#include "chartdir.h"

int main(int argc, char *argv[])
{
    // the names of the tasks
    const char *labels[] = {"Market Research", "Define Specifications",
        "Overall Archiecture", "Project Planning", "Detail Design",
        "Software Development", "Test Plan", "Testing and QA", "User Documentation"};

    // the planned start dates and end dates for the tasks
    double startDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 30), chartTime(
        2004, 9, 13), chartTime(2004, 9, 20), chartTime(2004, 9, 27), chartTime(2004,
        10, 4), chartTime(2004, 10, 25), chartTime(2004, 11, 1), chartTime(2004, 11,
        8)};
    double endDate[] = {chartTime(2004, 8, 30), chartTime(2004, 9, 13), chartTime(
        2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 11), chartTime(
        2004, 11, 8), chartTime(2004, 11, 8), chartTime(2004, 11, 22), chartTime(
        2004, 11, 22)};

    // the actual start dates and end dates for the tasks up to now
    double actualStartDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 27),
        chartTime(2004, 9, 9), chartTime(2004, 9, 18), chartTime(2004, 9, 22)};
    double actualEndDate[] = {chartTime(2004, 8, 27), chartTime(2004, 9, 9),
        chartTime(2004, 9, 27), chartTime(2004, 10, 2), chartTime(2004, 10, 8)};

    // Create a XYChart object of size 620 x 280 pixels. Set background color to
    // light green (ccffcc) with 1 pixel 3D border effect.
    XYChart *c = new XYChart(620, 280, 0xccffcc, 0x000000, 1);

    // Add a title to the chart using 15 points Times Bold Itatic font, with white
    // (ffffff) text on a dark green (0x6000) background
    c->addTitle("Mutli-Layer Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
        )->setBackground(0x006000);

    // Set the plotarea at (140, 55) and of size 460 x 200 pixels. Use alternative
    // white/grey background. Enable both horizontal and vertical grids by setting
    // their colors to grey (c0c0c0). Set vertical major grid (represents month
    // boundaries) 2 pixels in width
    c->setPlotArea(140, 55, 460, 200, 0xffffff, 0xeeeeee, Chart::LineColor, 0xc0c0c0,
        0xc0c0c0)->setGridWidth(2, 1, 1, 1);

    // swap the x and y axes to create a horziontal box-whisker chart
    c->swapXY();

    // Set the y-axis scale to be date scale from Aug 16, 2004 to Nov 22, 2004, with
    // ticks every 7 days (1 week)
    c->yAxis()->setDateScale(chartTime(2004, 8, 16), chartTime(2004, 11, 22), 86400 *
        7);

    // Add a red (ff0000) dash line to represent the current day
    c->yAxis()->addMark(chartTime(2004, 10, 8), c->dashLineColor(0xff0000,
        Chart::DashLine));

    // Set multi-style axis label formatting. Month labels are in Arial Bold font in
    // "mmm d" format. Weekly labels just show the day of month and use minor tick
    // (by using '-' as first character of format string).
    c->yAxis()->setMultiFormat(Chart::StartOfMonthFilter(),
        "<*font=arialbd.ttf*>{value|mmm d}", Chart::StartOfDayFilter(), "-{value|d}")
        ;

    // Set the y-axis to shown on the top (right + swapXY = top)
    c->setYAxisOnRight();

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

    // Reverse the x-axis scale so that it points downwards.
    c->xAxis()->setReverse();

    // Set the horizontal ticks and grid lines to be between the bars
    c->xAxis()->setTickOffset(0.5);

    // Use blue (0000aa) as the color for the planned schedule
    int plannedColor = 0x0000aa;

    // Use a red hash pattern as the color for the actual dates. The pattern is
    // created as a 4 x 4 bitmap defined in memory as an array of colors.
    int pattern1[] = {0xffffff, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff,
        0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000,
        0xffffff, 0xffffff, 0xffffff};
    int actualColor = c->patternColor(IntArray(pattern1,
        sizeof(pattern1)/sizeof(pattern1[0])), 4);

    // Add a box whisker layer to represent the actual dates. We add the actual dates
    // layer first, so it will be the top layer.
    BoxWhiskerLayer *actualLayer = c->addBoxLayer(DoubleArray(actualStartDate,
        sizeof(actualStartDate)/sizeof(actualStartDate[0])), DoubleArray(
        actualEndDate, sizeof(actualEndDate)/sizeof(actualEndDate[0])), actualColor,
        "Actual");

    // Set the bar height to 8 pixels so they will not block the bottom bar
    actualLayer->setDataWidth(8);

    // Add a box-whisker layer to represent the planned schedule date
    c->addBoxLayer(DoubleArray(startDate, sizeof(startDate)/sizeof(startDate[0])),
        DoubleArray(endDate, sizeof(endDate)/sizeof(endDate[0])), plannedColor,
        "Planned")->setBorderColor(Chart::SameAsMainColor);

    // Add a legend box on the top right corner (595, 60) of the plot area with 8 pt
    // Arial Bold font. Use a semi-transparent grey (80808080) background.
    LegendBox *b = c->addLegend(595, 60, false, "arialbd.ttf", 8);
    b->setAlignment(Chart::TopRight);
    b->setBackground(0x80808080, -1, 2);

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

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

