int main(int argc, char *argv[]) { // The data for the bar chart double data0[] = {100, 115, 165, 107, 67}; double data1[] = {85, 106, 129, 161, 123}; double data2[] = {67, 87, 86, 167, 157}; // The labels for the bar chart const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"}; // Create a XYChart object of size 600 x 360 pixels XYChart *c = new XYChart(600, 360); // Set the plotarea at (70, 20) and of size 400 x 300 pixels, with transparent background and // border and light grey (0xcccccc) horizontal grid lines c->setPlotArea(70, 20, 400, 300, Chart::Transparent, -1, Chart::Transparent, 0xcccccc); // Add a legend box at (480, 20) using vertical layout and 12pt Arial font. Set background and // border to transparent and key icon border to the same as the fill color. LegendBox *b = c->addLegend(480, 20, true, "arial.ttf", 12); b->setBackground(Chart::Transparent, Chart::Transparent); b->setKeyBorder(Chart::SameAsMainColor); // Set the x and y axis stems to transparent and the label font to 12pt Arial c->xAxis()->setColors(Chart::Transparent); c->yAxis()->setColors(Chart::Transparent); c->xAxis()->setLabelStyle("arial.ttf", 12); c->yAxis()->setLabelStyle("arial.ttf", 12); // Add a stacked bar layer BarLayer *layer = c->addBarLayer(Chart::Stack); // Add the three data sets to the bar layer layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xaaccee, "Server # 1"); layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0xbbdd88, "Server # 2"); layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), 0xeeaa66, "Server # 3"); // Set the bar border to transparent layer->setBorderColor(Chart::Transparent); // Enable labelling for the entire bar and use 12pt Arial font layer->setAggregateLabelStyle("arial.ttf", 12); // Enable labelling for the bar segments and use 12pt Arial font with center alignment layer->setDataLabelStyle("arial.ttf", 10)->setAlignment(Chart::Center); // For a vertical stacked bar with positive data, the first data set is at the bottom. For the // legend box, by default, the first entry at the top. We can reverse the legend order to make // the legend box consistent with the stacked bar. layer->setLegendOrder(Chart::ReverseLegend); // Set the labels on the x axis. c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0])))); // For the automatic y-axis labels, set the minimum spacing to 40 pixels. c->yAxis()->setTickDensity(40); // Add a title to the y axis using dark grey (0x555555) 14pt Arial Bold font c->yAxis()->setTitle("Y-Axis Title Placeholder", "arialbd.ttf", 14, 0x555555); // Output the chart c->makeChart("stackedbar.png"); //free up resources delete c; return 0; }
int main(int argc, char *argv[]) { // The data for the chart double data0[] = {100, 125, 245, 147, 67}; double data1[] = {85, 156, 179, 211, 123}; double data2[] = {97, 87, 56, 267, 157}; const char *labels[] = {"Mon Jun 4", "Tue Jun 5", "Wed Jun 6", "Thu Jun 7", "Fri Jun 8"}; // Create a XYChart object of size 540 x 350 pixels XYChart *c = new XYChart(540, 350); // Set the plot area to start at (120, 40) and of size 280 x 240 pixels c->setPlotArea(120, 40, 280, 240); // Add a title to the chart using 20pt Times Bold Italic (timesbi.ttf) font and using a deep // blue color (0x000080) c->addTitle("Weekly Server Load", "timesbi.ttf", 20, 0x000080); // Add a legend box at (420, 100) (right of plot area) using 12pt Times Bold font. Sets the // background of the legend box to light grey 0xd0d0d0 with a 1 pixel 3D border. c->addLegend(420, 100, true, "timesbd.ttf", 12)->setBackground(0xd0d0d0, 0xd0d0d0, 1); // Add a title to the y-axis using 12pt Arial Bold/deep blue (0x000080) font. Set the background // to yellow (0xffff00) with a 2 pixel 3D border. c->yAxis()->setTitle("Throughput (per hour)", "arialbd.ttf", 12, 0x000080)->setBackground( 0xffff00, 0xffff00, 2); // Use 10pt Arial Bold/orange (0xcc6600) font for the y axis labels c->yAxis()->setLabelStyle("arialbd.ttf", 10, 0xcc6600); // Set the axis label format to "nnn MBytes" c->yAxis()->setLabelFormat("{value} MBytes"); // Use 10pt Arial Bold/green (0x008000) font for the x axis labels. Set the label angle to 45 // degrees. c->xAxis()->setLabelStyle("arialbd.ttf", 10, 0x008000)->setFontAngle(45); // Set the labels on the x axis. c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0])))); // Add a 3D stack bar layer with a 3D depth of 5 pixels BarLayer *layer = c->addBarLayer(Chart::Stack, 5); // Use Arial Italic as the default data label font in the bars layer->setDataLabelStyle("ariali.ttf"); // Use 10pt Times Bold Italic (timesbi.ttf) as the aggregate label font. Set the background to // flesh (0xffcc66) color with a 1 pixel 3D border. layer->setAggregateLabelStyle("timesbi.ttf", 10)->setBackground(0xffcc66, Chart::Transparent, 1) ; // Add the first data set to the stacked bar layer layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), -1, "Server #1"); // Add the second data set to the stacked bar layer layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), -1, "Server #2"); // Add the third data set to the stacked bar layer, and set its data label font to Arial Bold // Italic. TextBox *textbox = layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0])) ), -1, "Server #3")->setDataLabelStyle("arialbi.ttf"); // Set the data label font color for the third data set to yellow (0xffff00) textbox->setFontColor(0xffff00); // Set the data label background color to the same color as the bar segment, with a 1 pixel 3D // border. textbox->setBackground(Chart::SameAsMainColor, Chart::Transparent, 1); // Output the chart c->makeChart("fontxy.png"); //free up resources delete c; return 0; }