 0.0f;
analysisData.calcScores();
analysisData.done = true;
//goto finished; //return;
} else {
//calc the periodDiff
if(chunk > 0 && prevAnalysisData->highestCorrelationIndex!=-1) {
float prevPeriod = prevAnalysisData->periodEstimates[prevAnalysisData->highestCorrelationIndex];
std::vector<float>::iterator closestIter = binary_search_closest(analysisData.periodEstimates.begin(), analysisData.periodEstimates.end(), prevPeriod);
//print_elements(analysisData.periodEstimates.begin(), analysisData.periodEstimates.end());
//printf("closestIter = %f, %f\n", *closestIter, prevPeriod);
periodDiff = *closestIter - prevPeriod;
if(absolute(periodDiff) > 8.0f) periodDiff = 0.0f;
}
int nsdfMaxIndex = int(std::max_element(analysisData.periodEstimatesAmp.begin(), analysisData.periodEstimatesAmp.end()) - analysisData.periodEstimatesAmp.begin());
analysisData.highestCorrelationIndex = nsdfMaxIndex;
if(!analysisData.done) {
//if(gdata->doingActiveCepstrum()) {
if(gdata->analysisType() == MPM_MODIFIED_CEPSTRUM) {
ch->chooseCorrelationIndex(chunk, float(analysisData.cepstrumIndex)); //calculate pitch
} else {
if(ch->isNotePlaying() && chunk > 0) {
//ch->chooseCorrelationIndex(chunk, ch->getLastNote()->periodOctaveEstimate()); //calculate pitch
//ch->chooseCorrelationIndex(chunk, ch->periodOctaveEstimate(std::max(0, chunk-1))); //calculate pitch
ch->chooseCorrelationIndex(chunk, ch->periodOctaveEstimate(chunk-1)); //calculate pitch
} else {
ch->chooseCorrelationIndex1(chunk); //calculate pitch
}
//ch->chooseCorrelationIndex(chunk, (float)ch->rate() / 440.0f); //calculate pitch
}
ch->calcDeviation(chunk);
ch->doPronyFit(chunk); //calculate vibratoPitch, vibratoWidth, vibratoSpeed
}
analysisData.changeness() = 0.0f;
//analysisData.changeness() = get_max_note_change(dataTime, analysisData.period);
if(gdata->doingHarmonicAnalysis()) {
std::copy(dataTime, dataTime+n, dataTemp);
if(analysisData.chosenCorrelationIndex >= 0)
doHarmonicAnalysis(dataTemp, analysisData, analysisData.periodEstimates[analysisData.chosenCorrelationIndex]/*period*/);
//doHarmonicAnalysis(input, analysisData, period);
}
//analysisData.volumeValue = (dB2Normalised(analysisData.logrms) + (analysisData.correlation-1.0f)) * 0.2;
}
//float periodDiff = 0.0f;
if(gdata->doingFreqAnalysis() && ch->doingDetailedPitch() && ch->firstTimeThrough()) {
//periodDiff = ch->calcDetailedPitch(curInput, analysisData.period, chunk);
float periodDiff2 = ch->calcDetailedPitch(curInput, analysisData.period, chunk);
//printf("chunk=%d, %f, %f\n", chunk, periodDiff, periodDiff2);
periodDiff = periodDiff2;
ch->pitchLookup.push_back(ch->detailedPitchData.begin(), ch->detailedPitchData.size());
ch->pitchLookupSmoothed.push_back(ch->detailedPitchDataSmoothed.begin(), ch->detailedPitchDataSmoothed.size());
/* float periodDiff1 = (rate / pitch2freq(ch->detailedPitchData.back()));
float periodDiff2 = (rate / pitch2freq(ch->detailedPitchData.front()));
periodDiff = periodDiff1 - periodDiff2;
printf("%f, %f, %f\n", periodDiff1, periodDiff2, periodDiff);
*/
}
if(!analysisData.done) {
analysisData.calcScores();
ch->processNoteDecisions(chunk, periodDiff);
analysisData.done = true;
}
if(gdata->doingFreqAnalysis() && ch->doingDetailedPitch() && ch->firstTimeThrough()) {
ch->calcVibratoData(chunk);
}
}
if(gdata->doingFreqAnalysis() && ch->doingDetailedPitch() && (!ch->firstTimeThrough())) {
ch->pitchLookup.copyTo(ch->detailedPitchData.begin(), chunk*ch->detailedPitchData.size(), ch->detailedPitchData.size());
ch->pitchLookupSmoothed.copyTo(ch->detailedPitchDataSmoothed.begin(), chunk*ch->detailedPitchDataSmoothed.size(), ch->detailedPitchDataSmoothed.size());
}
if(!analysisData.done) {
int j;
//calc rms by hand
double rms = 0.0;
for(j=0; j<n; j++) {
rms += sq(dataTime[j]);
}
//analysisData.rms = sqrt(analysisData.rms);
analysisData.logrms() = linear2dB(rms / float(n));
analysisData.calcScores();
analysisData.done = true;
}
}
//------------------------------------------------------------------------------
bool lessFundametalFreq::operator()(const AnalysisData & x, const AnalysisData & y)
{
return x.getFundamentalFreq() < y.getFundamentalFreq();
}
void HBlockWidget::paintEvent( QPaintEvent * )
{
Channel *active = gdata->getActiveChannel();
beginDrawing();
if(active) {
AnalysisData *theData = active->dataAtCurrentChunk();
if(theData) {
//get a copy of theData so we don't hold the mutex for too long
active->lock();
AnalysisData data = *theData;
active->unlock();
// We have harmonicFreq - the actual frequencies of the harmonies - and harmonicAmp, their amplitude
//std::vector<float> harmonicFreq = active->lookup[frame].harmonicFreq;
std::vector<float> harmonicFreq = data.harmonicFreq;
// harmonicAmp values range between 0-1
//std::vector<float> harmonicAmp = active->lookup[frame].harmonicAmp;
std::vector<float> harmonicAmp = data.harmonicAmp;
// Get the frame's fundamental frequency
//float fund = active->lookup[frame].fundamentalFreq;
float fund = data.fundamentalFreq;
// Work out the bar height for each harmonic
double barHeight = double(height()) / double(harmonicFreq.size());
QColor fillColor = colorBetween(colorGroup().background(), active->color, data.volumeValue());
QColor outlineColor = colorBetween(colorGroup().background(), Qt::black, data.volumeValue());
p.setBrush(fillColor);
int barStart = 0;
float barWidth = 0;
int diff = 0;
/*
* Each note has a fundamental frequency f, which comes from the lookup table.
* The harmonic frequencies are defined as f, 2f, 3f, 4f, 5f...
* harmonicFreq stores what the harmonics have been calculated to be.
*/
for (uint i = 0; i < harmonicFreq.size(); i++) {
p.setPen(outlineColor);
p.setBrush(colorBetween(fillColor, Qt::black, data.harmonicNoise[i]));
// Work out how many pixels wide the harmonic should be
barWidth = (harmonicAmp.at(i)) * width();
/* Work out how many pixels the harmonic should be offset from where it would be
* if it were exactly (i+1)f */
//diff = toInt( (harmonicFreq.at(i) - (i+1) * fund) / fund * width() / 10.0 );
diff = toInt( (harmonicFreq.at(i) - (i+1) * fund) / fund * barWidth );
// Work out the starting position, and draw the bar
barStart = toInt( ((width() / 2) + diff) - barWidth / 2);
int barBottom = height() - toInt(barHeight * i);
p.drawRect(barStart, barBottom, toInt(barWidth), -toInt(barHeight));
// Draw the centre line on the bar
p.setPen(Qt::white);
p.drawLine((width() / 2) + diff, barBottom, (width() / 2) + diff, barBottom - toInt(barHeight));
}
// Draw the exact line (f, 2f, 3f...)
p.setPen(Qt::white);
p.drawLine(width() / 2, 0, width() /2, height());
}
}
endDrawing();
}
//------------------------------------------------------------------------------
bool greaterValue::operator()(const AnalysisData &x, const AnalysisData &y)
{
return x.getValue(v) > y.getValue(v);
}
//------------------------------------------------------------------------------
bool lessValue::operator()(const AnalysisData &x, const AnalysisData &y)
{
return x.getValue(v) < y.getValue(v);
}
//------------------------------------------------------------------------------
bool greaterPitch::operator()(const AnalysisData &x, const AnalysisData &y)
{
return x.getPitch() > y.getPitch();
}
//------------------------------------------------------------------------------
bool lessPitch::operator()(const AnalysisData &x, const AnalysisData &y)
{
return x.getPitch() < y.getPitch();
}
//------------------------------------------------------------------------------
bool greaterFundametalFreq::operator()(const AnalysisData &x, const AnalysisData &y)
{
return x.getFundamentalFreq() > y.getFundamentalFreq();
}
void VibratoTimeAxis::doUpdate()
{
Channel *active = gdata->getActiveChannel();
int myStartChunk = -1;
int myCurrentChunk = -1;
int myEndChunk = -1;
double myNoteLength = 0.0;
int myWindowOffset = -999999;
if (active) {
AnalysisData *data = active->dataAtCurrentChunk();
if(data && active->isVisibleNote(data->getNoteIndex()) && active->isLabelNote(data->getNoteIndex())) {
NoteData *note = new NoteData();
note = &active->noteData[data->getNoteIndex()];
myStartChunk = note->startChunk();
myCurrentChunk = active->chunkAtCurrentTime();
myEndChunk = note->endChunk();
myNoteLength = note->noteLength();
// Calculate windowoffset
if ((myEndChunk - myStartChunk) * zoomFactorX > width() - 2 * noteLabelOffset) {
// The vibrato-polyline doesn't fit in the window
if ((myCurrentChunk - myStartChunk) * zoomFactorX < (width() - 2 * noteLabelOffset)/2) {
// We're at the left side of the vibrato-polyline
myWindowOffset = 0 - noteLabelOffset;
} else if ((myEndChunk - myCurrentChunk) * zoomFactorX < (width() - 2 * noteLabelOffset)/2) {
// We're at the right side of the vibrato-polyline
myWindowOffset = toInt((myEndChunk - myStartChunk) * zoomFactorX - width() + noteLabelOffset + 1);
} else {
// We're somewhere in the middle of the vibrato-polyline
myWindowOffset = toInt((myCurrentChunk - myStartChunk) * zoomFactorX - width()/2);
}
} else {
// The vibrato-polyline does fit in the window
myWindowOffset = 0 - noteLabelOffset;
}
}
}
if (myCurrentChunk == -1) {
// No note
if (prevCurrentChunk == myCurrentChunk) {
// Still no timeaxis needed, no update needed
} else {
// Timeaxis should be erased, update widget
prevCurrentChunk = -1;
prevWindowOffset = -999999;
currentChunkToUse = -1;
}
} else {
// Note
if (prevWindowOffset == myWindowOffset) {
// No movement, don't redraw timeaxis
} else {
// Position in note to draw has changed, so draw the timeaxis
prevCurrentChunk = myCurrentChunk;
prevWindowOffset = myWindowOffset;
startChunkToUse = myStartChunk;
currentChunkToUse = myCurrentChunk;
endChunkToUse = myEndChunk;
noteLengthToUse = myNoteLength;
windowOffsetToUse = myWindowOffset;
}
}
}
//void AmplitudeWidget::drawChannelAmplitudeFilled(Channel *ch, QPainter &p)
void AmplitudeWidget::drawChannelAmplitudeFilledGL(Channel *ch)
{
View *view = gdata->view;
ChannelLocker channelLocker(ch);
ZoomLookup *z = &ch->amplitudeZoomLookup;
// baseX is the no. of chunks a pixel must represent.
double baseX = view->zoomX() / ch->timePerChunk();
z->setZoomLevel(baseX);
double currentChunk = ch->chunkFractionAtTime(view->currentTime());
double leftFrameTime = currentChunk - ((view->currentTime() - view->viewLeft()) / ch->timePerChunk());
int n = 0;
int baseElement = int(floor(leftFrameTime / baseX));
if(baseElement < 0) { n -= baseElement; baseElement = 0; }
int lastBaseElement = int(floor(double(ch->totalChunks()) / baseX));
//double heightRatio = double(height()) / dBRange();
double heightRatio = double(height()) / range();
//int firstN = n;
//int lastN = firstN;
//Q3PointArray bottomPoints(width()*2);
Array1d<MyGLfloat2d> vertexArray(width()*2);
int pointIndex = 0;
//int topBottomPointIndex = 0;
if (baseX > 1) { // More samples than pixels
int theWidth = width();
//if(baseElement + theWidth > z->size()) z->setSize(baseElement + theWidth);
if(lastBaseElement > z->size()) z->setSize(lastBaseElement);
for(; n < theWidth && baseElement < lastBaseElement; n++, baseElement++) {
myassert(baseElement >= 0);
ZoomElement &ze = z->at(baseElement);
//if(!z->hasValue(baseElement)) {
if(!ze.isValid()) {
if(!calcZoomElement(ze, ch, baseElement, baseX)) continue;
}
int y = height() - 1 - toInt((ze.high() - offsetInv()) * heightRatio);
//bottomPoints.setPoint(topBottomPointIndex++, n, y);
//bottomPoints.setPoint(topBottomPointIndex++, n, height());
vertexArray[pointIndex++] = MyGLfloat2d(n, y);
vertexArray[pointIndex++] = MyGLfloat2d(n, height());
//lastN = n;
}
//p.setPen(Qt::NoPen);
//p.setBrush(gdata->shading1Color());
//p.drawRect(firstN, 0, lastN, height());
//p.setPen(gdata->shading2Color());
//p.drawLineSegments(bottomPoints, 0, topBottomPointIndex/2);
qglColor(gdata->shading2Color());
glVertexPointer(2, GL_FLOAT, 0, vertexArray.begin());
glDrawArrays(GL_QUAD_STRIP, 0, pointIndex);
} else { //baseX <= 1
float err = 0.0;
float val = 0.0;
int intChunk = (int) floor(leftFrameTime); // Integer version of frame time
double stepSize = 1.0 / baseX; // So we skip some pixels
float x = 0.0f, y;
//double start = 0 - stepSize;
double start = (double(intChunk) - leftFrameTime) * stepSize;
double stop = width() + (2 * stepSize);
//int squareSize = (int(sqrt(stepSize)) / 2) * 2 + 1; //make it an odd number
//int halfSquareSize = squareSize/2;
double dn = start;
int totalChunks = ch->totalChunks();
if(intChunk < 0) { dn += stepSize * -intChunk; intChunk = 0; }
//bottomPoints.setPoint(topBottomPointIndex++, toInt(dn), height());
//vertexArray[pointIndex++] = MyGLfloat2d((GLfloat)dn, height());
//firstN = toInt(dn);
for(; dn < stop && intChunk < totalChunks; dn += stepSize, intChunk++) {
AnalysisData *data = ch->dataAtChunk(intChunk);
myassert(data);
if(!data) continue;
err = data->correlation();
val = calculateElement(data);
//p.setPen(QPen(colorBetween(colorGroup().background(), ch->color, val), 1));
x = dn;
y = height() - 1 - ((val - offsetInv()) * heightRatio);
//bottomPoints.setPoint(topBottomPointIndex++, x, y);
vertexArray[pointIndex++] = MyGLfloat2d(x, y);
vertexArray[pointIndex++] = MyGLfloat2d(x, height());
//lastN = x;
}
//bottomPoints.setPoint(topBottomPointIndex, bottomPoints.point(topBottomPointIndex-1).x(), height());
//if(pointIndex > 0) {
// vertexArray[pointIndex] = MyGLfloat2d(vertexArray[pointIndex-1].x, height());
// pointIndex++;
//}
myassert(pointIndex <= width()*2);
//p.setPen(Qt::NoPen);
//p.setBrush(gdata->shading1Color());
//p.drawRect(firstN, 0, lastN, height());
//p.setPen(gdata->shading2Color());
//p.setBrush(gdata->shading2Color());
//p.drawPolygon(bottomPoints, false, 0, topBottomPointIndex);
qglColor(gdata->shading2Color());
glVertexPointer(2, GL_FLOAT, 0, vertexArray.begin());
glDrawArrays(GL_QUAD_STRIP, 0, pointIndex);
}
}
