102 lines
4.3 KiB
C++
102 lines
4.3 KiB
C++
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#include "frmbarchart.h"
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#include "ui_frmbarchart.h"
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#include "qdebug.h"
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frmBarChart::frmBarChart(QWidget *parent) : QWidget(parent), ui(new Ui::frmBarChart)
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{
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ui->setupUi(this);
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this->initForm();
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}
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frmBarChart::~frmBarChart()
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{
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delete ui;
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}
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void frmBarChart::initForm()
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{
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#ifndef qcustomplot_v1_3
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// set dark background gradient:
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QLinearGradient gradient(0, 0, 0, 400);
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gradient.setColorAt(0, QColor(90, 90, 90));
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gradient.setColorAt(0.38, QColor(105, 105, 105));
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gradient.setColorAt(1, QColor(70, 70, 70));
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ui->customPlot->setBackground(QBrush(gradient));
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// create empty bar chart objects:
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QCPBars *regen = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
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QCPBars *nuclear = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
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QCPBars *fossil = new QCPBars(ui->customPlot->xAxis, ui->customPlot->yAxis);
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regen->setAntialiased(false); // gives more crisp, pixel aligned bar borders
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nuclear->setAntialiased(false);
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fossil->setAntialiased(false);
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regen->setStackingGap(1);
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nuclear->setStackingGap(1);
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fossil->setStackingGap(1);
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// set names and colors:
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fossil->setName("Fossil fuels");
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fossil->setPen(QPen(QColor(111, 9, 176).lighter(170)));
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fossil->setBrush(QColor(111, 9, 176));
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nuclear->setName("Nuclear");
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nuclear->setPen(QPen(QColor(250, 170, 20).lighter(150)));
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nuclear->setBrush(QColor(250, 170, 20));
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regen->setName("Regenerative");
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regen->setPen(QPen(QColor(0, 168, 140).lighter(130)));
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regen->setBrush(QColor(0, 168, 140));
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// stack bars on top of each other:
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nuclear->moveAbove(fossil);
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regen->moveAbove(nuclear);
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// prepare x axis with country labels:
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QVector<double> ticks;
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QVector<QString> labels;
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ticks << 1 << 2 << 3 << 4 << 5 << 6 << 7;
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labels << "USA" << "Japan" << "Germany" << "France" << "UK" << "Italy" << "Canada";
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QSharedPointer<QCPAxisTickerText> textTicker(new QCPAxisTickerText);
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textTicker->addTicks(ticks, labels);
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ui->customPlot->xAxis->setTicker(textTicker);
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ui->customPlot->xAxis->setTickLabelRotation(60);
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ui->customPlot->xAxis->setSubTicks(false);
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ui->customPlot->xAxis->setTickLength(0, 4);
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ui->customPlot->xAxis->setRange(0, 8);
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ui->customPlot->xAxis->setBasePen(QPen(Qt::white));
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ui->customPlot->xAxis->setTickPen(QPen(Qt::white));
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ui->customPlot->xAxis->grid()->setVisible(true);
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ui->customPlot->xAxis->grid()->setPen(QPen(QColor(130, 130, 130), 0, Qt::DotLine));
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ui->customPlot->xAxis->setTickLabelColor(Qt::white);
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ui->customPlot->xAxis->setLabelColor(Qt::white);
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// prepare y axis:
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ui->customPlot->yAxis->setRange(0, 12.1);
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ui->customPlot->yAxis->setPadding(5); // a bit more space to the left border
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ui->customPlot->yAxis->setLabel("Power Consumption in\nKilowatts per Capita (2007)");
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ui->customPlot->yAxis->setBasePen(QPen(Qt::white));
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ui->customPlot->yAxis->setTickPen(QPen(Qt::white));
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ui->customPlot->yAxis->setSubTickPen(QPen(Qt::white));
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ui->customPlot->yAxis->grid()->setSubGridVisible(true);
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ui->customPlot->yAxis->setTickLabelColor(Qt::white);
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ui->customPlot->yAxis->setLabelColor(Qt::white);
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ui->customPlot->yAxis->grid()->setPen(QPen(QColor(130, 130, 130), 0, Qt::SolidLine));
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ui->customPlot->yAxis->grid()->setSubGridPen(QPen(QColor(130, 130, 130), 0, Qt::DotLine));
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// Add data:
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QVector<double> fossilData, nuclearData, regenData;
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fossilData << 0.86 * 10.5 << 0.83 * 5.5 << 0.84 * 5.5 << 0.52 * 5.8 << 0.89 * 5.2 << 0.90 * 4.2 << 0.67 * 11.2;
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nuclearData << 0.08 * 10.5 << 0.12 * 5.5 << 0.12 * 5.5 << 0.40 * 5.8 << 0.09 * 5.2 << 0.00 * 4.2 << 0.07 * 11.2;
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regenData << 0.06 * 10.5 << 0.05 * 5.5 << 0.04 * 5.5 << 0.06 * 5.8 << 0.02 * 5.2 << 0.07 * 4.2 << 0.25 * 11.2;
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fossil->setData(ticks, fossilData);
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nuclear->setData(ticks, nuclearData);
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regen->setData(ticks, regenData);
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// setup legend:
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ui->customPlot->legend->setVisible(true);
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ui->customPlot->axisRect()->insetLayout()->setInsetAlignment(0, Qt::AlignTop | Qt::AlignHCenter);
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ui->customPlot->legend->setBrush(QColor(255, 255, 255, 100));
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ui->customPlot->legend->setBorderPen(Qt::NoPen);
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QFont legendFont = font();
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legendFont.setPointSize(10);
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ui->customPlot->legend->setFont(legendFont);
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ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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#endif
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}
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