53 lines
1.8 KiB
PHP
53 lines
1.8 KiB
PHP
<?php
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require_once("../lib/phpchartdir.php");
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# The value to display on the meter
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$value = 45.17;
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# Create an AugularMeter object of size 200 x 200 pixels, with silver background,
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# black border, 2 pixel 3D depressed border and rounded corners.
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$m = new AngularMeter(200, 200, silverColor(), 0x000000, -2);
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$m->setRoundedFrame();
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# Set the meter center at (100, 100), with radius 85 pixels, and span from -135 to
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# +135 degress
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$m->setMeter(100, 100, 85, -135, 135);
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# Meter scale is 0 - 100, with major tick every 10 units, minor tick every 5 units,
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# and micro tick every 1 units
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$m->setScale(0, 100, 10, 5, 1);
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# Disable default angular arc by setting its width to 0. Set 2 pixels line width for
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# major tick, and 1 pixel line width for minor ticks.
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$m->setLineWidth(0, 2, 1);
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# Set the circular meter surface as metallic blue (9999DD)
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$m->addRing(0, 90, metalColor(0x9999dd));
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# Add a blue (6666FF) ring between radii 88 - 90 as decoration
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$m->addRing(88, 90, 0x6666ff);
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# Set 0 - 60 as green (99FF99) zone, 60 - 80 as yellow (FFFF00) zone, and 80 - 100 as
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# red (FF3333) zone
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$m->addZone(0, 60, 0x99ff99);
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$m->addZone(60, 80, 0xffff00);
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$m->addZone(80, 100, 0xff3333);
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# Add a text label centered at (100, 135) with 15 pts Arial Bold font
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$m->addText(100, 135, "CPU", "arialbd.ttf", 15, TextColor, Center);
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# Add a text box centered at (100, 165) showing the value formatted to 2 decimal
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# places, using white text on a black background, and with 1 pixel 3D depressed
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# border
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$textBoxObj = $m->addText(100, 165, $m->formatValue($value, "2"), "Arial", 8,
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0xffffff, Center);
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$textBoxObj->setBackground(0x000000, 0x000000, -1);
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# Add a semi-transparent blue (40333399) pointer at the specified value
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$m->addPointer($value, 0x40333399);
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# output the chart
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header("Content-type: image/png");
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print($m->makeChart2(PNG));
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?>
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