<%@page import="ChartDirector.*" %>
<%!
//Utility function to get the real path given a relative URL
String MapPath(HttpServletRequest request, String path)
{
String realPath = request.getRealPath(request.getServletPath());
if (realPath == null)
//some web servers have bugs and real path must be obtained as follows
realPath = request.getRealPath(request.getRequestURI());
return new java.io.File(realPath).getParent() + "/" + path;
}
%>
<%!
void createChart(HttpServletRequest request, String img)
{
//The data for the pie chart
double[] data = {25, 18, 15, 12, 8, 30, 35};
//The labels for the pie chart
String[] labels = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
//Colors of the sectors if custom coloring is used
int[] colors = {0xb8bc9c, 0xecf0b9, 0x999966, 0x333366, 0xc3c3e6, 0x594330,
0xa0bdc4};
//Create a PieChart object of size 280 x 240 pixels
PieChart c = new PieChart(280, 240);
//Set the center of the pie at (140, 120) and the radius to 80 pixels
c.setPieSize(140, 120, 80);
//Draw the pie in 3D
c.set3D();
//Set the coloring schema
if (img.equals("0")) {
c.addTitle("Custom Colors");
//set the LineColor to light gray
c.setColor(Chart.LineColor, 0xc0c0c0);
//use given color array as the data colors (sector colors)
c.setColors2(Chart.DataColor, colors);
} else if (img.equals("1")) {
c.addTitle("Dark Background Colors");
//use the standard white on black palette
c.setColors(Chart.whiteOnBlackPalette);
} else if (img.equals("2")) {
c.addTitle("Wallpaper As Background");
c.setWallpaper(MapPath(request, "bg.png"));
} else {
c.addTitle("Transparent Colors");
c.setWallpaper(MapPath(request, "bg.png"));
//use semi-transparent colors to allow the background to be seen
c.setColors(Chart.transparentPalette);
}
//Set the pie data and the pie labels
c.setData(data, labels);
//Explode the 1st sector (index = 0)
c.setExplode(0);
//output the chart
request.getSession().setAttribute("chart" + img, c.makeChart2(Chart.PNG));
}
%>
<%
createChart(request, "0");
createChart(request, "1");
createChart(request, "2");
createChart(request, "3");
%>
<html>
<body topmargin=0 leftmargin=5 rightmargin=0 marginwidth=5 marginheight=0>
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Coloring and Wallpaper
</div>
<hr color="#000080">
<div style="font-size:10pt; font-family:verdana">
<a href="VIEWSOURCE.jsp?file=<%=request.getServletPath()%>">
View Chart Source Code
</a>
</div>
<br>
<img src="chart0.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart1.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart2.chart?no_cache=<%=Chart.getUniqueId()%>">
<img src="chart3.chart?no_cache=<%=Chart.getUniqueId()%>">
</body>
</html>