<cfscript>
// ChartDirector for ColdFusion API Access Point
cd = CreateObject("java", "ChartDirector.CFChart");
// A utility to allow us to create arrays with data in one line of code
function Array() {
var result = ArrayNew(1);
var i = 0;
for (i = 1; i LTE ArrayLen(arguments); i = i + 1)
result[i] = arguments[i];
return result;
}
// Function to create the demo charts
function createChart(chartIndex)
{
// Declare local variables
var data = 0;
var labels = 0;
var colors = 0;
var c = 0;
var ret = 0;
// The data for the pie chart
data = Array(42, 18, 8);
// The labels for the pie chart
labels = Array("Agree", "Disagree", "Not Sure");
// The colors to use for the sectors
colors = Array("0x66ff66", "0xff6666", "0xffff00");
// Create a PieChart object of size 300 x 300 pixels. Set the background to a gradient color
// from blue (aaccff) to sky blue (ffffff), with a grey (888888) border. Use rounded corners and
// soft drop shadow.
c = cd.PieChart(300, 300);
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight() / 2, "0xaaccff", "0xffffff"),
"0x888888");
c.setRoundedFrame();
c.setDropShadow();
if (chartIndex EQ 0) {
//============================================================
// Draw a pie chart where the label is on top of the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 120 pixels
c.setPieSize(150, 150, 120);
// Set the label position to -40 pixels from the perimeter of the pie (-ve means label is
// inside the pie)
c.setLabelPos(-40);
} else {
//============================================================
// Draw a pie chart where the label is outside the pie
//============================================================
// Set the center of the pie at (150, 150) and the radius to 80 pixels
c.setPieSize(150, 150, 80);
// Set the sector label position to be 20 pixels from the pie. Use a join line to connect
// the labels to the sectors.
c.setLabelPos(20, cd.LineColor);
}
// Set the pie data and the pie labels
c.setData(data, labels);
// Set the sector colors
c.setColors2(cd.DataColor, colors);
// Use local gradient shading, with a 1 pixel semi-transparent black (bb000000) border
c.setSectorStyle(cd.LocalGradientShading, "0xbb000000", 1);
// Output the chart
ret = StructNew();
ret.imageURL = c.makeSession(GetPageContext(), "chart" & chartIndex);
// Include tool tip for the chart
ret.imageMap = c.getHTMLImageMap("", "", "title='{label}: {value} responses ({percent}%)'");
return ret;
}
chart0 = createChart(0);
chart1 = createChart(1);
</cfscript>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Circular Label Layout
</div>
<hr style="border:solid 1px #000080" />
<cfoutput>
<div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em">
<a href='viewsource.cfm?file=#CGI.SCRIPT_NAME#'>View Source Code</a>
</div>
<img src="getchart.cfm?#chart0.imageURL#" usemap="##map0" border="0" />
<map name="map0">#chart0.imageMap#</map>
<img src="getchart.cfm?#chart1.imageURL#" usemap="##map1" border="0" />
<map name="map1">#chart1.imageMap#</map>
</cfoutput>
</body>
</html> |