<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 value = 0;
var barColor = 0;
var m = 0;
var alignment = 0;
var meterXPos = 0;
var labelGap = 0;
var colorScalePos = 0;
var smoothColorScale = 0;
// The value to display on the meter
value = 74.25;
// Bar colors of the meters
barColor = Array("0x2299ff", "0x00ee00", "0xaa66ee", "0xff7711");
// Create a LinearMeter object of size 70 x 240 pixels with very light grey (0xeeeeee)
// backgruond and a grey (0xaaaaaa) 3-pixel thick rounded frame
m = cd.LinearMeter(70, 240, "0xeeeeee", "0xaaaaaa");
m.setRoundedFrame(cd.Transparent);
m.setThickFrame(3);
// This example demonstrates putting the text labels at the left or right side of the meter
// scale, and putting the color scale on the same side as the labels or on opposite side.
alignment = Array(cd.Left, cd.Left, cd.Right, cd.Right);
meterXPos = Array(28, 38, 12, 21);
labelGap = Array(2, 12, 10, 2);
colorScalePos = Array(53, 28, 36, 10);
// Configure the position of the meter scale and which side to put the text labels
m.setMeter(meterXPos[chartIndex + 1], 18, 20, 205, alignment[chartIndex + 1]);
// Set meter scale from 0 - 100, with a tick every 10 units
m.setScale(0, 100, 10);
// To put the color scale on the same side as the text labels, we need to increase the gap
// between the labels and the meter scale to make room for the color scale
m.setLabelPos(False, labelGap[chartIndex + 1]);
// Add a smooth color scale to the meter
smoothColorScale = Array(0, "0x0000ff", 25, "0x0088ff", 50, "0x00ff00", 75, "0xdddd00", 100,
"0xff0000");
m.addColorScale(smoothColorScale, colorScalePos[chartIndex + 1], 6);
// Add a bar from 0 to value with glass effect and 4 pixel rounded corners
m.addBar(0, value, barColor[chartIndex + 1], cd.glassEffect(cd.NormalGlare, cd.Left), 4);
// Output the chart
return m.makeSession(GetPageContext(), "chart" & chartIndex);
}
chart0URL = createChart(0);
chart1URL = createChart(1);
chart2URL = createChart(2);
chart3URL = createChart(3);
</cfscript>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
V-Bar Meter Orientation
</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?#chart0URL#" />
<img src="getchart.cfm?#chart1URL#" />
<img src="getchart.cfm?#chart2URL#" />
<img src="getchart.cfm?#chart3URL#" />
</cfoutput>
</body>
</html> |