






This example demonstrates various sector shading effects applicable to 3D pie charts.
ChartDirector 5.1 (Java Edition)
3D Pie Shading
Source Code Listing
<%@page import="ChartDirector.*" %> <%@page import="javax.servlet.http.*" %> <%! // A simple structure to represent a chart image with an image map private static class ImageWithHotSpot { String imageURL; String imageMap; } // Function to create the demo charts ImageWithHotSpot createChart(HttpServletRequest request, int index) { // 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 200 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, 200); c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x0000cc, 0x000044) ); c.setRoundedFrame(0xffffff, 16); // Set the center of the pie at (100, 100) and the radius to 80 pixels c.setPieSize(100, 100, 80); // Set the pie data c.setData(data, labels); // Set the sector colors c.setColors2(Chart.DataColor, colors); // Draw the pie in 3D with a pie thickness of 20 pixels c.set3D(20); // Demonstrates various shading modes if (index == 0) { c.addTitle("Default Shading", "bold", 12, 0xffffff); } else if (index == 1) { c.addTitle("Flat Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.FlatShading); } else if (index == 2) { c.addTitle("Local Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.LocalGradientShading); } else if (index == 3) { c.addTitle("Global Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.GlobalGradientShading); } else if (index == 4) { c.addTitle("Concave Shading", "bold", 12, 0xffffff); c.setSectorStyle(Chart.ConcaveShading); } else if (index == 5) { c.addTitle("Rounded Edge", "bold", 12, 0xffffff); c.setSectorStyle(Chart.RoundedEdgeShading); } else if (index == 6) { c.addTitle("Radial Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.RadialShading); } // Disable the sector labels by setting the color to Transparent c.setLabelStyle("", 8, Chart.Transparent); // Output the chart ImageWithHotSpot ret = new ImageWithHotSpot(); ret.imageURL = c.makeSession(request, "chart" + index); // Include tool tip for the chart ret.imageMap = c.getHTMLImageMap("", "", "title='{label}: US${value}K ({percent}%)'"); return ret; } %> <% ImageWithHotSpot chart0 = createChart(request, 0); ImageWithHotSpot chart1 = createChart(request, 1); ImageWithHotSpot chart2 = createChart(request, 2); ImageWithHotSpot chart3 = createChart(request, 3); ImageWithHotSpot chart4 = createChart(request, 4); ImageWithHotSpot chart5 = createChart(request, 5); ImageWithHotSpot chart6 = createChart(request, 6); %> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> 3D Pie Shading </div> <hr color="#000080"> <div style="font-size:10pt; font-family:verdana; margin-bottom:1.5em"> <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a> </div> <img src='<%=response.encodeURL("getchart.jsp?"+chart0.imageURL)%>' usemap="#map0" border="0"> <map name="map0"><%=chart0.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart1.imageURL)%>' usemap="#map1" border="0"> <map name="map1"><%=chart1.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart2.imageURL)%>' usemap="#map2" border="0"> <map name="map2"><%=chart2.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart3.imageURL)%>' usemap="#map3" border="0"> <map name="map3"><%=chart3.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart4.imageURL)%>' usemap="#map4" border="0"> <map name="map4"><%=chart4.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart5.imageURL)%>' usemap="#map5" border="0"> <map name="map5"><%=chart5.imageMap%></map> <img src='<%=response.encodeURL("getchart.jsp?"+chart6.imageURL)%>' usemap="#map6" border="0"> <map name="map6"><%=chart6.imageMap%></map> </body> </html> |
import java.awt.*; import java.awt.event.*; import javax.swing.*; import ChartDirector.*; public class threedpieshading implements DemoModule { //Name of demo program public String toString() { return "3D Pie Shading"; } //Number of charts produced in this demo public int getNoOfCharts() { return 7; } //Main code for creating charts public void createChart(ChartViewer viewer, int index) { // 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 200 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, 200); c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x0000cc, 0x000044)); c.setRoundedFrame(0xffffff, 16); // Set the center of the pie at (100, 100) and the radius to 80 pixels c.setPieSize(100, 100, 80); // Set the pie data c.setData(data, labels); // Set the sector colors c.setColors2(Chart.DataColor, colors); // Draw the pie in 3D with a pie thickness of 20 pixels c.set3D(20); // Demonstrates various shading modes if (index == 0) { c.addTitle("Default Shading", "bold", 12, 0xffffff); } else if (index == 1) { c.addTitle("Flat Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.FlatShading); } else if (index == 2) { c.addTitle("Local Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.LocalGradientShading); } else if (index == 3) { c.addTitle("Global Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.GlobalGradientShading); } else if (index == 4) { c.addTitle("Concave Shading", "bold", 12, 0xffffff); c.setSectorStyle(Chart.ConcaveShading); } else if (index == 5) { c.addTitle("Rounded Edge", "bold", 12, 0xffffff); c.setSectorStyle(Chart.RoundedEdgeShading); } else if (index == 6) { c.addTitle("Radial Gradient", "bold", 12, 0xffffff); c.setSectorStyle(Chart.RadialShading); } // Disable the sector labels by setting the color to Transparent c.setLabelStyle("", 8, Chart.Transparent); // Output the chart viewer.setChart(c); //include tool tip for the chart viewer.setImageMap(c.getHTMLImageMap("clickable", "", "title='{label}: US${value}K ({percent}%)'")); } //Allow this module to run as standalone program for easy testing public static void main(String[] args) { //Instantiate an instance of this demo module DemoModule demo = new threedpieshading(); //Create and set up the main window JFrame frame = new JFrame(demo.toString()); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) {System.exit(0);} }); frame.getContentPane().setBackground(Color.white); frame.getContentPane().setLayout(new FlowLayout(FlowLayout.LEFT)); frame.setSize(800, 450); // Create the charts and put them in the content pane for (int i = 0; i < demo.getNoOfCharts(); ++i) { ChartViewer viewer = new ChartViewer(); demo.createChart(viewer, i); frame.getContentPane().add(viewer); } // Display the window frame.setVisible(true); } } |