#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the bars and the marks
double barData[] = {100, 125, 245, 147, 67, 96, 160, 145, 97, 167, 220, 125};
double markData[] = {85, 156, 220, 120, 80, 110, 140, 130, 111, 180, 175, 100};
// The labels for the bar chart
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sept", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 480 x 360 pixels. Use a vertical gradient
// color from pale blue (e8f0f8) to sky blue (aaccff) spanning half the chart
// height as background. Set border to blue (88aaee). Use rounded corners. Enable
// soft drop shadow.
XYChart *c = new XYChart(480, 360);
c->setBackground(c->linearGradientColor(0, 0, 0, c->getHeight() / 2, 0xe8f0f8,
0xaaccff), 0x88aaee);
c->setRoundedFrame();
c->setDropShadow();
// Add a title to the chart using 15 points Arial Italic font. Set top/bottom
// margins to 12 pixels.
TextBox *title = c->addTitle("Bars with Marks Demonstration", "ariali.ttf", 15);
title->setMargin(0, 0, 12, 12);
// Tentatively set the plotarea to 50 pixels from the left edge to allow for the
// y-axis, and to just under the title. Set the width to 65 pixels less than the
// chart width, and the height to reserve 90 pixels at the bottom for the x-axis
// and the legend box. Use pale blue (e8f0f8) background, transparent border, and
// grey (888888) dotted horizontal grid lines.
c->setPlotArea(50, title->getHeight(), c->getWidth() - 65, c->getHeight() -
title->getHeight() - 90, 0xe8f0f8, -1, Chart::Transparent, c->dashLineColor(
0x888888, Chart::DotLine));
// Add a legend box where the bottom-center is anchored to the 15 pixels above
// the bottom-center of the chart. Use horizontal layout and 8 points Arial font.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, c->getHeight() - 15,
false, "arial.ttf", 8);
legendBox->setAlignment(Chart::BottomCenter);
// Set the legend box background and border to pale blue (e8f0f8) and bluish grey
// (445566)
legendBox->setBackground(0xe8f0f8, 0x445566);
// Use rounded corners of 5 pixel radius for the legend box
legendBox->setRoundedCorners(5);
// Use line style legend key
legendBox->setLineStyleKey();
// Set axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a box-whisker layer with just the middle mark visible for the marks. Use
// red (ff0000) color for the mark, with a line width of 2 pixels and 10%
// horizontal gap
BoxWhiskerLayer *markLayer = c->addBoxWhiskerLayer(DoubleArray(), DoubleArray(),
DoubleArray(), DoubleArray(), DoubleArray(markData,
sizeof(markData)/sizeof(markData[0])), -1, 0xff0000);
markLayer->setLineWidth(2);
markLayer->setDataGap(0.1);
// Add the legend key for the mark line
legendBox->addKey("Target", 0xff0000, 2);
// Add a blue (0066cc) bar layer using the given data.
BarLayer *barLayer = c->addBarLayer(DoubleArray(barData,
sizeof(barData)/sizeof(barData[0])), 0x0066cc, "Actual");
// Use soft lighting effect for the bars with light direction from left.
barLayer->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Left));
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 10 pixels from the left edge, just below the title, 15 pixels from the right
// edge, and 10 pixels above the legend box.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 15, c->layoutLegend(
)->getTopY() - 10);
// Output the chart
c->makeChart("markbar.png");
//free up resources
delete c;
return 0;
} |