SpeedPlotView: Use separate buffers for periods with reduce number of points. Fix coding style.

This commit is contained in:
Anton Lashkov 2016-01-17 21:05:54 +04:00
parent baadf34134
commit b599a8e2fb
3 changed files with 166 additions and 93 deletions

View file

@ -34,9 +34,9 @@
SpeedPlotView::SpeedPlotView(QWidget *parent)
: QGraphicsView(parent)
, m_xData(HOUR6_SEC)
, m_viewablePointsCount(MIN5_SEC)
, m_maxCapacity(HOUR6_SEC)
, m_counter30Min(-1)
, m_counter6Hour(-1)
{
QPen greenPen;
greenPen.setWidthF(1.5);
@ -68,62 +68,128 @@ SpeedPlotView::SpeedPlotView(QWidget *parent)
m_properties[TRACKER_UP] = GraphProperties(tr("Tracker Upload"), bluePen);
m_properties[TRACKER_DOWN] = GraphProperties(tr("Tracker Download"), greenPen);
m_yData[UP] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[DOWN] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[PAYLOAD_UP] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[PAYLOAD_DOWN] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[OVERHEAD_UP] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[OVERHEAD_DOWN] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[DHT_UP] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[DHT_DOWN] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[TRACKER_UP] = boost::circular_buffer<int>(HOUR6_SEC);
m_yData[TRACKER_DOWN] = boost::circular_buffer<int>(HOUR6_SEC);
initBuffers(MIN5_BUF_SIZE, m_xData5Min, m_yData5Min);
initBuffers(MIN30_BUF_SIZE, m_xData30Min, m_yData30Min);
initBuffers(HOUR6_BUF_SIZE, m_xData6Hour, m_yData6Hour);
}
void SpeedPlotView::initBuffers(int capacity, boost::circular_buffer<uint> &xBuffer,
QMap<SpeedPlotView::GraphID, boost::circular_buffer<int> > &yBuffers)
{
xBuffer = boost::circular_buffer<uint>(capacity);
yBuffers[UP] = boost::circular_buffer<int>(capacity);
yBuffers[DOWN] = boost::circular_buffer<int>(capacity);
yBuffers[PAYLOAD_UP] = boost::circular_buffer<int>(capacity);
yBuffers[PAYLOAD_DOWN] = boost::circular_buffer<int>(capacity);
yBuffers[OVERHEAD_UP] = boost::circular_buffer<int>(capacity);
yBuffers[OVERHEAD_DOWN] = boost::circular_buffer<int>(capacity);
yBuffers[DHT_UP] = boost::circular_buffer<int>(capacity);
yBuffers[DHT_DOWN] = boost::circular_buffer<int>(capacity);
yBuffers[TRACKER_UP] = boost::circular_buffer<int>(capacity);
yBuffers[TRACKER_DOWN] = boost::circular_buffer<int>(capacity);
}
void SpeedPlotView::setGraphEnable(GraphID id, bool enable)
{
m_properties[id].m_enable = enable;
this->viewport()->update();
}
void SpeedPlotView::pushXPoint(uint x)
{
m_xData.push_back(x);
++m_counter30Min;
m_counter30Min %= 3;
++m_counter6Hour;
m_counter6Hour %= 6;
m_xData5Min.push_back(x);
if (m_counter30Min == 0)
m_xData30Min.push_back(x);
if (m_counter6Hour == 0)
m_xData6Hour.push_back(x);
}
void SpeedPlotView::pushYPoint(GraphID id, int y)
{
m_yData[id].push_back(y);
m_yData5Min[id].push_back(y);
if (m_counter30Min == 0)
m_yData30Min[id].push_back(y);
else
m_yData30Min[id].back() = (m_yData30Min[id].back() * m_counter30Min + y) / (m_counter30Min + 1);
if (m_counter6Hour == 0)
m_yData6Hour[id].push_back(y);
else
m_yData6Hour[id].back() = (m_yData6Hour[id].back() * m_counter6Hour + y) / (m_counter6Hour + 1);
}
void SpeedPlotView::setViewableLastPoints(TimePeriod period)
{
m_period = period;
switch (period) {
case SpeedPlotView::MIN1:
m_viewablePointsCount = SpeedPlotView::MIN1_SEC;
m_viewablePointsCount = MIN1_SEC;
break;
case SpeedPlotView::MIN5:
m_viewablePointsCount = SpeedPlotView::MIN5_SEC;
m_viewablePointsCount = MIN5_SEC;
break;
case SpeedPlotView::MIN30:
m_viewablePointsCount = SpeedPlotView::MIN30_SEC;
m_viewablePointsCount = MIN30_BUF_SIZE;
break;
case SpeedPlotView::HOUR6:
m_viewablePointsCount = SpeedPlotView::HOUR6_SEC;
break;
default:
m_viewablePointsCount = HOUR6_BUF_SIZE;
break;
}
this->viewport()->update();
}
void SpeedPlotView::replot()
{
this->viewport()->update();
if (m_period == MIN1 || m_period == MIN5 ||
(m_period == MIN30 && m_counter30Min == 2) ||
(m_period == HOUR6 && m_counter6Hour == 5))
this->viewport()->update();
}
boost::circular_buffer<uint> &SpeedPlotView::getCurrentXData()
{
switch (m_period) {
default:
case SpeedPlotView::MIN1:
case SpeedPlotView::MIN5:
return m_xData5Min;
case SpeedPlotView::MIN30:
return m_xData30Min;
case SpeedPlotView::HOUR6:
return m_xData6Hour;
}
}
QMap<SpeedPlotView::GraphID, boost::circular_buffer<int> > &SpeedPlotView::getCurrentYData()
{
switch (m_period) {
default:
case SpeedPlotView::MIN1:
case SpeedPlotView::MIN5:
return m_yData5Min;
case SpeedPlotView::MIN30:
return m_yData30Min;
case SpeedPlotView::HOUR6:
return m_yData6Hour;
}
}
int SpeedPlotView::maxYValue()
{
QMap<GraphID, boost::circular_buffer<int> > &yData = getCurrentYData();
int maxYValue = 0;
for (QMap<GraphID, boost::circular_buffer<int> >::const_iterator it = m_yData.begin(); it != m_yData.end(); ++it) {
for (QMap<GraphID, boost::circular_buffer<int> >::const_iterator it = yData.begin(); it != yData.end(); ++it) {
if (!m_properties[it.key()].m_enable)
continue;
@ -143,56 +209,56 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
{
QPainter painter(this->viewport());
QRect full_rect = this->viewport()->rect();
QRect fullRect = this->viewport()->rect();
QRect rect = this->viewport()->rect();
QFontMetrics font_metrics = painter.fontMetrics();
QFontMetrics fontMetrics = painter.fontMetrics();
rect.adjust(4, 4, 0, -4); // Add padding
int max_y = maxYValue();
int maxY = maxYValue();
rect.adjust(0, font_metrics.height(), 0, 0); // Add top padding for top speed text
rect.adjust(0, fontMetrics.height(), 0, 0); // Add top padding for top speed text
// draw Y axis speed labels
QVector<QString> speed_labels(QVector<QString>() <<
Utils::Misc::friendlyUnit(max_y, true) <<
Utils::Misc::friendlyUnit(0.75 * max_y, true) <<
Utils::Misc::friendlyUnit(0.5 * max_y, true) <<
Utils::Misc::friendlyUnit(0.25 * max_y, true) <<
Utils::Misc::friendlyUnit(0, true));
QVector<QString> speedLabels(QVector<QString>() <<
Utils::Misc::friendlyUnit(maxY, true) <<
Utils::Misc::friendlyUnit(0.75 * maxY, true) <<
Utils::Misc::friendlyUnit(0.5 * maxY, true) <<
Utils::Misc::friendlyUnit(0.25 * maxY, true) <<
Utils::Misc::friendlyUnit(0, true));
int y_axe_width = 0;
for (int i = 0; i < speed_labels.size(); ++i) {
if (font_metrics.width(speed_labels[i]) > y_axe_width)
y_axe_width = font_metrics.width(speed_labels[i]);
int yAxeWidth = 0;
for (int i = 0; i < speedLabels.size(); ++i) {
if (fontMetrics.width(speedLabels[i]) > yAxeWidth)
yAxeWidth = fontMetrics.width(speedLabels[i]);
}
for (int i = 0; i < speed_labels.size(); ++i) {
QRectF label_rect(rect.topLeft() + QPointF(-y_axe_width, i * 0.25 * rect.height() - font_metrics.height()),
QSizeF(2 * y_axe_width, font_metrics.height()));
painter.drawText(label_rect, speed_labels[i], QTextOption((Qt::AlignRight) | (Qt::AlignTop)));
for (int i = 0; i < speedLabels.size(); ++i) {
QRectF label_rect(rect.topLeft() + QPointF(-yAxeWidth, i * 0.25 * rect.height() - fontMetrics.height()),
QSizeF(2 * yAxeWidth, fontMetrics.height()));
painter.drawText(label_rect, speedLabels[i], QTextOption((Qt::AlignRight) | (Qt::AlignTop)));
}
// draw grid lines
rect.adjust(y_axe_width + 4, 0, 0, 0);
rect.adjust(yAxeWidth + 4, 0, 0, 0);
QPen grid_pen;
grid_pen.setStyle(Qt::DashLine);
grid_pen.setWidthF(1);
grid_pen.setColor(QColor(128, 128, 128, 128));
painter.setPen(grid_pen);
QPen gridPen;
gridPen.setStyle(Qt::DashLine);
gridPen.setWidthF(1);
gridPen.setColor(QColor(128, 128, 128, 128));
painter.setPen(gridPen);
painter.drawLine(full_rect.left(), rect.top(), rect.right(), rect.top());
painter.drawLine(full_rect.left(), rect.top() + 0.25 * rect.height(), rect.right(), rect.top() + 0.25 * rect.height());
painter.drawLine(full_rect.left(), rect.top() + 0.50 * rect.height(), rect.right(), rect.top() + 0.50 * rect.height());
painter.drawLine(full_rect.left(), rect.top() + 0.75 * rect.height(), rect.right(), rect.top() + 0.75 * rect.height());
painter.drawLine(full_rect.left(), rect.bottom(), rect.right(), rect.bottom());
painter.drawLine(fullRect.left(), rect.top(), rect.right(), rect.top());
painter.drawLine(fullRect.left(), rect.top() + 0.25 * rect.height(), rect.right(), rect.top() + 0.25 * rect.height());
painter.drawLine(fullRect.left(), rect.top() + 0.50 * rect.height(), rect.right(), rect.top() + 0.50 * rect.height());
painter.drawLine(fullRect.left(), rect.top() + 0.75 * rect.height(), rect.right(), rect.top() + 0.75 * rect.height());
painter.drawLine(fullRect.left(), rect.bottom(), rect.right(), rect.bottom());
painter.drawLine(rect.left(), full_rect.top(), rect.left(), full_rect.bottom());
painter.drawLine(rect.left() + 0.2 * rect.width(), full_rect.top(), rect.left() + 0.2 * rect.width(), full_rect.bottom());
painter.drawLine(rect.left() + 0.4 * rect.width(), full_rect.top(), rect.left() + 0.4 * rect.width(), full_rect.bottom());
painter.drawLine(rect.left() + 0.6 * rect.width(), full_rect.top(), rect.left() + 0.6 * rect.width(), full_rect.bottom());
painter.drawLine(rect.left() + 0.8 * rect.width(), full_rect.top(), rect.left() + 0.8 * rect.width(), full_rect.bottom());
painter.drawLine(rect.left(), fullRect.top(), rect.left(), fullRect.bottom());
painter.drawLine(rect.left() + 0.2 * rect.width(), fullRect.top(), rect.left() + 0.2 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.4 * rect.width(), fullRect.top(), rect.left() + 0.4 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.6 * rect.width(), fullRect.top(), rect.left() + 0.6 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.8 * rect.width(), fullRect.top(), rect.left() + 0.8 * rect.width(), fullRect.bottom());
// Set antialiasing for graphs
painter.setRenderHints(QPainter::Antialiasing | QPainter::HighQualityAntialiasing);
@ -200,10 +266,12 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
// draw graphs
rect.adjust(3, 0, 0, 0); // Need, else graphs cross left gridline
double y_multiplier = (max_y == 0) ? 0.0 : double(rect.height()) / max_y;
double x_tick_size = double(rect.width()) / m_viewablePointsCount;
double yMultiplier = (maxY == 0) ? 0.0 : double(rect.height()) / maxY;
double xTickSize = double(rect.width()) / m_viewablePointsCount;
for (QMap<GraphID, boost::circular_buffer<int> >::const_iterator it = m_yData.begin(); it != m_yData.end(); ++it) {
QMap<GraphID, boost::circular_buffer<int> > &yData = getCurrentYData();
for (QMap<GraphID, boost::circular_buffer<int> >::const_iterator it = yData.begin(); it != yData.end(); ++it) {
if (!m_properties[it.key()].m_enable)
continue;
@ -213,20 +281,8 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
for (int i = queue.size() - 1, j = 0; i >= 0 && j <= m_viewablePointsCount; --i, ++j) {
int new_x = rect.right() - j * x_tick_size;
int new_y = rect.bottom() - queue[i] * y_multiplier;
if (points.size() > 1) {
QPoint &last_point = points[points.size()-1];
QPoint &prelast_point = points[points.size()-2];
if (last_point.x() == new_x && prelast_point.x() == new_x)
{
last_point.setY(qMax(last_point.y(), new_y));
prelast_point.setY(qMin(prelast_point.y(), new_y));
continue;
}
}
int new_x = rect.right() - j * xTickSize;
int new_y = rect.bottom() - queue[i] * yMultiplier;
points.push_back(QPoint(new_x, new_y));
}
@ -236,24 +292,24 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
}
// draw legend
QPoint legend_top_left(rect.left() + 4, full_rect.top() + 4);
QPoint legendTopLeft(rect.left() + 4, fullRect.top() + 4);
double legend_height = 0;
int legend_width = 0;
double legendHeight = 0;
int legendWidth = 0;
for (QMap<GraphID, GraphProperties>::const_iterator it = m_properties.begin(); it != m_properties.end(); ++it) {
if (!it.value().m_enable)
continue;
if (font_metrics.width(it.value().m_name) > legend_width)
legend_width = font_metrics.width(it.value().m_name);
legend_height += 1.5 * font_metrics.height();
if (fontMetrics.width(it.value().m_name) > legendWidth)
legendWidth = fontMetrics.width(it.value().m_name);
legendHeight += 1.5 * fontMetrics.height();
}
QRectF legend_background_rect(QPoint(legend_top_left.x()-4, legend_top_left.y()-4), QSizeF(legend_width+8, legend_height+8));
QRectF legendBackgroundRect(QPoint(legendTopLeft.x() - 4, legendTopLeft.y() - 4), QSizeF(legendWidth + 8, legendHeight + 8));
QColor legendBackgroundColor = QWidget::palette().color(QWidget::backgroundRole());
legendBackgroundColor.setAlpha(128); // 50% transparent
painter.fillRect(legend_background_rect, legendBackgroundColor);
painter.fillRect(legendBackgroundRect, legendBackgroundColor);
int i = 0;
for (QMap<GraphID, GraphProperties>::const_iterator it = m_properties.begin(); it != m_properties.end(); ++it) {
@ -261,13 +317,13 @@ void SpeedPlotView::paintEvent(QPaintEvent *)
if (!it.value().m_enable)
continue;
int name_size = font_metrics.width(it.value().m_name);
double indent = 1.5 * i * font_metrics.height();
int nameSize = fontMetrics.width(it.value().m_name);
double indent = 1.5 * i * fontMetrics.height();
painter.setPen(it.value().m_pen);
painter.drawLine(legend_top_left + QPointF(0, indent + font_metrics.height()),
legend_top_left + QPointF(name_size, indent + font_metrics.height()));
painter.drawText(QRectF(legend_top_left + QPointF(0, indent), QSizeF(2 * name_size, font_metrics.height())),
painter.drawLine(legendTopLeft + QPointF(0, indent + fontMetrics.height()),
legendTopLeft + QPointF(nameSize, indent + fontMetrics.height()));
painter.drawText(QRectF(legendTopLeft + QPointF(0, indent), QSizeF(2 * nameSize, fontMetrics.height())),
it.value().m_name, QTextOption(Qt::AlignVCenter));
++i;
}

View file

@ -87,6 +87,13 @@ private:
HOUR6_SEC = 6 * 60 * 60
};
enum PointsToSave
{
MIN5_BUF_SIZE = 5 * 60,
MIN30_BUF_SIZE = 10 * 60,
HOUR6_BUF_SIZE = 20 * 60
};
struct GraphProperties
{
GraphProperties();
@ -97,14 +104,27 @@ private:
bool m_enable;
};
boost::circular_buffer<uint> m_xData;
QMap<GraphID, boost::circular_buffer<int> > m_yData;
boost::circular_buffer<uint> m_xData5Min;
boost::circular_buffer<uint> m_xData30Min;
boost::circular_buffer<uint> m_xData6Hour;
QMap<GraphID, boost::circular_buffer<int> > m_yData5Min;
QMap<GraphID, boost::circular_buffer<int> > m_yData30Min;
QMap<GraphID, boost::circular_buffer<int> > m_yData6Hour;
QMap<GraphID, GraphProperties> m_properties;
PeriodInSeconds m_viewablePointsCount;
PeriodInSeconds m_maxCapacity;
TimePeriod m_period;
int m_viewablePointsCount;
int m_counter30Min;
int m_counter6Hour;
int maxYValue();
void initBuffers(int capacity, boost::circular_buffer<uint> &xBuffer,
QMap<SpeedPlotView::GraphID, boost::circular_buffer<int> > &yBuffers);
boost::circular_buffer<uint> &getCurrentXData();
QMap<SpeedPlotView::GraphID, boost::circular_buffer<int> > &getCurrentYData();
};
#endif // SPEEDPLOTVIEW_H

View file

@ -163,15 +163,12 @@ void SpeedWidget::graphUpdate()
void SpeedWidget::onPeriodChange(int period)
{
m_plot->setViewableLastPoints(static_cast<SpeedPlotView::TimePeriod>(period));
graphUpdate();
}
void SpeedWidget::onGraphChange(int id)
{
QAction *action = m_graphsMenuActions.at(id);
m_plot->setGraphEnable(static_cast<SpeedPlotView::GraphID>(id), action->isChecked());
graphUpdate();
}
void SpeedWidget::loadSettings()