2D Donut Shading

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

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

'
' Create chart
'
Protected Sub createChart(viewer As WebChartViewer, img As String)

    ' 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 img = "0" Then
        c.addTitle("Default Shading", "bold", 12, &Hffffff)
    ElseIf img = "1" Then
        c.addTitle("Local Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.LocalGradientShading)
    ElseIf img = "2" Then
        c.addTitle("Global Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.GlobalGradientShading)
    ElseIf img = "3" Then
        c.addTitle("Concave Shading", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.ConcaveShading)
    ElseIf img = "4" Then
        c.addTitle("Rounded Edge", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.RoundedEdgeShading)
    ElseIf img = "5" Then
        c.addTitle("Radial Gradient", "bold", 12, &Hffffff)
        c.setSectorStyle(Chart.RadialShading)
    ElseIf img = "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.PNG)

    ' 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>
<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 - C# Version] NetWebCharts\CSharpASP\donutshading.aspx
(Click here on how to convert this code to Visual Studio code-behind style.)

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

//
// Create chart
//
protected void createChart(WebChartViewer viewer, string img)
{
    // 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 (img == "0") {
        c.addTitle("Default Shading", "bold", 12, 0xffffff);
    } else if (img == "1") {
        c.addTitle("Local Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.LocalGradientShading);
    } else if (img == "2") {
        c.addTitle("Global Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.GlobalGradientShading);
    } else if (img == "3") {
        c.addTitle("Concave Shading", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.ConcaveShading);
    } else if (img == "4") {
        c.addTitle("Rounded Edge", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.RoundedEdgeShading);
    } else if (img == "5") {
        c.addTitle("Radial Gradient", "bold", 12, 0xffffff);
        c.setSectorStyle(Chart.RadialShading);
    } else if (img == "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.PNG);

    // 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>
<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>

[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, img As String) _
        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 img = "0" Then
            c.addTitle("Default Shading", "bold", 12, &Hffffff)
        ElseIf img = "1" Then
            c.addTitle("Local Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.LocalGradientShading)
        ElseIf img = "2" Then
            c.addTitle("Global Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.GlobalGradientShading)
        ElseIf img = "3" Then
            c.addTitle("Concave Shading", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.ConcaveShading)
        ElseIf img = "4" Then
            c.addTitle("Rounded Edge", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.RoundedEdgeShading)
        ElseIf img = "5" Then
            c.addTitle("Radial Gradient", "bold", 12, &Hffffff)
            c.setSectorStyle(Chart.RadialShading)
        ElseIf img = "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

[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, string img)
        {
            // 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 (img == "0") {
                c.addTitle("Default Shading", "bold", 12, 0xffffff);
            } else if (img == "1") {
                c.addTitle("Local Gradient", "bold", 12, 0xffffff);
                c.setSectorStyle(Chart.LocalGradientShading);
            } else if (img == "2") {
                c.addTitle("Global Gradient", "bold", 12, 0xffffff);
                c.setSectorStyle(Chart.GlobalGradientShading);
            } else if (img == "3") {
                c.addTitle("Concave Shading", "bold", 12, 0xffffff);
                c.setSectorStyle(Chart.ConcaveShading);
            } else if (img == "4") {
                c.addTitle("Rounded Edge", "bold", 12, 0xffffff);
                c.setSectorStyle(Chart.RoundedEdgeShading);
            } else if (img == "5") {
                c.addTitle("Radial Gradient", "bold", 12, 0xffffff);
                c.setSectorStyle(Chart.RadialShading);
            } else if (img == "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}%)'");
        }
    }
}