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This commit is contained in:
feiyangqingyun
2022-05-18 17:39:04 +08:00
parent 96938b94f9
commit a155ad45d3
32 changed files with 145 additions and 322 deletions
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10
third/qcustomplotdemo/frmexample/frmdate.cpp
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@@ -15,9 +15,9 @@ frmDate::~frmDate()
void frmDate::initForm()
{
#ifndef qcustomplot_v1_3
// set locale to english, so we get english month names:
ui->customPlot->setLocale(QLocale(QLocale::English, QLocale::UnitedKingdom));
// seconds of current time, we'll use it as starting point in time for data:
double now = QDateTime::currentDateTime().toMSecsSinceEpoch() / 1000.0;
srand(8); // set the random seed, so we always get the same random data
@@ -40,21 +40,26 @@ void frmDate::initForm()
}
ui->customPlot->graph()->data()->set(timeData);
}
// configure bottom axis to show date instead of number:
QSharedPointer<QCPAxisTickerDateTime> dateTicker(new QCPAxisTickerDateTime);
dateTicker->setDateTimeFormat("d. MMMM\nyyyy");
ui->customPlot->xAxis->setTicker(dateTicker);
// configure left axis text labels:
QSharedPointer<QCPAxisTickerText> textTicker(new QCPAxisTickerText);
textTicker->addTick(10, "a bit\nlow");
textTicker->addTick(50, "quite\nhigh");
ui->customPlot->yAxis->setTicker(textTicker);
// set a more compact font size for bottom and left axis tick labels:
ui->customPlot->xAxis->setTickLabelFont(QFont(QFont().family(), 8));
ui->customPlot->yAxis->setTickLabelFont(QFont(QFont().family(), 8));
// set axis labels:
ui->customPlot->xAxis->setLabel("Date");
ui->customPlot->yAxis->setLabel("Random wobbly lines value");
// make top and right axes visible but without ticks and labels:
ui->customPlot->xAxis2->setVisible(true);
ui->customPlot->yAxis2->setVisible(true);
@@ -62,12 +67,13 @@ void frmDate::initForm()
ui->customPlot->yAxis2->setTicks(false);
ui->customPlot->xAxis2->setTickLabels(false);
ui->customPlot->yAxis2->setTickLabels(false);
// set axis ranges to show all data:
ui->customPlot->xAxis->setRange(now, now + 24 * 3600 * 249);
ui->customPlot->yAxis->setRange(0, 60);
// show legend with slightly transparent background brush:
ui->customPlot->legend->setVisible(true);
ui->customPlot->legend->setBrush(QColor(255, 255, 255, 150));
ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
#endif
}