#include "chart.h"

Chart::Chart(QCustomPlot* customPlot)
{
    this->customPlot = customPlot;
}

//绘制折线图
void Chart::plotPolyline(QVector<double> xData, QVector<double> yData)
{
    QCPGraph* graph = customPlot->addGraph();
    graph->setPen(QPen(Qt::blue,2));
    graph->setBrush(QBrush(QColor(0,0,255,20))); //折线下面积
    //graph->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle,QPen(Qt::blue,2),QColor(Qt::white),8));
    // smoothType:折线图=-1  平滑算法1=0  平滑算法2=1
    graph->setSmooth(true);

    customPlot->xAxis2->setVisible(true);
    customPlot->xAxis2->setTickLabels(false);
    customPlot->yAxis2->setVisible(true);
    customPlot->yAxis2->setTickLabels(false);

    customPlot->xAxis->setAxisFormat("m");
    customPlot->yAxis->setAxisFormat("m");
    //设置图例
    customPlot->legend->setVisible(true);
    customPlot->legend->setBrush(QColor(255,255,255,0));//设置图例背景
    customPlot->legend->setBorderPen(Qt::NoPen); //设置边框隐藏
    customPlot->graph(0)->setName(u8"高度余量");//设置名称




    graph->setData(xData,yData);
    graph->rescaleAxes(true);
}