ChartDirector 6.0 (ColdFusion Edition)
Black Horizontal Bar Meters
Source Code Listing
<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 m = 0; var smoothColorScale = 0; var stepColorScale = 0; var highLowColorScale = 0; var highColorScale = 0; var t = 0; // The value to display on the meter value = 75.35; // Create a LinearMeter object of size 260 x 80 pixels with black background and rounded corners m = cd.LinearMeter(260, 80, "0x000000"); m.setRoundedFrame(cd.Transparent); // Set the default text and line colors to white (0xffffff) m.setColor(cd.TextColor, "0xffffff"); m.setColor(cd.LineColor, "0xffffff"); // Set the scale region top-left corner at (15, 24), with size of 228 x 20 pixels. The scale // labels are located on the top (implies horizontal meter) m.setMeter(15, 24, 228, 20, cd.Top); // Set meter scale from 0 - 100, with a tick every 10 units m.setScale(0, 100, 10); // Demostrate different types of color scales smoothColorScale = Array(0, "0x0000ff", 25, "0x0088ff", 50, "0x00ff00", 75, "0xdddd00", 100, "0xff0000"); stepColorScale = Array(0, "0x00dd00", 50, "0xffff00", 80, "0xff3333", 100); highLowColorScale = Array(0, "0x0000ff", 40, cd.Transparent, 60, cd.Transparent, 100, "0xff0000" ); highColorScale = Array(70, cd.Transparent, 100, "0xff0000"); if (chartIndex EQ 0) { // Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners m.addBar(0, value, "0x0088ff", cd.glassEffect(cd.NormalGlare, cd.Top), 4); // Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale) m.addColorScale(smoothColorScale, 48, 5); } else if (chartIndex EQ 1) { // Add a purple (0xaa66ff) bar from 0 to value m.addBar(0, value, "0xaa66ff"); // Add a 4 pixel thick purple (0x880088) frame m.setThickFrame(4, "0x880088"); // Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale) m.addColorScale(highLowColorScale, 48, 5); } else if (chartIndex EQ 2) { // Add a green (0x00ee00) bar from 0 to value with right side soft lighting effect and 4 // pixel rounded corners m.addBar(0, value, "0x00ee00", cd.softLighting(cd.Right), 4); // Add a 5-pixel thick step color scale at y = 48 (below the meter scale) m.addColorScale(stepColorScale, 48, 5); } else if (chartIndex EQ 3) { // Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect m.addBar(0, value, "0xff8800", cd.cylinderEffect()); // Add a 4 pixel thick brown (0xbb5500) frame m.setThickFrame(4, "0xbb5500"); // Add a 5-pixel thick high only color scale at y = 48 (below the meter scale) m.addColorScale(highColorScale, 48, 5); } else if (chartIndex EQ 4) { // Add a magneta (0xdd00dd) bar from 0 to value with top side soft lighting effect and 4 // pixel rounded corners m.addBar(0, value, "0xdd00dd", cd.softLighting(cd.Top), 4); // Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale) m.addColorScale(smoothColorScale, 48, 5); } else { // Add a red (0xff0000) bar from 0 to value with bar lighting effect m.addBar(0, value, "0xff0000", cd.barLighting()); // Add a 4 pixel thick red (0xaa0000) frame m.setThickFrame(4, "0xaa0000"); // Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale) m.addColorScale(highLowColorScale, 48, 5); } // Add a label left aligned to (12, 65) using 8pt Arial Bold font m.addText(12, 65, "Temperature C", "Arial Bold", 8, cd.TextColor, cd.Left); // Add a text box right aligned to (243, 65). Display the value using white (0xffffff) 8pt Arial // Bold font on a black (0x000000) background with depressed dark grey (0x333333) rounded // border. t = m.addText(243, 65, m.formatValue(value, "2"), "Arial", 8, "0xffffff", cd.Right); t.setBackground("0x000000", "0x333333", -1); t.setRoundedCorners(3); // Output the chart return m.makeSession(GetPageContext(), "chart" & chartIndex); } chart0URL = createChart(0); chart1URL = createChart(1); chart2URL = createChart(2); chart3URL = createChart(3); chart4URL = createChart(4); chart5URL = createChart(5); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> Black Horizontal Bar Meters </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#" /> <img src="getchart.cfm?#chart4URL#" /> <img src="getchart.cfm?#chart5URL#" /> </cfoutput> </body> </html> |