<%@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 = 74.25;
// The background and border colors of the meters
int[] bgColor = {0xbbddff, 0xccffcc, 0xffccff, 0xffffaa, 0xffdddd, 0xeeeeee};
int[] borderColor = {0x000088, 0x006600, 0x6600aa, 0xee6600, 0x880000, 0x666666};
// Create a LinearMeter object of size 250 x 75 pixels with a 3-pixel thick rounded frame
LinearMeter m = new LinearMeter(250, 75, bgColor[chartIndex], borderColor[chartIndex]);
m.setRoundedFrame(Chart.Transparent);
m.setThickFrame(3);
// Set the scale region top-left corner at (14, 23), with size of 218 x 20 pixels. The scale
// labels are located on the top (implies horizontal meter)
m.setMeter(14, 23, 218, 20, Chart.Top);
// Set meter scale from 0 - 100, with a tick every 10 units
m.setScale(0, 100, 10);
// Demostrate different types of color scales and putting them at different positions
double[] smoothColorScale = {0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100,
0xff0000};
double[] stepColorScale = {0, 0x33ff33, 50, 0xffff33, 80, 0xff3333, 100};
double[] highLowColorScale = {0, 0x6666ff, 70, Chart.Transparent, 100, 0xff0000};
if (chartIndex == 0) {
// Add the smooth color scale at the default position
m.addColorScale(smoothColorScale);
} else if (chartIndex == 1) {
// Add the step color scale at the default position
m.addColorScale(stepColorScale);
} else if (chartIndex == 2) {
// Add the high low scale at the default position
m.addColorScale(highLowColorScale);
} else if (chartIndex == 3) {
// Add the smooth color scale starting at y = 23 (top of scale) with zero width and ending
// at y = 23 with 20 pixels width
m.addColorScale(smoothColorScale, 23, 0, 23, 20);
} else if (chartIndex == 4) {
// Add the smooth color scale starting at y = 33 (center of scale) with zero width and
// ending at y = 23 with 20 pixels width
m.addColorScale(smoothColorScale, 33, 0, 23, 20);
} else {
// Add the smooth color scale starting at y = 43 (bottom of scale) with zero width and
// ending at y = 23 with 20 pixels width
m.addColorScale(smoothColorScale, 43, 0, 23, 20);
}
// Add a blue (0x0000cc) pointer at the specified value
m.addPointer(value, 0x0000cc);
// Add a label left aligned to (10, 61) using 8pt Arial Bold font
m.addText(10, 61, "Temperature C", "Arial Bold", 8, Chart.TextColor, Chart.Left);
// Add a text box right aligned to (235, 61). Display the value using white (0xffffff) 8pt Arial
// Bold font on a black (0x000000) background with depressed rounded border.
TextBox t = m.addText(235, 61, m.formatValue(value, "2"), "Arial Bold", 8, 0xffffff, Chart.Right
);
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 Linear 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> |