int main(int argc, char *argv[])
{
// The tasks for the gantt chart
const char *labels[] = {"Market Research", "Define Specifications",
"Overall Archiecture", "Project Planning", "Detail Design",
"Software Development", "Test Plan", "Testing and QA", "User Documentation"};
// The task index, start date, end date and color for each bar
double taskNo[] = {0, 0, 1, 2, 3, 4, 5, 6, 6, 7, 8, 8};
double startDate[] = {chartTime(2004, 8, 16), chartTime(2004, 10, 4), chartTime(
2004, 8, 30), chartTime(2004, 9, 13), chartTime(2004, 9, 20), chartTime(2004,
9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 4), chartTime(2004, 10,
25), chartTime(2004, 11, 1), chartTime(2004, 10, 18), chartTime(2004, 11, 8)}
;
double endDate[] = {chartTime(2004, 8, 30), chartTime(2004, 10, 18), chartTime(
2004, 9, 13), chartTime(2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004,
10, 11), chartTime(2004, 11, 8), chartTime(2004, 10, 18), chartTime(2004, 11,
8), chartTime(2004, 11, 22), chartTime(2004, 11, 1), chartTime(2004, 11, 22)}
;
int colors[] = {0x00cc00, 0x00cc00, 0x00cc00, 0x0000cc, 0x0000cc, 0xcc0000,
0xcc0000, 0x0000cc, 0xcc0000, 0xcc0000, 0x00cc00, 0xcc0000};
// Create a XYChart object of size 620 x 325 pixels. Set background color to
// light red (0xffcccc), with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 325, 0xffcccc, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white
// (ffffff) text on a dark red (800000) background
c->addTitle("Mutli-Color Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x800000);
// 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);
// 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);
// Add some symbols to the chart to represent milestones. The symbols are added
// using scatter layers. We need to specify the task index, date, name, symbol
// shape, size and color.
double coor1[] = {1};
double date1[] = {chartTime(2004, 9, 13)};
c->addScatterLayer(DoubleArray(coor1, sizeof(coor1)/sizeof(coor1[0])),
DoubleArray(date1, sizeof(date1)/sizeof(date1[0])), "Milestone 1",
Chart::Cross2Shape(), 13, 0xffff00);
double coor2[] = {3};
double date2[] = {chartTime(2004, 10, 4)};
c->addScatterLayer(DoubleArray(coor2, sizeof(coor2)/sizeof(coor2[0])),
DoubleArray(date2, sizeof(date2)/sizeof(date2[0])), "Milestone 2",
Chart::StarShape(5), 15, 0xff00ff);
double coor3[] = {5};
double date3[] = {chartTime(2004, 11, 8)};
c->addScatterLayer(DoubleArray(coor3, sizeof(coor3)/sizeof(coor3[0])),
DoubleArray(date3, sizeof(date3)/sizeof(date3[0])), "Milestone 3",
Chart::TriangleSymbol, 13, 0xff9933);
// Add a multi-color box-whisker layer to represent the gantt bars
BoxWhiskerLayer *layer = c->addBoxWhiskerLayer2(DoubleArray(startDate,
sizeof(startDate)/sizeof(startDate[0])), DoubleArray(endDate,
sizeof(endDate)/sizeof(endDate[0])), DoubleArray(), DoubleArray(),
DoubleArray(), IntArray(colors, sizeof(colors)/sizeof(colors[0])));
layer->setXData(DoubleArray(taskNo, sizeof(taskNo)/sizeof(taskNo[0])));
layer->setBorderColor(Chart::SameAsMainColor);
// Divide the plot area height ( = 200 in this chart) by the number of tasks to
// get the height of each slot. Use 80% of that as the bar height.
layer->setDataWidth(200 * 4 / 5 / (sizeof(labels) / sizeof(labels[0])));
// Add a legend box at (140, 265) - bottom of the plot area. Use 8 pts Arial Bold
// as the font with auto-grid layout. Set the width to the same width as the plot
// area. Set the backgorund to grey (dddddd).
LegendBox *legendBox = c->addLegend2(140, 265, Chart::AutoGrid, "arialbd.ttf", 8)
;
legendBox->setWidth(461);
legendBox->setBackground(0xdddddd);
// The keys for the scatter layers (milestone symbols) will automatically be
// added to the legend box. We just need to add keys to show the meanings of the
// bar colors.
legendBox->addKey("Market Team", 0x00cc00);
legendBox->addKey("Planning Team", 0x0000cc);
legendBox->addKey("Development Team", 0xcc0000);
// Output the chart
c->makeChart("colorgantt.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// The data for the area chart
double data0[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56,
56, 60, 70, 76, 63, 67, 75, 64, 51};
double data1[] = {50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67,
58, 59, 73, 77, 84, 82, 80, 84, 98};
double data2[] = {87, 89, 85, 66, 53, 39, 24, 21, 37, 56, 37, 23, 21, 33, 13, 17,
14, 23, 16, 25, 29, 30, 45, 47, 46};
// The timestamps on the x-axis
double labels[] = {chartTime(1996, 1, 1), chartTime(1996, 4, 1), chartTime(1996,
7, 1), chartTime(1996, 10, 1), chartTime(1997, 1, 1), chartTime(1997, 4, 1),
chartTime(1997, 7, 1), chartTime(1997, 10, 1), chartTime(1998, 1, 1),
chartTime(1998, 4, 1), chartTime(1998, 7, 1), chartTime(1998, 10, 1),
chartTime(1999, 1, 1), chartTime(1999, 4, 1), chartTime(1999, 7, 1),
chartTime(1999, 10, 1), chartTime(2000, 1, 1), chartTime(2000, 4, 1),
chartTime(2000, 7, 1), chartTime(2000, 10, 1), chartTime(2001, 1, 1),
chartTime(2001, 4, 1), chartTime(2001, 7, 1), chartTime(2001, 10, 1),
chartTime(2002, 1, 1)};
// Create a XYChart object of size 500 x 280 pixels, using 0xffffcc as background
// color, with a black border, and 1 pixel 3D border effect
XYChart *c = new XYChart(500, 280, 0xffffcc, 0, 1);
// Set the plotarea at (50, 45) and of size 320 x 200 pixels with white
// background. Enable horizontal and vertical grid lines using the grey
// (0xc0c0c0) color.
c->setPlotArea(50, 45, 320, 200, 0xffffff)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a legend box at (370, 45) using vertical layout and 8 points Arial Bold
// font.
LegendBox *legendBox = c->addLegend(370, 45, true, "arialbd.ttf", 8);
// Set the legend box background and border to transparent
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Set the legend box icon size to 16 x 32 pixels to match with custom icon size
legendBox->setKeySize(16, 32);
// Add a title to the chart using 14 points Times Bold Itatic font and white font
// color, and 0x804020 as the background color
c->addTitle("Quarterly Product Sales", "timesbi.ttf", 14, 0xffffff
)->setBackground(0x804020);
// Set the labels on the x axis.
c->xAxis()->setLabels(DoubleArray(labels, sizeof(labels)/sizeof(labels[0])));
// Set multi-style axis label formatting. Start of year labels are displayed as
// yyyy. For other labels, just show minor tick.
c->xAxis()->setMultiFormat(Chart::StartOfYearFilter(), "{value|yyyy}",
Chart::AllPassFilter(), "-");
// Add a percentage area layer to the chart
AreaLayer *layer = c->addAreaLayer(Chart::Percentage);
// Add the three data sets to the area layer, using icons images with labels as
// data set names
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0x40ddaa77,
"<*block,valign=absmiddle*><*img=service.png*> Service<*/*>");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x40aadd77,
"<*block,valign=absmiddle*><*img=software.png*> Software<*/*>");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x40aa77dd,
"<*block,valign=absmiddle*><*img=computer.png*> Hardware<*/*>");
// For a vertical stacked chart with positive data only, the last data set is
// always on top. However, in a vertical legend box, the last data set is at the
// bottom. This can be reversed by using the setLegend method.
layer->setLegend(Chart::ReverseLegend);
// Output the chart
c->makeChart("percentarea.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[] = {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;
}
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[])
{
// data for the gantt chart, representing the start date, end date and names for
// various activities
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)};
const char *labels[] = {"Market Research", "Define Specifications",
"Overall Archiecture", "Project Planning", "Detail Design",
"Software Development", "Test Plan", "Testing and QA", "User Documentation"};
// Create a XYChart object of size 620 x 280 pixels. Set background color to
// light blue (ccccff), with 1 pixel 3D border effect.
XYChart *c = new XYChart(620, 280, 0xccccff, 0x000000, 1);
// Add a title to the chart using 15 points Times Bold Itatic font, with white
// (ffffff) text on a deep blue (000080) background
c->addTitle("Simple Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x000080);
// 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);
// 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);
// Add a green (33ff33) box-whisker layer showing the box only.
c->addBoxWhiskerLayer(DoubleArray(startDate,
sizeof(startDate)/sizeof(startDate[0])), DoubleArray(endDate,
sizeof(endDate)/sizeof(endDate[0])), DoubleArray(), DoubleArray(),
DoubleArray(), 0x00cc00, Chart::SameAsMainColor, Chart::SameAsMainColor);
// output the chart
c->makeChart("gantt.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[] = {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 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, 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);
// 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;
}
