#include "chartdir.h"
int main(int argc, char *argv[])
{
// The tasks for the gantt chart
const char *labels[] = {"Market Research", "Define Specifications", "Overall Archiecture",
"Project Planning", "Detail Design", "Software Development", "Test Plan", "Testing and QA",
"User Documentation"};
// The task index, start date, end date and color for each bar
double taskNo[] = {0, 0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 8};
double startDate[] = {Chart::chartTime(2004, 8, 16), Chart::chartTime(2004, 10, 4),
Chart::chartTime(2004, 8, 30), Chart::chartTime(2004, 9, 13), Chart::chartTime(2004, 9, 20),
Chart::chartTime(2004, 9, 27), Chart::chartTime(2004, 10, 4), Chart::chartTime(2004, 10, 4),
Chart::chartTime(2004, 10, 25), Chart::chartTime(2004, 11, 1), Chart::chartTime(2004, 10, 18
), Chart::chartTime(2004, 11, 8)};
double endDate[] = {Chart::chartTime(2004, 8, 30), Chart::chartTime(2004, 10, 18),
Chart::chartTime(2004, 9, 13), Chart::chartTime(2004, 9, 27), Chart::chartTime(2004, 10, 4),
Chart::chartTime(2004, 10, 11), Chart::chartTime(2004, 11, 8), Chart::chartTime(2004, 10, 18
), Chart::chartTime(2004, 11, 8), Chart::chartTime(2004, 11, 22), Chart::chartTime(2004, 11,
1), Chart::chartTime(2004, 11, 22)};
int colors[] = {0x00cc00, 0x00cc00, 0x00cc00, 0x0000cc, 0x0000cc, 0xcc0000, 0xcc0000, 0x0000cc,
0xcc0000, 0xcc0000, 0x00cc00, 0xcc0000};
// Create a XYChart object of size 620 x 325 pixels. Set background color to light red
// (0xffcccc), with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 325, 0xffcccc, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white (ffffff) text on
// a dark red (800000) background
c->addTitle("Mutli-Color Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff)->setBackground(0x800000
);
// 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(Chart::chartTime(2004, 8, 16), Chart::chartTime(2004, 11, 22), 86400 *
7);
// 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, (int)(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);
// Add some symbols to the chart to represent milestones. The symbols are added using scatter
// layers. We need to specify the task index, date, name, symbol shape, size and color.
double coor1[] = {1};
double date1[] = {Chart::chartTime(2004, 9, 13)};
c->addScatterLayer(DoubleArray(coor1, (int)(sizeof(coor1) / sizeof(coor1[0]))), DoubleArray(
date1, (int)(sizeof(date1) / sizeof(date1[0]))), "Milestone 1", Chart::Cross2Shape(), 13,
0xffff00);
double coor2[] = {3};
double date2[] = {Chart::chartTime(2004, 10, 4)};
c->addScatterLayer(DoubleArray(coor2, (int)(sizeof(coor2) / sizeof(coor2[0]))), DoubleArray(
date2, (int)(sizeof(date2) / sizeof(date2[0]))), "Milestone 2", Chart::StarShape(5), 15,
0xff00ff);
double coor3[] = {5};
double date3[] = {Chart::chartTime(2004, 11, 8)};
c->addScatterLayer(DoubleArray(coor3, (int)(sizeof(coor3) / sizeof(coor3[0]))), DoubleArray(
date3, (int)(sizeof(date3) / sizeof(date3[0]))), "Milestone 3", Chart::TriangleSymbol, 13,
0xff9933);
// Add a multi-color box-whisker layer to represent the gantt bars
BoxWhiskerLayer *layer = c->addBoxWhiskerLayer2(DoubleArray(startDate, (int)(sizeof(startDate) /
sizeof(startDate[0]))), DoubleArray(endDate, (int)(sizeof(endDate) / sizeof(endDate[0]))),
DoubleArray(), DoubleArray(), DoubleArray(), IntArray(colors, (int)(sizeof(colors) / sizeof(
colors[0]))));
layer->setXData(DoubleArray(taskNo, (int)(sizeof(taskNo) / sizeof(taskNo[0]))));
layer->setBorderColor(Chart::SameAsMainColor);
// Divide the plot area height ( = 200 in this chart) by the number of tasks to get the height
// of each slot. Use 80% of that as the bar height.
layer->setDataWidth(200 * 4 / 5 / (int)(sizeof(labels) / sizeof(labels[0])));
// Add a legend box at (140, 265) - bottom of the plot area. Use 8pt Arial Bold as the font with
// auto-grid layout. Set the width to the same width as the plot area. Set the backgorund to
// grey (dddddd).
LegendBox *legendBox = c->addLegend2(140, 265, Chart::AutoGrid, "arialbd.ttf", 8);
legendBox->setWidth(461);
legendBox->setBackground(0xdddddd);
// The keys for the scatter layers (milestone symbols) will automatically be added to the legend
// box. We just need to add keys to show the meanings of the bar colors.
legendBox->addKey("Market Team", 0x00cc00);
legendBox->addKey("Planning Team", 0x0000cc);
legendBox->addKey("Development Team", 0xcc0000);
// Output the chart
c->makeChart("colorgantt.png");
//free up resources
delete c;
return 0;
} |