#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The data for the line chart
    double data0[] = {70, 73, 80, 90, 95, 93, 82, 77, 82, 101, 111, 115};
    double data1[] = {90, 96, 89, 77, 82, 96, 109, 109, 99, 108, 96, 91};
    double data2[] = {58, 34, 25, 49, 64, 10, 16, 40, 25, 49, 40, 22};

    // The labels for the line chart
    const char *labels[] = {"2008-01", "2008-02", "2008-03", "2008-04", "2008-05",
        "2008-06", "2008-07", "2008-08", "2008-09", "2008-10", "2008-11", "2008-12"};

    // Create a XYChart object of size 450 x 450 pixels
    XYChart *c = new XYChart(450, 450);

    // Add a title to the chart using 15 pts Arial Italic font.
    TextBox *title = c->addTitle("Inter-line Coloring", "ariali.ttf", 15);

    // Add a legend box where the top-center is anchored to the horizontal center of
    // the chart, just under the title. Use horizontal layout and 10 points Arial
    // Bold font, and transparent background and border. Use line style legend key.
    LegendBox *legendBox = c->addLegend(c->getWidth() / 2, title->getHeight(), false,
        "arialbi.ttf", 10);
    legendBox->setBackground(Chart::Transparent, Chart::Transparent);
    legendBox->setAlignment(Chart::TopCenter);
    legendBox->setLineStyleKey();

    // Tentatively set the plotarea at (70, 65) and of (chart_width - 100) x
    // (chart_height - 110) in size. Use light grey (c0c0c0) border and horizontal
    // and vertical grid lines.
    PlotArea *plotArea = c->setPlotArea(70, 65, c->getWidth() - 100, c->getHeight() -
        110, -1, -1, 0xc0c0c0, 0xc0c0c0, -1);

    // Add a title to the y axis using 12 pts Arial Bold Italic font
    c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);

    // Add a title to the x axis using 12 pts Arial Bold Italic font
    c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);

    // Set the axes line width to 3 pixels
    c->xAxis()->setWidth(3);
    c->yAxis()->setWidth(3);

    // Set the labels on the x axis.
    c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));

    // Use 8 points Arial rotated by 90 degrees as the x-axis label font
    c->xAxis()->setLabelStyle("Arial", 8, Chart::TextColor, 90);

    // Add a spline curve to the chart
    SplineLayer *layer0 = c->addSplineLayer(DoubleArray(data0,
        sizeof(data0)/sizeof(data0[0])), 0xff0000, "Data Set 0");
    layer0->setLineWidth(2);

    // Add a normal line to the chart
    LineLayer *layer1 = c->addLineLayer(DoubleArray(data1,
        sizeof(data1)/sizeof(data1[0])), 0x008800, "Data Set 1");
    layer1->setLineWidth(2);

    // Color the region between the above spline curve and normal line. Use the
    // semi-transparent red (80ff000000) if the spline curve is higher than the
    // normal line, otherwise use semi-transparent green (80008800)
    c->addInterLineLayer(layer0->getLine(), layer1->getLine(), 0x80ff0000, 0x80008800
        );

    // Add another normal line to the chart
    LineLayer *layer2 = c->addLineLayer(DoubleArray(data2,
        sizeof(data2)/sizeof(data2[0])), 0x0000ff, "Data Set 2");
    layer2->setLineWidth(2);

    // Add a horizontal mark line to the chart at y = 40
    Mark *mark = c->yAxis()->addMark(40, -1, "Threshold");
    mark->setLineWidth(2);

    // Set the mark line to purple (880088) dash line. Use white (ffffff) for the
    // mark label.
    mark->setMarkColor(c->dashLineColor(0x880088), 0xffffff);

    // Put the mark label at the left side of the mark, with a purple (880088)
    // background.
    mark->setAlignment(Chart::Left);
    mark->setBackground(0x880088);

    // Color the region between the above normal line and mark line. Use the
    // semi-transparent blue (800000ff) if the normal line is higher than the mark
    // line, otherwise use semi-transparent purple (80880088)
    c->addInterLineLayer(layer2->getLine(), mark->getLine(), 0x800000ff, 0x80880088);

    // Layout the legend box, so we can get its height
    c->layoutLegend();

    // Adjust the plot area size, such that the bounding box (inclusive of axes) is
    // 10 pixels from the left edge, just under the legend box, 25 pixels from the
    // right edge, and 10 pixels from the bottom edge.
    c->packPlotArea(10, legendBox->getTopY() + legendBox->getHeight(), c->getWidth()
         - 25, c->getHeight() - 10);

    // After determining the exact plot area position, we may adjust the legend box
    // and the title positions so that they are centered relative to the plot area
    // (instead of the chart)
    legendBox->setPos(plotArea->getLeftX() + (plotArea->getWidth() -
        legendBox->getWidth()) / 2, legendBox->getTopY());
    title->setPos(plotArea->getLeftX() + (plotArea->getWidth() - title->getWidth()) /
        2, title->getTopY());

    // Output the chart
    c->makeChart("linefill.png");

    //free up resources
    delete c;
    return 0;
}

