#include "chartdir.h"
int main(int argc, char *argv[])
{
// In this example, the data points are unevenly spaced on the x-axis
double dataY[] = {4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4,
2.1, 3, 2.5, 2.5, 3.1};
double dataX[] = {chartTime(1999, 7, 1), chartTime(2000, 1, 1), chartTime(2000,
2, 1), chartTime(2000, 4, 1), chartTime(2000, 5, 8), chartTime(2000, 7, 5),
chartTime(2001, 3, 5), chartTime(2001, 4, 7), chartTime(2001, 5, 9),
chartTime(2002, 2, 4), chartTime(2002, 4, 4), chartTime(2002, 5, 8),
chartTime(2002, 7, 7), chartTime(2002, 8, 30), chartTime(2003, 1, 2),
chartTime(2003, 2, 16), chartTime(2003, 11, 6), chartTime(2004, 1, 4)};
// Data points are assigned different symbols based on point type
double pointType[] = {0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0};
// Create a XYChart object of size 600 x 300 pixels, with a light purple (ffccff)
// background, black border, 1 pixel 3D border effect and rounded corners.
XYChart *c = new XYChart(600, 300, 0xffccff, 0x000000, 1);
c->setRoundedFrame();
// Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white (ffffff)
// background. Set horizontal and vertical grid lines to grey (cccccc).
c->setPlotArea(55, 58, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a legend box at (55, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(55, 30, false, "arialbi.ttf", 10)->setBackground(Chart::Transparent)
;
// Add a title box to the chart using 15 pts Times Bold Italic font. The text is
// white (ffffff) on a purple (400040) background, with soft lighting effect from
// the right side.
c->addTitle("Multi-Symbol Line Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x400040, -1, Chart::softLighting(Chart::Right));
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set axis titles to use 9pt Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
// Set axis labels to use Arial Bold font
c->yAxis()->setLabelStyle("arialbd.ttf");
c->xAxis()->setLabelStyle("arialbd.ttf");
// We add the different data symbols using scatter layers. The scatter layers are
// added before the line layer to make sure the data symbols stay on top of the
// line layer.
// We select the points with pointType = 0 (the non-selected points will be set
// to NoValue), and use yellow (ffff00) 15 pixels high 5 pointed star shape
// symbols for the points. (This example uses both x and y coordinates. For
// charts that have no x explicitly coordinates, use an empty array as dataX.)
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(DoubleArray(
pointType, sizeof(pointType)/sizeof(pointType[0])), Chart::NoValue),
"Point Type 0", Chart::StarShape(5), 15, 0xffff00);
// Similar to above, we select the points with pointType - 1 = 0 and use green
// (ff00) 13 pixels high six-sided polygon as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(1),
Chart::NoValue), "Point Type 1", Chart::PolygonShape(6), 13, 0x00ff00);
// Similar to above, we select the points with pointType - 2 = 0 and use red
// (ff0000) 13 pixels high X shape as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(2),
Chart::NoValue), "Point Type 2", Chart::Cross2Shape(), 13, 0xff0000);
// Finally, add a blue (0000ff) line layer with line width of 2 pixels
LineLayer *layer = c->addLineLayer(DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), 0x0000ff);
layer->setXData(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])));
layer->setLineWidth(2);
// output the chart
c->makeChart("multisymbolline.png");
//free up resources
delete c;
return 0;
} |