#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the line chart
double data0[] = {60.2, 51.7, 81.3, 48.6, 56.2, 68.9, 52.8};
double data1[] = {30.0, 32.7, 33.9, 29.5, 32.2, 28.4, 29.8};
const char *labels[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
// Create a XYChart object of size 300 x 180 pixels, with a pale yellow
// (0xffffc0) background, a black border, and 1 pixel 3D border effect.
XYChart *c = new XYChart(300, 180, 0xffffc0, 0x000000, 1);
// Set the plotarea at (45, 35) and of size 240 x 120 pixels, with white
// background. Turn on both horizontal and vertical grid lines with light grey
// color (0xc0c0c0)
c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, 0xc0c0c0, -1);
// Add a legend box at (45, 12) (top of the chart) using horizontal layout and 8
// pts Arial font Set the background and border color to Transparent.
c->addLegend(45, 12, false, "", 8)->setBackground(Chart::Transparent);
// Add a title to the chart using 9 pts Arial Bold/white font. Use a 1 x 2 bitmap
// pattern as the background.
int pattern1[] = {0x004000, 0x008000};
c->addTitle("Server Load (Jun 01 - Jun 07)", "arialbd.ttf", 9, 0xffffff
)->setBackground(c->patternColor(IntArray(pattern1,
sizeof(pattern1)/sizeof(pattern1[0])), 2));
// Set the y axis label format to nn%
c->yAxis()->setLabelFormat("{value}%");
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a line layer to the chart
LineLayer *layer = c->addLineLayer();
// Add the first line. Plot the points with a 7 pixel square symbol
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xcf4040,
"Peak")->setDataSymbol(Chart::SquareSymbol, 7);
// Add the second line. Plot the points with a 9 pixel dismond symbol
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x40cf40,
"Average")->setDataSymbol(Chart::DiamondSymbol, 9);
// Enable data label on the data points. Set the label format to nn%.
layer->setDataLabelFormat("{value|0}%");
// Output the chart
c->makeChart("symbolline.png");
//free up resources
delete c;
return 0;
} |