note 58520 deleted from ref.image by nlopess
| From: | nlopess@php.net | Date: | Mon, 07 Nov 2005 18:55:18 +0000 |
| Subject: | note 58520 deleted from ref.image by nlopess | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-98206@lists.php.net to get a copy of this message | ||
Note Submitter: skumar2k15 [at] gmail [dot] com
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Generate a bar chart on-the-fly through php image functions.
<br>
code for barchart.php
<?
// Add values to the graph
$graphValues=array(0,80,23,11,190,245,50,80,111,240,55);
// Define .PNG image
header("Content-type: image/png");
$imgWidth=250;
$imgHeight=250;
// Create image and define colors
$image=imagecreate($imgWidth, $imgHeight);
$colorWhite=imagecolorallocate($image, 255, 255, 255);
$colorGrey=imagecolorallocate($image, 192, 192, 192);
$colorDarkBlue=imagecolorallocate($image, 104, 157, 228);
$colorLightBlue=imagecolorallocate($image, 184, 212, 250);
// Create border around image
imageline($image, 0, 0, 0, 250, $colorGrey);
imageline($image, 0, 0, 250, 0, $colorGrey);
imageline($image, 249, 0, 249, 249, $colorGrey);
imageline($image, 0, 249, 249, 249, $colorGrey);
// Create grid
for ($i=1; $i<11; $i++){
imageline($image, $i*25, 0, $i*25, 255, $colorGrey);
imageline($image, 0, $i*25, 255, $i*25, $colorGrey);
}
// Create bar charts
for ($i=0; $i<10; $i++){
imagefilledrectangle($image, $i*25, (250-$graphValues[$i]),
($i+1)*25, 250, $colorDarkBlue);
imagefilledrectangle($image, ($i*25)+1, (250-$graphValues[$i])+1,
(($i+1)*25)-5, 248, $colorLightBlue);
}
// Output graph and clear image from memory
imagepng($image);
imagedestroy($image);
?>
Thanks and regards,
skumar k.