int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {450, 560, 630, 800, 1100, 1350, 1600, 1950, 2300, 2700};
// The labels for the bar chart
const char *labels[] = {"1996", "1997", "1998", "1999", "2000", "2001", "2002",
"2003", "2004", "2005"};
// Create a XYChart object of size 600 x 380 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners of 20 pixels
// radius.
XYChart *c = new XYChart(600, 380, Chart::brushedSilverColor(),
Chart::Transparent, 2);
// Add a title to the chart using 18pts Times Bold Italic font. Set top/bottom
// margins to 8 pixels.
c->addTitle("Annual Revenue for Star Tech", "timesbi.ttf", 18)->setMargin(0, 0,
8, 8);
// Set the plotarea at (70, 55) and of size 460 x 280 pixels. Use transparent
// border and black grid lines. Use rounded frame with radius of 20 pixels.
c->setPlotArea(70, 55, 460, 280, -1, -1, Chart::Transparent, 0x000000);
c->setRoundedFrame(0xffffff, 20);
// Add a multi-color bar chart layer using the supplied data. Set cylinder bar
// shape.
c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])), IntArray(0, 0)
)->setBarShape(Chart::CircleShape);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Show the same scale on the left and right y-axes
c->syncYAxis();
// Set the left y-axis and right y-axis title using 10pt Arial Bold font
c->yAxis()->setTitle("USD (millions)", "arialbd.ttf", 10);
c->yAxis2()->setTitle("USD (millions)", "arialbd.ttf", 10);
// Set y-axes to transparent
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Disable ticks on the x-axis by setting the tick color to transparent
c->xAxis()->setTickColor(Chart::Transparent);
// Set the label styles of all axes to 8pt Arial Bold font
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Output the chart
c->makeChart("cylinderlightbar.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 125, 156, 147, 87, 124, 178, 109, 140, 106, 192, 122};
double data1[] = {122, 156, 179, 211, 198, 177, 160, 220, 190, 188, 220, 270};
double data2[] = {167, 190, 213, 267, 250, 320, 212, 199, 245, 267, 240, 310};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sept", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 580 x 280 pixels
XYChart *c = new XYChart(580, 280);
// Add a title to the chart using 14 pts Arial Bold Italic font
c->addTitle("Product Revenue For Last 3 Years", "arialbi.ttf", 14);
// Set the plot area at (50, 50) and of size 500 x 200. Use two alternative
// background colors (f8f8f8 and ffffff)
c->setPlotArea(50, 50, 500, 200, 0xf8f8f8, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 8pts Arial as font,
// with transparent background.
c->addLegend(50, 25, false, "arial.ttf", 8)->setBackground(Chart::Transparent);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Add a multi-bar layer with 3 data sets
BarLayer *layer = c->addBarLayer(Chart::Side);
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff8080,
"Year 2003");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x80ff80,
"Year 2004");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x8080ff,
"Year 2005");
// Set 50% overlap between bars
layer->setOverlapRatio(0.5);
// Add a title to the y-axis
c->yAxis()->setTitle("Revenue (USD in millions)");
// output the chart
c->makeChart("overlapbar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {450, 560, 630, 800, 1100, 1350, 1600, 1950, 2300, 2700};
// The labels for the bar chart
const char *labels[] = {"1996", "1997", "1998", "1999", "2000", "2001", "2002",
"2003", "2004", "2005"};
// Create a XYChart object of size 600 x 360 pixels
XYChart *c = new XYChart(600, 360);
// Add a title to the chart using 18pts Times Bold Italic font
c->addTitle("Annual Revenue for Star Tech", "timesbi.ttf", 18);
// Set the plotarea at (60, 40) and of size 500 x 280 pixels. Use a vertical
// gradient color from light blue (eeeeff) to deep blue (0000cc) as background.
// Set border and grid lines to white (ffffff).
c->setPlotArea(60, 40, 500, 280, c->linearGradientColor(60, 40, 60, 280,
0xeeeeff, 0x0000cc), -1, 0xffffff, 0xffffff);
// Add a multi-color bar chart layer using the supplied data. Use soft lighting
// effect with light direction from left.
c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])), IntArray(0, 0)
)->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Left));
// Set x axis labels using the given labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Add a title to the y axis with 10pts Arial Bold font
c->yAxis()->setTitle("USD (millions)", "arialbd.ttf", 10);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
// Set axis line width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Output the chart
c->makeChart("softlightbar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar 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", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 400 x 240 pixels
XYChart *c = new XYChart(400, 240);
// Add a title to the chart using 10 pt Arial font
c->addTitle(" Average Weekday Network Load", "", 10);
// Set the plot area at (50, 25) and of size 320 x 180. Use two alternative
// background colors (0xffffc0 and 0xffffe0)
c->setPlotArea(50, 25, 320, 180, 0xffffc0, 0xffffe0);
// Add a legend box at (55, 18) using horizontal layout. Use 8 pt Arial font,
// with transparent background
c->addLegend(55, 18, false, "", 8)->setBackground(Chart::Transparent);
// Add a title to the y-axis
c->yAxis()->setTitle("Throughput (MBytes Per Hour)");
// Reserve 20 pixels at the top of the y-axis for the legend box
c->yAxis()->setTopMargin(20);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a multi-bar layer with 3 data sets and 3 pixels 3D depth
BarLayer *layer = c->addBarLayer(Chart::Side, 3);
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff8080,
"Server #1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x80ff80,
"Server #2");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x8080ff,
"Server #3");
// output the chart
c->makeChart("multibar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
QChartViewer viewer;
//
// Draw Chart and set to QChartViewer
//
// The data for the bar chart
double data[] = {85, 156, 179.5, 211, 123};
// The labels for the bar chart
const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 250 x 250 pixels
XYChart *c = new XYChart(250, 250);
// Set the plotarea at (30, 20) and of size 200 x 200 pixels
c->setPlotArea(30, 20, 200, 200);
// Add a bar chart layer using the given data
c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])));
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Output the chart
viewer.setChart(c);
// Include tool tip for the chart
viewer.setImageMap(
c->getHTMLImageMap("", "", "title='{xLabel}: US${value}K'"));
// In this sample project, we do not need to chart object any more, so we
// delete it now.
delete c;
//
// Show the viewer
//
viewer.show();
return app.exec();
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {85, 156, 179, 211, 123, 189, 166};
// The labels for the bar chart
const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"};
// Create a XYChart object of size 600 x 400 pixels
XYChart *c = new XYChart(600, 400);
// Add a title box using grey (0x555555) 24pt Arial Bold font
c->addTitle(" Bar Chart Demonstration", "arialbd.ttf", 24, 0x555555);
// Set the plotarea at (70, 60) and of size 500 x 300 pixels, with transparent background and
// border and light grey (0xcccccc) horizontal grid lines
c->setPlotArea(70, 60, 500, 300, Chart::Transparent, -1, Chart::Transparent, 0xcccccc);
// 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 blue (0x6699bb) bar chart layer with transparent border using the given data
c->addBarLayer(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), 0x6699bb
)->setBorderColor(Chart::Transparent);
// 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("simplebar2.png");
//free up resources
delete c;
return 0;
}
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 data[] = {40, 15, 7, 5, 2};
// The labels for the chart
const char *labels[] = {"Hard Disk", "PCB", "Printer", "CDROM", "Keyboard"};
// In the pareto chart, the line data are just the accumulation of the raw data,
// scaled to a range of 0 - 100%
ArrayMath lineData = ArrayMath(DoubleArray(data, sizeof(data)/sizeof(data[0])));
lineData.acc();
double scaleFactor = lineData.max() / 100;
if (scaleFactor == 0) {
// Avoid division by zero error for zero data
scaleFactor = 1;
}
lineData.div(scaleFactor);
// Create a XYChart object of size 480 x 300 pixels. Set background color to
// brushed silver, with a grey (bbbbbb) border and 2 pixel 3D raised effect. Use
// rounded corners. Enable soft drop shadow.
XYChart *c = new XYChart(400, 300, Chart::brushedSilverColor(), 0xbbbbbb, 2);
c->setRoundedFrame();
c->setDropShadow();
// Add a title to the chart using 15 points Arial Italic. Set top/bottom margins
// to 12 pixels.
TextBox *title = c->addTitle("Pareto Chart Demonstration", "ariali.ttf", 15);
title->setMargin(0, 0, 12, 12);
// Tentatively set the plotarea at (50, 40). Set the width to 100 pixels less
// than the chart width, and the height to 80 pixels less than the chart height.
// Use pale grey (f4f4f4) background, transparent border, and dark grey (444444)
// dotted grid lines.
c->setPlotArea(50, 40, c->getWidth() - 100, c->getHeight() - 80, 0xf4f4f4, -1,
Chart::Transparent, c->dashLineColor(0x444444, Chart::DotLine));
// Add a line layer for the pareto line
LineLayer *lineLayer = c->addLineLayer();
// Add the pareto line using deep blue (0000ff) as the color, with circle symbols
lineLayer->addDataSet(lineData.result(), 0x0000ff)->setDataSymbol(
Chart::CircleShape, 9, 0x0000ff, 0x0000ff);
// Set the line width to 2 pixel
lineLayer->setLineWidth(2);
// Bind the line layer to the secondary (right) y-axis.
lineLayer->setUseYAxis2();
// Add a multi-color bar layer using the given data.
BarLayer *barLayer = c->addBarLayer(DoubleArray(data,
sizeof(data)/sizeof(data[0])), IntArray(0, 0));
// Set soft lighting for the bars with light direction from the right
barLayer->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Right));
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Set the secondary (right) y-axis scale as 0 - 100 with a tick every 20 units
c->yAxis2()->setLinearScale(0, 100, 20);
// Set the format of the secondary (right) y-axis label to include a percentage
// sign
c->yAxis2()->setLabelFormat("{value}%");
// Set the relationship between the two y-axes, which only differ by a scaling
// factor
c->yAxis()->syncAxis(c->yAxis2(), scaleFactor);
// Set the format of the primary y-axis label foramt to show no decimal point
c->yAxis()->setLabelFormat("{value|0}");
// Add a title to the primary y-axis
c->yAxis()->setTitle("Frequency");
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 10 pixels from the left edge, just below the title, 10 pixels from the right
// edge, and 20 pixels from the bottom edge.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 10, c->getHeight() - 20);
// Output the chart
c->makeChart("pareto.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the bar 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", "Tue", "Wed", "Thur", "Fri"};
// Create a XYChart object of size 540 x 375 pixels
XYChart *c = new XYChart(540, 375);
// Add a title to the chart using 18pt Times Bold Italic font
c->addTitle("Average Weekly Network Load", "timesbi.ttf", 18);
// Set the plotarea at (50, 55) and of 440 x 280 pixels in size. Use a vertical gradient color
// from light red (ffdddd) to dark red (880000) as background. Set border and grid lines to
// white (ffffff).
c->setPlotArea(50, 55, 440, 280, c->linearGradientColor(0, 55, 0, 335, 0xffdddd, 0x880000), -1,
0xffffff, 0xffffff);
// Add a legend box at (50, 25) using horizontal layout. Use 10pt Arial Bold as font, with
// transparent background.
c->addLegend(50, 25, false, "arialbd.ttf", 10)->setBackground(Chart::Transparent);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Set axis label style to 8pt Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
// Set axis line width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add axis title
c->yAxis()->setTitle("Throughput (MBytes Per Hour)");
// Add a multi-bar layer with 3 data sets and 4 pixels 3D depth
BarLayer *layer = c->addBarLayer(Chart::Side, 4);
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xffff00,
"Server #1");
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0x00ff00,
"Server #2");
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), 0x9999ff,
"Server #3");
// Set bar border to transparent. Use soft lighting effect with light direction from top.
layer->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Top));
// Configure the bars within a group to touch each others (no gap)
layer->setBarGap(0.2, Chart::TouchBar);
// Output the chart
c->makeChart("softmultibar.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;
}
int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {85, 156, 179.5, 211, 123, 176, 195};
// The labels for the bar chart
const char *labels[] = {"Square", "Star(8)", "Polygon(6)", "Cross", "Cross2",
"Diamond", "Custom"};
// Create a XYChart object of size 500 x 280 pixels.
XYChart *c = new XYChart(500, 280);
// Set the plotarea at (50, 40) with alternating light grey (f8f8f8) / white
// (ffffff) background
c->setPlotArea(50, 40, 400, 200, 0xf8f8f8, 0xffffff);
// Add a title to the chart using 14 pts Arial Bold Italic font
c->addTitle(" Bar Shape Demonstration", "arialbi.ttf", 14);
// Add a multi-color bar chart layer
BarLayer *layer = c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])),
IntArray(0, 0));
// Set layer to 3D with 10 pixels 3D depth
layer->set3D(10);
// Set bar shape to circular (cylinder)
layer->setBarShape(Chart::CircleShape);
// Set the first bar (index = 0) to square shape
layer->setBarShape(Chart::SquareShape, 0, 0);
// Set the second bar to 8-pointed star
layer->setBarShape(Chart::StarShape(8), 0, 1);
// Set the third bar to 6-sided polygon
layer->setBarShape(Chart::PolygonShape(6), 0, 2);
// Set the next 3 bars to cross shape, X shape and diamond shape
layer->setBarShape(Chart::CrossShape(), 0, 3);
layer->setBarShape(Chart::Cross2Shape(), 0, 4);
layer->setBarShape(Chart::DiamondShape, 0, 5);
// Set the last bar to a custom shape, specified as an array of (x, y) points in
// normalized coordinates
int pattern1[] = {-500, 0, 0, 500, 500, 0, 500, 1000, 0, 500, -500, 1000};
layer->setBarShape(IntArray(pattern1, sizeof(pattern1)/sizeof(pattern1[0])), 0, 6
);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a title to the y axis
c->yAxis()->setTitle("Frequency");
// Add a title to the x axis
c->xAxis()->setTitle("Shapes");
// output the chart
c->makeChart("polygonbar.png");
//free up resources
delete c;
return 0;
}
