ChartDirector 7.1 (C++ Edition)
CDML Tooltip
Source Code Listing
void cdmltooltip(CChartViewer *viewer, int /* chartIndex */)
{
//
// Data for 4 scatter layers to demonstrate various tooltip styles
//
double dataX0[] = {1, 1, 2, 2};
const int dataX0_size = (int)(sizeof(dataX0)/sizeof(*dataX0));
double dataY0[] = {3, 4, 3, 4};
const int dataY0_size = (int)(sizeof(dataY0)/sizeof(*dataY0));
double dataX1[] = {3, 3, 4, 4};
const int dataX1_size = (int)(sizeof(dataX1)/sizeof(*dataX1));
double dataY1[] = {3, 4, 3, 4};
const int dataY1_size = (int)(sizeof(dataY1)/sizeof(*dataY1));
double dataX2[] = {1, 1, 2, 2};
const int dataX2_size = (int)(sizeof(dataX2)/sizeof(*dataX2));
double dataY2[] = {1, 2, 1, 2};
const int dataY2_size = (int)(sizeof(dataY2)/sizeof(*dataY2));
double dataX3[] = {3, 3, 4, 4};
const int dataX3_size = (int)(sizeof(dataX3)/sizeof(*dataX3));
double dataY3[] = {1, 2, 1, 2};
const int dataY3_size = (int)(sizeof(dataY3)/sizeof(*dataY3));
// Create a XYChart object of size 550 x 390 pixels
XYChart* c = new XYChart(550, 390);
// Set the plotarea at (30, 40) and size 300 x 300 pixels. Use a gradient color background,
// light grey (c0c0c0) border, and light grey horizontal and vertical grid lines.
c->setPlotArea(30, 40, 300, 300, c->linearGradientColor(0, 30, 0, 330, 0xf9fcff, 0xaaccff), -1,
0xc0c0c0, 0xc0c0c0, 0xc0c0c0);
// Add a legend box at the right side of the plot area. Use 10pt Arial Bold font and set
// background and border colors to Transparent.
c->addLegend(c->getPlotArea()->getRightX() + 20, c->getPlotArea()->getTopY(), true,
"Arial Bold Italic", 10)->setBackground(Chart::Transparent);
// Add a title to the chart using 18pt Times Bold Itatic font
c->addTitle("CDML Tooltip Demonstration", "Times New Roman Bold Italic", 18);
// Set the axes line width to 3 pixels, and ensure the auto axis labels are integers.
c->xAxis()->setWidth(3);
c->yAxis()->setWidth(3);
c->yAxis()->setMinTickInc(1);
c->yAxis()->setMinTickInc(1);
// Add a scatter chart layer with 19 pixel red (ff3333) sphere symbols. Use default CDML tooltip
// style.
ScatterLayer* layer0 = c->addScatterLayer(DoubleArray(dataX0, dataX0_size), DoubleArray(dataY0,
dataY0_size), "Default CDML Tooltip", Chart::GlassSphere2Shape, 19, 0xff3333);
layer0->setHTMLImageMap("", "", "title='<*cdml*>{dataSetName}<*br*>X = {x}, Y = {value}'");
// Add a scatter chart layer with 19 pixel green (33ff33) sphere symbols. Cconfigure the CDML
// tooltip to use a background background with text of different colors and fonts.
ScatterLayer* layer1 = c->addScatterLayer(DoubleArray(dataX1, dataX1_size), DoubleArray(dataY1,
dataY1_size), "Dark Style Tooltip", Chart::GlassSphere2Shape, 19, 0x33ff33);
layer1->setHTMLImageMap("", "",
"title='<*block,bgcolor=000000,margin=5,roundedCorners=3*><*font=Arial Bold "
"Italic,color=FFFF00*>{dataSetName}<*/font*><*br*><*font=Arial Bold,size=8,color=FFFFFF*>X "
"= {x}, Y = {value}'");
// Add a scatter chart layer with 19 pixels sky blue (66ccff) symbols. Configure the CDML
// tooltip to ue a translucent background.
ScatterLayer* layer2 = c->addScatterLayer(DoubleArray(dataX2, dataX2_size), DoubleArray(dataY2,
dataY2_size), "Translucent Tooltip", Chart::GlassSphere2Shape, 19, 0x66ccff);
layer2->setHTMLImageMap("", "",
"title='<*block,bgcolor=5fffff00,margin=5,roundedCorners=3*><*font=Arial Bold*>"
"<*font,underline=1*>{dataSetName}<*/font*><*br*>X = {x}, Y = {value}'");
// Add a scatter chart layer with 19 pixels sky blue (ffff00) symbols. Use standard tooltips
// provided by the GUI framework.
ScatterLayer* layer3 = c->addScatterLayer(DoubleArray(dataX3, dataX3_size), DoubleArray(dataY3,
dataY3_size), "Classical Tooltip", Chart::GlassSphere2Shape, 19, 0xffff00);
layer3->setHTMLImageMap("", "", "title='[{dataSetName}] X = {x}, Y = {value}'");
// Output the chart
viewer->setChart(c);
// Include tool tip for the chart
viewer->setImageMap(c->getHTMLImageMap("clickable"));
}