ChartDirector 7.0 (PHP Edition)
Black Vertical Linear Meters
Source Code Listing
<?php
require_once("../lib/phpchartdir.php");
function createChart($viewer, $chartIndex)
{
# The value to display on the meter
$value = 74.25;
# Create a LinearMeter object of size 70 x 260 pixels with black background and rounded corners
$m = new LinearMeter(70, 260, 0x000000);
$m->setRoundedFrame(Transparent);
# Set the default text and line colors to white (0xffffff)
$m->setColor(TextColor, 0xffffff);
$m->setColor(LineColor, 0xffffff);
# Set the scale region top-left corner at (28, 30), with size of 20 x 196 pixels. The scale
# labels are located on the left (default - implies vertical meter)
$m->setMeter(28, 30, 20, 196);
# Set meter scale from 0 - 100, with a tick every 10 units
$m->setScale(0, 100, 10);
# The tick line width to 1 pixel
$m->setLineWidth(0, 1);
# Demostrate different types of color scales and putting them at different positions
$smoothColorScale = array(0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000);
$stepColorScale = array(0, 0x00cc00, 50, 0xeecc00, 80, 0xdd0000, 100);
$highLowColorScale = array(0, 0x0000ff, 70, Transparent, 100, 0xff0000);
if ($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 x = 28 (left of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 28, 0, 28, 20);
} else if ($chartIndex == 4) {
# Add the smooth color scale starting at x = 38 (center of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 38, 0, 28, 20);
} else {
# Add the smooth color scale starting at x = 48 (right of scale) with zero width and ending
# at x = 28 with 20 pixels width
$m->addColorScale($smoothColorScale, 48, 0, 28, 20);
}
# Add a blue (0x0000cc) pointer with white (0xffffff) border at the specified value
$m->addPointer($value, 0x0000cc, 0xffffff);
# Add a label at the top-center using 8pt Arial Bold font
$m->addText($m->getWidth() / 2, 5, "Temp C", "Arial Bold", 8, TextColor, Top);
# Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold
# font on a black (0x000000) background with depressed grey (0x444444) rounded border.
$t = $m->addText($m->getWidth() / 2, $m->getHeight() - 7, $m->formatValue($value, "2"),
"Arial Bold", 8, 0xffffff, Bottom);
$t->setBackground(0x000000, 0x444444, -1);
$t->setRoundedCorners(3);
# Output the chart
$viewer->setChart($m, SVG);
}
# This example includes 6 charts
$viewers = array();
for ($i = 0; $i < 6; ++$i) {
$viewers[$i] = new WebChartViewer("chart$i");
createChart($viewers[$i], $i);
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Black Vertical Linear Meters</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Black Vertical Linear Meters
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.php?file=<?=basename(__FILE__)?>">View Chart Source Code</a>
</div>
<!-- ****** Here are the chart images ****** -->
<?php
for ($i = 0; $i < count($viewers); ++$i) {
echo $viewers[$i]->renderHTML(), " ";
}
?>
</body>
</html>