#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The data for the chart
    double data[] = {51, 15, 51, 40, 17, 87, 94, 21, 35, 88, 50, 60};

    // The labels for the chart
    const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
        "Sept", "Oct", "Nov", "Dec"};

    // Create a PolarChart object of size 400 x 420 pixels
    PolarChart *c = new PolarChart(400, 420);

    // Set background color to a 2 pixel pattern color, with a black border and 1
    // pixel 3D border effect
    int pattern1[] = {0xffffff, 0xe0e0e0};
    c->setBackground(c->patternColor(IntArray(pattern1,
        sizeof(pattern1)/sizeof(pattern1[0])), 2), 0, 1);

    // Add a title to the chart using 16 pts Arial Bold Italic font. The title text
    // is white (0xffffff) on 2 pixel pattern background
    int pattern2[] = {0x000000, 0x000080};
    c->addTitle("Chemical Concentration", "arialbi.ttf", 16, 0xffffff
        )->setBackground(c->patternColor(IntArray(pattern2,
        sizeof(pattern2)/sizeof(pattern2[0])), 2));

    // Set center of plot area at (200, 240) with radius 145 pixels. Set background
    // color to blue (9999ff)
    c->setPlotArea(200, 240, 145, 0x9999ff);

    // Color the region between radius = 40 to 80 as green (99ff99)
    c->radialAxis()->addZone(40, 80, 0x99ff99);

    // Color the region with radius > 80 as red (ff9999)
    c->radialAxis()->addZone(80, 999, 0xff9999);

    // Set the grid style to circular grid
    c->setGridStyle(false);

    // Set the radial axis label format
    c->radialAxis()->setLabelFormat("{value} ppm");

    // Use semi-transparent (40ffffff) label background so as not to block the data
    c->radialAxis()->setLabelStyle()->setBackground(0x40ffffff, 0x40000000);

    // Add a legend box at (200, 30) top center aligned, using 9 pts Arial Bold font.
    // with a black border.
    LegendBox *legendBox = c->addLegend(200, 30, false, "arialbd.ttf", 9);
    legendBox->setAlignment(Chart::TopCenter);

    // Add legend keys to represent the red/green/blue zones
    legendBox->addKey("Under-Absorp", 0x9999ff);
    legendBox->addKey("Normal", 0x99ff99);
    legendBox->addKey("Over-Absorp", 0xff9999);

    // Add a blue (000080) spline line layer with line width set to 3 pixels and
    // using yellow (ffff00) circles to represent the data points
    PolarSplineLineLayer *layer = c->addSplineLineLayer(DoubleArray(data,
        sizeof(data)/sizeof(data[0])), 0x000080);
    layer->setLineWidth(3);
    layer->setDataSymbol(Chart::CircleShape, 11, 0xffff00);

    // Set the labels to the angular axis as spokes.
    c->angularAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0]))
        );

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

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

