int main(int argc, char *argv[])
{
// The data for the area chart
double data[] = {3.0, 2.8, 4.0, 5.5, 7.5, 6.8, 5.4, 6.0, 5.0, 6.2, 7.5, 6.5, 7.5,
8.1, 6.0, 5.5, 5.3, 3.5, 5.0, 6.6, 5.6, 4.8, 5.2, 6.5, 6.2};
// The labels for the area chart
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
"24"};
// Create a XYChart object of size 300 x 180 pixels. Set the background to pale
// yellow (0xffffa0) with a black border (0x0)
XYChart *c = new XYChart(300, 180, 0xffffa0, 0x000000);
// Set the plotarea at (45, 35) and of size 240 x 120 pixels. Set the background
// to white (0xffffff). Set both horizontal and vertical grid lines to black
// (&H0&) dotted lines (pattern code 0x0103)
c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, c->dashLineColor(0x000000,
0x000103), c->dashLineColor(0x000000, 0x000103));
// Add a title to the chart using 10 pts Arial Bold font. Use a 1 x 2 bitmap
// pattern as the background. Set the border to black (0x0).
int pattern1[] = {0xb0b0f0, 0xe0e0ff};
c->addTitle("Snow Percipitation (Dec 12)", "arialbd.ttf", 10)->setBackground(
c->patternColor(IntArray(pattern1, sizeof(pattern1)/sizeof(pattern1[0])), 2),
0x000000);
// Add a title to the y axis
c->yAxis()->setTitle("mm per hour");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Display 1 out of 3 labels on the x-axis.
c->xAxis()->setLabelStep(3);
// Add an area layer to the chart
AreaLayer *layer = c->addAreaLayer();
// Load a snow pattern from an external file "snow.png".
int snowPattern = c->patternColor("snow.png");
// Add a data set to the area layer using the snow pattern as the fill color. Use
// deep blue (0x0000ff) as the area border line color (&H0000ff&)
layer->addDataSet(DoubleArray(data, sizeof(data)/sizeof(data[0])))->setDataColor(
snowPattern, 0x0000ff);
// Set the line width to 2 pixels to highlight the line
layer->setLineWidth(2);
// output the chart
c->makeChart("patternarea.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the chart
double dataY[] = {1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1};
double dataX[] = {Chart::chartTime(2008, 7, 1, 0, 0, 0), Chart::chartTime(2008, 7, 1, 2, 17, 2),
Chart::chartTime(2008, 7, 1, 8, 5, 30), Chart::chartTime(2008, 7, 1, 10, 54, 10),
Chart::chartTime(2008, 7, 1, 15, 40, 0), Chart::chartTime(2008, 7, 1, 18, 22, 20),
Chart::chartTime(2008, 7, 1, 22, 17, 14), Chart::chartTime(2008, 7, 2, 2, 55, 50),
Chart::chartTime(2008, 7, 2, 8, 17, 14), Chart::chartTime(2008, 7, 2, 11, 55, 50),
Chart::chartTime(2008, 7, 2, 13, 17, 14), Chart::chartTime(2008, 7, 2, 17, 55, 50),
Chart::chartTime(2008, 7, 2, 20, 17, 14), Chart::chartTime(2008, 7, 3, 0, 0, 0)};
// In this example, we only use position 1, 3, 5 for the data series. Positions 0, 2, 4, 6 are
// empty and serve as gaps.
const char *labels[] = {"", "ON Only Filling", "",
"<*font,color=cc2200*>ON<*/font*> / <*font,color=00aa22*>OFF<*/font*> Filling", "",
"Logic Line", ""};
// Create a XYChart object of size 600 x 180 pixels
XYChart *c = new XYChart(600, 180);
// Add a title to the chart using 10 points Arial Bold font. Set top/bottom margins to 12
// pixels.
TextBox *title = c->addTitle("Binary Data Series Demonstration", "arialbd.ttf", 10);
// Tentatively set the plotarea at (100, 30) and of size 470 x 120 pixels. Use transparent
// border. Use grey (888888) solid line and light grey (ccccc) dotted line as major and minor
// vertical grid lines.
c->setPlotArea(100, 30, 470, 120, -1, -1, Chart::Transparent)->setGridColor(Chart::Transparent,
0x888888, Chart::Transparent, c->dashLineColor(0xcccccc, Chart::DotLine));
// Set axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
// Set the y axis labels
c->yAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Set y-axis label style to 8pt Arial Bold
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
// Set x-axis major and minor tick density to 50 and 5 pixels. ChartDirector auto-scaling will
// use this as the guideline when putting ticks on the x-axis.
c->xAxis()->setTickDensity(50, 5);
// Use "<*font=Arial Bold*>{value|mmm dd}" for the first label of an hour, and "{value|hh:nn}"
// for all other labels.
c->xAxis()->setMultiFormat(Chart::StartOfDayFilter(), "<*font=arialbd.ttf*>{value|mmm dd}",
Chart::AllPassFilter(), "{value|hh:nn}");
//
// A Logic Line can be achieved using a StepLineLayer in ChartDirector
//
// Shift the data by 4.5, so instead of 0 - 1, it is now 4.5 to 5.5, or fluctuate around the y =
// 5 (Logic Line label) position.
ArrayMath shiftedLine0 = ArrayMath(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))
).add(4.5);
// Add step lines using the original and the reversed data
StepLineLayer *layer0 = c->addStepLineLayer(shiftedLine0, 0x0000ff);
layer0->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
//
// To perform ON/OFF filling, we draw the logic line, and its reverse, and fill the region in
// between
//
// Shift the data by 2.5, so instead of 0 - 1, it is now 2.5 to 3.5, or fluctuate around the y =
// 3 (ON/OFF Filing label) position.
ArrayMath shiftedLine1 = ArrayMath(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))
).add(2.5);
// Reverse the data, so the 0 becomes 1 and 1 becomes 0, and shift it as well.
ArrayMath reverseShiftedLine1 = ArrayMath(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[
0])))).mul(-1).add(3.5);
// Add step lines using the original and the reversed data
StepLineLayer *layer1 = c->addStepLineLayer(shiftedLine1, Chart::Transparent);
layer1->addDataSet(reverseShiftedLine1, Chart::Transparent);
layer1->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
// Fill the region between the two step lines with green (00aa22) or red (cc2200), depending on
// whether the original or the reserve is higher.
c->addInterLineLayer(layer1->getLine(0), layer1->getLine(1), 0x00aa22, 0xcc2200);
//
// The ON Only filling is the same as ON/OFF filling, except the OFF filling color is
// transparent
//
// Shift the data by 0.5, so instead of 0 - 1, it is now 0.5 to 1.5, or fluctuate around the y =
// 1 (ON Only Filing label) position.
ArrayMath shiftedLine2 = ArrayMath(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))
).add(0.5);
// Reverse the data, so the 0 becomes 1 and 1 becomes 0, and shift it as well.
ArrayMath reverseShiftedLine2 = ArrayMath(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[
0])))).mul(-1).add(1.5);
// Add step lines using the original and the reversed data
StepLineLayer *layer2 = c->addStepLineLayer(shiftedLine2, Chart::Transparent);
layer2->addDataSet(reverseShiftedLine2, Chart::Transparent);
layer2->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
// Fill the region between the two step lines with green (00aa22) or transparent, depending on
// whether the original or the reserve is higher.
c->addInterLineLayer(layer2->getLine(0), layer2->getLine(1), 0x00aa22, Chart::Transparent);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 10 pixels from
// the left edge, 10 pixels below the title, 30 pixels from the right edge, and 10 pixels above
// the bottom edge.
c->packPlotArea(10, title->getHeight() + 10, c->getWidth() - 30, c->getHeight() - 10);
// Output the chart
c->makeChart("binaryseries.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 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[])
{
// 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 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;
}