int main(int argc, char *argv[])
{
// The data for the chart
double data0[] = {100, 100, 100, 100, 100};
double data1[] = {90, 85, 85, 80, 70};
double data2[] = {80, 65, 65, 75, 45};
// The labels for the chart
const char *labels[] = {"Population<*br*><*font=arial.ttf*>6 millions",
"GDP<*br*><*font=arial.ttf*>120 billions", "Export<*br*><*font=arial.ttf*>25 billions",
"Import<*br*><*font=arial.ttf*>24 billions",
"Investments<*br*><*font=arial.ttf*>20 billions"};
// Create a PolarChart object of size 480 x 460 pixels. Set background color to silver, with 1
// pixel 3D border effect
PolarChart *c = new PolarChart(480, 460, Chart::silverColor(), 0x000000, 1);
// Add a title to the chart using 15pt Times Bold Italic font. The title text is white (ffffff)
// on a deep green (008000) background
c->addTitle("Economic Growth", "timesbi.ttf", 15, 0xffffff)->setBackground(0x008000);
// Set plot area center at (240, 270), with 150 pixels radius
c->setPlotArea(240, 270, 150);
// Use 1 pixel width semi-transparent black (c0000000) lines as grid lines
c->setGridColor(0xc0000000, 1, 0xc0000000, 1);
// Add a legend box at top-center of plot area (240, 35) using horizontal layout. Use 10pt Arial
// Bold font, with silver background and 1 pixel 3D border effect.
LegendBox *b = c->addLegend(240, 35, false, "arialbd.ttf", 10);
b->setAlignment(Chart::TopCenter);
b->setBackground(Chart::silverColor(), Chart::Transparent, 1);
// Add area layers of different colors to represent the data
c->addAreaLayer(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xcc8880,
"Year 2004");
c->addAreaLayer(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0xffd080,
"Year 1994");
c->addAreaLayer(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))), 0xa0bce0,
"Year 1984");
// Set the labels to the angular axis as spokes.
c->angularAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Set radial axis from 0 - 100 with a tick every 20 units
c->radialAxis()->setLinearScale(0, 100, 20);
// Just show the radial axis as a grid line. Hide the axis labels by setting the label color to
// Transparent
c->radialAxis()->setColors(0xc0000000, Chart::Transparent);
// Output the chart
c->makeChart("stackradar.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// the names of the tasks
const char *labels[] = {"Market Research", "Define Specifications",
"Overall Archiecture", "Project Planning", "Detail Design",
"Software Development", "Test Plan", "Testing and QA", "User Documentation"};
// the planned start dates and end dates for the tasks
double startDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 30), chartTime(
2004, 9, 13), chartTime(2004, 9, 20), chartTime(2004, 9, 27), chartTime(2004,
10, 4), chartTime(2004, 10, 25), chartTime(2004, 11, 1), chartTime(2004, 11,
8)};
double endDate[] = {chartTime(2004, 8, 30), chartTime(2004, 9, 13), chartTime(
2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 11), chartTime(
2004, 11, 8), chartTime(2004, 11, 8), chartTime(2004, 11, 22), chartTime(
2004, 11, 22)};
// the actual start dates and end dates for the tasks up to now
double actualStartDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 27),
chartTime(2004, 9, 9), chartTime(2004, 9, 18), chartTime(2004, 9, 22)};
double actualEndDate[] = {chartTime(2004, 8, 27), chartTime(2004, 9, 9),
chartTime(2004, 9, 27), chartTime(2004, 10, 2), chartTime(2004, 10, 8)};
// Create a XYChart object of size 620 x 280 pixels. Set background color to
// light green (ccffcc) with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 280, 0xccffcc, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white
// (ffffff) text on a dark green (0x6000) background
c->addTitle("Mutli-Layer Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x006000);
// Set the plotarea at (140, 55) and of size 460 x 200 pixels. Use alternative
// white/grey background. Enable both horizontal and vertical grids by setting
// their colors to grey (c0c0c0). Set vertical major grid (represents month
// boundaries) 2 pixels in width
c->setPlotArea(140, 55, 460, 200, 0xffffff, 0xeeeeee, Chart::LineColor, 0xc0c0c0,
0xc0c0c0)->setGridWidth(2, 1, 1, 1);
// swap the x and y axes to create a horziontal box-whisker chart
c->swapXY();
// Set the y-axis scale to be date scale from Aug 16, 2004 to Nov 22, 2004, with
// ticks every 7 days (1 week)
c->yAxis()->setDateScale(chartTime(2004, 8, 16), chartTime(2004, 11, 22), 86400 *
7);
// Add a red (ff0000) dash line to represent the current day
c->yAxis()->addMark(chartTime(2004, 10, 8), c->dashLineColor(0xff0000,
Chart::DashLine));
// Set multi-style axis label formatting. Month labels are in Arial Bold font in
// "mmm d" format. Weekly labels just show the day of month and use minor tick
// (by using '-' as first character of format string).
c->yAxis()->setMultiFormat(Chart::StartOfMonthFilter(),
"<*font=arialbd.ttf*>{value|mmm d}", Chart::StartOfDayFilter(), "-{value|d}")
;
// Set the y-axis to shown on the top (right + swapXY = top)
c->setYAxisOnRight();
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Reverse the x-axis scale so that it points downwards.
c->xAxis()->setReverse();
// Set the horizontal ticks and grid lines to be between the bars
c->xAxis()->setTickOffset(0.5);
// Use blue (0000aa) as the color for the planned schedule
int plannedColor = 0x0000aa;
// Use a red hash pattern as the color for the actual dates. The pattern is
// created as a 4 x 4 bitmap defined in memory as an array of colors.
int pattern1[] = {0xffffff, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff,
0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000,
0xffffff, 0xffffff, 0xffffff};
int actualColor = c->patternColor(IntArray(pattern1,
sizeof(pattern1)/sizeof(pattern1[0])), 4);
// Add a box whisker layer to represent the actual dates. We add the actual dates
// layer first, so it will be the top layer.
BoxWhiskerLayer *actualLayer = c->addBoxLayer(DoubleArray(actualStartDate,
sizeof(actualStartDate)/sizeof(actualStartDate[0])), DoubleArray(
actualEndDate, sizeof(actualEndDate)/sizeof(actualEndDate[0])), actualColor,
"Actual");
// Set the bar height to 8 pixels so they will not block the bottom bar
actualLayer->setDataWidth(8);
// Add a box-whisker layer to represent the planned schedule date
c->addBoxLayer(DoubleArray(startDate, sizeof(startDate)/sizeof(startDate[0])),
DoubleArray(endDate, sizeof(endDate)/sizeof(endDate[0])), plannedColor,
"Planned")->setBorderColor(Chart::SameAsMainColor);
// Add a legend box on the top right corner (595, 60) of the plot area with 8 pt
// Arial Bold font. Use a semi-transparent grey (80808080) background.
LegendBox *b = c->addLegend(595, 60, false, "arialbd.ttf", 8);
b->setAlignment(Chart::TopRight);
b->setBackground(0x80808080, -1, 2);
// output the chart
c->makeChart("layergantt.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {21, 18, 15, 12, 8, 24};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Facilities", "Production"};
// The colors to use for the sectors
int colors[] = {0x66aaee, 0xeebb22, 0xbbbbbb, 0x8844ff, 0xdd2222, 0x009900};
// Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from light
// blue (99ccff) to white (ffffff) spanning the top 100 pixels as background. Set border to grey
// (888888). Use rounded corners. Enable soft drop shadow.
PieChart *c = new PieChart(600, 320);
c->setBackground(c->linearGradientColor(0, 0, 0, 100, 0x99ccff, 0xffffff), 0x888888);
c->setRoundedFrame();
c->setDropShadow();
// Add a title using 18pt Times New Roman Bold Italic font. Add 16 pixels top margin to the
// title.
c->addTitle("Pie Chart With Legend Demonstration", "timesbi.ttf", 18)->setMargin(0, 0, 16, 0);
// Set the center of the pie at (160, 165) and the radius to 110 pixels
c->setPieSize(160, 165, 110);
// Draw the pie in 3D with a pie thickness of 25 pixels
c->set3D(25);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), StringArray(labels, (int)(
sizeof(labels) / sizeof(labels[0]))));
// Set the sector colors
c->setColors(Chart::DataColor, IntArray(colors, (int)(sizeof(colors) / sizeof(colors[0]))));
// Use local gradient shading for the sectors
c->setSectorStyle(Chart::LocalGradientShading);
// Use the side label layout method, with the labels positioned 16 pixels from the pie bounding
// box
c->setLabelLayout(Chart::SideLayout, 16);
// Show only the sector number as the sector label
c->setLabelFormat("{={sector}+1}");
// Set the sector label style to Arial Bold 10pt, with a dark grey (444444) border
c->setLabelStyle("arialbd.ttf", 10)->setBackground(Chart::Transparent, 0x444444);
// Add a legend box, with the center of the left side anchored at (330, 175), and using 10pt
// Arial Bold Italic font
LegendBox *b = c->addLegend(330, 175, true, "arialbi.ttf", 10);
b->setAlignment(Chart::Left);
// Set the legend box border to dark grey (444444), and with rounded conerns
b->setBackground(Chart::Transparent, 0x444444);
b->setRoundedCorners();
// Set the legend box margin to 16 pixels, and the extra line spacing between the legend entries
// as 5 pixels
b->setMargin(16);
b->setKeySpacing(0, 5);
// Set the legend box icon to have no border (border color same as fill color)
b->setKeyBorder(Chart::SameAsMainColor);
// Set the legend text to show the sector number, followed by a 120 pixels wide block showing
// the sector label, and a 40 pixels wide block showing the percentage
b->setText(
"<*block,valign=top*>{={sector}+1}.<*advanceTo=22*><*block,width=120*>{label}<*/*>"
"<*block,width=40,halign=right*>{percent}<*/*>%");
// Output the chart
c->makeChart("legendpie2.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The XY data of the first data series
double dataX0[] = {10, 35, 17, 4, 22, 29, 45, 52, 63, 39};
double dataY0[] = {2.0, 3.2, 2.7, 1.2, 2.8, 2.9, 3.1, 3.0, 2.3, 3.3};
// The XY data of the second data series
double dataX1[] = {30, 35, 17, 4, 22, 59, 43, 52, 63, 39};
double dataY1[] = {1.0, 1.3, 0.7, 0.6, 0.8, 3.0, 1.8, 2.3, 3.4, 1.5};
// The XY data of the third data series
double dataX2[] = {28, 35, 15, 10, 22, 60, 46, 64, 39};
double dataY2[] = {2.0, 2.2, 1.2, 0.4, 1.8, 2.7, 2.4, 2.8, 2.4};
// Create a XYChart object of size 540 x 480 pixels
XYChart *c = new XYChart(540, 480);
// Set the plotarea at (70, 65) and of size 400 x 350 pixels, with white background and a light
// grey border (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color
// (0xc0c0c0)
c->setPlotArea(70, 65, 400, 350, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a legend box with the top center point anchored at (270, 30). Use horizontal layout. Use
// 10pt Arial Bold Italic font. Set the background and border color to Transparent.
LegendBox *legendBox = c->addLegend(270, 30, false, "arialbi.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Add a title to the chart using 18 point Times Bold Itatic font.
c->addTitle("Parametric Curve Fitting", "timesbi.ttf", 18);
// Add titles to the axes using 12pt Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);
c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->yAxis()->setWidth(3);
c->xAxis()->setWidth(3);
// Add a scatter layer using (dataX0, dataY0)
c->addScatterLayer(DoubleArray(dataX0, (int)(sizeof(dataX0) / sizeof(dataX0[0]))), DoubleArray(
dataY0, (int)(sizeof(dataY0) / sizeof(dataY0[0]))), "Polynomial", Chart::GlassSphere2Shape,
11, 0xff0000);
// Add a degree 2 polynomial trend line layer for (dataX0, dataY0)
TrendLayer *trend0 = c->addTrendLayer(DoubleArray(dataX0, (int)(sizeof(dataX0) / sizeof(dataX0[0
]))), DoubleArray(dataY0, (int)(sizeof(dataY0) / sizeof(dataY0[0]))), 0xff0000);
trend0->setLineWidth(3);
trend0->setRegressionType(Chart::PolynomialRegression(2));
// Add a scatter layer for (dataX1, dataY1)
c->addScatterLayer(DoubleArray(dataX1, (int)(sizeof(dataX1) / sizeof(dataX1[0]))), DoubleArray(
dataY1, (int)(sizeof(dataY1) / sizeof(dataY1[0]))), "Exponential", Chart::GlassSphere2Shape,
11, 0x00aa00);
// Add an exponential trend line layer for (dataX1, dataY1)
TrendLayer *trend1 = c->addTrendLayer(DoubleArray(dataX1, (int)(sizeof(dataX1) / sizeof(dataX1[0
]))), DoubleArray(dataY1, (int)(sizeof(dataY1) / sizeof(dataY1[0]))), 0x00aa00);
trend1->setLineWidth(3);
trend1->setRegressionType(Chart::ExponentialRegression);
// Add a scatter layer using (dataX2, dataY2)
c->addScatterLayer(DoubleArray(dataX2, (int)(sizeof(dataX2) / sizeof(dataX2[0]))), DoubleArray(
dataY2, (int)(sizeof(dataY2) / sizeof(dataY2[0]))), "Logarithmic", Chart::GlassSphere2Shape,
11, 0x0000ff);
// Add a logarithmic trend line layer for (dataX2, dataY2)
TrendLayer *trend2 = c->addTrendLayer(DoubleArray(dataX2, (int)(sizeof(dataX2) / sizeof(dataX2[0
]))), DoubleArray(dataY2, (int)(sizeof(dataY2) / sizeof(dataY2[0]))), 0x0000ff);
trend2->setLineWidth(3);
trend2->setRegressionType(Chart::LogarithmicRegression);
// Output the chart
c->makeChart("paramcurve.png");
//free up resources
delete c;
return 0;
}
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[] = {Chart::chartTime(1999, 7, 1), Chart::chartTime(2000, 1, 1), Chart::chartTime(
2000, 2, 1), Chart::chartTime(2000, 4, 1), Chart::chartTime(2000, 5, 8), Chart::chartTime(
2000, 7, 5), Chart::chartTime(2001, 3, 5), Chart::chartTime(2001, 4, 7), Chart::chartTime(
2001, 5, 9), Chart::chartTime(2002, 2, 4), Chart::chartTime(2002, 4, 4), Chart::chartTime(
2002, 5, 8), Chart::chartTime(2002, 7, 7), Chart::chartTime(2002, 8, 30), Chart::chartTime(
2003, 1, 2), Chart::chartTime(2003, 2, 16), Chart::chartTime(2003, 11, 6), Chart::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 480 x 320 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, 320);
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("Multi-Symbol Line Chart Demo", "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 and vertical grid lines.
c->setPlotArea(50, title->getHeight(), c->getWidth() - 65, c->getHeight() - title->getHeight() -
90, 0xe8f0f8, -1, Chart::Transparent, c->dashLineColor(0x888888, Chart::DotLine), -1);
// Add a legend box where the bottom-center is anchored to the 12 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() - 12, false,
"arialbd.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);
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set y-axis title to use 10 points Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 10);
// 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, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(DoubleArray(
pointType, (int)(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, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(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, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(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, (int)(sizeof(dataY) / sizeof(dataY[0]))),
0x0000ff);
layer->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
layer->setLineWidth(2);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 10 pixels from
// the left edge, just below the title, 25 pixels from the right edge, and 8 pixels above the
// legend box.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 25, c->layoutLegend()->getTopY() - 8);
// Output the chart
c->makeChart("multisymbolline.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {25, 18, 15, 12, 8, 30, 35};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
// Create a PieChart object of size 600 x 320 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners of 20 pixels
// radius.
PieChart *c = new PieChart(600, 320, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame(0xffffff, 20);
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 8 pixels.
TextBox *title = c->addTitle("Donut Chart Demonstration", "timesbi.ttf", 18);
title->setMargin(0, 0, 8, 8);
// Add a 2 pixels wide separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor, 2);
// Set donut center at (160, 175), and outer/inner radii as 110/55 pixels
c->setDonutSize(160, 175, 110, 55);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Use ring shading effect for the sectors
c->setSectorStyle(Chart::RingShading);
// Use the side label layout method, with the labels positioned 16 pixels from
// the donut bounding box
c->setLabelLayout(Chart::SideLayout, 16);
// Show only the sector number as the sector label
c->setLabelFormat("{={sector}+1}");
// Set the sector label style to Arial Bold 10pt, with a dark grey (444444)
// border
c->setLabelStyle("arialbd.ttf", 10)->setBackground(Chart::Transparent, 0x444444);
// Add a legend box, with the center of the left side anchored at (330, 175), and
// using 10 pts Arial Bold Italic font
LegendBox *b = c->addLegend(330, 175, true, "arialbi.ttf", 10);
b->setAlignment(Chart::Left);
// Set the legend box border to dark grey (444444), and with rounded conerns
b->setBackground(Chart::Transparent, 0x444444);
b->setRoundedCorners();
// Set the legend box margin to 16 pixels, and the extra line spacing between the
// legend entries as 5 pixels
b->setMargin(16);
b->setKeySpacing(0, 5);
// Set the legend text to show the sector number, followed by a 120 pixels wide
// block showing the sector label, and a 40 pixels wide block showing the
// percentage
b->setText(
"<*block,valign=top*>{={sector}+1}.<*advanceTo=22*><*block,width=120*>"
"{label}<*/*><*block,width=40,halign=right*>{percent}<*/*>%");
// Output the chart
c->makeChart("donut.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the chart
double data0[] = {42, 49, Chart::NoValue, 38, 64, 56, 29, 41, 44, 57};
double data1[] = {65, 75, 47, 34, 42, 49, 73, Chart::NoValue, 90, 69, 66, 78};
double data2[] = {Chart::NoValue, Chart::NoValue, 25, 28, 38, 20, 22,
Chart::NoValue, 25, 33, 30, 24};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 600 x 360 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners.
XYChart *c = new XYChart(600, 360, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame();
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 6 pixels.
TextBox *title = c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18);
title->setMargin(0, 0, 6, 6);
// Add a separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor);
// Add a legend box where the top-center is anchored to the horizontal center of
// the chart, just under the title. Use horizontal layout and 10 points Arial
// Bold font, and transparent background and border.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, title->getHeight(), false,
"arialbd.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use
// transparent border and black (000000) grid lines
c->setPlotArea(70, 75, 460, 240, -1, -1, Chart::Transparent, 0x000000, -1);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Show the same scale on the left and right y-axes
c->syncYAxis();
// Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this
// as the guideline when putting ticks on the y-axis.
c->yAxis()->setTickDensity(30);
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Set the x-axis margins to 15 pixels, so that the horizontal grid lines can
// extend beyond the leftmost and rightmost vertical grid lines
c->xAxis()->setMargin(15, 15);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
c->yAxis2()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
// Add the first line. The missing data will be represented as gaps in the line
// (the default behaviour)
LineLayer *layer0 = c->addLineLayer();
layer0->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff0000,
"Quantum Computer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer0->setLineWidth(3);
// Add the second line. The missing data will be represented by using dash lines
// to bridge the gap
LineLayer *layer1 = c->addLineLayer();
layer1->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x00ff00,
"Atom Synthesizer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer1->setLineWidth(3);
layer1->setGapColor(c->dashLineColor(0x00ff00));
// Add the third line. The missing data will be ignored - just join the gap with
// the original line style.
LineLayer *layer2 = c->addLineLayer();
layer2->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0xff6600,
"Proton Cannon")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer2->setLineWidth(3);
layer2->setGapColor(Chart::SameAsMainColor);
// layout the legend so we can get the height of the legend box
c->layoutLegend();
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 15 pixels from the left edge, just under the legend box, 16 pixels from the
// right edge, and 25 pixels from the bottom edge.
c->packPlotArea(15, legendBox->getTopY() + legendBox->getHeight(), c->getWidth()
- 16, c->getHeight() - 25);
// Output the chart
c->makeChart("missingpoints.jpg");
//free up resources
delete c;
return 0;
}
