2D Donut Shading

[Windows Forms - C# version] NetWinCharts\CSharpWinCharts\donutshading.cs

using System;
using ChartDirector;

namespace CSharpChartExplorer
{
    public class donutshading : DemoModule
    {
        //Name of demo module
        public string getName() { return "2D Donut Shading"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 7; }

        //Main code for creating charts
        public void createChart(WinChartViewer 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.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='{label}: US${value}K ({percent}%)'");
        }
    }
}

[Windows Forms - VB Version] NetWinCharts\VBNetWinCharts\donutshading.vb

Imports System
Imports Microsoft.VisualBasic
Imports ChartDirector

Public Class donutshading
    Implements DemoModule

    'Name of demo module
    Public Function getName() As String Implements DemoModule.getName
        Return "2D Donut Shading"
    End Function

    'Number of charts produced in this demo module
    Public Function getNoOfCharts() As Integer Implements DemoModule.getNoOfCharts
        Return 7
    End Function

    'Main code for creating charts
    Public Sub createChart(viewer As WinChartViewer, chartIndex As Integer) _
        Implements DemoModule.createChart

        ' The data for the pie chart
        Dim data() As Double = {18, 30, 20, 15}

        ' The labels for the pie chart
        Dim labels() As String = {"Labor", "Licenses", "Facilities", "Production"}

        ' The colors to use for the sectors
        Dim colors() As Integer = {&H66aaee, &Heebb22, &Hbbbbbb, &H8844ff}

        ' 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.
        Dim c As PieChart = New PieChart(200, 220)
        c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), &H0000cc, &H000044))
        c.setRoundedFrame(&Hffffff, 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 Then
            c.addTitle("Default Shading", "bold", 12, &Hffffff)
        ElseIf chartIndex = 1 Then
            c.addTitle("Local Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.LocalGradientShading)
        ElseIf chartIndex = 2 Then
            c.addTitle("Global Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.GlobalGradientShading)
        ElseIf chartIndex = 3 Then
            c.addTitle("Concave Shading", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.ConcaveShading)
        ElseIf chartIndex = 4 Then
            c.addTitle("Rounded Edge", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.RoundedEdgeShading)
        ElseIf chartIndex = 5 Then
            c.addTitle("Radial Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.RadialShading)
        ElseIf chartIndex = 6 Then
            c.addTitle("Ring Shading", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.RingShading)
        End If

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

        ' Output the chart
        viewer.Chart = c

        'include tool tip for the chart
        viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
            "title='{label}: US${value}K ({percent}%)'")

    End Sub

End Class

[WPF - C#] NetWPFCharts\CSharpWPFCharts\donutshading.cs

using System;
using ChartDirector;

namespace CSharpWPFCharts
{
    public class donutshading : DemoModule
    {
        //Name of demo module
        public string getName() { return "2D Donut Shading"; }

        //Number of charts produced in this demo module
        public int getNoOfCharts() { return 7; }

        //Main code for creating charts
        public void createChart(WPFChartViewer 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.Chart = c;

            //include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("clickable", "",
                "title='{label}: US${value}K ({percent}%)'");
        }
    }
}

[ASP.NET Web Forms - C# version] NetWebCharts\CSharpASP\donutshading.aspx
(Click here on how to convert this code to code-behind style.)

<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<script runat="server">

//
// Create chart
//
protected 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.Image = c.makeWebImage(Chart.SVG);

    // Include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'");
}

//
// Page Load event handler
//
protected void Page_Load(object sender, EventArgs e)
{
    createChart(WebChartViewer0, 0);
    createChart(WebChartViewer1, 1);
    createChart(WebChartViewer2, 2);
    createChart(WebChartViewer3, 3);
    createChart(WebChartViewer4, 4);
    createChart(WebChartViewer5, 5);
    createChart(WebChartViewer6, 6);
}

</script>

<html>
<head>
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
    <chart:WebChartViewer id="WebChartViewer0" runat="server" />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
    <chart:WebChartViewer id="WebChartViewer6" runat="server" />
</body>
</html>

[ASP.NET Web Forms - VB Version] NetWebCharts\VBNetASP\donutshading.aspx
(Click here on how to convert this code to code-behind style.)

<%@ Page Language="VB" Debug="true" %>
<%@ Import Namespace="ChartDirector" %>
<%@ Register TagPrefix="chart" Namespace="ChartDirector" Assembly="netchartdir" %>

<!DOCTYPE html>

<script runat="server">

'
' Create chart
'
Protected Sub createChart(viewer As WebChartViewer, chartIndex As Integer)

    ' The data for the pie chart
    Dim data() As Double = {18, 30, 20, 15}

    ' The labels for the pie chart
    Dim labels() As String = {"Labor", "Licenses", "Facilities", "Production"}

    ' The colors to use for the sectors
    Dim colors() As Integer = {&H66aaee, &Heebb22, &Hbbbbbb, &H8844ff}

    ' 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.
    Dim c As PieChart = New PieChart(200, 220)
    c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), &H0000cc, &H000044))
    c.setRoundedFrame(&Hffffff, 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 Then
        c.addTitle("Default Shading", "bold", 12, &Hffffff)
    ElseIf chartIndex = 1 Then
        c.addTitle("Local Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.LocalGradientShading)
    ElseIf chartIndex = 2 Then
        c.addTitle("Global Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.GlobalGradientShading)
    ElseIf chartIndex = 3 Then
        c.addTitle("Concave Shading", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.ConcaveShading)
    ElseIf chartIndex = 4 Then
        c.addTitle("Rounded Edge", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.RoundedEdgeShading)
    ElseIf chartIndex = 5 Then
        c.addTitle("Radial Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.RadialShading)
    ElseIf chartIndex = 6 Then
        c.addTitle("Ring Shading", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.RingShading)
    End If

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

    ' Output the chart
    viewer.Image = c.makeWebImage(Chart.SVG)

    ' Include tool tip for the chart
    viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'")

End Sub

'
' Page Load event handler
'
Protected Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)

    createChart(WebChartViewer0, 0)
    createChart(WebChartViewer1, 1)
    createChart(WebChartViewer2, 2)
    createChart(WebChartViewer3, 3)
    createChart(WebChartViewer4, 4)
    createChart(WebChartViewer5, 5)
    createChart(WebChartViewer6, 6)

End Sub

</script>

<html>
<head>
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body>
    <chart:WebChartViewer id="WebChartViewer0" runat="server" />
    <chart:WebChartViewer id="WebChartViewer1" runat="server" />
    <chart:WebChartViewer id="WebChartViewer2" runat="server" />
    <chart:WebChartViewer id="WebChartViewer3" runat="server" />
    <chart:WebChartViewer id="WebChartViewer4" runat="server" />
    <chart:WebChartViewer id="WebChartViewer5" runat="server" />
    <chart:WebChartViewer id="WebChartViewer6" runat="server" />
</body>
</html>

[ASP.NET MVC - Controller] NetMvcCharts\Controllers\DonutshadingController.cs

using System;
using System.Web.Mvc;
using ChartDirector;

namespace NetMvcCharts.Controllers
{
    public class DonutshadingController : Controller
    {
        //
        // Default Action
        //
        public ActionResult Index()
        {
            ViewBag.Title = "2D Donut Shading";

            // This example contains 7 charts.
            ViewBag.Viewer = new RazorChartViewer[7];
            for (int i = 0; i < ViewBag.Viewer.Length; ++i)
                createChart(ViewBag.Viewer[i] = new RazorChartViewer(HttpContext, "chart" + i), i);

            return View("~/Views/Shared/ChartView.cshtml");
        }

        //
        // Create chart
        //
        private void createChart(RazorChartViewer 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.Image = c.makeWebImage(Chart.SVG);

            // Include tool tip for the chart
            viewer.ImageMap = c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'");
        }
    }
}

[ASP.NET MVC - View] NetMvcCharts\Views\Shared\ChartView.cshtml

@{ Layout = null; }

<!DOCTYPE html>

<html>
<head>
    <meta name="viewport" content="width=device-width" />
    <title>@ViewBag.Title</title>
    <style>
        @ViewBag.Style
    </style>
    @Scripts.Render("~/Scripts/cdjcv.js")
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        @ViewBag.Title
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div>
        @{
            if (ViewBag.Viewer is Array)
            {
                // Display multiple charts
                for (int i = 0; i < ViewBag.Viewer.Length; ++i)
                {
                    @:@Html.Raw(ViewBag.Viewer[i].RenderHTML())
                }
            }
            else
            {
                // Display one chart only
                @:@Html.Raw(ViewBag.Viewer.RenderHTML())
            }
        }
    </div>
</body>
</html>