<%@page import="ChartDirector.*" %>
<%@page import="javax.servlet.http.*" %>
<%!
// Function to create the demo charts
String createChart(HttpServletRequest request, int chartIndex)
{
// The value to display on the meter
double value = 75.35;
// The background, border and bar colors of the meters
int[] bgColor = {0xbbddff, 0xccffcc, 0xffddff, 0xffffaa, 0xffdddd, 0xeeeeee};
int[] borderColor = {0x000088, 0x006600, 0x880088, 0xee6600, 0x880000, 0x666666};
int[] barColor = {0x0088ff, 0x00cc00, 0x8833dd, 0xff8800, 0xee3333, 0x888888};
// Create a LinearMeter object of size 260 x 80 pixels with a 3-pixel thick rounded frame
LinearMeter m = new LinearMeter(260, 80, bgColor[chartIndex], borderColor[chartIndex]);
m.setRoundedFrame(Chart.Transparent);
m.setThickFrame(3);
// Set the scale region top-left corner at (18, 24), with size of 222 x 20 pixels. The scale
// labels are located on the top (implies horizontal meter)
m.setMeter(18, 24, 222, 20, Chart.Top);
// Set meter scale from 0 - 100, with a tick every 10 units
m.setScale(0, 100, 10);
if (chartIndex % 4 == 0) {
// Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
double[] smoothColorScale = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
0xff0000};
m.addColorScale(smoothColorScale, 48, 5);
} else if (chartIndex % 4 == 1) {
// Add a 5-pixel thick step color scale at y = 48 (below the meter scale)
double[] stepColorScale = {0, 0x00cc00, 50, 0xffdd00, 80, 0xff3333, 100};
m.addColorScale(stepColorScale, 48, 5);
} else if (chartIndex % 4 == 2) {
// Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
double[] highLowColorScale = {0, 0x0000ff, 40, Chart.Transparent, 60, Chart.Transparent,
100, 0xff0000};
m.addColorScale(highLowColorScale, 48, 5);
} else {
// Add a 5-pixel thick high only color scale at y = 48 (below the meter scale)
double[] highColorScale = {70, Chart.Transparent, 100, 0xff0000};
m.addColorScale(highColorScale, 48, 0, 48, 8);
}
// Add a bar from 0 to value with glass effect and 4 pixel rounded corners
m.addBar(0, value, barColor[chartIndex], Chart.glassEffect(Chart.NormalGlare, Chart.Top), 4);
// Add a label right aligned to (243, 65) using 8pt Arial Bold font
m.addText(243, 65, "Temperature C", "Arial Bold", 8, Chart.TextColor, Chart.Right);
// Add a text box left aligned to (18, 65). Display the value using white (0xffffff) 8pt Arial
// Bold font on a black (0x000000) background with depressed rounded border.
TextBox t = m.addText(18, 65, m.formatValue(value, "2"), "Arial", 8, 0xffffff, Chart.Left);
t.setBackground(0x000000, 0x000000, -1);
t.setRoundedCorners(3);
// Output the chart
return m.makeSession(request, "chart" + chartIndex);
}
%>
<%
String chart0URL = createChart(request, 0);
String chart1URL = createChart(request, 1);
String chart2URL = createChart(request, 2);
String chart3URL = createChart(request, 3);
String chart4URL = createChart(request, 4);
String chart5URL = createChart(request, 5);
%>
<html>
<body style="margin:5px 0px 0px 5px">
<div style="font-size:18pt; font-family:verdana; font-weight:bold">
Color Horizontal Bar Meters
</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?"+chart0URL)%>'>
<img src='<%=response.encodeURL("getchart.jsp?"+chart1URL)%>'>
<img src='<%=response.encodeURL("getchart.jsp?"+chart2URL)%>'>
<img src='<%=response.encodeURL("getchart.jsp?"+chart3URL)%>'>
<img src='<%=response.encodeURL("getchart.jsp?"+chart4URL)%>'>
<img src='<%=response.encodeURL("getchart.jsp?"+chart5URL)%>'>
</body>
</html> |