Black Horizontal Bar Meters

[File: phpdemo/blackhbarmeter.php]
<?php
require_once("../lib/phpchartdir.php");

function createChart($viewer, $chartIndex)
{
    # The value to display on the meter
    $value = 75.35;

    # Create a LinearMeter object of size 260 x 80 pixels with black background and rounded corners
    $m = new LinearMeter(260, 80, 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 (15, 24), with size of 228 x 20 pixels. The scale
    # labels are located on the top (implies horizontal meter)
    $m->setMeter(15, 24, 228, 20, Top);

    # Set meter scale from 0 - 100, with a tick every 10 units
    $m->setScale(0, 100, 10);

    # Demostrate different types of color scales
    $smoothColorScale = array(0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000);
    $stepColorScale = array(0, 0x00dd00, 50, 0xffff00, 80, 0xff3333, 100);
    $highLowColorScale = array(0, 0x0000ff, 40, Transparent, 60, Transparent, 100, 0xff0000);
    $highColorScale = array(70, Transparent, 100, 0xff0000);

    if ($chartIndex == 0) {
        # Add a blue (0x0088ff) bar from 0 to value with glass effect and 4 pixel rounded corners
        $m->addBar(0, $value, 0x0088ff, glassEffect(NormalGlare, Top), 4);
        # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        $m->addColorScale($smoothColorScale, 48, 5);
    } else if ($chartIndex == 1) {
        # Add a purple (0xaa66ff) bar from 0 to value
        $m->addBar(0, $value, 0xaa66ff);
        # Add a 4 pixel thick purple (0x880088) frame
        $m->setThickFrame(4, 0x880088);
        # Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        $m->addColorScale($highLowColorScale, 48, 5);
    } else if ($chartIndex == 2) {
         # Add a green (0x00ee00) bar from 0 to value with right side soft lighting effect and 4
         # pixel rounded corners
        $m->addBar(0, $value, 0x00ee00, softLighting(Right), 4);
        # Add a 5-pixel thick step color scale at y = 48 (below the meter scale)
        $m->addColorScale($stepColorScale, 48, 5);
    } else if ($chartIndex == 3) {
          # Add an orange (0xff8800) bar from 0 to value with cylinder lighting effect
        $m->addBar(0, $value, 0xff8800, cylinderEffect());
        # Add a 4 pixel thick brown (0xbb5500) frame
        $m->setThickFrame(4, 0xbb5500);
        # Add a 5-pixel thick high only color scale at y = 48 (below the meter scale)
        $m->addColorScale($highColorScale, 48, 5);
    } else if ($chartIndex == 4) {
         # Add a magneta (0xdd00dd) bar from 0 to value with top side soft lighting effect and 4
         # pixel rounded corners
        $m->addBar(0, $value, 0xdd00dd, softLighting(Top), 4);
        # Add a 5-pixel thick smooth color scale at y = 48 (below the meter scale)
        $m->addColorScale($smoothColorScale, 48, 5);
    } else {
         # Add a red (0xff0000) bar from 0 to value with bar lighting effect
        $m->addBar(0, $value, 0xff0000, barLighting());
        # Add a 4 pixel thick red (0xaa0000) frame
        $m->setThickFrame(4, 0xaa0000);
           # Add a 5-pixel thick high/low color scale at y = 48 (below the meter scale)
        $m->addColorScale($highLowColorScale, 48, 5);
    }

    # Add a label left aligned to (12, 65) using 8pt Arial Bold font
    $m->addText(12, 65, "Temperature C", "Arial Bold", 8, TextColor, Left);

    # Add a text box right aligned to (243, 65). Display the value using white (0xffffff) 8pt Arial
    # Bold font on a black (0x000000) background with depressed dark grey (0x333333) rounded border.
    $t = $m->addText(243, 65, $m->formatValue($value, "2"), "Arial", 8, 0xffffff, Right);
    $t->setBackground(0x000000, 0x333333, -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 Horizontal Bar 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 Horizontal Bar 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>