24 lines
638 B
PHP
24 lines
638 B
PHP
<?php
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if (isset ($_GET['max'])) $max = $_GET['max'];
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if (isset ($_GET['val'])) $val = $_GET['val'];
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if (isset ($_GET['col'])) $col = $_GET['col'];
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$width = 400;
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$height = 10;
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$lun = $val / $max * $width;
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$im = imagecreatetruecolor($width, $height);
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$white = imagecolorallocate($im, 255, 255, 255);
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imagecolortransparent($im, $white);
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$color['red'] = imagecolorallocate($im, 255, 0, 0);
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$color['blue'] = imagecolorallocate($im, 0, 0, 255);
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imagefilledrectangle($im, 0, 0, $width, $height, $white);
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imagefilledrectangle($im, 0, 0, $lun, $height, $color[$col]);
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header("Content-type: image/png");
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imagepng($im);
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imagedestroy($im);
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?>
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