#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {44, 55, 100};
const int data0_size = (int)(sizeof(data0)/sizeof(*data0));
double data1[] = {97, 87, 167};
const int data1_size = (int)(sizeof(data1)/sizeof(*data1));
double data2[] = {156, 78, 147};
const int data2_size = (int)(sizeof(data2)/sizeof(*data2));
double data3[] = {125, 118, 211};
const int data3_size = (int)(sizeof(data3)/sizeof(*data3));
// The labels for the bar chart. The labels contains embedded images as icons.
const char* labels[] = {"<*img=service.png*><*br*>Service",
"<*img=software.png*><*br*>Software", "<*img=computer.png*><*br*>Hardware"};
const int labels_size = (int)(sizeof(labels)/sizeof(*labels));
// Create a XYChart object of size 600 x 350 pixels, using 0xe0e0ff as the background color,
// 0xccccff as the border color, with 1 pixel 3D border effect.
XYChart* c = new XYChart(600, 350, 0xe0e0ff, 0xccccff, 1);
// Add a title to the chart using 14 points Times Bold Itatic font and light blue (0x9999ff) as
// the background color
c->addTitle("Business Results 2001 vs 2002", "timesbi.ttf", 14)->setBackground(0x9999ff);
// Set the plotarea at (60, 45) and of size 500 x 210 pixels, using white (0xffffff) as the
// background
c->setPlotArea(60, 45, 500, 210, 0xffffff);
// Swap the x and y axes to create a horizontal bar chart
c->swapXY();
// Add a title to the y axis using 11 pt Times Bold Italic as font
c->yAxis()->setTitle("Revenue (millions)", "timesbi.ttf", 11);
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, labels_size));
// Disable x-axis ticks by setting the tick length to 0
c->xAxis()->setTickLength(0);
// Add a stacked bar layer to the chart
BarLayer* layer = c->addBarLayer(Chart::Stack);
// Add the first two data sets to the chart as a stacked bar group
layer->addDataGroup("2001");
layer->addDataSet(DoubleArray(data0, data0_size), 0xaaaaff, "Local");
layer->addDataSet(DoubleArray(data1, data1_size), 0x6666ff, "International");
// Add the remaining data sets to the chart as another stacked bar group
layer->addDataGroup("2002");
layer->addDataSet(DoubleArray(data2, data2_size), 0xffaaaa, "Local");
layer->addDataSet(DoubleArray(data3, data3_size), 0xff6666, "International");
// Set the sub-bar gap to 0, so there is no gap between stacked bars with a group
layer->setBarGap(0.2, 0);
// Set the bar border to transparent
layer->setBorderColor(Chart::Transparent);
// Set the aggregate label format
layer->setAggregateLabelFormat("Year {dataGroupName}\n{value} millions");
// Set the aggregate label font to 8 point Arial Bold Italic
layer->setAggregateLabelStyle("arialbi.ttf", 8);
// Reverse 20% space at the right during auto-scaling to allow space for the aggregate bar
// labels
c->yAxis()->setAutoScale(0.2);
// Add a legend box at (310, 300) using TopCenter alignment, with 2 column grid layout, and use
// 8pt Arial Bold Italic as font
LegendBox* legendBox = c->addLegend2(310, 300, 2, "arialbi.ttf", 8);
legendBox->setAlignment(Chart::TopCenter);
// Set the format of the text displayed in the legend box
legendBox->setText("Year {dataGroupName} {dataSetName} Revenue");
// Set the background and border of the legend box to transparent
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Output the chart
c->makeChart("multistackbar.png");
//free up resources
delete c;
return 0;
} |