#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The data for the chart
    double data[] = {40, 45, 37, 24, 32, 39, 53, 52, 63, 49, 46, 40, 54, 50, 57, 57,
        48, 49, 63, 67, 74, 72, 70, 89, 74};
    const char *labels[] = {"0\nJun 4", "1", "2", "3", "4", "5", "6", "7", "8", "9",
        "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22",
        "23", "0\nJun 5"};

    // Create a XYChart object of size 400 x 270 pixels
    XYChart *c = new XYChart(400, 270);

    // Set the plotarea at (80, 60) and of size 300 x 200 pixels. Turn off the grid
    // lines by setting their colors to Transparent.
    c->setPlotArea(80, 28, 300, 200)->setGridColor(Chart::Transparent);

    // Add a title to the y axis
    TextBox *textbox = c->yAxis()->setTitle("Temperature");

    // Set the y axis title upright (font angle = 0)
    textbox->setFontAngle(0);

    // Put the y axis title on top of the axis
    textbox->setAlignment(Chart::TopLeft2);

    // Add green (0x99ff99), yellow (0xffff99) and red (0xff9999) zones to the y axis
    // to represent the ranges 0 - 50, 50 - 80, and 80 - max.
    c->yAxis()->addZone(0, 50, 0x99ff99);
    c->yAxis()->addZone(50, 80, 0xffff99);
    c->yAxis()->addZone(80, 9999, 0xff9999);

    // Add a purple (0x800080) mark at y = 70 using a line width of 2.
    c->yAxis()->addMark(70, 0x800080, "Alert = 70")->setLineWidth(2);

    // Add a green (0x008000) mark at y = 40 using a line width of 2.
    c->yAxis()->addMark(40, 0x008000, "Watch = 40")->setLineWidth(2);

    // Add a legend box at (165, 0) (top right of the chart) using 8 pts Arial font.
    // and horizontal layout.
    LegendBox *legend = c->addLegend(165, 0, false, "arialbd.ttf", 8);

    // Disable the legend box boundary by setting the colors to Transparent
    legend->setBackground(Chart::Transparent, Chart::Transparent);

    // Add 3 custom entries to the legend box to represent the 3 zones
    legend->addKey("Normal", 0x80ff80);
    legend->addKey("Warning", 0xffff80);
    legend->addKey("Critical", 0xff8080);

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

    // Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining
    // labels.
    c->xAxis()->setLabelStep(3, 1);

    // Add a 3D bar layer with the given data
    BarLayer *layer = c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])),
        0xbbbbff);

    // Set the bar gap to 0 so that the bars are packed tightly
    layer->setBarGap(0);

    // Set the border color of the bars same as the fill color, with 1 pixel 3D
    // border effect.
    layer->setBorderColor(Chart::SameAsMainColor, 1);

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

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

