import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import ChartDirector.*;
public class gradientbar implements DemoModule
{
//Name of demo program
public String toString() { return "Gradient Bar Shading"; }
//Number of charts produced in this demo
public int getNoOfCharts() { return 1; }
//Main code for creating charts
public void createChart(ChartViewer viewer, int chartIndex)
{
// The data for the bar chart
double[] data = {1350, 1600, 1950, 2300, 2700};
// The labels for the bar chart
String[] labels = {"2001", "2002", "2003", "2004", "2005"};
// The colors for the bars
int[] colors = {0xcc0000, 0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};
// Create a PieChart object of size 600 x 380 pixels.
XYChart c = new XYChart(600, 380);
// Use the white on black palette, which means the default text and line colors are white
c.setColors(Chart.whiteOnBlackPalette);
// Use a vertical gradient color from blue (0000cc) to deep blue (000044) as background. Use
// rounded corners of 30 pixels radius for the top-left and bottom-right corners.
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0x0000cc, 0x000044));
c.setRoundedFrame(0xffffff, 30, 0, 30, 0);
// Add a title using 18pt Times New Roman Bold Italic font. Add 6 pixels top and bottom
// margins to the title.
TextBox title = c.addTitle("Annual Revenue for Star Tech", "Times New Roman Bold Italic", 18
);
title.setMargin2(0, 0, 6, 6);
// Add a separator line in white color just under the title
c.addLine(20, title.getHeight(), c.getWidth() - 21, title.getHeight(), 0xffffff);
// Tentatively set the plotarea at (70, 80) and of 480 x 240 pixels in size. Use transparent
// border and white grid lines
c.setPlotArea(70, 80, 480, 240, -1, -1, Chart.Transparent, 0xffffff);
// Swap the axis so that the bars are drawn horizontally
c.swapXY();
// Add a multi-color bar chart layer using the supplied data. Use bar gradient lighting with
// the light intensity from 0.75 to 2.0
c.addBarLayer3(data, colors).setBorderColor(Chart.Transparent, Chart.barLighting(0.75, 2.0))
;
// Set the labels on the x axis.
c.xAxis().setLabels(labels);
// Show the same scale on the left and right y-axes
c.syncYAxis();
// Set the bottom y-axis title using 10pt Arial Bold font
c.yAxis().setTitle("USD (millions)", "Arial Bold", 10);
// Set y-axes to transparent
c.yAxis().setColors(Chart.Transparent);
c.yAxis2().setColors(Chart.Transparent);
// Disable ticks on the x-axis by setting the tick color to transparent
c.xAxis().setTickColor(Chart.Transparent);
// Set the label styles of all axes to 8pt Arial Bold font
c.xAxis().setLabelStyle("Arial Bold", 8);
c.yAxis().setLabelStyle("Arial Bold", 8);
c.yAxis2().setLabelStyle("Arial Bold", 8);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 30 pixels
// from the left edge, 25 pixels below the title, 50 pixels from the right edge, and 25
// pixels from the bottom edge.
c.packPlotArea(30, title.getHeight() + 25, c.getWidth() - 50, c.getHeight() - 25);
// Output the chart
viewer.setChart(c);
//include tool tip for the chart
viewer.setImageMap(c.getHTMLImageMap("clickable", "", "title='Year {xLabel}: US$ {value}M'")
);
}
//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 gradientbar();
//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);
// Create the chart and put them in the content pane
ChartViewer viewer = new ChartViewer();
demo.createChart(viewer, 0);
frame.getContentPane().add(viewer);
// Display the window
frame.pack();
frame.setVisible(true);
}
} |