2D Donut Shading

[JSP Version] jspdemo/donutshading.jsp
<%@page import="ChartDirector.*, java.util.*" %>
<%!
// Function to create the demo charts
void createChart(WebChartViewer viewer, int chartIndex)
{
    // The data for the pie chart
    double[] data = {18, 30, 20, 15};

    // The labels for the pie chart
    String[] labels = {"Labor", "Licenses", "Facilities", "Production"};

    // The colors to use for the sectors
    int[] colors = {0x66aaee, 0xeebb22, 0xbbbbbb, 0x8844ff};

    // Create a PieChart object of size 200 x 220 pixels. Use a vertical gradient color from blue
    // (0000cc) to deep blue (000044) as background. Use rounded corners of 16 pixels radius.
    PieChart c = new PieChart(200, 220);
    c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x0000cc, 0x000044));
    c.setRoundedFrame(0xffffff, 16);

    // Set donut center at (100, 120), and outer/inner radii as 80/40 pixels
    c.setDonutSize(100, 120, 80, 40);

    // Set the pie data
    c.setData(data, labels);

    // Set the sector colors
    c.setColors2(Chart.DataColor, colors);

    // Demonstrates various shading modes
    if (chartIndex == 0) {
        c.addTitle("Default Shading", "bold", 12, 0xffffff);
    } else if (chartIndex == 1) {
        c.addTitle("Local Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.LocalGradientShading);
    } else if (chartIndex == 2) {
        c.addTitle("Global Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.GlobalGradientShading);
    } else if (chartIndex == 3) {
        c.addTitle("Concave Shading", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.ConcaveShading);
    } else if (chartIndex == 4) {
        c.addTitle("Rounded Edge", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.RoundedEdgeShading);
    } else if (chartIndex == 5) {
        c.addTitle("Radial Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.RadialShading);
    } else if (chartIndex == 6) {
        c.addTitle("Ring Shading", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.RingShading);
    }

    // Disable the sector labels by setting the color to Transparent
    c.setLabelStyle("", 8, Chart.Transparent);

    // Output the chart
    viewer.setChart(c, Chart.SVG);

    // Include tool tip for the chart
    viewer.setImageMap(c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'"));
}
%>
<%
// This example includes 7 charts
WebChartViewer[] viewers = new WebChartViewer[7];
for (int i = 0; i < viewers.length; ++i) {
    viewers[i] = new WebChartViewer(request, "chart" + i);
    createChart(viewers[i], i);
}
%>
<!DOCTYPE html>
<html>
<head>
    <title>2D Donut Shading</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        2D Donut Shading
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
    </div>
    <!-- ****** Here are the chart images ****** -->
    <%
        for (int i = 0; i < viewers.length; ++i) {
            out.write(viewers[i].renderHTML(response));
            out.write(" ");
        }
    %>
</body>
</html>